diff --git a/include/battle/btlcmd.h b/include/battle/btlcmd.h
index ef41fbab9f..72940b27e9 100644
--- a/include/battle/btlcmd.h
+++ b/include/battle/btlcmd.h
@@ -99,4 +99,14 @@ enum BattleScriptVars {
 #define BTLSCR_SWITCHED_MON_AFTER   22
 #define BTLSCR_MSG_TEMP             (0xFF)
 
+enum IfOp {
+    IFOP_EQU = 0,
+    IFOP_NEQ,
+    IFOP_LTE,
+    IFOP_GT,
+    IFOP_FLAG_SET,
+    IFOP_FLAG_NOT,
+    IFOP_AND,
+};
+
 #endif // POKEPLATINUM_BATTLE_BTLCMD_H
\ No newline at end of file
diff --git a/include/struct_defs/struct_021BF67C.h b/include/coresys.h
similarity index 80%
rename from include/struct_defs/struct_021BF67C.h
rename to include/coresys.h
index 32c6b7dcce..9d163e8dc1 100644
--- a/include/struct_defs/struct_021BF67C.h
+++ b/include/coresys.h
@@ -1,11 +1,11 @@
-#ifndef POKEPLATINUM_STRUCT_021BF67C_H
-#define POKEPLATINUM_STRUCT_021BF67C_H
+#ifndef POKEPLATINUM_CORESYS_H
+#define POKEPLATINUM_CORESYS_H
 
 #include "functypes/funcptr_02017798.h"
 #include "struct_decls/struct_0201CD88_decl.h"
 #include "overlay023/funcptr_ov23_022537D4.h"
 
-typedef struct {
+typedef struct CoreSys {
     UnkFuncPtr_02017798 unk_00;
     void * unk_04;
     UnkFuncPtr_02017798 unk_08;
@@ -24,14 +24,14 @@ typedef struct {
     int unk_3C;
     int unk_40;
     int unk_44;
-    int unk_48;
+    int padInput;
     int unk_4C;
     int unk_50;
     int unk_54;
     int unk_58;
     u16 unk_5C;
     u16 unk_5E;
-    u16 unk_60;
+    u16 touchInput;
     u16 unk_62;
     u8 unk_64;
     u8 unk_65;
@@ -41,6 +41,8 @@ typedef struct {
     u8 padding_69[3];
     BOOL unk_6C;
     u32 * unk_70;
-} UnkStruct_021BF67C;
+} CoreSys;
 
-#endif // POKEPLATINUM_STRUCT_021BF67C_H
+extern CoreSys coresys;
+
+#endif // POKEPLATINUM_CORESYS_H
diff --git a/include/data_021BF67C.h b/include/data_021BF67C.h
deleted file mode 100644
index 0f2118241b..0000000000
--- a/include/data_021BF67C.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef POKEPLATINUM_DATA_021BF67C_H
-#define POKEPLATINUM_DATA_021BF67C_H
-
-#include "struct_defs/struct_021BF67C.h"
-
-extern UnkStruct_021BF67C Unk_021BF67C;
-
-#endif // POKEPLATINUM_DATA_021BF67C_H
diff --git a/include/overlay016/ov16_0226485C.h b/include/overlay016/ov16_0226485C.h
index fe78628e9a..38654b203d 100644
--- a/include/overlay016/ov16_0226485C.h
+++ b/include/overlay016/ov16_0226485C.h
@@ -40,8 +40,8 @@ void BattleIO_FlickerBattler(BattleSystem * param0, int param1, u32 param2);
 void BattleIO_UpdateHPGauge(BattleSystem * param0, BattleContext * param1, int param2);
 void ov16_02265D14(BattleSystem * param0, BattleContext * param1, int param2, int param3);
 void BattleIO_PlayFaintingSequence(BattleSystem * param0, BattleContext * param1, int param2);
-void ov16_02265EAC(BattleSystem * param0, BattleContext * param1, int param2, int param3);
-void ov16_02265ECC(BattleSystem * param0, BattleContext * param1);
+void BattleIO_PlaySound(BattleSystem * param0, BattleContext * param1, int param2, int param3);
+void BattleIO_FadeOut(BattleSystem * param0, BattleContext * param1);
 void ov16_02265EE8(BattleSystem * param0, int param1, int param2);
 void ov16_02265FB8(BattleSystem * param0, int param1, int param2);
 void ov16_02265FD8(BattleSystem * param0, int param1, int param2);
diff --git a/include/unk_02022594.h b/include/unk_02022594.h
index f34f375647..b2cac5b915 100644
--- a/include/unk_02022594.h
+++ b/include/unk_02022594.h
@@ -10,7 +10,13 @@ int sub_020226DC(const UnkUnion_020225E0 * param0);
 BOOL sub_02022734(const UnkUnion_020225E0 * param0);
 BOOL sub_02022760(const UnkUnion_020225E0 * param0);
 BOOL sub_0202278C(void);
-BOOL sub_02022798(void);
+
+/**
+ * @brief Check if the touch screen is tapped.
+ * 
+ * @return TRUE if the touch screen is tapped, FALSE otherwise.
+ */
+BOOL TouchScreen_Tapped(void);
 BOOL sub_020227A4(u32 * param0, u32 * param1);
 BOOL sub_020227C0(u32 * param0, u32 * param1);
 int sub_020227DC(const UnkUnion_020225E0 * param0, u32 param1, u32 param2);
diff --git a/src/error_message_reset.c b/src/error_message_reset.c
index f259852eda..4e04e2f9ad 100644
--- a/src/error_message_reset.c
+++ b/src/error_message_reset.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -128,7 +128,7 @@ void ErrorMessageReset_PrintErrorAndReset (void)
     GXS_SetVisiblePlane(0);
 
     sub_02017DD4(4, 8);
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
 
     G2_BlendNone();
diff --git a/src/gx_layers.c b/src/gx_layers.c
index d7345546f0..3cd90e71c4 100644
--- a/src/gx_layers.c
+++ b/src/gx_layers.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <nnsys.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_defs/struct_02099F80.h"
 
@@ -98,7 +98,7 @@ void GXLayers_TurnBothDispOn (void)
 
 void GXLayers_SwapDisplay (void)
 {
-    if (Unk_021BF67C.unk_65 == 0) {
+    if (coresys.unk_65 == 0) {
         GX_SetDispSelect(GX_DISP_SELECT_MAIN_SUB);
     } else {
         GX_SetDispSelect(GX_DISP_SELECT_SUB_MAIN);
diff --git a/src/main.c b/src/main.c
index 7f560ad6d3..45af0e42c2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2,7 +2,7 @@
 #include <dwc.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "assert.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
@@ -108,8 +108,8 @@ void NitroMain (void)
         }
     }
 
-    Unk_021BF67C.unk_6C = 1;
-    Unk_021BF67C.unk_30 = 0;
+    coresys.unk_6C = 1;
+    coresys.unk_30 = 0;
 
     sub_02001028();
     sub_0200AB84();
@@ -122,8 +122,8 @@ void NitroMain (void)
         sub_0200106C();
         sub_02017B9C();
 
-        if ((Unk_021BF67C.unk_38 & (PAD_BUTTON_START | PAD_BUTTON_SELECT | PAD_BUTTON_L | PAD_BUTTON_R)) == (PAD_BUTTON_START | PAD_BUTTON_SELECT | PAD_BUTTON_L | PAD_BUTTON_R)) {
-            if (Unk_021BF67C.unk_68 == 0) {
+        if ((coresys.unk_38 & (PAD_BUTTON_START | PAD_BUTTON_SELECT | PAD_BUTTON_L | PAD_BUTTON_R)) == (PAD_BUTTON_START | PAD_BUTTON_SELECT | PAD_BUTTON_L | PAD_BUTTON_R)) {
+            if (coresys.unk_68 == 0) {
                 sub_02000F60(0);
             }
         }
@@ -131,34 +131,34 @@ void NitroMain (void)
         if (sub_020349EC()) {
             sub_02000F30();
             sub_02000E54();
-            sub_0201CDD4(Unk_021BF67C.unk_18);
-            sub_0201CDD4(Unk_021BF67C.unk_24);
+            sub_0201CDD4(coresys.unk_18);
+            sub_0201CDD4(coresys.unk_24);
 
-            if (!Unk_021BF67C.unk_30) {
+            if (!coresys.unk_30) {
                 OS_WaitIrq(1, OS_IE_V_BLANK);
-                Unk_021BF67C.unk_2C++;
+                coresys.unk_2C++;
             }
         }
 
         sub_020137C4();
         sub_02017458();
         sub_020241CC();
-        sub_0201CDD4(Unk_021BF67C.unk_24);
+        sub_0201CDD4(coresys.unk_24);
 
         OS_WaitIrq(1, OS_IE_V_BLANK);
 
-        Unk_021BF67C.unk_2C++;
-        Unk_021BF67C.unk_30 = 0;
+        coresys.unk_2C++;
+        coresys.unk_30 = 0;
 
         sub_0200ABF0();
         sub_0200F27C();
 
-        if (Unk_021BF67C.unk_00 != NULL) {
-            Unk_021BF67C.unk_00(Unk_021BF67C.unk_04);
+        if (coresys.unk_00 != NULL) {
+            coresys.unk_00(coresys.unk_04);
         }
 
         sub_02003BD8();
-        sub_0201CDD4(Unk_021BF67C.unk_20);
+        sub_0201CDD4(coresys.unk_20);
     }
 }
 
@@ -215,11 +215,11 @@ static void sub_02000EE4 (void)
 
     OS_WaitIrq(1, OS_IE_V_BLANK);
 
-    Unk_021BF67C.unk_2C++;
-    Unk_021BF67C.unk_30 = 0;
+    coresys.unk_2C++;
+    coresys.unk_30 = 0;
 
-    if (Unk_021BF67C.unk_00 != NULL) {
-        Unk_021BF67C.unk_00(Unk_021BF67C.unk_04);
+    if (coresys.unk_00 != NULL) {
+        coresys.unk_00(coresys.unk_04);
     }
 }
 
@@ -298,7 +298,7 @@ static void sub_02000F94 (int param0, int param1)
         sub_02017B9C();
 
         if (v0 >= 30) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 break;
             }
         }
@@ -321,7 +321,7 @@ void sub_02001028 (void)
 
     sub_0201384C(&v0, &v1);
 
-    v2 = v0.year + v0.month * 0x100 * v0.day * 0x10000 + v1.hour * 0x10000 + (v1.minute + v1.second) * 0x1000000 + Unk_021BF67C.unk_2C;
+    v2 = v0.year + v0.month * 0x100 * v0.day * 0x10000 + v1.hour * 0x10000 + (v1.minute + v1.second) * 0x1000000 + coresys.unk_2C;
 
     MTRNG_SetSeed(v2);
     LCRNG_SetSeed(v2);
@@ -333,7 +333,7 @@ void sub_0200106C (void)
     PMWakeUpTrigger v2;
 
     if (PAD_DetectFold()) {
-        if (Unk_021BF67C.unk_67 == 0) {
+        if (coresys.unk_67 == 0) {
             sub_0201E630();
 
             if (CTRDG_IsPulledOut() == TRUE) {
@@ -343,7 +343,7 @@ void sub_0200106C (void)
 GOTOLABEL:
             v2 = PM_TRIGGER_COVER_OPEN | PM_TRIGGER_CARD;
 
-            if (Unk_021BF67C.unk_66 && (Unk_02101D24 == FALSE)) {
+            if (coresys.unk_66 && (Unk_02101D24 == FALSE)) {
                 v2 |= PM_TRIGGER_CARTRIDGE;
             }
 
diff --git a/src/overlay005/ov5_021D0D80.c b/src/overlay005/ov5_021D0D80.c
index 36fd71c5bf..6c237a8c12 100644
--- a/src/overlay005/ov5_021D0D80.c
+++ b/src/overlay005/ov5_021D0D80.c
@@ -2,7 +2,7 @@
 #include <string.h>
 
 #include "inlines.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "data_02100844.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
@@ -539,7 +539,7 @@ static void ov5_021D134C (UnkStruct_0203CDB0 * param0, u8 param1)
         ov5_021D15F4(param0);
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_X) {
+    if (coresys.padInput & PAD_BUTTON_X) {
         (void)0;
     }
 }
diff --git a/src/overlay005/ov5_021DC018.c b/src/overlay005/ov5_021DC018.c
index ae6e4ce8a5..8540ebf9df 100644
--- a/src/overlay005/ov5_021DC018.c
+++ b/src/overlay005/ov5_021DC018.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02001AF4_decl.h"
@@ -560,7 +560,7 @@ static void ov5_021DC95C (UnkStruct_0201CD38 * param0, void * param1)
         sub_02005748(1500);
     }
 
-    if ((Unk_021BF67C.unk_4C & PAD_KEY_UP) || (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) || (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) || (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT)) {
+    if ((coresys.unk_4C & PAD_KEY_UP) || (coresys.unk_4C & PAD_KEY_DOWN) || (coresys.unk_4C & PAD_KEY_LEFT) || (coresys.unk_4C & PAD_KEY_RIGHT)) {
         ov5_021DCAF4(v2);
     }
 
diff --git a/src/overlay005/ov5_021DFB54.c b/src/overlay005/ov5_021DFB54.c
index e603ac26e3..61e9f59df4 100644
--- a/src/overlay005/ov5_021DFB54.c
+++ b/src/overlay005/ov5_021DFB54.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0201CD38_decl.h"
 #include "struct_decls/struct_020216E0_decl.h"
@@ -878,7 +878,7 @@ static BOOL ov5_021E0560 (UnkStruct_020508D4 * param0)
     case 2:
     {
         int v2 = sub_0205EA78(v0->unk_0C);
-        u32 v3, v4 = Unk_021BF67C.unk_48, v5 = Unk_021BF67C.unk_44;
+        u32 v3, v4 = coresys.padInput, v5 = coresys.unk_44;
         int v6 = sub_02061308(v0->unk_0C, v4, v5);
 
         if ((v6 == -1) || (v6 == v2)) {
diff --git a/src/overlay005/ov5_021F08CC.c b/src/overlay005/ov5_021F08CC.c
index 2ae8725998..7c52ebe629 100644
--- a/src/overlay005/ov5_021F08CC.c
+++ b/src/overlay005/ov5_021F08CC.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_0200B358_decl.h"
@@ -489,7 +489,7 @@ static void * ov5_021F0D1C (u32 param0)
 
 static int ov5_021F0D40 (void)
 {
-    if ((Unk_021BF67C.unk_48 & PAD_BUTTON_A)) {
+    if ((coresys.padInput & PAD_BUTTON_A)) {
         return 1;
     }
 
@@ -498,7 +498,7 @@ static int ov5_021F0D40 (void)
 
 static int ov5_021F0D54 (void)
 {
-    if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B))) {
+    if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B))) {
         return 1;
     }
 
diff --git a/src/overlay006/ov6_0223E140.c b/src/overlay006/ov6_0223E140.c
index e87b381a31..964d1f0c2b 100644
--- a/src/overlay006/ov6_0223E140.c
+++ b/src/overlay006/ov6_0223E140.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -2194,12 +2194,12 @@ static BOOL ov6_02240364 (UnkStruct_ov6_022401B8 * param0, int param1, int param
     BOOL v1[2] = {0, 0};
     UnkStruct_ov6_02240260 * v2 = &param0->unk_34;
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         v2->unk_00++;
         v2->unk_00 %= 32;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    if (coresys.padInput & PAD_KEY_DOWN) {
         if (v2->unk_00) {
             v2->unk_00--;
         } else {
@@ -2207,12 +2207,12 @@ static BOOL ov6_02240364 (UnkStruct_ov6_022401B8 * param0, int param1, int param
         }
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    if (coresys.padInput & PAD_KEY_RIGHT) {
         v2->unk_04++;
         v2->unk_04 %= 32;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    if (coresys.padInput & PAD_KEY_LEFT) {
         if (v2->unk_04) {
             v2->unk_04--;
         } else {
diff --git a/src/overlay006/ov6_022477B8.c b/src/overlay006/ov6_022477B8.c
index c3c6b1148a..16af9a4a44 100644
--- a/src/overlay006/ov6_022477B8.c
+++ b/src/overlay006/ov6_022477B8.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "overlay006/struct_ov6_02242634.h"
 
@@ -13,7 +13,7 @@ void ov6_022477B8 (const UnkStruct_ov6_02242634 * param0, const BOOL param1, int
         return;
     }
 
-    switch (Unk_021BF67C.unk_66) {
+    switch (coresys.unk_66) {
     case 1:
         (*param2) = param0->unk_88[0];
         (*param3) = param0->unk_88[1];
diff --git a/src/overlay006/ov6_02247A0C.c b/src/overlay006/ov6_02247A0C.c
index 6c5070cd62..52d9709ccd 100644
--- a/src/overlay006/ov6_02247A0C.c
+++ b/src/overlay006/ov6_02247A0C.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_0200B358_decl.h"
@@ -116,7 +116,7 @@ static BOOL ov6_02247A34 (UnkStruct_020508D4 * param0)
         v1->unk_04++;
         break;
     case 1:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov6_02247CC8(v1->unk_00);
             v1->unk_04++;
         }
diff --git a/src/overlay007/ov7_02249960.c b/src/overlay007/ov7_02249960.c
index b4e6893edd..eb75302ccb 100644
--- a/src/overlay007/ov7_02249960.c
+++ b/src/overlay007/ov7_02249960.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02001AF4_decl.h"
@@ -655,7 +655,7 @@ static void ov7_0224A34C (UnkStruct_0201CD38 * param0, void * param1)
 
     if (ov7_0224A244(param0, param1)) {
         (void)0;
-    } else if (( PAD_BUTTON_B )&Unk_021BF67C.unk_48) {
+    } else if (( PAD_BUTTON_B )&coresys.padInput) {
         ov7_02249960(3, 0);
         ov7_0224A530(ov7_0224A394);
     }
@@ -1119,7 +1119,7 @@ static void ov7_0224AB64 (UnkStruct_0201CD38 * param0, void * param1)
     UnkStruct_ov7_02249C2C * v0 = (UnkStruct_ov7_02249C2C *)param1;
 
     if (sub_0205DA04(Unk_ov7_0224F5A0->unk_94)) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov7_0224AFD8(param0, v0);
             ov7_0224A528();
             Unk_ov7_0224F5A0->unk_88 = 4;
@@ -1135,7 +1135,7 @@ static void ov7_0224ABA4 (UnkStruct_0201CD38 * param0, void * param1)
     ov7_0224A64C(v0);
 
     if (sub_0205DA04(Unk_ov7_0224F5A0->unk_94)) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov7_0224A5D0();
             ov7_0224A530(ov7_0224ABE0);
         }
@@ -1307,7 +1307,7 @@ static void ov7_0224AD68 (UnkStruct_0201CD38 * param0, void * param1)
 static void ov7_0224ADD8 (UnkStruct_0201CD38 * param0, void * param1)
 {
     if (sub_0205DA04(Unk_ov7_0224F5A0->unk_94)) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             Unk_ov7_0224F5A0->unk_88 = 1;
             sub_0200DA58(param0);
         }
@@ -1587,7 +1587,7 @@ static void ov7_0224B2A0 (UnkStruct_0201CD38 * param0, void * param1)
     UnkStruct_ov7_02249C2C * v0 = (UnkStruct_ov7_02249C2C *)param1;
 
     if (sub_0205DA04(Unk_ov7_0224F5A0->unk_94)) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_0200DA58(param0);
             ov7_0224A528();
             Unk_ov7_0224F5A0->unk_88 = 1;
@@ -1637,7 +1637,7 @@ static void ov7_0224B370 (UnkStruct_0201CD38 * param0, void * param1)
     UnkStruct_ov7_02249C2C * v0 = (UnkStruct_ov7_02249C2C *)param1;
 
     if (sub_0205DA04(Unk_ov7_0224F5A0->unk_94)) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov7_02249E0C(v0);
             sub_0200DA58(param0);
         }
diff --git a/src/overlay007/ov7_0224B4E8.c b/src/overlay007/ov7_0224B4E8.c
index 9669afee91..31c8055ca9 100644
--- a/src/overlay007/ov7_0224B4E8.c
+++ b/src/overlay007/ov7_0224B4E8.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "message.h"
@@ -513,7 +513,7 @@ static BOOL ov7_0224BC74 (UnkStruct_020508D4 * param0)
         break;
     case 6:
         if (sub_0205DA04(v1->unk_74)) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 v1->unk_7C = 0;
             }
         }
@@ -524,7 +524,7 @@ static BOOL ov7_0224BC74 (UnkStruct_020508D4 * param0)
         v1->unk_7C++;
         break;
     case 8:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov7_0224BBA0(v1);
             ov7_0224B4E8(v1, 106);
             ov7_0224B5A8(v1);
diff --git a/src/overlay007/ov7_0224BE9C.c b/src/overlay007/ov7_0224BE9C.c
index 84f06ae6f1..f27be54237 100644
--- a/src/overlay007/ov7_0224BE9C.c
+++ b/src/overlay007/ov7_0224BE9C.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02001AF4_decl.h"
@@ -350,7 +350,7 @@ BOOL ov7_0224BF2C (UnkStruct_ov7_0224BEFC * param0)
         break;
     case 11:
         if (ov7_0224C4B8(&param0->unk_1B8)) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 param0->unk_00 = param0->unk_04;
             }
         }
diff --git a/src/overlay007/ov7_0224CD28.c b/src/overlay007/ov7_0224CD28.c
index 1491cf504a..880c2ad36e 100644
--- a/src/overlay007/ov7_0224CD28.c
+++ b/src/overlay007/ov7_0224CD28.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -400,7 +400,7 @@ static u8 ov7_0224D250 (UnkStruct_0203CDB0 * param0, UnkStruct_ov7_0224D008 * pa
         return 0;
     }
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         void * v0;
 
         sub_0200E084(&param1->unk_08[1], 0);
@@ -971,7 +971,7 @@ static u8 ov7_0224DFB0 (UnkStruct_ov7_0224D008 * param0)
         return 6;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02021CAC(param0->unk_25C[0], 0);
         sub_02021CAC(param0->unk_25C[1], 0);
         sub_0200DC9C(&param0->unk_08[4], 1);
@@ -982,7 +982,7 @@ static u8 ov7_0224DFB0 (UnkStruct_ov7_0224D008 * param0)
         return ov7_0224E098(param0);
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_0200DC9C(&param0->unk_08[4], 1);
         sub_0200DC9C(&param0->unk_08[3], 1);
         sub_0200E084(&param0->unk_08[5], 0);
@@ -1224,7 +1224,7 @@ static u8 ov7_0224E6B8 (UnkStruct_ov7_0224D008 * param0)
         return 10;
     }
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         if (param0->unk_28C == 1) {
             sub_0206B3B4(param0->unk_288);
         }
@@ -1267,7 +1267,7 @@ static u8 ov7_0224E7C8 (UnkStruct_ov7_0224D008 * param0)
         return 11;
     }
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         sub_0200E084(&param0->unk_08[5], 0);
         ov7_0224EB38(param0, 0);
         sub_02021CAC(param0->unk_25C[0], param0->unk_26C[0]);
diff --git a/src/overlay008/ov8_02249960.c b/src/overlay008/ov8_02249960.c
index 14ce46ac03..adf684a0d0 100644
--- a/src/overlay008/ov8_02249960.c
+++ b/src/overlay008/ov8_02249960.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_0201CD38_decl.h"
@@ -2953,7 +2953,7 @@ static BOOL ov8_0224B3D4 (UnkStruct_020508D4 * param0)
 
         v2->unk_00++;
     case 12:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             int v9 = sub_0205EABC(v1->unk_3C);
             int v10 = sub_0205EAC8(v1->unk_3C);
 
diff --git a/src/overlay010/ov10_0221F800.c b/src/overlay010/ov10_0221F800.c
index 8635d48c1e..fb969f77f9 100644
--- a/src/overlay010/ov10_0221F800.c
+++ b/src/overlay010/ov10_0221F800.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "struct_decls/struct_02002F38_decl.h"
@@ -492,7 +492,7 @@ static void ov10_0221F930 (UnkStruct_ov10_0221FB28 * param0)
         break;
     case 2:
         if (param0->unk_BBC == 1) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 param0->unk_BB0 = 3;
             }
         }
diff --git a/src/overlay012/ov12_0221FC20.c b/src/overlay012/ov12_0221FC20.c
index cbfd0cf59c..bd4150cabc 100644
--- a/src/overlay012/ov12_0221FC20.c
+++ b/src/overlay012/ov12_0221FC20.c
@@ -2,7 +2,7 @@
 #include <string.h>
 
 #include "inlines.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02002F38_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -1047,9 +1047,9 @@ static void ov12_0222048C (UnkStruct_ov12_0221FCDC * param0)
 {
     param0->unk_89 = 1;
 
-    if (Unk_021BF67C.unk_44 & PAD_BUTTON_L) {
-        if (Unk_021BF67C.unk_44 & PAD_BUTTON_R) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_X) {
+    if (coresys.unk_44 & PAD_BUTTON_L) {
+        if (coresys.unk_44 & PAD_BUTTON_R) {
+            if (coresys.padInput & PAD_BUTTON_X) {
                 param0->unk_18 += 1;
                 param0->unk_89 = 0;
             }
diff --git a/src/overlay013/ov13_0221FC20.c b/src/overlay013/ov13_0221FC20.c
index 2fd2915345..e39339ae59 100644
--- a/src/overlay013/ov13_0221FC20.c
+++ b/src/overlay013/ov13_0221FC20.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -861,7 +861,7 @@ static u8 ov13_02220848 (UnkStruct_ov13_022213F0 * param0)
 
 static u8 ov13_02220864 (UnkStruct_ov13_022213F0 * param0)
 {
-    if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) || (sub_02022798() == 1)) {
+    if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) || (TouchScreen_Tapped() == 1)) {
         return param0->unk_2075;
     }
 
diff --git a/src/overlay013/ov13_022264F4.c b/src/overlay013/ov13_022264F4.c
index 2fe07d6d1d..dc9df3facb 100644
--- a/src/overlay013/ov13_022264F4.c
+++ b/src/overlay013/ov13_022264F4.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "message.h"
@@ -526,7 +526,7 @@ static u8 ov13_02226C7C (UnkStruct_ov13_02227244 * param0)
 
 static u8 ov13_02226C94 (UnkStruct_ov13_02227244 * param0)
 {
-    if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) || (sub_02022798() == 1)) {
+    if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) || (TouchScreen_Tapped() == 1)) {
         return param0->unk_114B;
     }
 
diff --git a/src/overlay013/ov13_02228A38.c b/src/overlay013/ov13_02228A38.c
index 860be3db92..e3989a74f5 100644
--- a/src/overlay013/ov13_02228A38.c
+++ b/src/overlay013/ov13_02228A38.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "overlay013/struct_ov13_02228A50_decl.h"
 #include "overlay016/struct_ov16_0226DC24_decl.h"
@@ -93,7 +93,7 @@ static u8 ov13_02228ACC (UnkStruct_ov13_02228A50 * param0)
         return 1;
     }
 
-    if (Unk_021BF67C.unk_48 & ((PAD_KEY_UP | PAD_KEY_DOWN | PAD_KEY_LEFT | PAD_KEY_RIGHT) | PAD_BUTTON_B | PAD_BUTTON_A)) {
+    if (coresys.padInput & ((PAD_KEY_UP | PAD_KEY_DOWN | PAD_KEY_LEFT | PAD_KEY_RIGHT) | PAD_BUTTON_B | PAD_BUTTON_A)) {
         param0->unk_08 = 1;
 
         ov16_0226DD7C(param0->unk_00, param0->unk_04[param0->unk_09].unk_00, param0->unk_04[param0->unk_09].unk_02, param0->unk_04[param0->unk_09].unk_01, param0->unk_04[param0->unk_09].unk_03);
@@ -141,16 +141,16 @@ u32 ov13_02228B64 (UnkStruct_ov13_02228A50 * param0)
         return 0xffffffff;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         v4 = sub_0201E028(param0->unk_04, NULL, NULL, NULL, NULL, param0->unk_09, 0);
         v5 = 0;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    } else if (coresys.padInput & PAD_KEY_DOWN) {
         v4 = sub_0201E028(param0->unk_04, NULL, NULL, NULL, NULL, param0->unk_09, 1);
         v5 = 1;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    } else if (coresys.padInput & PAD_KEY_LEFT) {
         v4 = sub_0201E028(param0->unk_04, NULL, NULL, NULL, NULL, param0->unk_09, 2);
         v5 = 2;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    } else if (coresys.padInput & PAD_KEY_RIGHT) {
         v4 = sub_0201E028(param0->unk_04, NULL, NULL, NULL, NULL, param0->unk_09, 3);
         v5 = 3;
     } else {
@@ -205,11 +205,11 @@ u32 ov13_02228B64 (UnkStruct_ov13_02228A50 * param0)
         return 0xffffffff;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         return param0->unk_09;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1501);
         return 0xfffffffe;
     }
diff --git a/src/overlay016/battle_script.c b/src/overlay016/battle_script.c
index 42fe05faf1..1a3dc0d049 100644
--- a/src/overlay016/battle_script.c
+++ b/src/overlay016/battle_script.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "constants/abilities.h"
 #include "constants/items.h"
@@ -132,13 +132,13 @@ static BOOL BtlCmd_UpdateHPValue(BattleSystem *battleSys, BattleContext *battleC
 static BOOL BtlCmd_UpdateHPGauge(BattleSystem *battleSys, BattleContext *battleCtx);
 static BOOL BtlCmd_FaintBattler(BattleSystem *battleSys, BattleContext *battleCtx);
 static BOOL BtlCmd_PlayFaintingSequence(BattleSystem *battleSys, BattleContext *battleCtx);
-static BOOL ov16_02241984(BattleSystem * param0, BattleContext * param1);
-static BOOL ov16_02241A20(BattleSystem * param0, BattleContext * param1);
-static BOOL ov16_02241A58(BattleSystem * param0, BattleContext * param1);
-static BOOL ov16_02241B08(BattleSystem * param0, BattleContext * param1);
-static BOOL ov16_02241BC0(BattleSystem * param0, BattleContext * param1);
-static BOOL ov16_02241BDC(BattleSystem * param0, BattleContext * param1);
-static BOOL ov16_02241BFC(BattleSystem * param0, BattleContext * param1);
+static BOOL BtlCmd_WaitFrames(BattleSystem *battleSys, BattleContext *battleCtx);
+static BOOL BtlCmd_PlaySound(BattleSystem *battleSys, BattleContext *battleCtx);
+static BOOL BtlCmd_If(BattleSystem *battleSys, BattleContext *battleCtx);
+static BOOL BtlCmd_IfMonData(BattleSystem *battleSys, BattleContext *battleCtx);
+static BOOL BtlCmd_FadeOut(BattleSystem *battleSys, BattleContext *battleCtx);
+static BOOL BtlCmd_JumpToSub(BattleSystem *battleSys, BattleContext *battleCtx);
+static BOOL BtlCmd_JumpToBattleEffect(BattleSystem *battleSys, BattleContext *battleCtx);
 static BOOL ov16_02241C28(BattleSystem * param0, BattleContext * param1);
 static BOOL ov16_02241CD0(BattleSystem * param0, BattleContext * param1);
 static BOOL ov16_02241D34(BattleSystem * param0, BattleContext * param1);
@@ -392,13 +392,13 @@ static const BtlCmd sBattleCommands[] = {
     BtlCmd_UpdateHPGauge,
     BtlCmd_FaintBattler,
     BtlCmd_PlayFaintingSequence,
-    ov16_02241984,
-    ov16_02241A20,
-    ov16_02241A58,
-    ov16_02241B08,
-    ov16_02241BC0,
-    ov16_02241BDC,
-    ov16_02241BFC,
+    BtlCmd_WaitFrames,
+    BtlCmd_PlaySound,
+    BtlCmd_If,
+    BtlCmd_IfMonData,
+    BtlCmd_FadeOut,
+    BtlCmd_JumpToSub,
+    BtlCmd_JumpToBattleEffect,
     ov16_02241C28,
     ov16_02241CD0,
     ov16_02241D34,
@@ -2040,216 +2040,282 @@ static BOOL BtlCmd_PlayFaintingSequence(BattleSystem *battleSys, BattleContext *
     return FALSE;
 }
 
-static BOOL ov16_02241984 (BattleSystem * param0, BattleContext * param1)
+/**
+ * @brief Wait a specified number of frames.
+ * 
+ * Non-Link battles can skip the wait with a button press.
+ * 
+ * Inputs:
+ * 1. The number of frames to wait at this instruction
+ * 
+ * @param battleSys 
+ * @param battleCtx 
+ * @return FALSE
+ */
+static BOOL BtlCmd_WaitFrames(BattleSystem *battleSys, BattleContext *battleCtx)
 {
-    int v0;
-    int v1;
-
-    BattleScript_Iter(param1, 1);
-    v0 = BattleScript_Read(param1);
+    BattleScript_Iter(battleCtx, 1);
+    int frames = BattleScript_Read(battleCtx);
 
-    if ((BattleSystem_BattleType(param0) & 0x4) == 0) {
-        if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_BUTTON_X | PAD_BUTTON_Y)) || (sub_02022798())) {
-            param1->waitCounter = v0;
+    if ((BattleSystem_BattleType(battleSys) & BATTLE_TYPE_LINK) == FALSE) {
+        if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_BUTTON_X | PAD_BUTTON_Y)) || TouchScreen_Tapped()) {
+            battleCtx->waitCounter = frames;
         }
     }
 
-    if ((param0->battleType & 0x4) && ((param0->battleStatusMask & 0x10) == 0)) {
-        v1 = 2;
+    int inc;
+    if ((battleSys->battleType & BATTLE_TYPE_LINK) && (battleSys->battleStatusMask & BATTLE_STATUS_RECORDING) == FALSE) {
+        inc = 2;
     } else {
-        v1 = 1;
+        inc = 1;
     }
 
-    if (v0 > param1->waitCounter) {
-        BattleScript_Iter(param1, -2);
-        param1->waitCounter += v1;
+    // Go back through this command until the specified number of frames have elapsed
+    if (frames > battleCtx->waitCounter) {
+        BattleScript_Iter(battleCtx, -2); // jump back to the instruction
+        battleCtx->waitCounter += inc;
     } else {
-        param1->waitCounter = 0;
+        battleCtx->waitCounter = 0;
     }
 
-    param1->battleProgressFlag = 1;
-
-    return 0;
+    battleCtx->battleProgressFlag = TRUE;
+    return FALSE;
 }
 
-static BOOL ov16_02241A20 (BattleSystem * param0, BattleContext * param1)
+/**
+ * @brief Play a sound originating from a particular battler.
+ * 
+ * Inputs:
+ * 1. The battler from which the sound originates. This is used for determining
+ * from which of the DS's stereo speakers to pan the sound. Enemies will have
+ * their sounds pan from the right, while allies will have their sounds pan from
+ * the left.
+ * 2. The SDAT sequence to play.
+ * 
+ * @param battleSys 
+ * @param battleCtx 
+ * @return FALSE
+ */
+static BOOL BtlCmd_PlaySound(BattleSystem *battleSys, BattleContext *battleCtx)
 {
-    int v0;
-    int v1;
-    int v2;
-
-    BattleScript_Iter(param1, 1);
-
-    v0 = BattleScript_Read(param1);
-    v1 = BattleScript_Read(param1);
-    v2 = BattleScript_Battler(param0, param1, v0);
+    BattleScript_Iter(battleCtx, 1);
+    int battler = BattleScript_Read(battleCtx);
+    int sdatSeq = BattleScript_Read(battleCtx);
 
-    ov16_02265EAC(param0, param1, v1, v2);
+    BattleIO_PlaySound(battleSys, battleCtx, sdatSeq, BattleScript_Battler(battleSys, battleCtx, battler));
 
-    return 0;
+    return FALSE;
 }
 
-static BOOL ov16_02241A58 (BattleSystem * param0, BattleContext * param1)
+/**
+ * @brief Compare a given data-value from a variable to a target static value.
+ * 
+ * Inputs:
+ * 1. The operation mode. See enum IfOp for possible values.
+ * 2. The variable whose data should be retrieved for the comparison.
+ * 3. The static value to compare against.
+ * 4. The jump-ahead value if the comparison yields TRUE.
+ * 
+ * @param battleSys 
+ * @param battleCtx 
+ * @return FALSE
+ */
+static BOOL BtlCmd_If(BattleSystem *battleSys, BattleContext *battleCtx)
 {
-    int v0;
-    int v1;
-    int v2;
-    int v3;
-    int * v4;
+    BattleScript_Iter(battleCtx, 1);
+    int op = BattleScript_Read(battleCtx);
+    int srcVar = BattleScript_Read(battleCtx);
+    int compareTo = BattleScript_Read(battleCtx);
+    int jump = BattleScript_Read(battleCtx);
 
-    BattleScript_Iter(param1, 1);
+    int *data = BattleScript_VarAddress(battleSys, battleCtx, srcVar);
 
-    v0 = BattleScript_Read(param1);
-    v1 = BattleScript_Read(param1);
-    v2 = BattleScript_Read(param1);
-    v3 = BattleScript_Read(param1);
-    v4 = BattleScript_VarAddress(param0, param1, v1);
-
-    switch (v0) {
-    case 0:
-        if (v4[0] != v2) {
-            v3 = 0;
+    switch (op) {
+    case IFOP_EQU:
+        if (*data != compareTo) {
+            jump = 0;
         }
         break;
-    case 1:
-        if (v4[0] == v2) {
-            v3 = 0;
+
+    case IFOP_NEQ:
+        if (*data == compareTo) {
+            jump = 0;
         }
         break;
-    case 2:
-        if (v4[0] <= v2) {
-            v3 = 0;
+
+    case IFOP_LTE:
+        if (*data <= compareTo) {
+            jump = 0;
         }
         break;
-    case 3:
-        if (v4[0] > v2) {
-            v3 = 0;
+
+    case IFOP_GT:
+        if (*data > compareTo) {
+            jump = 0;
         }
         break;
-    case 4:
-        if ((v4[0] & v2) == 0) {
-            v3 = 0;
-        }
 
+    case IFOP_FLAG_SET:
+        if ((*data & compareTo) == FALSE) {
+            jump = 0;
+        }
         break;
-    case 5:
-        if (v4[0] & v2) {
-            v3 = 0;
+
+    case IFOP_FLAG_NOT:
+        if (*data & compareTo) {
+            jump = 0;
         }
         break;
-    case 6:
-        if ((v4[0] & v2) != v2) {
-            v3 = 0;
+
+    case IFOP_AND:
+        if ((*data & compareTo) != compareTo) {
+            jump = 0;
         }
         break;
+
     default:
-        GF_ASSERT(1);
+        GF_ASSERT(TRUE);
         break;
     }
 
-    if (v3) {
-        BattleScript_Iter(param1, v3);
+    if (jump) {
+        BattleScript_Iter(battleCtx, jump);
     }
 
-    return 0;
+    return FALSE;
 }
 
-static BOOL ov16_02241B08 (BattleSystem * param0, BattleContext * param1)
+/**
+ * @brief Compare a given data-value from a battler to a target static value.
+ * 
+ * Inputs:
+ * 1. The operation mode. See enum IfOp for possible values.
+ * 2. The battler whose data should be retrieved for the comparison.
+ * 3. The parameter to retrieve for the comparison.
+ * 4. The static value to compare against.
+ * 5. The jump-ahead value if the comparison yields TRUE.
+ * 
+ * @param battleSys 
+ * @param battleCtx 
+ * @return FALSE
+ */
+static BOOL BtlCmd_IfMonData(BattleSystem *battleSys, BattleContext *battleCtx)
 {
-    int v0;
-    int v1;
-    int v2;
-    int v3;
-    int v4;
-    int v5;
-    int v6;
-
-    BattleScript_Iter(param1, 1);
+    BattleScript_Iter(battleCtx, 1);
+    int op = BattleScript_Read(battleCtx);
+    int inBattler = BattleScript_Read(battleCtx);
+    int srcParam = BattleScript_Read(battleCtx);
+    int compareTo = BattleScript_Read(battleCtx);
+    int jump = BattleScript_Read(battleCtx);
 
-    v0 = BattleScript_Read(param1);
-    v1 = BattleScript_Read(param1);
-    v2 = BattleScript_Read(param1);
-    v3 = BattleScript_Read(param1);
-    v4 = BattleScript_Read(param1);
-    v6 = BattleScript_Battler(param0, param1, v1);
-    v5 = BattleMon_Get(param1, v6, v2, NULL);
+    int battler = BattleScript_Battler(battleSys, battleCtx, inBattler);
+    int data = BattleMon_Get(battleCtx, battler, srcParam, NULL);
 
-    switch (v0) {
-    case 0:
-        if (v5 != v3) {
-            v4 = 0;
+    switch (op) {
+    case IFOP_EQU:
+        if (data != compareTo) {
+            jump = 0;
         }
         break;
-    case 1:
-        if (v5 == v3) {
-            v4 = 0;
+
+    case IFOP_NEQ:
+        if (data == compareTo) {
+            jump = 0;
         }
         break;
-    case 2:
-        if (v5 <= v3) {
-            v4 = 0;
+
+    case IFOP_LTE:
+        if (data <= compareTo) {
+            jump = 0;
         }
         break;
-    case 3:
-        if (v5 > v3) {
-            v4 = 0;
+
+    case IFOP_GT:
+        if (data > compareTo) {
+            jump = 0;
         }
         break;
-    case 4:
-        if ((v5 & v3) == 0) {
-            v4 = 0;
+
+    case IFOP_FLAG_SET:
+        if ((data & compareTo) == FALSE) {
+            jump = 0;
         }
         break;
-    case 5:
-        if (v5 & v3) {
-            v4 = 0;
+
+    case IFOP_FLAG_NOT:
+        if (data & compareTo) {
+            jump = 0;
         }
         break;
-    case 6:
-        if ((v5 & v3) != v3) {
-            v4 = 0;
+
+    case IFOP_AND:
+        if ((data & compareTo) != compareTo) {
+            jump = 0;
         }
         break;
+
     default:
-        GF_ASSERT(1);
+        GF_ASSERT(TRUE);
         break;
     }
 
-    if (v4) {
-        BattleScript_Iter(param1, v4);
+    if (jump) {
+        BattleScript_Iter(battleCtx, jump);
     }
 
-    return 0;
+    return FALSE;
 }
 
-static BOOL ov16_02241BC0 (BattleSystem * param0, BattleContext * param1)
+/**
+ * @brief Perform a screen fade at the end of a battle to transition out of
+ * the battle UI.
+ * 
+ * @param battleSys 
+ * @param battleCtx 
+ * @return FALSE
+ */
+static BOOL BtlCmd_FadeOut(BattleSystem *battleSys, BattleContext *battleCtx)
 {
-    BattleScript_Iter(param1, 1);
-    ov16_02265ECC(param0, param1);
+    BattleScript_Iter(battleCtx, 1);
+    BattleIO_FadeOut(battleSys, battleCtx);
 
-    return 0;
+    return FALSE;
 }
 
-static BOOL ov16_02241BDC (BattleSystem * param0, BattleContext * param1)
+/**
+ * @brief Jump to a subroutine sequence, abandoning the current script.
+ * 
+ * Inputs:
+ * 1. The subroutine sequence to jump to.
+ * 
+ * @param battleSys 
+ * @param battleCtx 
+ * @return FALSE 
+ */
+static BOOL BtlCmd_JumpToSub(BattleSystem *battleSys, BattleContext *battleCtx)
 {
-    int v0;
+    BattleScript_Iter(battleCtx, 1);
+    int subseq = BattleScript_Read(battleCtx);
 
-    BattleScript_Iter(param1, 1);
-    v0 = BattleScript_Read(param1);
-    BattleScript_Jump(param1, 1, v0);
+    BattleScript_Jump(battleCtx, NARC_INDEX_BATTLE__SKILL__SUB_SEQ, subseq);
 
-    return 0;
+    return FALSE;
 }
 
-static BOOL ov16_02241BFC (BattleSystem * param0, BattleContext * param1)
+/**
+ * @brief Jump to the battle effect sequence for the current move.
+ * 
+ * @param battleSys 
+ * @param battleCtx 
+ * @return FALSE
+ */
+static BOOL BtlCmd_JumpToBattleEffect(BattleSystem *battleSys, BattleContext *battleCtx)
 {
-    int v0;
+    BattleScript_Iter(battleCtx, 1);
 
-    BattleScript_Iter(param1, 1);
-    v0 = param1->aiContext.moveTable[param1->moveCur].effect;
-    BattleScript_Jump(param1, 30, v0);
+    BattleScript_Jump(battleCtx, NARC_INDEX_BATTLE__SKILL__BE_SEQ, CURRENT_MOVE_DATA.effect);
 
-    return 0;
+    return FALSE;
 }
 
 static BOOL ov16_02241C28 (BattleSystem * param0, BattleContext * param1)
@@ -8344,7 +8410,7 @@ static void ov16_02248E74 (UnkStruct_0201CD38 * param0, void * param1)
     break;
     case 11:
     case 13:
-        if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_BUTTON_X | PAD_BUTTON_Y)) || (sub_02022798())) {
+        if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_BUTTON_X | PAD_BUTTON_Y)) || (TouchScreen_Tapped())) {
             sub_02005748(1500);
             v2->unk_28++;
         }
@@ -8880,9 +8946,9 @@ static void ov16_02249B80 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 13:
         if (ov21_021E8DEC(v2->unk_50[0])) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 v2->unk_28 = 14;
-            } else if (sub_02022798()) {
+            } else if (TouchScreen_Tapped()) {
                 sub_02005748(1500);
                 v2->unk_28 = 14;
             }
diff --git a/src/overlay016/ov16_0225CBB8.c b/src/overlay016/ov16_0225CBB8.c
index 62061e5895..69007e8ef4 100644
--- a/src/overlay016/ov16_0225CBB8.c
+++ b/src/overlay016/ov16_0225CBB8.c
@@ -3,7 +3,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "assert.h"
 
 #include "struct_decls/struct_02002F38_decl.h"
@@ -3078,7 +3078,7 @@ static void ov16_022604C8 (UnkStruct_0201CD38 * param0, void * param1)
         v0->unk_0A = 5;
         break;
     case 5:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_START) {
+        if (coresys.padInput & PAD_BUTTON_START) {
             BattlerData * v14;
             int v15;
 
diff --git a/src/overlay016/ov16_0226485C.c b/src/overlay016/ov16_0226485C.c
index e22107cdd5..2be9d56cfd 100644
--- a/src/overlay016/ov16_0226485C.c
+++ b/src/overlay016/ov16_0226485C.c
@@ -101,8 +101,8 @@ void BattleIO_FlickerBattler(BattleSystem * param0, int param1, u32 param2);
 void BattleIO_UpdateHPGauge(BattleSystem * param0, BattleContext * param1, int param2);
 void ov16_02265D14(BattleSystem * param0, BattleContext * param1, int param2, int param3);
 void BattleIO_PlayFaintingSequence(BattleSystem * param0, BattleContext * param1, int param2);
-void ov16_02265EAC(BattleSystem * param0, BattleContext * param1, int param2, int param3);
-void ov16_02265ECC(BattleSystem * param0, BattleContext * param1);
+void BattleIO_PlaySound(BattleSystem * param0, BattleContext * param1, int param2, int param3);
+void BattleIO_FadeOut(BattleSystem * param0, BattleContext * param1);
 void ov16_02265EE8(BattleSystem * param0, int param1, int param2);
 void ov16_02265FB8(BattleSystem * param0, int param1, int param2);
 void ov16_02265FD8(BattleSystem * param0, int param1, int param2);
@@ -1071,7 +1071,7 @@ void BattleIO_PlayFaintingSequence (BattleSystem * param0, BattleContext * param
     ov16_02264A04(param0, 1, param2, &v0, sizeof(UnkStruct_ov16_0225C384));
 }
 
-void ov16_02265EAC (BattleSystem * param0, BattleContext * param1, int param2, int param3)
+void BattleIO_PlaySound (BattleSystem * param0, BattleContext * param1, int param2, int param3)
 {
     UnkStruct_ov16_0225C398 v0;
 
@@ -1081,7 +1081,7 @@ void ov16_02265EAC (BattleSystem * param0, BattleContext * param1, int param2, i
     ov16_02264A04(param0, 1, param3, &v0, sizeof(UnkStruct_ov16_0225C398));
 }
 
-void ov16_02265ECC (BattleSystem * param0, BattleContext * param1)
+void BattleIO_FadeOut (BattleSystem * param0, BattleContext * param1)
 {
     int v0 = 28;
 
diff --git a/src/overlay016/ov16_0226871C.c b/src/overlay016/ov16_0226871C.c
index a2f6145d5c..f668c144b4 100644
--- a/src/overlay016/ov16_0226871C.c
+++ b/src/overlay016/ov16_0226871C.c
@@ -3,7 +3,7 @@
 
 #include "inlines.h"
 #include "assert.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "enums.h"
 
 #include "struct_decls/struct_02002F38_decl.h"
@@ -3768,7 +3768,7 @@ static void ov16_0226BD74 (UnkStruct_0201CD38 * param0, void * param1)
     v2 = sub_0200316C(v1, 1);
     v3 = (16 - 8) * 2;
 
-    if (Unk_021BF67C.unk_62 && ((v4 == 1) || (v5 == 1))) {
+    if (coresys.unk_62 && ((v4 == 1) || (v5 == 1))) {
         if (memcmp(&v2[8], &v0->unk_5C[8], v3) == 0) {
             if (BattleSystem_BattleType(v0->unk_00) & 0x80) {
                 MI_CpuCopy16(&v0->unk_60[0], &v2[0], 0x20);
@@ -3802,7 +3802,7 @@ static int ov16_0226BE48 (UnkStruct_ov16_02268A14 * param0)
     }
 
     if (v0->unk_00 == 0) {
-        if ((param0->unk_6C0 == 1) || (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_BUTTON_X | PAD_BUTTON_Y | PAD_KEY_RIGHT | PAD_KEY_LEFT | PAD_KEY_UP | PAD_KEY_DOWN))) {
+        if ((param0->unk_6C0 == 1) || (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_BUTTON_X | PAD_BUTTON_Y | PAD_KEY_RIGHT | PAD_KEY_LEFT | PAD_KEY_UP | PAD_KEY_DOWN))) {
             if (param0->unk_6C0 == 0) {
                 sub_02005748(1500);
             }
@@ -3847,18 +3847,18 @@ static int ov16_0226BEC0 (UnkStruct_ov16_02268A14 * param0, int param1)
     default:
         v4 = Unk_ov16_022701EC[v0->unk_01][v0->unk_02];
 
-        if ((v4 == 3) && (Unk_021BF67C.unk_48 & PAD_KEY_UP)) {
+        if ((v4 == 3) && (coresys.padInput & PAD_KEY_UP)) {
             (void)0;
         } else {
             v1 = ov16_0226CB10(v0, 3, 2, Unk_ov16_022701EC[0]);
 
             if ((v1 == 0) && (v4 == 0)) {
-                if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+                if (coresys.padInput & PAD_KEY_LEFT) {
                     v0->unk_02 = 0;
                     v0->unk_01 = 1;
                     sub_02005748(1500);
                     v1 = PAD_KEY_LEFT;
-                } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+                } else if (coresys.padInput & PAD_KEY_RIGHT) {
                     v0->unk_02 = 2;
                     v0->unk_01 = 1;
                     sub_02005748(1500);
@@ -4369,7 +4369,7 @@ static u32 ov16_0226CB10 (UnkStruct_ov16_0226CB10 * param0, int param1, int para
     v1 = param0->unk_02;
     v0 = param0->unk_01;
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         param0->unk_01--;
 
         if (param0->unk_01 < 0) {
@@ -4388,7 +4388,7 @@ static u32 ov16_0226CB10 (UnkStruct_ov16_0226CB10 * param0, int param1, int para
         }
 
         v2 = PAD_KEY_UP;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    } else if (coresys.padInput & PAD_KEY_DOWN) {
         param0->unk_01++;
 
         if (param0->unk_01 >= param2) {
@@ -4407,7 +4407,7 @@ static u32 ov16_0226CB10 (UnkStruct_ov16_0226CB10 * param0, int param1, int para
         }
 
         v2 = PAD_KEY_DOWN;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    } else if (coresys.padInput & PAD_KEY_LEFT) {
         param0->unk_02--;
 
         if (param0->unk_02 < 0) {
@@ -4426,7 +4426,7 @@ static u32 ov16_0226CB10 (UnkStruct_ov16_0226CB10 * param0, int param1, int para
         }
 
         v2 = PAD_KEY_LEFT;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    } else if (coresys.padInput & PAD_KEY_RIGHT) {
         param0->unk_02++;
 
         if (param0->unk_02 >= param1) {
@@ -4445,9 +4445,9 @@ static u32 ov16_0226CB10 (UnkStruct_ov16_0226CB10 * param0, int param1, int para
         }
 
         v2 = PAD_KEY_RIGHT;
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    } else if (coresys.padInput & PAD_BUTTON_A) {
         v2 = PAD_BUTTON_A;
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    } else if (coresys.padInput & PAD_BUTTON_B) {
         v2 = PAD_BUTTON_B;
     } else {
         return 0;
diff --git a/src/overlay017/ov17_0223F7E4.c b/src/overlay017/ov17_0223F7E4.c
index 5a2910fc00..2654ee88a2 100644
--- a/src/overlay017/ov17_0223F7E4.c
+++ b/src/overlay017/ov17_0223F7E4.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "assert.h"
 
 #include "struct_decls/struct_02002F38_decl.h"
@@ -1541,7 +1541,7 @@ static int ov17_02240C90 (UnkStruct_ov17_0223F7E4 * param0)
     }
 
     if (v0->unk_00 == 0) {
-        if ((param0->unk_304 == 1) || (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_BUTTON_X | PAD_BUTTON_Y | PAD_KEY_RIGHT | PAD_KEY_LEFT | PAD_KEY_UP | PAD_KEY_DOWN))) {
+        if ((param0->unk_304 == 1) || (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_BUTTON_X | PAD_BUTTON_Y | PAD_KEY_RIGHT | PAD_KEY_LEFT | PAD_KEY_UP | PAD_KEY_DOWN))) {
             if (param0->unk_304 == 0) {
                 sub_02005748(1500);
             }
@@ -1702,7 +1702,7 @@ static u32 ov17_02241004 (UnkStruct_ov17_02241004 * param0, int param1, int para
     v1 = param0->unk_02;
     v0 = param0->unk_01;
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         param0->unk_01--;
 
         if (param0->unk_01 < 0) {
@@ -1721,7 +1721,7 @@ static u32 ov17_02241004 (UnkStruct_ov17_02241004 * param0, int param1, int para
         }
 
         v2 = PAD_KEY_UP;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    } else if (coresys.padInput & PAD_KEY_DOWN) {
         param0->unk_01++;
 
         if (param0->unk_01 >= param2) {
@@ -1740,7 +1740,7 @@ static u32 ov17_02241004 (UnkStruct_ov17_02241004 * param0, int param1, int para
         }
 
         v2 = PAD_KEY_DOWN;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    } else if (coresys.padInput & PAD_KEY_LEFT) {
         param0->unk_02--;
 
         if (param0->unk_02 < 0) {
@@ -1759,7 +1759,7 @@ static u32 ov17_02241004 (UnkStruct_ov17_02241004 * param0, int param1, int para
         }
 
         v2 = PAD_KEY_LEFT;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    } else if (coresys.padInput & PAD_KEY_RIGHT) {
         param0->unk_02++;
 
         if (param0->unk_02 >= param1) {
@@ -1778,9 +1778,9 @@ static u32 ov17_02241004 (UnkStruct_ov17_02241004 * param0, int param1, int para
         }
 
         v2 = PAD_KEY_RIGHT;
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    } else if (coresys.padInput & PAD_BUTTON_A) {
         v2 = PAD_BUTTON_A;
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    } else if (coresys.padInput & PAD_BUTTON_B) {
         v2 = PAD_BUTTON_B;
     } else {
         return 0;
diff --git a/src/overlay017/ov17_02247A48.c b/src/overlay017/ov17_02247A48.c
index 4af4a56425..3523402dd8 100644
--- a/src/overlay017/ov17_02247A48.c
+++ b/src/overlay017/ov17_02247A48.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "assert.h"
 
 #include "struct_decls/struct_0201CD38_decl.h"
@@ -1332,7 +1332,7 @@ static void ov17_02249014 (UnkStruct_0201CD38 * param0, void * param1)
         v0->unk_15 = 1;
     }
 
-    if ((v0->unk_00->unk_00->unk_155 == 0) && (v0->unk_18 < 30) && ((Unk_021BF67C.unk_48 & PAD_BUTTON_A) || (Unk_021BF67C.unk_60))) {
+    if ((v0->unk_00->unk_00->unk_155 == 0) && (v0->unk_18 < 30) && ((coresys.padInput & PAD_BUTTON_A) || (coresys.touchInput))) {
         v0->unk_18 = 30;
         v1 = 0;
         v0->unk_13 = 0;
diff --git a/src/overlay017/ov17_022492DC.c b/src/overlay017/ov17_022492DC.c
index fe0506a5c0..fcf69fd963 100644
--- a/src/overlay017/ov17_022492DC.c
+++ b/src/overlay017/ov17_022492DC.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_0200C6E4_decl.h"
@@ -485,13 +485,13 @@ int ov17_02249760 (UnkStruct_ov17_022492DC * param0)
 
     if (v1 == 0xffffffff) {
         if (v3->unk_18 == Unk_ov17_02254554) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_KEY_RIGHT)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_KEY_RIGHT)) {
                 v1 = 3;
-            } else if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B | PAD_KEY_DOWN)) {
+            } else if (coresys.padInput & (PAD_BUTTON_B | PAD_KEY_DOWN)) {
                 v1 = 1;
-            } else if (Unk_021BF67C.unk_48 & (PAD_BUTTON_X | PAD_KEY_UP)) {
+            } else if (coresys.padInput & (PAD_BUTTON_X | PAD_KEY_UP)) {
                 v1 = 0;
-            } else if (Unk_021BF67C.unk_48 & (PAD_BUTTON_Y | PAD_KEY_LEFT)) {
+            } else if (coresys.padInput & (PAD_BUTTON_Y | PAD_KEY_LEFT)) {
                 v1 = 2;
             }
         }
diff --git a/src/overlay019/ov19_021D0D80.c b/src/overlay019/ov19_021D0D80.c
index 79f79eb36d..fde13fcfe7 100644
--- a/src/overlay019/ov19_021D0D80.c
+++ b/src/overlay019/ov19_021D0D80.c
@@ -4,7 +4,7 @@
 #include <string.h>
 
 #include "inlines.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "message.h"
@@ -309,7 +309,7 @@ int ov19_021D0DEC (UnkStruct_020067E8 * param0, int * param1)
         return 0;
     } else {
         if (v0->unk_1A8 != NULL) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_Y) {
+            if (coresys.padInput & PAD_BUTTON_Y) {
                 if (ov19_021D6628(v0->unk_114) == 1) {
                     ov19_021D5DD8(&v0->unk_00);
                     ov19_021D6594(v0->unk_114, 43);
@@ -485,7 +485,7 @@ static int ov19_021D0FF0 (UnkStruct_ov19_021D5DF8 * param0)
 {
     switch (param0->unk_1B0) {
     case 0:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             if (ov19_021D5E4C(&param0->unk_00)) {
                 if (ov19_021D5E08(&param0->unk_00) != 3) {
                     ov19_021D0EB0(param0, ov19_021D20A4);
@@ -496,24 +496,24 @@ static int ov19_021D0FF0 (UnkStruct_ov19_021D5DF8 * param0)
             }
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             ov19_021D0EB0(param0, ov19_021D1F5C);
             break;
         }
 
-        if (Unk_021BF67C.unk_44 & PAD_BUTTON_L) {
+        if (coresys.unk_44 & PAD_BUTTON_L) {
             ov19_021D5CE8(&param0->unk_00);
             ov19_021D0EB0(param0, ov19_021D45A8);
             break;
         }
 
-        if (Unk_021BF67C.unk_44 & PAD_BUTTON_R) {
+        if (coresys.unk_44 & PAD_BUTTON_R) {
             ov19_021D5CBC(&(param0->unk_00));
             ov19_021D0EB0(param0, ov19_021D45A8);
             break;
         }
 
-        if (ov19_021D4F74(Unk_021BF67C.unk_44, param0)) {
+        if (ov19_021D4F74(coresys.unk_44, param0)) {
             ov19_021D6594(param0->unk_114, 5);
 
             if (ov19_021D5E38(&param0->unk_00) == 1) {
@@ -562,7 +562,7 @@ static int ov19_021D1270 (UnkStruct_ov19_021D5DF8 * param0)
 {
     switch (param0->unk_1B0) {
     case 0:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             if (ov19_021D5E2C(&param0->unk_00) == 6) {
                 param0->unk_1B0 = 2;
                 break;
@@ -579,12 +579,12 @@ static int ov19_021D1270 (UnkStruct_ov19_021D5DF8 * param0)
             break;
         }
 
-        if ((Unk_021BF67C.unk_48 & PAD_BUTTON_B) || ((Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) && (ov19_021D5E2C(&param0->unk_00) & 1)) || ((Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) && (ov19_021D5E2C(&param0->unk_00) == 6))) {
+        if ((coresys.padInput & PAD_BUTTON_B) || ((coresys.padInput & PAD_KEY_RIGHT) && (ov19_021D5E2C(&param0->unk_00) & 1)) || ((coresys.padInput & PAD_KEY_RIGHT) && (ov19_021D5E2C(&param0->unk_00) == 6))) {
             param0->unk_1B0 = 2;
             break;
         }
 
-        if (ov19_021D4F74(Unk_021BF67C.unk_44, param0)) {
+        if (ov19_021D4F74(coresys.unk_44, param0)) {
             ov19_021D6594(param0->unk_114, 5);
 
             if (ov19_021D5E38(&param0->unk_00) == 1) {
@@ -645,7 +645,7 @@ static int ov19_021D1270 (UnkStruct_ov19_021D5DF8 * param0)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov19_021D6594(param0->unk_114, 26);
             param0->unk_1B0 = 0;
         }
@@ -664,29 +664,29 @@ static int ov19_021D15C0 (UnkStruct_ov19_021D5DF8 * param0)
 {
     switch (param0->unk_1B0) {
     case 0:
-        if (Unk_021BF67C.unk_44 & (PAD_KEY_LEFT | PAD_BUTTON_L)) {
+        if (coresys.unk_44 & (PAD_KEY_LEFT | PAD_BUTTON_L)) {
             ov19_021D5CE8(&param0->unk_00);
             ov19_021D0EB0(param0, ov19_021D45A8);
             break;
         }
 
-        if (Unk_021BF67C.unk_44 & (PAD_KEY_RIGHT | PAD_BUTTON_R)) {
+        if (coresys.unk_44 & (PAD_KEY_RIGHT | PAD_BUTTON_R)) {
             ov19_021D5CBC(&(param0->unk_00));
             ov19_021D0EB0(param0, ov19_021D45A8);
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             ov19_021D0EB0(param0, ov19_021D2694);
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             ov19_021D0EB0(param0, ov19_021D1F5C);
             break;
         }
 
-        if (ov19_021D4F74(Unk_021BF67C.unk_44, param0)) {
+        if (ov19_021D4F74(coresys.unk_44, param0)) {
             ov19_021D6594(param0->unk_114, 5);
 
             if (ov19_021D5E38(&param0->unk_00) == 1) {
@@ -713,29 +713,29 @@ static int ov19_021D17AC (UnkStruct_ov19_021D5DF8 * param0)
 {
     switch (param0->unk_1B0) {
     case 0:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             ov19_021D0EB0(param0, ov19_021D1DEC);
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             ov19_021D0EB0(param0, ov19_021D1F5C);
             break;
         }
 
-        if (Unk_021BF67C.unk_44 & PAD_BUTTON_L) {
+        if (coresys.unk_44 & PAD_BUTTON_L) {
             ov19_021D5CE8(&param0->unk_00);
             ov19_021D0EB0(param0, ov19_021D45A8);
             break;
         }
 
-        if (Unk_021BF67C.unk_44 & PAD_BUTTON_R) {
+        if (coresys.unk_44 & PAD_BUTTON_R) {
             ov19_021D5CBC(&(param0->unk_00));
             ov19_021D0EB0(param0, ov19_021D45A8);
             break;
         }
 
-        if (ov19_021D4F74(Unk_021BF67C.unk_44, param0)) {
+        if (ov19_021D4F74(coresys.unk_44, param0)) {
             ov19_021D6594(param0->unk_114, 5);
 
             if (ov19_021D5E38(&param0->unk_00) == 1) {
@@ -767,7 +767,7 @@ static int ov19_021D19B8 (UnkStruct_ov19_021D5DF8 * param0)
 {
     switch (param0->unk_1B0) {
     case 0:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             if (ov19_021D5E08(&param0->unk_00) != 1) {
                 ov19_021D6594(param0->unk_114, 34);
                 param0->unk_1B0 = 1;
@@ -780,24 +780,24 @@ static int ov19_021D19B8 (UnkStruct_ov19_021D5DF8 * param0)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             ov19_021D0EB0(param0, ov19_021D1F5C);
             break;
         }
 
-        if (Unk_021BF67C.unk_44 & PAD_BUTTON_L) {
+        if (coresys.unk_44 & PAD_BUTTON_L) {
             ov19_021D5CE8(&param0->unk_00);
             ov19_021D0EB0(param0, ov19_021D45A8);
             break;
         }
 
-        if (Unk_021BF67C.unk_44 & PAD_BUTTON_R) {
+        if (coresys.unk_44 & PAD_BUTTON_R) {
             ov19_021D5CBC(&(param0->unk_00));
             ov19_021D0EB0(param0, ov19_021D45A8);
             break;
         }
 
-        if (ov19_021D4F74(Unk_021BF67C.unk_44, param0)) {
+        if (ov19_021D4F74(coresys.unk_44, param0)) {
             ov19_021D6594(param0->unk_114, 5);
 
             if (ov19_021D5E38(&param0->unk_00) == 1) {
@@ -840,7 +840,7 @@ static int ov19_021D19B8 (UnkStruct_ov19_021D5DF8 * param0)
         }
         break;
     case 5:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov19_021D6594(param0->unk_114, 26);
             param0->unk_1B0 = 0;
         }
@@ -961,7 +961,7 @@ static void  ov19_021D1DEC (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
         }
         (*param1) = 5;
     case 5:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov19_021D6594(param0->unk_114, 26);
             (*param1) = 6;
         }
@@ -1017,7 +1017,7 @@ static void ov19_021D1F5C (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
         }
         (*param1) = 3;
     case 3:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov19_021D6594(param0->unk_114, 26);
             (*param1) = 4;
         }
@@ -1282,7 +1282,7 @@ static void ov19_021D2308 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
         }
         break;
     case 7:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov19_021D6594(param0->unk_114, 26);
             (*param1) = 6;
         }
@@ -1554,7 +1554,7 @@ asm static void ov19_021D2B54 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
     dcd 0x21e00dc
     dcd 0x1ea0232
  _021D2B7A:
-    ldr r1, = Unk_021BF67C
+    ldr r1, = coresys
     ldr r2, [r1, #0x44]
     mov r1, #1
     tst r1, r2
@@ -1576,7 +1576,7 @@ asm static void ov19_021D2B54 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
     bl ov19_021D0EB0
     pop {r3, r4, r5, pc}
  _021D2BAA:
-    ldr r1, = Unk_021BF67C
+    ldr r1, = coresys
     ldr r2, [r1, #0x44]
     mov r1, #1
     tst r1, r2
@@ -1588,7 +1588,7 @@ asm static void ov19_021D2B54 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
     beq _021D2BDC
     cmp r0, #2
     bne _021D2CAE
-    ldr r1, = Unk_021BF67C
+    ldr r1, = coresys
     mov r0, #0xf0
     ldr r2, [r1, #0x44]
     ldr r1, [r1, #0x48]
@@ -1655,7 +1655,7 @@ asm static void ov19_021D2B54 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
     bl ov19_021D6628
     cmp r0, #0
     beq _021D2CAE
-    ldr r0, = Unk_021BF67C
+    ldr r0, = coresys
     add r1, r4, #0
     ldr r0, [r0, #0x44]
     bl ov19_021D5150
@@ -1672,7 +1672,7 @@ asm static void ov19_021D2B54 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
     dcd 0x80020
     dcd 0x700046
  _021D2C7E:
-    ldr r1, = Unk_021BF67C
+    ldr r1, = coresys
     mov r0, #0xf0
     ldr r2, [r1, #0x44]
     ldr r1, [r1, #0x48]
@@ -1739,7 +1739,7 @@ asm static void ov19_021D2B54 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
     str r0, [r5, #0]
     pop {r3, r4, r5, pc}
  _021D2D10:
-    ldr r0, = Unk_021BF67C
+    ldr r0, = coresys
     ldr r1, [r0, #0x48]
     mov r0, #1
     tst r0, r1
@@ -1872,7 +1872,7 @@ static void ov19_021D2E1C (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
         }
         break;
     case 2:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov19_021D6594(param0->unk_114, 26);
             (*param1) = 3;
         }
@@ -1969,7 +1969,7 @@ static void ov19_021D3010 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov19_021D6594(param0->unk_114, 26);
             (*param1) = 2;
         }
@@ -2046,7 +2046,7 @@ static void ov19_021D30D0 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov19_021D6594(param0->unk_114, 26);
             (*param1) = 8;
         }
@@ -2128,7 +2128,7 @@ static void ov19_021D3294 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov19_021D4458(param0);
             (*param1) = 1;
         }
@@ -2138,7 +2138,7 @@ static void ov19_021D3294 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov19_021D6594(param0->unk_114, 26);
             (*param1) = 6;
         }
@@ -2318,7 +2318,7 @@ static void ov19_021D35F8 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov19_021D5408(&param0->unk_00, 4);
             ov19_021D6594(param0->unk_114, 24);
             (*param1) = 6;
@@ -2329,7 +2329,7 @@ static void ov19_021D35F8 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov19_021D5408(&param0->unk_00, 33);
             ov19_021D6594(param0->unk_114, 24);
             (*param1) = 6;
@@ -2340,7 +2340,7 @@ static void ov19_021D35F8 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov19_021D6594(param0->unk_114, 26);
             (*param1) = 7;
         }
@@ -2364,7 +2364,7 @@ static void ov19_021D35F8 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov19_021D6594(param0->unk_114, 26);
             (*param1) = 9;
         }
@@ -2680,7 +2680,7 @@ static void ov19_021D3D44 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
         break;
     case 5:
         if (ov19_021D6600(param0->unk_114, 24)) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 sub_02005748(1501);
                 ov19_021D6594(param0->unk_114, 26);
                 (*param1)++;
@@ -2757,7 +2757,7 @@ static void ov19_021D3FB0 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
         break;
     case 4:
         if (ov19_021D6600(param0->unk_114, 24)) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 sub_02005748(1501);
                 ov19_021D6594(param0->unk_114, 26);
                 (*param1) = 5;
@@ -2846,7 +2846,7 @@ static void ov19_021D4184 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
         break;
     case 5:
         if (ov19_021D6600(param0->unk_114, 24)) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 sub_02005748(1501);
                 ov19_021D6594(param0->unk_114, 26);
                 (*param1) = 6;
@@ -2880,7 +2880,7 @@ static void ov19_021D4390 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
         }
         break;
     case 3:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_PLUS_KEY_MASK)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_PLUS_KEY_MASK)) {
             ov19_021D6594(param0->unk_114, 18);
             (*param1)++;
         }
@@ -2944,7 +2944,7 @@ static BOOL ov19_021D4468 (UnkStruct_ov19_021D5DF8 * param0)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_KEY_LEFT | PAD_BUTTON_L)) {
+        if (coresys.padInput & (PAD_KEY_LEFT | PAD_BUTTON_L)) {
             v0->unk_05--;
 
             if (v0->unk_05 < 0) {
@@ -2956,7 +2956,7 @@ static BOOL ov19_021D4468 (UnkStruct_ov19_021D5DF8 * param0)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_KEY_RIGHT | PAD_BUTTON_R)) {
+        if (coresys.padInput & (PAD_KEY_RIGHT | PAD_BUTTON_R)) {
             if (++(v0->unk_05) >= 18) {
                 v0->unk_05 = 0;
             }
@@ -2966,12 +2966,12 @@ static BOOL ov19_021D4468 (UnkStruct_ov19_021D5DF8 * param0)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             sub_02005748(1501);
             return 1;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             sub_02005748(1501);
             v0->unk_05 = -1;
             return 1;
@@ -3038,7 +3038,7 @@ static void ov19_021D4640 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
             }
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_PLUS_KEY_MASK | PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_PLUS_KEY_MASK | PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1501);
             ov19_021D5D94(&(param0->unk_00), 0);
             ov19_021D5D9C(&(param0->unk_00), ov19_021D5E68(&param0->unk_00));
@@ -3184,7 +3184,7 @@ static void ov19_021D4938 (UnkStruct_ov19_021D5DF8 * param0, u32 * param1)
             }
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_PLUS_KEY_MASK | PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_PLUS_KEY_MASK | PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1501);
             ov19_021D5D94(&param0->unk_00, 0);
             ov19_021D6594(param0->unk_114, 40);
diff --git a/src/overlay019/ov19_021DF964.c b/src/overlay019/ov19_021DF964.c
index c97e74bf49..4e8bdd838f 100644
--- a/src/overlay019/ov19_021DF964.c
+++ b/src/overlay019/ov19_021DF964.c
@@ -3,7 +3,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020797DC_decl.h"
 
@@ -255,7 +255,7 @@ int ov19_021DFD2C (UnkStruct_ov19_021D4DF0 * param0)
 {
     UnkStruct_ov19_021DF964 * v0 = &(param0->unk_74);
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         if (v0->unk_20) {
             v0->unk_20--;
             return -2;
@@ -265,7 +265,7 @@ int ov19_021DFD2C (UnkStruct_ov19_021D4DF0 * param0)
         }
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    if (coresys.padInput & PAD_KEY_DOWN) {
         if (v0->unk_20 < (v0->unk_21 - 1)) {
             v0->unk_20++;
             return -2;
@@ -275,12 +275,12 @@ int ov19_021DFD2C (UnkStruct_ov19_021D4DF0 * param0)
         }
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1501);
         return -1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02005748(1501);
         return v0->unk_00[v0->unk_20];
     }
diff --git a/src/overlay020/ov20_021D0D80.c b/src/overlay020/ov20_021D0D80.c
index 7c1ece450a..1c1ef916d1 100644
--- a/src/overlay020/ov20_021D0D80.c
+++ b/src/overlay020/ov20_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "strbuf.h"
@@ -155,9 +155,9 @@ int ov20_021D0DF8 (UnkStruct_020067E8 * param0, int * param1)
 {
     UnkStruct_ov20_021D16E8 * v0 = sub_0200682C(param0);
 
-    v0->unk_30 = Unk_021BF67C.unk_48;
-    v0->unk_32 = Unk_021BF67C.unk_44;
-    v0->unk_34 = Unk_021BF67C.unk_4C;
+    v0->unk_30 = coresys.padInput;
+    v0->unk_32 = coresys.unk_44;
+    v0->unk_34 = coresys.unk_4C;
 
     sub_0202404C(v0->unk_40);
 
diff --git a/src/overlay021/ov21_021D3208.c b/src/overlay021/ov21_021D3208.c
index 8de3923b19..77cd159835 100644
--- a/src/overlay021/ov21_021D3208.c
+++ b/src/overlay021/ov21_021D3208.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "strbuf.h"
 #include "struct_decls/struct_02026324_decl.h"
@@ -584,12 +584,12 @@ BOOL ov21_021D3954 (const UnkStruct_ov21_021D3320 * param0)
 
 void ov21_021D3960 (UnkStruct_ov21_021D3320 * param0)
 {
-    if (Unk_021BF67C.unk_62) {
+    if (coresys.unk_62) {
         param0->unk_1758 = 0;
         return;
     }
 
-    if (Unk_021BF67C.unk_48) {
+    if (coresys.padInput) {
         if (param0->unk_1758 == 0) {
             param0->unk_1758 = 1;
         } else {
diff --git a/src/overlay021/ov21_021D5AEC.c b/src/overlay021/ov21_021D5AEC.c
index 7cc1904fec..0e52404e6a 100644
--- a/src/overlay021/ov21_021D5AEC.c
+++ b/src/overlay021/ov21_021D5AEC.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02007C7C_decl.h"
@@ -538,7 +538,7 @@ static void ov21_021D5FC4 (UnkStruct_ov21_021D5B68 * param0)
 
 static void ov21_021D5FD4 (UnkStruct_ov21_021D5B68 * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         if (param0->unk_04->unk_1740 == 0) {
             param0->unk_28 = 1;
         } else {
@@ -548,17 +548,17 @@ static void ov21_021D5FD4 (UnkStruct_ov21_021D5B68 * param0)
         return;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         param0->unk_2C = 1;
         return;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_X) {
+    if (coresys.padInput & PAD_BUTTON_X) {
         param0->unk_34 = 1;
         return;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_SELECT) {
+    if (coresys.padInput & PAD_BUTTON_SELECT) {
         param0->unk_30 = 1;
         return;
     }
@@ -1766,7 +1766,7 @@ static void ov21_021D7590 (UnkStruct_ov21_021D7464 * param0, UnkStruct_ov21_021D
 
 static void ov21_021D75DC (UnkStruct_ov21_021D7464 * param0, UnkStruct_ov21_021D5B68 * param1)
 {
-    if (Unk_021BF67C.unk_44 & PAD_KEY_UP) {
+    if (coresys.unk_44 & PAD_KEY_UP) {
         if (ov21_021D6108(param1, -1)) {
             ov21_021D60FC(param1, param0, 2);
             param1->unk_20 = 1;
@@ -1779,7 +1779,7 @@ static void ov21_021D75DC (UnkStruct_ov21_021D7464 * param0, UnkStruct_ov21_021D
         return;
     }
 
-    if (Unk_021BF67C.unk_44 & PAD_KEY_DOWN) {
+    if (coresys.unk_44 & PAD_KEY_DOWN) {
         if (ov21_021D6108(param1, 1)) {
             ov21_021D60FC(param1, param0, 1);
             param1->unk_20 = 1;
@@ -1792,7 +1792,7 @@ static void ov21_021D75DC (UnkStruct_ov21_021D7464 * param0, UnkStruct_ov21_021D
         return;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    if (coresys.padInput & PAD_KEY_LEFT) {
         param0->unk_14 = 1;
         param0->unk_18 = 5;
         param0->unk_1C = -1;
@@ -1801,7 +1801,7 @@ static void ov21_021D75DC (UnkStruct_ov21_021D7464 * param0, UnkStruct_ov21_021D
         return;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    if (coresys.padInput & PAD_KEY_RIGHT) {
         param0->unk_14 = 1;
         param0->unk_18 = 5;
         param0->unk_1C = 1;
diff --git a/src/overlay021/ov21_021D76B0.c b/src/overlay021/ov21_021D76B0.c
index d10ac1e816..99eadac4e7 100644
--- a/src/overlay021/ov21_021D76B0.c
+++ b/src/overlay021/ov21_021D76B0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02009DC8_decl.h"
@@ -459,8 +459,8 @@ static void ov21_021D7B8C (u32 param0, u32 param1, void * param2)
 
     switch (param1) {
     case 0:
-        v2->unk_14 = Unk_021BF67C.unk_5C;
-        v2->unk_18 = Unk_021BF67C.unk_5E;
+        v2->unk_14 = coresys.unk_5C;
+        v2->unk_18 = coresys.unk_5E;
         break;
     case 2:
         switch (param0) {
@@ -504,8 +504,8 @@ static void ov21_021D7B8C (u32 param0, u32 param1, void * param2)
                 }
             }
 
-            v2->unk_14 = Unk_021BF67C.unk_5C;
-            v2->unk_18 = Unk_021BF67C.unk_5E;
+            v2->unk_14 = coresys.unk_5C;
+            v2->unk_18 = coresys.unk_5E;
         }
 
         v2->unk_20 = 1;
@@ -835,8 +835,8 @@ static void ov21_021D8324 (UnkStruct_ov21_021D7A64 * param0)
 
     v1 = param0->unk_14 - (128 + 120);
     v0 = param0->unk_18 - (104 + -0);
-    v3 = Unk_021BF67C.unk_5C - (128 + 120);
-    v2 = Unk_021BF67C.unk_5E - (104 + -0);
+    v3 = coresys.unk_5C - (128 + 120);
+    v2 = coresys.unk_5E - (104 + -0);
 
     param0->unk_0C = sub_0201D4CC(v1, v0, v3, v2, 524);
     param0->unk_0C *= 10;
diff --git a/src/overlay021/ov21_021D94BC.c b/src/overlay021/ov21_021D94BC.c
index 27a8267343..d18e0d753f 100644
--- a/src/overlay021/ov21_021D94BC.c
+++ b/src/overlay021/ov21_021D94BC.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02009DC8_decl.h"
@@ -1389,7 +1389,7 @@ static void ov21_021DA534 (UnkStruct_ov21_021D4FE4 * param0, int param1)
 
 static void ov21_021DA5A8 (UnkStruct_ov21_021D9B24 * param0, UnkStruct_ov21_021D95B8 * param1)
 {
-    if (Unk_021BF67C.unk_44 & PAD_BUTTON_A) {
+    if (coresys.unk_44 & PAD_BUTTON_A) {
         if (param0->unk_8C == 0) {
             switch (ov21_021D4F7C(param0->unk_18)) {
             case 1:
@@ -1427,7 +1427,7 @@ static void ov21_021DA5A8 (UnkStruct_ov21_021D9B24 * param0, UnkStruct_ov21_021D
         param0->unk_8C = 0;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         param0->unk_80 = 0;
         param0->unk_2C[param0->unk_80] = 2;
     }
@@ -1508,7 +1508,7 @@ static void ov21_021DA6B0 (UnkStruct_ov21_021D9B24 * param0, int param1)
 
 static void ov21_021DA7B0 (UnkStruct_ov21_021D9B24 * param0, UnkStruct_ov21_021D95B8 * param1)
 {
-    if (Unk_021BF67C.unk_44 & PAD_BUTTON_A) {
+    if (coresys.unk_44 & PAD_BUTTON_A) {
         if (param0->unk_8C == 0) {
             switch (ov21_021D4F7C(param0->unk_18)) {
             case 8:
@@ -1619,7 +1619,7 @@ static void ov21_021DA888 (UnkStruct_ov21_021D9B24 * param0, int param1)
 
 static void ov21_021DA988 (UnkStruct_ov21_021D9B24 * param0, UnkStruct_ov21_021D95B8 * param1)
 {
-    if (Unk_021BF67C.unk_44 & PAD_BUTTON_A) {
+    if (coresys.unk_44 & PAD_BUTTON_A) {
         if (param0->unk_8C == 0) {
             switch (ov21_021D4F7C(param0->unk_18)) {
             case 6:
@@ -1766,7 +1766,7 @@ static void ov21_021DAAD4 (UnkStruct_ov21_021D9B24 * param0, int param1)
 
 static void ov21_021DAC08 (UnkStruct_ov21_021D9B24 * param0, UnkStruct_ov21_021D95B8 * param1)
 {
-    if (Unk_021BF67C.unk_44 & PAD_BUTTON_A) {
+    if (coresys.unk_44 & PAD_BUTTON_A) {
         if (param0->unk_8C == 0) {
             switch (ov21_021D4F7C(param0->unk_18)) {
             case 6:
@@ -1932,7 +1932,7 @@ static void ov21_021DAD74 (UnkStruct_ov21_021D9B24 * param0, int param1)
 
 static void ov21_021DAED8 (UnkStruct_ov21_021D9B24 * param0, UnkStruct_ov21_021D95B8 * param1)
 {
-    if (Unk_021BF67C.unk_44 & PAD_BUTTON_A) {
+    if (coresys.unk_44 & PAD_BUTTON_A) {
         if (param0->unk_8C == 0) {
             switch (ov21_021D4F7C(param0->unk_18)) {
             case 6:
@@ -2060,7 +2060,7 @@ static void ov21_021DB02C (UnkStruct_ov21_021D9B24 * param0, int param1)
 
 static void ov21_021DB12C (UnkStruct_ov21_021D9B24 * param0, UnkStruct_ov21_021D95B8 * param1)
 {
-    if (Unk_021BF67C.unk_44 & PAD_BUTTON_A) {
+    if (coresys.unk_44 & PAD_BUTTON_A) {
         if (param0->unk_8C == 0) {
             switch (ov21_021D4F7C(param0->unk_18)) {
             case 6:
@@ -2134,22 +2134,22 @@ static void ov21_021DB12C (UnkStruct_ov21_021D9B24 * param0, UnkStruct_ov21_021D
 
 static void ov21_021DB2FC (UnkStruct_ov21_021D9B24 * param0, UnkStruct_ov21_021D95B8 * param1)
 {
-    if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    if (coresys.padInput & PAD_KEY_RIGHT) {
         ov21_021D4F20(param0->unk_18, 0, 1);
         param0->unk_8C = 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    if (coresys.padInput & PAD_KEY_LEFT) {
         ov21_021D4F20(param0->unk_18, 0, -1);
         param0->unk_8C = 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         ov21_021D4F20(param0->unk_18, 1, -1);
         param0->unk_8C = 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    if (coresys.padInput & PAD_KEY_DOWN) {
         ov21_021D4F20(param0->unk_18, 1, 1);
         param0->unk_8C = 1;
     }
diff --git a/src/overlay021/ov21_021DDD2C.c b/src/overlay021/ov21_021DDD2C.c
index 4abb7b9410..bfc55646ae 100644
--- a/src/overlay021/ov21_021DDD2C.c
+++ b/src/overlay021/ov21_021DDD2C.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02009DC8_decl.h"
@@ -483,14 +483,14 @@ static void ov21_021DE358 (UnkStruct_ov21_021DDE4C * param0, UnkStruct_ov21_021D
 {
     s32 v0;
 
-    if (Unk_021BF67C.unk_62) {
+    if (coresys.unk_62) {
         return;
     }
 
     if ((ov21_021E33BC(param1->unk_08) == 1) && (ov21_021D3998(param1->unk_04) == 2)) {
         v0 = ov21_021DCA28(param1->unk_00);
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+        if (coresys.padInput & PAD_KEY_LEFT) {
             v0--;
 
             if (v0 < 0) {
@@ -500,7 +500,7 @@ static void ov21_021DE358 (UnkStruct_ov21_021DDE4C * param0, UnkStruct_ov21_021D
             ov21_021DCA30(param1->unk_00, v0);
             ov21_021DE5A4(param0, param1);
             param0->unk_24 = 1;
-        } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+        } else if (coresys.padInput & PAD_KEY_RIGHT) {
             v0++;
 
             if (v0 >= 3) {
@@ -522,9 +522,9 @@ static void ov21_021DE3D0 (UnkStruct_ov21_021DDE4C * param0, UnkStruct_ov21_021D
     param0->unk_24 = 0;
 
     if (param0->unk_20) {
-        if (Unk_021BF67C.unk_62) {
-            param0->unk_00 = Unk_021BF67C.unk_5C - param0->unk_08;
-            param0->unk_04 = Unk_021BF67C.unk_5E - param0->unk_0C;
+        if (coresys.unk_62) {
+            param0->unk_00 = coresys.unk_5C - param0->unk_08;
+            param0->unk_04 = coresys.unk_5E - param0->unk_0C;
 
             if (param0->unk_00 < 24) {
                 param0->unk_00 = 24;
@@ -571,8 +571,8 @@ static void ov21_021DE44C (u32 param0, u32 param1, void * param2)
         sub_02005748(1501);
 
         v2->unk_20 = 1;
-        v2->unk_08 = Unk_021BF67C.unk_5C - v2->unk_00;
-        v2->unk_0C = Unk_021BF67C.unk_5E - v2->unk_04;
+        v2->unk_08 = coresys.unk_5C - v2->unk_00;
+        v2->unk_0C = coresys.unk_5E - v2->unk_04;
         break;
     default:
         break;
diff --git a/src/overlay021/ov21_021E1924.c b/src/overlay021/ov21_021E1924.c
index 9e76c43145..0dc40d0c01 100644
--- a/src/overlay021/ov21_021E1924.c
+++ b/src/overlay021/ov21_021E1924.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02009DC8_decl.h"
@@ -1072,12 +1072,12 @@ static void ov21_021E2864 (UnkStruct_ov21_021E1E74 * param0, UnkStruct_ov21_021E
 
 static void ov21_021E28A8 (UnkStruct_ov21_021E1E74 * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         param0->unk_34 = 1;
         return;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    if (coresys.padInput & PAD_KEY_DOWN) {
         param0->unk_34 = 0;
         return;
     }
diff --git a/src/overlay021/ov21_021E29DC.c b/src/overlay021/ov21_021E29DC.c
index b1bbc9402d..d4ae968d62 100644
--- a/src/overlay021/ov21_021E29DC.c
+++ b/src/overlay021/ov21_021E29DC.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02009DC8_decl.h"
@@ -1384,7 +1384,7 @@ static void ov21_021E3C34 (UnkStruct_ov21_021E342C * param0)
 
     ov21_021E3C64(param0);
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         ov21_021E2E00(v0);
         param0->unk_2C = 1;
         sub_02005748(1501);
@@ -1429,15 +1429,15 @@ static void ov21_021E3D48 (UnkStruct_ov21_021E37B4 * param0, UnkStruct_ov21_021E
         return;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    if (coresys.padInput & PAD_KEY_RIGHT) {
         ov21_021D4F20(param0->unk_14, 0, 1);
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    if (coresys.padInput & PAD_KEY_LEFT) {
         ov21_021D4F20(param0->unk_14, 0, -1);
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         switch (ov21_021D4F7C(param0->unk_14)) {
         case 0:
             if (v0->unk_08 != 0) {
@@ -1542,11 +1542,11 @@ static void ov21_021E3EEC (UnkStruct_ov21_021E37B4 * param0, UnkStruct_ov21_021E
     }
 
     if ((param1->unk_30 == 0)) {
-        if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+        if (coresys.padInput & PAD_KEY_DOWN) {
             param1->unk_30 = 1;
         }
     } else {
-        if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+        if (coresys.padInput & PAD_KEY_UP) {
             param1->unk_30 = 0;
         }
     }
diff --git a/src/overlay021/ov21_021E4CA4.c b/src/overlay021/ov21_021E4CA4.c
index fb6221c260..7342fd6efd 100644
--- a/src/overlay021/ov21_021E4CA4.c
+++ b/src/overlay021/ov21_021E4CA4.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02009DC8_decl.h"
@@ -631,7 +631,7 @@ static void ov21_021E530C (u32 param0, UnkStruct_ov21_021E4D90 * param1, UnkStru
             ov21_021E5E18(param2);
         }
 
-        param2->unk_38 = Unk_021BF67C.unk_5C;
+        param2->unk_38 = coresys.unk_5C;
         param2->unk_30 = 1;
         break;
     case 1:
@@ -640,8 +640,8 @@ static void ov21_021E530C (u32 param0, UnkStruct_ov21_021E4D90 * param1, UnkStru
         }
 
         param2->unk_4C = 1;
-        param2->unk_54 = Unk_021BF67C.unk_5C;
-        param2->unk_58 = Unk_021BF67C.unk_5E;
+        param2->unk_54 = coresys.unk_5C;
+        param2->unk_58 = coresys.unk_5E;
         break;
     case 2:
         if (param2->unk_2C) {
@@ -663,18 +663,18 @@ static void ov21_021E537C (u32 param0, UnkStruct_ov21_021E4D90 * param1, UnkStru
     switch (param0) {
     case 0:
         if (param2->unk_30 == 1) {
-            v0 = Unk_021BF67C.unk_5C - param2->unk_38;
+            v0 = coresys.unk_5C - param2->unk_38;
 
             if (param2->unk_34 == 0) {
                 if (12 <= v0) {
                     param2->unk_34 = 1;
-                    param2->unk_38 = Unk_021BF67C.unk_5C;
+                    param2->unk_38 = coresys.unk_5C;
                     sub_02005748(1527);
                 }
             } else {
                 if (-12 >= v0) {
                     param2->unk_34 = 0;
-                    param2->unk_38 = Unk_021BF67C.unk_5C;
+                    param2->unk_38 = coresys.unk_5C;
                     sub_02005748(1527);
                 }
             }
@@ -686,8 +686,8 @@ static void ov21_021E537C (u32 param0, UnkStruct_ov21_021E4D90 * param1, UnkStru
             ov21_021E5AAC(param2);
             ov21_021E5AD8(param2);
 
-            param2->unk_54 = Unk_021BF67C.unk_5C;
-            param2->unk_58 = Unk_021BF67C.unk_5E;
+            param2->unk_54 = coresys.unk_5C;
+            param2->unk_58 = coresys.unk_5E;
         }
         break;
     case 2:
@@ -696,11 +696,11 @@ static void ov21_021E537C (u32 param0, UnkStruct_ov21_021E4D90 * param1, UnkStru
                 param2->unk_20 = 1;
                 ov21_021E5ED8(param2, 0);
             } else {
-                if (Unk_021BF67C.unk_5E < (99 - -16) + 16) {
+                if (coresys.unk_5E < (99 - -16) + 16) {
                     if (param2->unk_34 == 0) {
-                        ov21_021E5BE4(param2, Unk_021BF67C.unk_5C);
+                        ov21_021E5BE4(param2, coresys.unk_5C);
                     } else {
-                        ov21_021E5C18(param2, Unk_021BF67C.unk_5C);
+                        ov21_021E5C18(param2, coresys.unk_5C);
                     }
 
                     param2->unk_3C = 0;
@@ -1022,8 +1022,8 @@ static void ov21_021E5A44 (UnkStruct_ov21_021E51DC * param0)
 
     v1 = param0->unk_54 - 51;
     v0 = param0->unk_58 - 157;
-    v3 = Unk_021BF67C.unk_5C - 51;
-    v2 = Unk_021BF67C.unk_5E - 157;
+    v3 = coresys.unk_5C - 51;
+    v2 = coresys.unk_5E - 157;
     v4 = sub_0201D4CC(v1, v0, v3, v2, 0);
 
     if (MATH_IAbs(v4) < 1) {
@@ -1383,7 +1383,7 @@ static void ov21_021E5F5C (UnkStruct_ov21_021E51DC * param0, UnkStruct_ov21_021E
 {
     int v0 = ov21_021D37BC(param1->unk_04);
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         param0->unk_28 = 1;
 
         param0->unk_18[0] = 0;
diff --git a/src/overlay021/ov21_021E68F4.c b/src/overlay021/ov21_021E68F4.c
index c42df556ef..61c5b48cda 100644
--- a/src/overlay021/ov21_021E68F4.c
+++ b/src/overlay021/ov21_021E68F4.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02009DC8_decl.h"
@@ -733,7 +733,7 @@ static void ov21_021E728C (UnkStruct_ov21_021E6C60 * param0, UnkStruct_ov21_021E
 
 static void ov21_021E72E8 (UnkStruct_ov21_021E6DAC * param0, UnkStruct_ov21_021E6A20 * param1)
 {
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         if (param1->unk_04 == 1) {
             param1->unk_04 = 0;
             *param1->unk_00 |= (1 << 0);
diff --git a/src/overlay021/ov21_021E8484.c b/src/overlay021/ov21_021E8484.c
index d18db1eff6..873520e5ad 100644
--- a/src/overlay021/ov21_021E8484.c
+++ b/src/overlay021/ov21_021E8484.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02009DC8_decl.h"
@@ -690,7 +690,7 @@ static void ov21_021E8CBC (UnkStruct_ov21_021E8584 * param0, UnkStruct_ov21_021E
 
 static void ov21_021E8CF0 (UnkStruct_ov21_021E88B0 * param0, UnkStruct_ov21_021E8570 * param1)
 {
-    if (Unk_021BF67C.unk_44 & PAD_BUTTON_A) {
+    if (coresys.unk_44 & PAD_BUTTON_A) {
         param0->unk_14 = 1;
     }
 }
diff --git a/src/overlay022/ov22_02254DE0.c b/src/overlay022/ov22_02254DE0.c
index ed6c6456a3..9e1925e3f0 100644
--- a/src/overlay022/ov22_02254DE0.c
+++ b/src/overlay022/ov22_02254DE0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02015214_decl.h"
 
@@ -75,8 +75,8 @@ BOOL ov22_02254E54 (UnkStruct_ov22_02255040 * param0, int * param1, int * param2
 
     ov22_02254F00(param0, &v1, &v2);
 
-    *param1 = Unk_021BF67C.unk_5C - v1;
-    *param2 = Unk_021BF67C.unk_5E - v2;
+    *param1 = coresys.unk_5C - v1;
+    *param2 = coresys.unk_5E - v2;
 
     for (v3 = (*param2 - 4); v3 < (*param2 + 4); v3++) {
         if (v3 >= 0) {
diff --git a/src/overlay022/ov22_02255094.c b/src/overlay022/ov22_02255094.c
index 51e3fd2493..354bd40bbd 100644
--- a/src/overlay022/ov22_02255094.c
+++ b/src/overlay022/ov22_02255094.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02009DC8_decl.h"
@@ -72,14 +72,14 @@ void ov22_02255094 (void)
     ov22_02255654();
     ov22_022556DC();
 
-    Unk_021BF67C.unk_65 = 1;
+    coresys.unk_65 = 1;
 
     GXLayers_SwapDisplay();
 }
 
 void ov22_022550B4 (void)
 {
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
 
     GXLayers_SwapDisplay();
     ov22_02255738();
diff --git a/src/overlay022/ov22_02255D44.c b/src/overlay022/ov22_02255D44.c
index b292e551d3..e9bb861e9b 100644
--- a/src/overlay022/ov22_02255D44.c
+++ b/src/overlay022/ov22_02255D44.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "message.h"
@@ -277,7 +277,7 @@ int ov22_02255E50 (UnkStruct_020067E8 * param0, int * param1)
         }
         break;
     case 5:
-        if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) | (Unk_021BF67C.unk_60)) {
+        if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) | (coresys.touchInput)) {
             ov22_0225A628(&v0->unk_5C4, 26, 385, 48);
             sub_02002B20(0);
             (*param1)++;
diff --git a/src/overlay022/ov22_022588F0.c b/src/overlay022/ov22_022588F0.c
index 62429d5b9f..ba28a969d6 100644
--- a/src/overlay022/ov22_022588F0.c
+++ b/src/overlay022/ov22_022588F0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "overlay022/struct_ov22_02258A48.h"
 
@@ -20,10 +20,10 @@ void ov22_022588F0 (UnkStruct_ov22_02258A48 * param0)
 
 void ov22_0225890C (UnkStruct_ov22_02258A48 * param0)
 {
-    if (Unk_021BF67C.unk_60) {
+    if (coresys.touchInput) {
         param0->unk_04(param0);
     } else {
-        if (Unk_021BF67C.unk_62) {
+        if (coresys.unk_62) {
             param0->unk_0C(param0);
         } else {
             if (param0->unk_18) {
@@ -32,9 +32,9 @@ void ov22_0225890C (UnkStruct_ov22_02258A48 * param0)
         }
     }
 
-    param0->unk_14 = Unk_021BF67C.unk_5C;
-    param0->unk_16 = Unk_021BF67C.unk_5E;
-    param0->unk_18 = Unk_021BF67C.unk_62;
+    param0->unk_14 = coresys.unk_5C;
+    param0->unk_16 = coresys.unk_5E;
+    param0->unk_18 = coresys.unk_62;
 }
 
 static void ov22_02258948 (UnkStruct_ov22_02258A48 * param0)
diff --git a/src/overlay022/ov22_022589E0.c b/src/overlay022/ov22_022589E0.c
index 55c2f51011..4a45eb1aca 100644
--- a/src/overlay022/ov22_022589E0.c
+++ b/src/overlay022/ov22_022589E0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0201CD38_decl.h"
 
@@ -275,9 +275,9 @@ static void ov22_02258D4C (UnkStruct_ov22_02258A48 * param0)
     int v1, v2;
 
     if (v0->unk_10 != NULL) {
-        if ((Unk_021BF67C.unk_5C != 0xffff) && (Unk_021BF67C.unk_5C != 0xffff)) {
-            v1 = Unk_021BF67C.unk_5C - v0->unk_14;
-            v2 = Unk_021BF67C.unk_5E - v0->unk_18;
+        if ((coresys.unk_5C != 0xffff) && (coresys.unk_5C != 0xffff)) {
+            v1 = coresys.unk_5C - v0->unk_14;
+            v2 = coresys.unk_5E - v0->unk_18;
 
             ov22_022595F8(v0->unk_10, v1, v2);
         }
@@ -312,12 +312,12 @@ static void ov22_02258DAC (UnkStruct_ov22_02258A48 * param0)
     int v9, v10;
 
     if (v0->unk_10 != NULL) {
-        if ((Unk_021BF67C.unk_5C != 0xffff) && (Unk_021BF67C.unk_5C != 0xffff)) {
+        if ((coresys.unk_5C != 0xffff) && (coresys.unk_5C != 0xffff)) {
             ov22_022596B0(v0->unk_10, &v7, &v9, &v8, &v10);
             ov22_02259698(v0->unk_10, &v1, &v2);
 
-            v3 = Unk_021BF67C.unk_5C - v0->unk_14;
-            v4 = Unk_021BF67C.unk_5E - v0->unk_18;
+            v3 = coresys.unk_5C - v0->unk_14;
+            v4 = coresys.unk_5E - v0->unk_18;
 
             v5 = v3 + v7;
             v6 = v4 + v8;
diff --git a/src/overlay022/ov22_02259098.c b/src/overlay022/ov22_02259098.c
index ca4ff85794..43e4ea71ae 100644
--- a/src/overlay022/ov22_02259098.c
+++ b/src/overlay022/ov22_02259098.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02007768_decl.h"
 #include "pokemon.h"
@@ -158,8 +158,8 @@ BOOL ov22_02259278 (UnkStruct_020298D8 * param0, int * param1, int * param2, NNS
     v3 -= (v1 / 2);
     v4 -= (v2 / 2);
 
-    *param1 = Unk_021BF67C.unk_5C - v3;
-    *param2 = Unk_021BF67C.unk_5E - v4;
+    *param1 = coresys.unk_5C - v3;
+    *param2 = coresys.unk_5E - v4;
 
     v0 = ov22_02255420(param3, *param1, *param2, 0);
 
diff --git a/src/overlay022/ov22_0225B660.c b/src/overlay022/ov22_0225B660.c
index e6282075f1..5e1caaac0e 100644
--- a/src/overlay022/ov22_0225B660.c
+++ b/src/overlay022/ov22_0225B660.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "message.h"
@@ -87,7 +87,7 @@ int ov22_0225B660 (UnkStruct_020067E8 * param0, int * param1)
     v0->unk_0C = v1->unk_08;
 
     ov22_02255094();
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
     ov22_022555D4(&v0->unk_14, 14);
 
@@ -143,7 +143,7 @@ int ov22_0225B738 (UnkStruct_020067E8 * param0, int * param1)
         }
         break;
     case 3:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             (*param1)++;
         }
         break;
diff --git a/src/overlay023/ov23_0223E140.c b/src/overlay023/ov23_0223E140.c
index d1fc176e3c..cc4df7ee3f 100644
--- a/src/overlay023/ov23_0223E140.c
+++ b/src/overlay023/ov23_0223E140.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -1504,7 +1504,7 @@ static void ov23_0223F118 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 12:
         if (sub_0201D724(Unk_ov23_02257740->unk_A24) == 0) {
-            if (Unk_021BF67C.unk_60 || (Unk_021BF67C.unk_48 & PAD_BUTTON_A)) {
+            if (coresys.touchInput || (coresys.padInput & PAD_BUTTON_A)) {
                 ov23_02254044(ov23_0224219C());
                 v0->unk_00++;
             }
@@ -1535,7 +1535,7 @@ static void ov23_0223F118 (UnkStruct_0201CD38 * param0, void * param1)
         if (sub_0201D724(Unk_ov23_02257740->unk_A24) == 0) {
             v0->unk_4C--;
 
-            if (Unk_021BF67C.unk_60 || (Unk_021BF67C.unk_48 & PAD_BUTTON_A) || (v0->unk_4C == 0)) {
+            if (coresys.touchInput || (coresys.padInput & PAD_BUTTON_A) || (v0->unk_4C == 0)) {
                 ov23_02254044(ov23_0224219C());
                 v0->unk_00 = 16;
             }
@@ -1557,7 +1557,7 @@ static void ov23_0223F118 (UnkStruct_0201CD38 * param0, void * param1)
         if (sub_0201D724(Unk_ov23_02257740->unk_A24) == 0) {
             v0->unk_4C--;
 
-            if (Unk_021BF67C.unk_60 || (Unk_021BF67C.unk_48 & PAD_BUTTON_A) || (v0->unk_4C == 0)) {
+            if (coresys.touchInput || (coresys.padInput & PAD_BUTTON_A) || (v0->unk_4C == 0)) {
                 if (ov23_02240A90(v0)) {
                     v0->unk_4C = 60;
                     v0->unk_00 = 15;
@@ -1666,7 +1666,7 @@ static void ov23_0223F118 (UnkStruct_0201CD38 * param0, void * param1)
         if (sub_0201D724(Unk_ov23_02257740->unk_A24) == 0) {
             v0->unk_4C--;
 
-            if (Unk_021BF67C.unk_60 || (Unk_021BF67C.unk_48 & PAD_BUTTON_A) || (v0->unk_4C == 0)) {
+            if (coresys.touchInput || (coresys.padInput & PAD_BUTTON_A) || (v0->unk_4C == 0)) {
                 ov23_02254044(ov23_0224219C());
                 v0->unk_00 = 19;
             }
@@ -2701,12 +2701,12 @@ static BOOL ov23_02240CFC (UnkStruct_ov23_0223EE80 * param0)
         Unk_ov23_02257740->unk_A29 = 0;
     }
 
-    if (Unk_021BF67C.unk_60) {
-        if ((Unk_021BF67C.unk_5C < 2 * 8 * 13) && (Unk_021BF67C.unk_5E >= 4 * 8)) {
-            v0[0] = Unk_021BF67C.unk_5C;
-            v0[1] = Unk_021BF67C.unk_5E;
+    if (coresys.touchInput) {
+        if ((coresys.unk_5C < 2 * 8 * 13) && (coresys.unk_5E >= 4 * 8)) {
+            v0[0] = coresys.unk_5C;
+            v0[1] = coresys.unk_5E;
 
-            ov23_022402B8(Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E, Unk_ov23_02257740->unk_A28, param0);
+            ov23_022402B8(coresys.unk_5C, coresys.unk_5E, Unk_ov23_02257740->unk_A28, param0);
 
             if (Unk_ov23_02257740->unk_A28) {
                 v1 = 4;
@@ -2726,7 +2726,7 @@ static BOOL ov23_02240CFC (UnkStruct_ov23_0223EE80 * param0)
             ov23_02240688(Unk_ov23_02257740->unk_04);
 
             Unk_ov23_02257740->unk_A2C = 1;
-        } else if (Unk_021BF67C.unk_5C >= (2 * 8 * 13)) {
+        } else if (coresys.unk_5C >= (2 * 8 * 13)) {
             Unk_ov23_02257740->unk_A29 = 2;
         }
     }
@@ -2739,7 +2739,7 @@ static BOOL ov23_02240CFC (UnkStruct_ov23_0223EE80 * param0)
         }
     }
 
-    ov23_022404F8(Unk_ov23_02257740->unk_04, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E, Unk_ov23_02257740->unk_A29);
+    ov23_022404F8(Unk_ov23_02257740->unk_04, coresys.unk_5C, coresys.unk_5E, Unk_ov23_02257740->unk_A29);
 
     if (Unk_ov23_02257740->unk_A29 >= 2) {
         Unk_ov23_02257740->unk_A29++;
diff --git a/src/overlay023/ov23_02241F74.c b/src/overlay023/ov23_02241F74.c
index 2e50c36948..92c376ecb7 100644
--- a/src/overlay023/ov23_02241F74.c
+++ b/src/overlay023/ov23_02241F74.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200B358_decl.h"
 #include "struct_decls/struct_0201CD38_decl.h"
@@ -355,7 +355,7 @@ BOOL ov23_02242458 (void)
         return 0;
     }
 
-    if (Unk_021BF67C.unk_60) {
+    if (coresys.touchInput) {
         Unk_ov23_02257748->unk_134 = 30;
 
         if (!Unk_ov23_02257748->unk_14B) {
@@ -368,13 +368,13 @@ BOOL ov23_02242458 (void)
                     return 0;
                 }
 
-                v0 = ov5_021EAFA4(Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E, Unk_ov23_02257748->unk_0C->unk_8C);
+                v0 = ov5_021EAFA4(coresys.unk_5C, coresys.unk_5E, Unk_ov23_02257748->unk_0C->unk_8C);
                 ov5_021E9230(v0.x, v0.z, &v2, &v3);
                 v4.unk_00 = v2;
                 v4.unk_02 = v3;
 
-                Unk_ov23_02257748->unk_18.unk_00 = Unk_021BF67C.unk_5C;
-                Unk_ov23_02257748->unk_18.unk_02 = Unk_021BF67C.unk_5E;
+                Unk_ov23_02257748->unk_18.unk_00 = coresys.unk_5C;
+                Unk_ov23_02257748->unk_18.unk_02 = coresys.unk_5E;
                 Unk_ov23_02257748->unk_1C.unk_00 = v2;
                 Unk_ov23_02257748->unk_1C.unk_02 = v3;
 
diff --git a/src/overlay023/ov23_0224340C.c b/src/overlay023/ov23_0224340C.c
index 12d0574037..c9fcec62ba 100644
--- a/src/overlay023/ov23_0224340C.c
+++ b/src/overlay023/ov23_0224340C.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02009714_decl.h"
@@ -2393,11 +2393,11 @@ static void ov23_022451C8 (UnkStruct_0201CD38 * param0, void * param1)
         }
         break;
     case 7:
-        if (Unk_021BF67C.unk_62) {
+        if (coresys.unk_62) {
             UnkStruct_ov23_0224271C v4;
 
-            v4.unk_00 = Unk_021BF67C.unk_5C;
-            v4.unk_02 = Unk_021BF67C.unk_5E;
+            v4.unk_00 = coresys.unk_5C;
+            v4.unk_02 = coresys.unk_5E;
 
             if (ov23_02245064(&v4, v0->unk_10, v0)) {
                 if (v0->unk_19) {
@@ -3745,14 +3745,14 @@ static BOOL ov23_02246F20 (UnkStruct_02018340 * param0, UnkStruct_ov23_022468DC
         return 1;
     }
 
-    if (Unk_021BF67C.unk_60) {
+    if (coresys.touchInput) {
         for (v0 = 0; v0 < ov23_022468C0(); v0++) {
             if (param1->unk_E4[v0]) {
                 continue;
             }
 
-            v8 = Unk_021BF67C.unk_5C * FX32_ONE - param1->unk_44[v0].unk_00;
-            v9 = Unk_021BF67C.unk_5E * FX32_ONE - param1->unk_44[v0].unk_04;
+            v8 = coresys.unk_5C * FX32_ONE - param1->unk_44[v0].unk_00;
+            v9 = coresys.unk_5E * FX32_ONE - param1->unk_44[v0].unk_04;
             v11 = FX_Mul(v8, v8) + FX_Mul(v9, v9);
             v11 = FX_Sqrt(v11);
 
@@ -3990,9 +3990,9 @@ static BOOL ov23_02247568 (UnkStruct_02018340 * param0, UnkStruct_ov23_022471D8
         }
         break;
     case 3:
-        if (Unk_021BF67C.unk_60) {
-            v7 = (Unk_021BF67C.unk_5C - 128) * FX32_ONE;
-            v8 = (Unk_021BF67C.unk_5E - param1->unk_120) * FX32_ONE;
+        if (coresys.touchInput) {
+            v7 = (coresys.unk_5C - 128) * FX32_ONE;
+            v8 = (coresys.unk_5E - param1->unk_120) * FX32_ONE;
             v10 = FX_Mul(v7, v7) + FX_Mul(v8, v8);
             v10 = FX_Sqrt(v10);
 
diff --git a/src/overlay023/ov23_02248C08.c b/src/overlay023/ov23_02248C08.c
index 362c5bb7c8..3cc3906f34 100644
--- a/src/overlay023/ov23_02248C08.c
+++ b/src/overlay023/ov23_02248C08.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02013A04_decl.h"
@@ -99,7 +99,7 @@ u32 ov23_02248D20 (UnkStruct_ov23_02248D20 * param0)
         if (param0->unk_1C) {
             ov23_02248CA4(v1, v2, param0);
 
-            if ((Unk_021BF67C.unk_48 & PAD_BUTTON_A) || (Unk_021BF67C.unk_48 & PAD_BUTTON_SELECT)) {
+            if ((coresys.padInput & PAD_BUTTON_A) || (coresys.padInput & PAD_BUTTON_SELECT)) {
                 sub_02005748(1500);
 
                 if (v1 + v2 == v8 - 1) {
@@ -163,7 +163,7 @@ u32 ov23_02248D20 (UnkStruct_ov23_02248D20 * param0)
                 return 0xffffffff;
             }
         } else {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_SELECT) {
+            if (coresys.padInput & PAD_BUTTON_SELECT) {
                 sub_02005748(1500);
 
                 if (v1 + v2 == v8 - 1) {
diff --git a/src/overlay023/ov23_0224B05C.c b/src/overlay023/ov23_0224B05C.c
index d1b64eac88..6cb2ec1101 100644
--- a/src/overlay023/ov23_0224B05C.c
+++ b/src/overlay023/ov23_0224B05C.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "message.h"
@@ -1681,7 +1681,7 @@ static BOOL ov23_0224C790 (UnkStruct_020508D4 * param0)
         break;
     case 12:
         if (ov23_02254238(ov23_0224219C()) == 0) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 v1->unk_0C = 13;
                 ov23_02254044(ov23_0224219C());
                 sub_020593F4(0);
@@ -1716,7 +1716,7 @@ static BOOL ov23_0224C790 (UnkStruct_020508D4 * param0)
         return 1;
     case 8:
         if (ov23_02254238(ov23_0224219C()) == 0) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 v1->unk_0C = 13;
                 ov23_02254044(ov23_0224219C());
                 return 0;
@@ -1810,7 +1810,7 @@ static void ov23_0224CB1C (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 4:
         if (ov23_02254238(ov23_0224219C()) == 0) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 v4 = 1;
             }
         }
@@ -2371,7 +2371,7 @@ static void ov23_0224D5BC (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 1:
         if (ov23_02254238(ov23_022421AC()) == 0) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 int v1 = v0->unk_05;
 
                 ov23_02253F40(ov23_022421AC(), 14 + v1, 0, NULL);
@@ -2381,7 +2381,7 @@ static void ov23_0224D5BC (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 2:
         if (ov23_02254238(ov23_022421AC()) == 0) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 ov23_0224D54C(v0);
                 v0->unk_00 = 4;
                 ov23_02254044(ov23_022421AC());
diff --git a/src/overlay023/ov23_0224DC40.c b/src/overlay023/ov23_0224DC40.c
index 6214459379..ce3ab60e65 100644
--- a/src/overlay023/ov23_0224DC40.c
+++ b/src/overlay023/ov23_0224DC40.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02001AF4_decl.h"
@@ -629,7 +629,7 @@ static void ov23_0224E2D8 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 7:
         if (ov23_02254238(ov23_0224219C()) == 0) {
-            if (( PAD_BUTTON_A )&Unk_021BF67C.unk_48) {
+            if (( PAD_BUTTON_A )&coresys.padInput) {
                 v0->unk_37 = 4;
             }
         }
@@ -666,7 +666,7 @@ static void ov23_0224E2D8 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 15:
         if (ov23_02254238(ov23_0224219C()) == 0) {
-            if (( PAD_BUTTON_A )&Unk_021BF67C.unk_48) {
+            if (( PAD_BUTTON_A )&coresys.padInput) {
                 v0->unk_37 = 14;
             }
         }
@@ -815,7 +815,7 @@ static void ov23_0224E2D8 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 37:
         if (ov23_02254238(ov23_0224219C()) == 0) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 v0->unk_37 = 38;
             }
         }
@@ -1093,7 +1093,7 @@ static void ov23_0224EC50 (UnkStruct_0201CD38 * param0, void * param1)
     case 2:
         v0->unk_2E = 12;
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             ov23_0224DC40(v0, 8);
             v0->unk_34 = 8;
         } else if (v0->unk_35 == 5) {
@@ -1121,7 +1121,7 @@ static void ov23_0224EC50 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 9:
         if (ov23_02254238(ov23_0224219C()) == 0) {
-            if (( PAD_BUTTON_A )&Unk_021BF67C.unk_48) {
+            if (( PAD_BUTTON_A )&coresys.padInput) {
                 v0->unk_34 = 4;
             }
         }
@@ -1179,7 +1179,7 @@ static void ov23_0224EC50 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 21:
         if (ov23_02254238(ov23_0224219C()) == 0) {
-            if (( PAD_BUTTON_A )&Unk_021BF67C.unk_48) {
+            if (( PAD_BUTTON_A )&coresys.padInput) {
                 ov23_0224DC40(v0, 15);
                 v0->unk_34 = 15;
             }
diff --git a/src/overlay023/ov23_0224F294.c b/src/overlay023/ov23_0224F294.c
index c1f1773d0c..f237817299 100644
--- a/src/overlay023/ov23_0224F294.c
+++ b/src/overlay023/ov23_0224F294.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -581,7 +581,7 @@ static void ov23_0224F914 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 13:
         if (ov23_02254238(ov23_0224219C()) == 0) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 ov23_02254044(ov23_0224219C());
                 ov23_02250B34(param0, v0, 0);
                 ov23_02243204();
@@ -591,7 +591,7 @@ static void ov23_0224F914 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 14:
         if (ov23_02254238(ov23_0224219C()) == 0) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 UnkFuncPtr_ov23_0224F914 v2 = (UnkFuncPtr_ov23_0224F914)v0->unk_00;
 
                 v2(v0);
@@ -1533,7 +1533,7 @@ static void ov23_02250B9C (UnkStruct_0201CD38 * param0, void * param1)
         return;
     case 4:
         if (ov23_02254238(ov23_022421AC()) == 0) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 v0->unk_2AA = 2;
             }
         }
diff --git a/src/overlay023/ov23_0225128C.c b/src/overlay023/ov23_0225128C.c
index ffc51abc7d..46c82bd8ec 100644
--- a/src/overlay023/ov23_0225128C.c
+++ b/src/overlay023/ov23_0225128C.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02001AF4_decl.h"
@@ -588,7 +588,7 @@ static BOOL ov23_02251960 (UnkStruct_0201CD38 * param0, void * param1)
 static BOOL ov23_02251A58 (UnkStruct_ov23_02250CD4 * param0)
 {
     if (ov23_02254238(ov23_022421BC()) == 0) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov23_02254044(ov23_022421BC());
             return 1;
         }
@@ -715,7 +715,7 @@ static void ov23_02251C04 (UnkStruct_0201CD38 * param0, void * param1)
         v0->unk_2AA = 7;
         break;
     case 7:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov23_02253D10(v0->unk_270);
             v0->unk_270 = NULL;
             v0->unk_2AA = 0;
@@ -770,7 +770,7 @@ static void ov23_02251C04 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 16:
         if (ov23_02254238(ov23_022421BC()) == 0) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 if (!sub_02033DFC()) {
                     sub_0200AAE0(1, 0, -6, GX_BLEND_PLANEMASK_BG0, 1);
                 }
diff --git a/src/overlay023/ov23_022521F0.c b/src/overlay023/ov23_022521F0.c
index d40306478c..4078bd1fc4 100644
--- a/src/overlay023/ov23_022521F0.c
+++ b/src/overlay023/ov23_022521F0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "message.h"
@@ -717,7 +717,7 @@ static void ov23_02252E70 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 6:
         if (ov23_02254238(ov23_022421BC()) == 0) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 v0->unk_2AA = 7;
             }
         }
@@ -785,7 +785,7 @@ static void ov23_02252E70 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 9:
         if (ov23_02254238(ov23_022421BC()) == 0) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 if (v0->unk_2AC == 1) {
                     ov23_02252CF4(2, v0->unk_2A8);
                 } else if (v0->unk_2AC == 0) {
@@ -801,7 +801,7 @@ static void ov23_02252E70 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 10:
         if (ov23_02254238(ov23_022421BC()) == 0) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 ov23_02252C9C(8);
                 v0->unk_2AA = 2;
             }
@@ -882,7 +882,7 @@ static void ov23_02252E70 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 16:
         if (ov23_02254238(ov23_022421BC()) == 0) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 ov23_0225412C(ov23_022421BC(), v0->unk_27E[0]);
                 ov23_02252CE0(2, v0->unk_279[0]);
                 ov23_02252C9C(7);
@@ -899,7 +899,7 @@ static void ov23_02252E70 (UnkStruct_0201CD38 * param0, void * param1)
         break;
     case 18:
         if (ov23_02254238(ov23_022421BC()) == 0) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 ov23_02252CD4();
                 ov23_02252C78(v0);
                 ov23_02243204();
diff --git a/src/overlay023/ov23_02253598.c b/src/overlay023/ov23_02253598.c
index de68629fee..250be1d47e 100644
--- a/src/overlay023/ov23_02253598.c
+++ b/src/overlay023/ov23_02253598.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "message.h"
@@ -349,7 +349,7 @@ static void ov23_0225381C (UnkStruct_0201CD38 * param0, void * param1)
 {
     UnkStruct_ov23_022537D4 * v0 = param1;
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         ov23_022537D4(param0, param1);
     }
 }
diff --git a/src/overlay023/ov23_02253D40.c b/src/overlay023/ov23_02253D40.c
index 9dbe93cb82..ec04cbb874 100644
--- a/src/overlay023/ov23_02253D40.c
+++ b/src/overlay023/ov23_02253D40.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_0200B358_decl.h"
@@ -149,7 +149,7 @@ static void ov23_02253E40 (UnkStruct_0201CD38 * param0, void * param1)
         }
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         ov23_02254044(v0);
     }
 }
diff --git a/src/overlay023/ov23_02254A14.c b/src/overlay023/ov23_02254A14.c
index b7c04dc4f1..d01dcb69b5 100644
--- a/src/overlay023/ov23_02254A14.c
+++ b/src/overlay023/ov23_02254A14.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02029894_decl.h"
 #include "struct_decls/struct_020298B0_decl.h"
@@ -417,22 +417,22 @@ static BOOL ov23_02254DF8 (UnkStruct_020508D4 * param0)
             v12 = 1;
             v13 = v6->unk_3C.unk_00;
 
-            if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+            if (coresys.unk_4C & PAD_KEY_LEFT) {
                 v0 = -(FX32_ONE * 16);
                 v1 = 0;
                 v13.unk_00--;
                 v13.unk_08--;
-            } else if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+            } else if (coresys.unk_4C & PAD_KEY_RIGHT) {
                 v0 = (FX32_ONE * 16);
                 v1 = 0;
                 v13.unk_00++;
                 v13.unk_08++;
-            } else if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+            } else if (coresys.unk_4C & PAD_KEY_UP) {
                 v0 = 0;
                 v1 = -(FX32_ONE * 16);
                 v13.unk_04--;
                 v13.unk_0C--;
-            } else if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+            } else if (coresys.unk_4C & PAD_KEY_DOWN) {
                 v0 = 0;
                 v1 = (FX32_ONE * 16);
                 v13.unk_04++;
@@ -456,9 +456,9 @@ static BOOL ov23_02254DF8 (UnkStruct_020508D4 * param0)
                 }
             }
 
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 v4 = 1;
-            } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+            } else if (coresys.padInput & PAD_BUTTON_B) {
                 ov23_02254A94(v5, v6->unk_3C.unk_10);
                 v6->unk_04 = 0;
                 return 0;
@@ -572,22 +572,22 @@ static BOOL ov23_02255100 (UnkStruct_020508D4 * param0)
         v3 = v7->unk_4FC->unk_58.z;
 
         if (!v4) {
-            if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+            if (coresys.unk_4C & PAD_KEY_LEFT) {
                 sub_02005748(1509);
                 v2 -= (FX32_ONE * 16);
                 v1.unk_00--;
                 v1.unk_08--;
-            } else if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+            } else if (coresys.unk_4C & PAD_KEY_RIGHT) {
                 sub_02005748(1509);
                 v2 += (FX32_ONE * 16);
                 v1.unk_00++;
                 v1.unk_08++;
-            } else if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+            } else if (coresys.unk_4C & PAD_KEY_UP) {
                 sub_02005748(1509);
                 v3 -= (FX32_ONE * 16);
                 v1.unk_04--;
                 v1.unk_0C--;
-            } else if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+            } else if (coresys.unk_4C & PAD_KEY_DOWN) {
                 sub_02005748(1509);
                 v3 += (FX32_ONE * 16);
                 v1.unk_04++;
@@ -596,9 +596,9 @@ static BOOL ov23_02255100 (UnkStruct_020508D4 * param0)
                 v0 = 0;
             }
 
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 v5 = 1;
-            } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+            } else if (coresys.padInput & PAD_BUTTON_B) {
                 ov23_02255F20(v7->unk_4FC);
                 ov23_0225628C(v6, &v7->unk_4DC);
                 ov23_02255EBC(3, v7);
@@ -807,22 +807,22 @@ static BOOL ov23_02255580 (UnkStruct_020508D4 * param0)
         v3 = v7->unk_4FC->unk_58.z;
 
         if (!v4) {
-            if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+            if (coresys.unk_4C & PAD_KEY_LEFT) {
                 sub_02005748(1509);
                 v2 -= (FX32_ONE * 16);
                 v1.unk_00--;
                 v1.unk_08--;
-            } else if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+            } else if (coresys.unk_4C & PAD_KEY_RIGHT) {
                 sub_02005748(1509);
                 v2 += (FX32_ONE * 16);
                 v1.unk_00++;
                 v1.unk_08++;
-            } else if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+            } else if (coresys.unk_4C & PAD_KEY_UP) {
                 sub_02005748(1509);
                 v3 -= (FX32_ONE * 16);
                 v1.unk_04--;
                 v1.unk_0C--;
-            } else if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+            } else if (coresys.unk_4C & PAD_KEY_DOWN) {
                 sub_02005748(1509);
                 v3 += (FX32_ONE * 16);
                 v1.unk_04++;
@@ -831,9 +831,9 @@ static BOOL ov23_02255580 (UnkStruct_020508D4 * param0)
                 v0 = 0;
             }
 
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 v5 = 1;
-            } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+            } else if (coresys.padInput & PAD_BUTTON_B) {
                 ov23_02255F20(v7->unk_4FC);
                 ov23_0225628C(v6, &v7->unk_4DC);
                 ov23_02255EBC(3, v7);
@@ -945,22 +945,22 @@ static BOOL ov23_02255850 (UnkStruct_020508D4 * param0)
             v7 = 1;
             v8 = v6->unk_3C.unk_00;
 
-            if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+            if (coresys.unk_4C & PAD_KEY_LEFT) {
                 v0 = -(FX32_ONE * 16);
                 v1 = 0;
                 v8.unk_00--;
                 v8.unk_08--;
-            } else if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+            } else if (coresys.unk_4C & PAD_KEY_RIGHT) {
                 v0 = (FX32_ONE * 16);
                 v1 = 0;
                 v8.unk_00++;
                 v8.unk_08++;
-            } else if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+            } else if (coresys.unk_4C & PAD_KEY_UP) {
                 v0 = 0;
                 v1 = -(FX32_ONE * 16);
                 v8.unk_04--;
                 v8.unk_0C--;
-            } else if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+            } else if (coresys.unk_4C & PAD_KEY_DOWN) {
                 v0 = 0;
                 v1 = (FX32_ONE * 16);
                 v8.unk_04++;
@@ -984,9 +984,9 @@ static BOOL ov23_02255850 (UnkStruct_020508D4 * param0)
                 }
             }
 
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 v4 = 1;
-            } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+            } else if (coresys.padInput & PAD_BUTTON_B) {
                 ov23_02255BB8(&v6->unk_0C.unk_10, v6->unk_0C.unk_00, v6->unk_5C);
                 ov23_02255E8C(v6);
                 ov23_0225628C(v5, &v6->unk_4DC);
@@ -1367,7 +1367,7 @@ static void ov23_02255F40 (UnkStruct_0203CDB0 * param0, UnkStruct_ov23_02255A98
 
     v6 = param0->unk_8C;
 
-    ov23_02255F28(Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E, param2);
+    ov23_02255F28(coresys.unk_5C, coresys.unk_5E, param2);
 
     v1 = ov5_021EAFA4(param2->unk_00, param2->unk_04, v6);
     v2 = v1.x / (FX32_ONE * 16);
@@ -1409,7 +1409,7 @@ static void ov23_02256000 (UnkStruct_0203CDB0 * param0, UnkStruct_ov23_02256000
 
     v4 = param0->unk_8C;
 
-    ov23_02255F28(Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E, param1);
+    ov23_02255F28(coresys.unk_5C, coresys.unk_5E, param1);
 
     v1 = ov5_021EAFA4(param1->unk_00, param1->unk_04, v4);
     v2 = v1.x / (FX32_ONE * 16);
@@ -1439,14 +1439,14 @@ static BOOL ov23_02256098 (UnkStruct_ov23_02256098 * param0, UnkStruct_0203CDB0
     v1 = 0;
     *param2 = 0;
 
-    if (Unk_021BF67C.unk_60) {
-        if (!Unk_021BF67C.unk_44) {
+    if (coresys.touchInput) {
+        if (!coresys.unk_44) {
             param0->unk_4F0.unk_08 = 1;
             ov23_02255F40(param1, &(param0->unk_3C), &param0->unk_4F0);
         }
 
         v1 = 1;
-    } else if (Unk_021BF67C.unk_62) {
+    } else if (coresys.unk_62) {
         if (param0->unk_4F0.unk_08) {
             ov23_02255F40(param1, &(param0->unk_3C), &param0->unk_4F0);
         }
@@ -1470,14 +1470,14 @@ static BOOL ov23_02256104 (UnkStruct_ov23_02256098 * param0, UnkStruct_0203CDB0
     v1 = 0;
     *param2 = 0;
 
-    if (Unk_021BF67C.unk_60) {
-        if (!Unk_021BF67C.unk_44) {
+    if (coresys.touchInput) {
+        if (!coresys.unk_44) {
             param0->unk_4F0.unk_08 = 1;
             ov23_02256000(param1, &param0->unk_4F0, param0->unk_4FC);
         }
 
         v1 = 1;
-    } else if (Unk_021BF67C.unk_62) {
+    } else if (coresys.unk_62) {
         if (param0->unk_4F0.unk_08) {
             ov23_02256000(param1, &param0->unk_4F0, param0->unk_4FC);
         }
@@ -1501,8 +1501,8 @@ static BOOL ov23_02256174 (UnkStruct_ov23_02256098 * param0, UnkStruct_0203CDB0
     v1 = 0;
     *param2 = 0;
 
-    if (Unk_021BF67C.unk_60) {
-        if (!Unk_021BF67C.unk_44) {
+    if (coresys.touchInput) {
+        if (!coresys.unk_44) {
             param0->unk_4F0.unk_08 = 1;
             *param2 = 1;
             ov23_02256000(param1, &param0->unk_4F0, param0->unk_4FC);
@@ -1524,14 +1524,14 @@ static BOOL ov23_022561BC (UnkStruct_ov23_02256098 * param0, UnkStruct_0203CDB0
     v1 = 0;
     *param2 = 0;
 
-    if (Unk_021BF67C.unk_60) {
-        if (!Unk_021BF67C.unk_44) {
+    if (coresys.touchInput) {
+        if (!coresys.unk_44) {
             param0->unk_4F0.unk_08 = 1;
             ov23_02255F40(param1, &(param0->unk_3C), &param0->unk_4F0);
         }
 
         v1 = 1;
-    } else if (Unk_021BF67C.unk_62) {
+    } else if (coresys.unk_62) {
         if (param0->unk_4F0.unk_08) {
             ov23_02255F40(param1, &(param0->unk_3C), &param0->unk_4F0);
         }
diff --git a/src/overlay025/ov25_02255ACC.c b/src/overlay025/ov25_02255ACC.c
index 3dfe6add7d..1183ab7f54 100644
--- a/src/overlay025/ov25_02255ACC.c
+++ b/src/overlay025/ov25_02255ACC.c
@@ -95,7 +95,7 @@ void ov25_02255B50 (UnkStruct_ov25_02255B34 * param0)
     v1 = sub_0202278C();
 
     if (v1) {
-        v2 = sub_02022798();
+        v2 = TouchScreen_Tapped();
 
         for (v3 = 0; v3 < param0->unk_0C; v3++) {
             param0->unk_14[v3].unk_02 = param0->unk_14[v3].unk_01;
diff --git a/src/overlay031/ov31_022561C0.c b/src/overlay031/ov31_022561C0.c
index e17ce2f2ca..b70ab81a2d 100644
--- a/src/overlay031/ov31_022561C0.c
+++ b/src/overlay031/ov31_022561C0.c
@@ -262,7 +262,7 @@ static BOOL ov31_0225646C (UnkStruct_ov31_02256228 * param0)
                 v1 = (v1 - 16) / 8;
 
                 if ((v0 < 24) && (v1 < 20)) {
-                    if (((param0->unk_04 != v0) || (param0->unk_08 != v1)) || (sub_02022798() == 1)) {
+                    if (((param0->unk_04 != v0) || (param0->unk_08 != v1)) || (TouchScreen_Tapped() == 1)) {
                         param0->unk_0C.unk_00[v1][v0]++;
 
                         if (param0->unk_0C.unk_00[v1][v0] > 4) {
diff --git a/src/overlay032/ov32_022561C0.c b/src/overlay032/ov32_022561C0.c
index 6bf509b8ea..7391eb7bbd 100644
--- a/src/overlay032/ov32_022561C0.c
+++ b/src/overlay032/ov32_022561C0.c
@@ -157,7 +157,7 @@ static BOOL ov32_02256308 (UnkStruct_ov32_0225621C * param0)
         param0->unk_04.unk_64 = ov25_0225446C(&(param0->unk_04.unk_68), &(param0->unk_04.unk_6C));
 
         if (param0->unk_04.unk_64) {
-            param0->unk_04.unk_66 = sub_02022798();
+            param0->unk_04.unk_66 = TouchScreen_Tapped();
 
             if (param0->unk_04.unk_66) {
                 u32 v0 = ov32_02256B78(param0->unk_04.unk_68, param0->unk_04.unk_6C, param0->unk_04.unk_00);
diff --git a/src/overlay033/ov33_022561C0.c b/src/overlay033/ov33_022561C0.c
index a45179caf7..099bfba913 100644
--- a/src/overlay033/ov33_022561C0.c
+++ b/src/overlay033/ov33_022561C0.c
@@ -215,7 +215,7 @@ static BOOL ov33_022563D0 (UnkStruct_ov33_0225621C * param0)
 
     if (param0->unk_04.unk_4C) {
         if (((u32)(param0->unk_04.unk_50 - 16) < (u32)(207 - 16)) & ((u32)(param0->unk_04.unk_54 - 16) < (u32)(175 - 16))) {
-            param0->unk_04.unk_4E = sub_02022798();
+            param0->unk_04.unk_4E = TouchScreen_Tapped();
             return 0;
         }
 
diff --git a/src/overlay033/ov33_02256474.c b/src/overlay033/ov33_02256474.c
index 5db74dd6a1..90236223d8 100644
--- a/src/overlay033/ov33_02256474.c
+++ b/src/overlay033/ov33_02256474.c
@@ -2,7 +2,7 @@
 #include <string.h>
 
 #include "inlines.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -513,7 +513,7 @@ static void ov33_02256B08 (UnkStruct_ov33_02256474 * param0, const UnkStruct_ov3
 
 static void ov33_02256B3C (const char * param0, ...)
 {
-    if (Unk_021BF67C.unk_44 & PAD_BUTTON_B) {
+    if (coresys.unk_44 & PAD_BUTTON_B) {
         va_list v0;
         va_start(v0, param0);
         va_end(v0);
diff --git a/src/overlay056/ov56_022561C0.c b/src/overlay056/ov56_022561C0.c
index cfb0cd028f..ad662594c4 100644
--- a/src/overlay056/ov56_022561C0.c
+++ b/src/overlay056/ov56_022561C0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02009714_decl.h"
 #include "struct_decls/struct_02009DC8_decl.h"
@@ -607,7 +607,7 @@ static int ov56_02256A68 (UnkStruct_ov56_02256468 * param0)
             param0->unk_228 = v0 - 2;
             break;
         default:
-            if (Unk_021BF67C.unk_60 == 0) {
+            if (coresys.touchInput == 0) {
                 break;
             }
 
@@ -693,19 +693,19 @@ static int ov56_02256BC0 (UnkStruct_ov56_02256468 * param0)
 
 static void ov56_02256C84 (UnkStruct_ov56_02256468 * param0)
 {
-    if (Unk_021BF67C.unk_44 & PAD_BUTTON_L) {
+    if (coresys.unk_44 & PAD_BUTTON_L) {
         ov56_0225718C(param0, 0);
 
-        if (Unk_021BF67C.unk_4C & PAD_BUTTON_L) {
+        if (coresys.unk_4C & PAD_BUTTON_L) {
             if (param0->unk_2D8.unk_04 != 0) {
                 param0->unk_2D8.unk_04--;
                 sub_02005748(1509);
             }
         }
-    } else if (Unk_021BF67C.unk_44 & PAD_BUTTON_R) {
+    } else if (coresys.unk_44 & PAD_BUTTON_R) {
         ov56_0225718C(param0, 1);
 
-        if (Unk_021BF67C.unk_4C & PAD_BUTTON_R) {
+        if (coresys.unk_4C & PAD_BUTTON_R) {
             if (param0->unk_2D8.unk_04 < param0->unk_2D8.unk_00 - 3) {
                 param0->unk_2D8.unk_04++;
                 sub_02005748(1509);
@@ -935,10 +935,10 @@ static void ov56_0225712C (UnkStruct_ov56_02256468 * param0)
 {
     param0->unk_2EC = 0;
 
-    if (Unk_021BF67C.unk_60) {
+    if (coresys.touchInput) {
         param0->unk_2EC = 1;
     } else {
-        if (Unk_021BF67C.unk_62) {
+        if (coresys.unk_62) {
             param0->unk_2ED--;
 
             if (param0->unk_2ED < 0) {
diff --git a/src/overlay058/ov58_021D0D80.c b/src/overlay058/ov58_021D0D80.c
index 68d922d564..a64cab8252 100644
--- a/src/overlay058/ov58_021D0D80.c
+++ b/src/overlay058/ov58_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -890,7 +890,7 @@ static void ov58_021D1A80 (UnkStruct_02095EAC * param0)
     sub_02021CAC(param0->unk_23C[sub_0203608C()], 0);
 
     if (v1 != 0xffffffff) {
-        ov58_021D1A10(param0->unk_23C[sub_0203608C()], Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E);
+        ov58_021D1A10(param0->unk_23C[sub_0203608C()], coresys.unk_5C, coresys.unk_5E);
         sub_02021CAC(param0->unk_23C[sub_0203608C()], 1);
     }
 
diff --git a/src/overlay059/ov59_021D0D80.c b/src/overlay059/ov59_021D0D80.c
index f82461d9bb..386af47e91 100644
--- a/src/overlay059/ov59_021D0D80.c
+++ b/src/overlay059/ov59_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -759,7 +759,7 @@ static int ov59_021D1838 (UnkStruct_020961E8 * param0, int param1)
 
 static void ov59_021D1864 (UnkStruct_020961E8 * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         if (sub_0203608C() == 0) {
             if ((ov59_021D2528() == param0->unk_4AAC) && (param0->unk_4AB4 == 0)) {
                 u8 v0 = 1;
@@ -774,7 +774,7 @@ static void ov59_021D1864 (UnkStruct_020961E8 * param0)
                 sub_02005748(1522);
             }
         }
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    } else if (coresys.padInput & PAD_BUTTON_B) {
         if (sub_0203608C()) {
             if (param0->unk_4AA0 == 0) {
                 ov59_021D2628(param0, 4, 0);
@@ -876,7 +876,7 @@ static int ov59_021D1A44 (UnkStruct_020961E8 * param0, int param1)
 
     if (sub_0203608C()) {
         if (param0->unk_4AA0) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
                 sub_02005748(1522);
             }
 
@@ -885,7 +885,7 @@ static int ov59_021D1A44 (UnkStruct_020961E8 * param0, int param1)
         }
     } else {
         if (param0->unk_4AB4 != 0) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
                 sub_02005748(1522);
             }
 
@@ -1002,7 +1002,7 @@ static int ov59_021D1C64 (UnkStruct_020961E8 * param0, int param1)
     u32 v1;
 
     if ((ov59_021D2528() != param0->unk_4AAC) || (param0->unk_4AB4 != 0)) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
             sub_02005748(1522);
         }
 
@@ -1090,7 +1090,7 @@ static int ov59_021D1DC8 (UnkStruct_020961E8 * param0, int param1)
 {
     void * v0;
 
-    Unk_021BF67C.unk_68 = 1;
+    coresys.unk_68 = 1;
     v0 = sub_0202C1B4(51);
 
     sub_0202B758(param0->unk_08->unk_10, v0, 4);
@@ -1115,7 +1115,7 @@ static int ov59_021D1E0C (UnkStruct_020961E8 * param0, int param1)
 
         param0->unk_0C.unk_00 = 0;
         param0->unk_3B4 = 0;
-        Unk_021BF67C.unk_68 = 0;
+        coresys.unk_68 = 0;
         param0->unk_4AA4 = 0;
     }
 
@@ -1171,7 +1171,7 @@ static int ov59_021D1F24 (UnkStruct_020961E8 * param0, int param1)
     int v0;
 
     if ((param0->unk_4AAC != ov59_021D2528()) || (param0->unk_4AB4 != 0)) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
             sub_02005748(1522);
         }
 
diff --git a/src/overlay061/ov61_0222B008.c b/src/overlay061/ov61_0222B008.c
index 386435b85f..63977261d8 100644
--- a/src/overlay061/ov61_0222B008.c
+++ b/src/overlay061/ov61_0222B008.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "strbuf.h"
 #include "struct_decls/struct_02025E5C_decl.h"
@@ -156,7 +156,7 @@ static int ov61_0222B168 (UnkStruct_ov62_022349A8 * param0, UnkStruct_ov61_0222B
 
 static int ov61_0222B190 (UnkStruct_ov62_022349A8 * param0, UnkStruct_ov61_0222B138 * param1)
 {
-    if ((Unk_021BF67C.unk_48 & PAD_BUTTON_A) || (Unk_021BF67C.unk_48 & PAD_BUTTON_B)) {
+    if ((coresys.padInput & PAD_BUTTON_A) || (coresys.padInput & PAD_BUTTON_B)) {
         ov61_0222BB54(param0, NULL);
         return 1;
     }
diff --git a/src/overlay061/ov61_0222BF44.c b/src/overlay061/ov61_0222BF44.c
index cbc66543fb..fb2957e3de 100644
--- a/src/overlay061/ov61_0222BF44.c
+++ b/src/overlay061/ov61_0222BF44.c
@@ -3,7 +3,7 @@
 #include <dwc.h>
 
 #include "inlines.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02001AF4_decl.h"
@@ -196,7 +196,7 @@ int ov61_0222BF44 (UnkStruct_020067E8 * param0, int * param1)
     GXLayers_EngineBToggleLayers(GX_PLANEMASK_BG0, 1);
     GXLayers_EngineBToggleLayers(GX_PLANEMASK_BG1, 1);
 
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
 
     GXLayers_SwapDisplay();
     sub_02002AC8(1);
@@ -853,7 +853,7 @@ static int ov61_0222CC40 (UnkStruct_ov61_0222C664 * param0)
 
 static int ov61_0222CC64 (UnkStruct_ov61_0222C664 * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A || Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_A || coresys.padInput & PAD_BUTTON_B) {
         sub_0200DC9C(&param0->unk_64, 0);
         param0->unk_90 = 0;
 
diff --git a/src/overlay062/ov62_0222F2C0.c b/src/overlay062/ov62_0222F2C0.c
index 73624c06ca..a71336cda8 100644
--- a/src/overlay062/ov62_0222F2C0.c
+++ b/src/overlay062/ov62_0222F2C0.c
@@ -2,7 +2,7 @@
 #include <string.h>
 
 #include "overlay062/ov62_const_funcptr_tables.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02018340_decl.h"
 #include "struct_decls/struct_0202783C_decl.h"
@@ -308,7 +308,7 @@ static void ov62_0222F670 (UnkStruct_02018340 * param0)
 
 void ov62_0222F824 (int param0)
 {
-    Unk_021BF67C.unk_65 = param0;
+    coresys.unk_65 = param0;
     GXLayers_SwapDisplay();
 }
 
diff --git a/src/overlay062/ov62_02231690.c b/src/overlay062/ov62_02231690.c
index 793343f5b6..1e11bc2b17 100644
--- a/src/overlay062/ov62_02231690.c
+++ b/src/overlay062/ov62_02231690.c
@@ -3,7 +3,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02002F38_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -3284,7 +3284,7 @@ static void ov62_02234440 (UnkStruct_0208C06C * param0)
         param0->unk_41D8.unk_0C = NULL;
     }
 
-    if (Unk_021BF67C.unk_65 == 0) {
+    if (coresys.unk_65 == 0) {
         param0->unk_41D8.unk_08 = param0->unk_6F4;
     } else {
         param0->unk_41D8.unk_08 = param0->unk_6F0;
@@ -3688,7 +3688,7 @@ void ov62_022348FC (UnkStruct_0208C06C * param0)
 
         break;
     case 1:
-        if (sub_02022798()) {
+        if (TouchScreen_Tapped()) {
             ov62_02231B8C(param0);
             param0->unk_14.unk_4F0.unk_10++;
         }
diff --git a/src/overlay062/ov62_02235278.c b/src/overlay062/ov62_02235278.c
index a50652bf2c..7403ed132b 100644
--- a/src/overlay062/ov62_02235278.c
+++ b/src/overlay062/ov62_02235278.c
@@ -38,7 +38,7 @@ static int ov62_022352DC(void);
 
 static BOOL ov62_02235278 (UnkStruct_0208C06C * param0)
 {
-    if (sub_02022798() && (param0->unk_89C == 0)) {
+    if (TouchScreen_Tapped() && (param0->unk_89C == 0)) {
         ov62_02231A1C(param0);
     }
 
diff --git a/src/overlay062/ov62_02237D24.c b/src/overlay062/ov62_02237D24.c
index 82aa10b883..e5e627284f 100644
--- a/src/overlay062/ov62_02237D24.c
+++ b/src/overlay062/ov62_02237D24.c
@@ -890,7 +890,7 @@ static BOOL ov62_02238B70 (UnkStruct_0208C06C * param0)
         }
         break;
     default:
-        if (((++param0->unk_0C) >= (30 * 2)) || (sub_02022798() == 1)) {
+        if (((++param0->unk_0C) >= (30 * 2)) || (TouchScreen_Tapped() == 1)) {
             param0->unk_0C = 0;
             ov62_02231B8C(param0);
             ov62_0222FB60(param0, 3);
diff --git a/src/overlay062/ov62_02239D60.c b/src/overlay062/ov62_02239D60.c
index ef4d89f6e6..0e539b73ab 100644
--- a/src/overlay062/ov62_02239D60.c
+++ b/src/overlay062/ov62_02239D60.c
@@ -1708,7 +1708,7 @@ static BOOL ov62_0223B980 (UnkStruct_0208C06C * param0)
         }
         break;
     case 6:
-        if (((++param0->unk_0C) >= (30 * 2)) || (sub_02022798() == 1)) {
+        if (((++param0->unk_0C) >= (30 * 2)) || (TouchScreen_Tapped() == 1)) {
             param0->unk_0C = 0;
             ov62_02231B8C(param0);
             v0->unk_2F64 = 0;
diff --git a/src/overlay062/ov62_0223DFA8.c b/src/overlay062/ov62_0223DFA8.c
index 68337a9f84..193d839679 100644
--- a/src/overlay062/ov62_0223DFA8.c
+++ b/src/overlay062/ov62_0223DFA8.c
@@ -485,7 +485,7 @@ static BOOL ov62_0223E510 (UnkStruct_0208C06C * param0)
         ov62_0223E0FC(param0, 281, 0);
         break;
     case 6:
-        if (!sub_02022798()) {
+        if (!TouchScreen_Tapped()) {
             break;
         }
 
@@ -1926,7 +1926,7 @@ asm static BOOL ov62_022403F8 (UnkStruct_0208C06C * param0)
     str r0, [r4, #8]
     b _02240884
  _02240518:
-    bl sub_02022798
+    bl TouchScreen_Tapped
     cmp r0, #0
     bne _02240522
     b _02240884
diff --git a/src/overlay062/ov62_02241204.c b/src/overlay062/ov62_02241204.c
index c048fc0662..a9b3e250e6 100644
--- a/src/overlay062/ov62_02241204.c
+++ b/src/overlay062/ov62_02241204.c
@@ -2208,7 +2208,7 @@ static BOOL ov62_02243514 (UnkStruct_0208C06C * param0)
             param0->unk_08++;
             break;
         case 3:
-            if (!sub_02022798()) {
+            if (!TouchScreen_Tapped()) {
                 break;
             }
 
@@ -3315,7 +3315,7 @@ static BOOL ov62_02244CD4 (UnkStruct_0208C06C * param0)
             param0->unk_08++;
             break;
         case 3:
-            if (!sub_02022798()) {
+            if (!TouchScreen_Tapped()) {
                 break;
             }
 
@@ -3630,7 +3630,7 @@ static BOOL ov62_0224536C (UnkStruct_0208C06C * param0)
         }
         break;
     case 3:
-        if (!sub_02022798()) {
+        if (!TouchScreen_Tapped()) {
             break;
         }
 
@@ -4390,7 +4390,7 @@ static BOOL ov62_0224613C (UnkStruct_0208C06C * param0)
         ov62_02244AB4(param0, 281, 0);
         break;
     case 6:
-        if (!sub_02022798()) {
+        if (!TouchScreen_Tapped()) {
             break;
         }
 
diff --git a/src/overlay062/ov62_02247D74.c b/src/overlay062/ov62_02247D74.c
index cf5d68b7d2..a293d418c9 100644
--- a/src/overlay062/ov62_02247D74.c
+++ b/src/overlay062/ov62_02247D74.c
@@ -281,7 +281,7 @@ static BOOL ov62_02248114 (UnkStruct_0208C06C * param0)
         }
         break;
     default:
-        if (!sub_02022798()) {
+        if (!TouchScreen_Tapped()) {
             break;
         }
 
diff --git a/src/overlay064/ov64_0222DCE0.c b/src/overlay064/ov64_0222DCE0.c
index 555decbb2c..19e2df306a 100644
--- a/src/overlay064/ov64_0222DCE0.c
+++ b/src/overlay064/ov64_0222DCE0.c
@@ -4,7 +4,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "inlines.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
@@ -887,7 +887,7 @@ static void ov64_0222E164 (UnkStruct_ov64_0222E060 * param0)
 
 static void ov64_0222E1A4 (UnkStruct_ov64_0222E21C * param0, const UnkStruct_ov64_0222E060 * param1, u32 param2)
 {
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
     param0->unk_21C = NARC_ctor(NARC_INDEX_GRAPHIC__PL_WIFINOTE, param2);
 
@@ -1403,7 +1403,7 @@ static int ov64_0222EA70 (UnkStruct_ov64_0222F038 * param0, UnkStruct_ov64_0222E
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             ov64_0222F050(param0);
             param1->unk_04 = 3;
         }
@@ -1624,23 +1624,23 @@ static BOOL ov64_0222EE84 (UnkStruct_ov64_0222F038 * param0, UnkStruct_ov64_0222
 {
     BOOL v0 = 0;
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02005748(1501);
         return 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1501);
         param0->unk_00 = 3;
         return 1;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+    if (coresys.unk_4C & PAD_KEY_UP) {
         if (param0->unk_00 > 0) {
             param0->unk_00--;
             v0 = 1;
         }
-    } else if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+    } else if (coresys.unk_4C & PAD_KEY_DOWN) {
         if (param0->unk_00 < 3) {
             param0->unk_00++;
             v0 = 1;
@@ -1934,7 +1934,7 @@ static int ov64_0222F0C4 (UnkStruct_ov64_0222F0C4 * param0, UnkStruct_ov64_0222E
             break;
         }
 
-        if (Unk_021BF67C.unk_48) {
+        if (coresys.padInput) {
             ov64_0222EA28(param2, 1);
             param1->unk_04 = 2;
             ov64_0222FF18(param0);
@@ -2250,7 +2250,7 @@ static u32 ov64_0222F798 (UnkStruct_ov64_0222F0C4 * param0, UnkStruct_ov64_0222E
     BOOL v2;
     int v3;
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         if (param0->unk_04 == 8) {
             sub_02005748(1501);
             return 3;
@@ -2264,7 +2264,7 @@ static u32 ov64_0222F798 (UnkStruct_ov64_0222F0C4 * param0, UnkStruct_ov64_0222E
         return 4;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1501);
         return 3;
     }
@@ -2273,7 +2273,7 @@ static u32 ov64_0222F798 (UnkStruct_ov64_0222F0C4 * param0, UnkStruct_ov64_0222E
     v1 = 0;
     v2 = 0;
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+    if (coresys.unk_4C & PAD_KEY_UP) {
         if (param0->unk_04 == 8) {
             param0->unk_04 = param0->unk_06;
             v1 = 1;
@@ -2291,7 +2291,7 @@ static u32 ov64_0222F798 (UnkStruct_ov64_0222F0C4 * param0, UnkStruct_ov64_0222E
                 }
             }
         }
-    } else if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+    } else if (coresys.unk_4C & PAD_KEY_DOWN) {
         if ((param0->unk_04 == 3) || (param0->unk_04 == 7)) {
             param0->unk_04 = 8;
             v1 = 1;
@@ -2310,7 +2310,7 @@ static u32 ov64_0222F798 (UnkStruct_ov64_0222F0C4 * param0, UnkStruct_ov64_0222E
                 }
             }
         }
-    } else if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+    } else if (coresys.unk_4C & PAD_KEY_LEFT) {
         if (param0->unk_04 != 8) {
             if (param0->unk_04 < (8 / 2)) {
                 param0->unk_04 += (8 / 2);
@@ -2322,7 +2322,7 @@ static u32 ov64_0222F798 (UnkStruct_ov64_0222F0C4 * param0, UnkStruct_ov64_0222E
                 v1 = 1;
             }
         }
-    } else if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+    } else if (coresys.unk_4C & PAD_KEY_RIGHT) {
         if (param0->unk_04 != 8) {
             if (param0->unk_04 < (8 / 2)) {
                 param0->unk_04 += (8 / 2);
@@ -2952,7 +2952,7 @@ static int ov64_02230628 (UnkStruct_ov64_02230620 * param0, UnkStruct_ov64_0222E
         param1->unk_04 = 1;
         break;
     case 1:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1501);
             ov64_0222E074(param1, 0, 2);
             ov64_0223087C(param0, param2);
@@ -3194,30 +3194,30 @@ static int ov64_02230904 (UnkStruct_ov64_02230904 * param0, UnkStruct_ov64_0222E
         param1->unk_04 = 2;
         break;
     case 2:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1501);
             param1->unk_04 = 6;
         } else {
-            if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+            if (coresys.unk_4C & PAD_KEY_LEFT) {
                 ov64_02232138(param0, -1);
                 param1->unk_04 = 3;
                 param0->unk_08 = 2;
-            } else if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+            } else if (coresys.unk_4C & PAD_KEY_RIGHT) {
                 ov64_02232138(param0, 1);
                 param1->unk_04 = 3;
                 param0->unk_08 = 3;
-            } else if (Unk_021BF67C.unk_44 & PAD_KEY_UP) {
+            } else if (coresys.unk_44 & PAD_KEY_UP) {
                 param1->unk_04 = 5;
                 param0->unk_08 = 0;
                 param0->unk_0C = 4;
-            } else if (Unk_021BF67C.unk_44 & PAD_KEY_DOWN) {
+            } else if (coresys.unk_44 & PAD_KEY_DOWN) {
                 param1->unk_04 = 5;
                 param0->unk_08 = 1;
                 param0->unk_0C = 4;
             }
         }
 
-        if ((Unk_021BF67C.unk_44 & (PAD_KEY_UP | PAD_KEY_DOWN)) == 0) {
+        if ((coresys.unk_44 & (PAD_KEY_UP | PAD_KEY_DOWN)) == 0) {
             param0->unk_0E = 0;
         }
         break;
diff --git a/src/overlay065/ov65_0222DCE0.c b/src/overlay065/ov65_0222DCE0.c
index c82da04125..059eb9e1af 100644
--- a/src/overlay065/ov65_0222DCE0.c
+++ b/src/overlay065/ov65_0222DCE0.c
@@ -6,7 +6,7 @@
 
 #include "inlines.h"
 #include "assert.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -1695,7 +1695,7 @@ static int ov65_0222F1A8 (UnkStruct_ov65_0222EBE0 * param0, int param1)
 
 static int ov65_0222F21C (UnkStruct_ov65_0222EBE0 * param0, int param1)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B | PAD_BUTTON_A)) {
+    if (coresys.padInput & (PAD_BUTTON_B | PAD_BUTTON_A)) {
         ov65_02232CA8(param0, 21);
         sub_02019060(3, 0);
         sub_02019060(2, 1);
@@ -1967,7 +1967,7 @@ static void ov65_0222F6EC (UnkStruct_ov65_0222EBE0 * param0)
 
 static int ov65_0222F7AC (UnkStruct_ov65_0222EBE0 * param0, int param1)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B | PAD_BUTTON_A)) {
+    if (coresys.padInput & (PAD_BUTTON_B | PAD_BUTTON_A)) {
         if (sub_0201A7CC(&param0->unk_360)) {
             sub_0200E084(&param0->unk_360, 0);
             sub_0201A8FC(&param0->unk_360);
@@ -1998,7 +1998,7 @@ static int ov65_0222F808 (UnkStruct_ov65_0222EBE0 * param0, int param1)
         return param1;
     }
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B | PAD_BUTTON_A)) {
+    if (coresys.padInput & (PAD_BUTTON_B | PAD_BUTTON_A)) {
         if (sub_0201A7CC(&param0->unk_360)) {
             sub_0200E084(&param0->unk_360, 0);
             sub_0201A8FC(&param0->unk_360);
@@ -2279,7 +2279,7 @@ static int ov65_0222FCB8 (UnkStruct_ov65_0222EBE0 * param0, int param1)
 
 static int ov65_0222FCDC (UnkStruct_ov65_0222EBE0 * param0, int param1)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B | PAD_BUTTON_A)) {
+    if (coresys.padInput & (PAD_BUTTON_B | PAD_BUTTON_A)) {
         if (param0->unk_3B4 == 1) {
             param0->unk_3AC = 10;
             param0->unk_3A8 = 34;
@@ -2608,7 +2608,7 @@ static int ov65_022302C4 (UnkStruct_ov65_0222EBE0 * param0, int param1)
 
     if (ov65_0223537C(&param0->unk_3EC) == 0) {
         if (ov4_021D2568() == -1) {
-            if (PAD_BUTTON_X & Unk_021BF67C.unk_48) {
+            if (PAD_BUTTON_X & coresys.padInput) {
                 if (ov65_02232F00(param0)) {
                     ov65_02232B58(param0, 90, 0);
                 } else {
@@ -2667,7 +2667,7 @@ static int ov65_022302C4 (UnkStruct_ov65_0222EBE0 * param0, int param1)
     v4 = ov65_0222DD20(param0, &param0->unk_04->unk_00);
 
     if (param0->unk_3D0 == -1) {
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             if (ov65_0222DDFC(v4)) {
                 sub_02005748(1501);
                 param0->unk_3A8 = 39;
@@ -2838,7 +2838,7 @@ static int ov65_022307B0 (UnkStruct_ov65_0222EBE0 * param0, int param1)
     }
 
     if (sub_0201D724(param0->unk_180) == 0) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B | PAD_BUTTON_A)) {
+        if (coresys.padInput & (PAD_BUTTON_B | PAD_BUTTON_A)) {
             ov65_02232DFC(param0);
             param0->unk_3A8 = 24;
         } else {
@@ -2884,7 +2884,7 @@ static int ov65_02230860 (UnkStruct_ov65_0222EBE0 * param0, int param1)
         ov65_02232DC0(param0, ov4_021D2388());
         ov65_02232B58(param0, 16, 0);
         param0->unk_3A8 = 27;
-    } else if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B | PAD_BUTTON_A)) {
+    } else if (coresys.padInput & (PAD_BUTTON_B | PAD_BUTTON_A)) {
         ov65_02232B58(param0, 20, 0);
         param0->unk_3A8 = 25;
     } else {
@@ -2974,7 +2974,7 @@ static int ov65_02230AF8 (UnkStruct_ov65_0222EBE0 * param0, int param1)
 
     param0->unk_3BC--;
 
-    if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_B | PAD_BUTTON_A)) || (param0->unk_3BC == 0)) {
+    if ((coresys.padInput & (PAD_BUTTON_B | PAD_BUTTON_A)) || (param0->unk_3BC == 0)) {
         ov65_02232DFC(param0);
         sub_02038378();
         sub_02038B60();
@@ -3002,7 +3002,7 @@ static int ov65_02230BB4 (UnkStruct_ov65_0222EBE0 * param0, int param1)
         return param1;
     }
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B | PAD_BUTTON_A)) {
+    if (coresys.padInput & (PAD_BUTTON_B | PAD_BUTTON_A)) {
         ov65_02232DFC(param0);
         ov65_02232E58(param0, 16);
         sub_02038378();
@@ -3027,7 +3027,7 @@ static int ov65_02230C04 (UnkStruct_ov65_0222EBE0 * param0, int param1)
 
     param0->unk_3BC--;
 
-    if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_B | PAD_BUTTON_A)) || (param0->unk_3BC == 0)) {
+    if ((coresys.padInput & (PAD_BUTTON_B | PAD_BUTTON_A)) || (param0->unk_3BC == 0)) {
         ov65_02232DFC(param0);
         ov65_02232E58(param0, 16);
 
@@ -3071,7 +3071,7 @@ static int ov65_02230CB8 (UnkStruct_ov65_0222EBE0 * param0, int param1)
         return param1;
     }
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B | PAD_BUTTON_A)) {
+    if (coresys.padInput & (PAD_BUTTON_B | PAD_BUTTON_A)) {
         ov65_02232B58(param0, 26, 1);
         param0->unk_3A8 = 59;
         param0->unk_3BC = 1;
@@ -4436,7 +4436,7 @@ static int ov65_02232564 (UnkStruct_ov65_0222EBE0 * param0, int param1)
         param0->unk_3A8 = 56;
     }
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B | PAD_BUTTON_A)) {
+    if (coresys.padInput & (PAD_BUTTON_B | PAD_BUTTON_A)) {
         param0->unk_3A8 = 56;
     }
 
@@ -5075,7 +5075,7 @@ static BOOL ov65_02233208 (UnkStruct_ov65_0222EBE0 * param0, u32 param1)
         return 0;
     }
 
-    if ((Unk_021BF67C.unk_44 & (PAD_KEY_LEFT | PAD_KEY_RIGHT | PAD_KEY_UP | PAD_KEY_DOWN)) || (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_BUTTON_X)) || (param1 == 2)) {
+    if ((coresys.unk_44 & (PAD_KEY_LEFT | PAD_KEY_RIGHT | PAD_KEY_UP | PAD_KEY_DOWN)) || (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_BUTTON_X)) || (param1 == 2)) {
         return 1;
     }
 
diff --git a/src/overlay065/ov65_02235060.c b/src/overlay065/ov65_02235060.c
index 13058e11e6..1be94ad5cf 100644
--- a/src/overlay065/ov65_02235060.c
+++ b/src/overlay065/ov65_02235060.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -199,12 +199,12 @@ u32 ov65_02235198 (UnkStruct_ov65_02235130 * param0)
         if (v0 == 1) {
             ov65_02235B30(param0);
 
-            if (Unk_021BF67C.unk_44 & PAD_KEY_DOWN) {
+            if (coresys.unk_44 & PAD_KEY_DOWN) {
                 return 1;
             }
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             if (ov65_02235254(param0) > 0) {
                 return 2;
             } else if (ov65_02235654(param0) == 1) {
@@ -987,7 +987,7 @@ static BOOL ov65_02236044 (UnkStruct_ov65_02235130 * param0, UnkStruct_ov65_0223
         return 0;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         v4 = ov65_022357A8(param0, param1, v0);
 
         if (v4 != NULL) {
@@ -1005,31 +1005,31 @@ static BOOL ov65_02236044 (UnkStruct_ov65_02235130 * param0, UnkStruct_ov65_0223
         return 0;
     }
 
-    if (Unk_021BF67C.unk_44 & PAD_BUTTON_B) {
+    if (coresys.unk_44 & PAD_BUTTON_B) {
         v3 = 3;
     } else {
         v3 = 2;
     }
 
-    if (Unk_021BF67C.unk_44 & PAD_KEY_UP) {
+    if (coresys.unk_44 & PAD_KEY_UP) {
         if (v0 == 0) {
             ov65_02236230(param0, v3, v0, v1);
         } else {
             ov65_02236230(param0, 1, 0, v1);
         }
-    } else if (Unk_021BF67C.unk_44 & PAD_KEY_DOWN) {
+    } else if (coresys.unk_44 & PAD_KEY_DOWN) {
         if (v0 == 1) {
             ov65_02236230(param0, v3, v0, v1);
         } else {
             ov65_02236230(param0, 1, 1, v1);
         }
-    } else if (Unk_021BF67C.unk_44 & PAD_KEY_LEFT) {
+    } else if (coresys.unk_44 & PAD_KEY_LEFT) {
         if (v0 == 2) {
             ov65_02236230(param0, v3, v0, v1);
         } else {
             ov65_02236230(param0, 1, 2, v1);
         }
-    } else if (Unk_021BF67C.unk_44 & PAD_KEY_RIGHT) {
+    } else if (coresys.unk_44 & PAD_KEY_RIGHT) {
         if (v0 == 3) {
             ov65_02236230(param0, v3, v0, v1);
         } else {
diff --git a/src/overlay065/ov65_0223648C.c b/src/overlay065/ov65_0223648C.c
index 4c0525c4a7..51c72605c3 100644
--- a/src/overlay065/ov65_0223648C.c
+++ b/src/overlay065/ov65_0223648C.c
@@ -3,7 +3,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -1708,7 +1708,7 @@ static BOOL ov65_02237AC0 (UnkStruct_ov65_022367A8 * param0, UnkStruct_0207DE04
     }
 
     do {
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             sub_02005748(1501);
 
             if (ov65_02237450(param0) == 0) {
@@ -1725,7 +1725,7 @@ static BOOL ov65_02237AC0 (UnkStruct_ov65_022367A8 * param0, UnkStruct_0207DE04
             }
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             sub_02005748(1501);
             param0->unk_00.unk_05 = 22;
             break;
@@ -1737,7 +1737,7 @@ static BOOL ov65_02237AC0 (UnkStruct_ov65_022367A8 * param0, UnkStruct_0207DE04
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_X) {
+        if (coresys.padInput & PAD_BUTTON_X) {
             param0->unk_00.unk_05 = 30;
             sub_02005748(1501);
             break;
@@ -2443,7 +2443,7 @@ static BOOL ov65_022383D0 (UnkStruct_ov65_022367A8 * param0, UnkStruct_0207DE04
         ov65_0223789C(param0);
         param0->unk_00.unk_05 = 11;
     } else {
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_X) {
+        if (coresys.padInput & PAD_BUTTON_X) {
             ov65_022378C4(param0, param1, param2);
             param0->unk_00.unk_05 = 18;
         }
diff --git a/src/overlay067/ov67_0225C700.c b/src/overlay067/ov67_0225C700.c
index dfb8f4580e..a61d39a74c 100644
--- a/src/overlay067/ov67_0225C700.c
+++ b/src/overlay067/ov67_0225C700.c
@@ -2,7 +2,7 @@
 #include <string.h>
 
 #include "inlines.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -317,7 +317,7 @@ int ov67_0225C820 (UnkStruct_020067E8 * param0, int * param1)
     }
     break;
     case 10:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             int v8;
             int v9;
 
diff --git a/src/overlay068/ov68_0225C700.c b/src/overlay068/ov68_0225C700.c
index d2651ac0f9..41a73baa9c 100644
--- a/src/overlay068/ov68_0225C700.c
+++ b/src/overlay068/ov68_0225C700.c
@@ -3,7 +3,7 @@
 #include <dwc.h>
 #include <ppwlobby/ppw_lobby.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -490,7 +490,7 @@ static void ov68_0225C9A0 (UnkStruct_ov68_0225C91C * param0, UnkStruct_020279FC
     sub_02018368(&Unk_ov68_0225DD48);
 
     param0->unk_00 = sub_02018340(param2);
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
 
     GXLayers_SwapDisplay();
 
@@ -780,18 +780,18 @@ static BOOL ov68_0225CE48 (UnkStruct_ov68_0225D0F8 * param0, UnkStruct_ov68_0225
         param0->unk_28 = 5;
         break;
     case 5:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             sub_02005748(1500);
             param0->unk_28++;
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+        if (coresys.padInput & PAD_KEY_UP) {
             if ((param0->unk_10 - 1) >= 0) {
                 sub_02005748(1504);
                 param0->unk_10--;
             }
-        } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+        } else if (coresys.padInput & PAD_KEY_DOWN) {
             if ((param0->unk_10 + 1) < 3) {
                 sub_02005748(1504);
                 param0->unk_10++;
@@ -1104,7 +1104,7 @@ static BOOL ov68_0225D478 (UnkStruct_ov68_0225D388 * param0, UnkStruct_ov68_0225
         param0->unk_60 = 22;
         break;
     case 2:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             v0 = ov68_0225CBEC(param1, 0, 104);
             ov68_0225D1B4(param3, v0);
             param0->unk_62 = 3;
@@ -1153,7 +1153,7 @@ static BOOL ov68_0225D478 (UnkStruct_ov68_0225D388 * param0, UnkStruct_ov68_0225
     }
     break;
     case 6:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             if (param0->unk_A8.unk_00 != (PPW_LOBBY_INVALID_QUESTION_NO)) {
                 param0->unk_60 = 7;
             } else {
@@ -1224,7 +1224,7 @@ static BOOL ov68_0225D478 (UnkStruct_ov68_0225D388 * param0, UnkStruct_ov68_0225
         param0->unk_60 = 22;
         break;
     case 15:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             v0 = ov68_0225CBEC(param1, 0, 114);
             ov68_0225D1B4(param3, v0);
             param0->unk_62 = 16;
@@ -1272,7 +1272,7 @@ static BOOL ov68_0225D478 (UnkStruct_ov68_0225D388 * param0, UnkStruct_ov68_0225
     }
     break;
     case 19:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             param0->unk_60 = 20;
         }
         break;
diff --git a/src/overlay069/ov69_0225C700.c b/src/overlay069/ov69_0225C700.c
index 25db7558b1..e9b67e4e42 100644
--- a/src/overlay069/ov69_0225C700.c
+++ b/src/overlay069/ov69_0225C700.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -926,8 +926,8 @@ static void ov69_0225CBE4 (int param0, int param1, int * param2, int * param3, i
     int v2 = 0;
     int v3 = 0;
 
-    if (Unk_021BF67C.unk_5C != 0xffff) {
-        v2 = Unk_021BF67C.unk_5C - param0;
+    if (coresys.unk_5C != 0xffff) {
+        v2 = coresys.unk_5C - param0;
 
         if (v2 < 0) {
             v2 ^= -1;
@@ -944,8 +944,8 @@ static void ov69_0225CBE4 (int param0, int param1, int * param2, int * param3, i
     *param2 = v0;
     *param3 = v2;
 
-    if (Unk_021BF67C.unk_5E != 0xffff) {
-        v3 = Unk_021BF67C.unk_5E - param1;
+    if (coresys.unk_5E != 0xffff) {
+        v3 = coresys.unk_5E - param1;
 
         if (v3 < 0) {
             v3 ^= -1;
@@ -1178,7 +1178,7 @@ static u32 ov69_0225CF9C (UnkStruct_ov69_0225CE64 * param0)
         sub_02005748(1501);
         return 2;
     } else {
-        if ((Unk_021BF67C.unk_48 & PAD_BUTTON_X)) {
+        if ((coresys.padInput & PAD_BUTTON_X)) {
             {
                 UnkStruct_ov69_0225E0C0 v2;
 
@@ -1200,7 +1200,7 @@ static u32 ov69_0225CF9C (UnkStruct_ov69_0225CE64 * param0)
                 }
             }
         } else {
-            v0 = ov69_0225CC54(param0, Unk_021BF67C.unk_48, Unk_021BF67C.unk_44);
+            v0 = ov69_0225CC54(param0, coresys.padInput, coresys.unk_44);
         }
     }
 
@@ -1430,7 +1430,7 @@ static void ov69_0225D3A4 (UnkStruct_ov69_0225D35C * param0, UnkStruct_020279FC
     sub_02018368(&Unk_ov69_0225F040);
 
     param0->unk_00 = sub_02018340(param2);
-    Unk_021BF67C.unk_65 = 1;
+    coresys.unk_65 = 1;
 
     GXLayers_SwapDisplay();
 
@@ -1482,7 +1482,7 @@ static void ov69_0225D504 (UnkStruct_ov69_0225D35C * param0)
     }
 
     Heap_FreeToHeap(param0->unk_00);
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
 }
 
@@ -1878,8 +1878,8 @@ static void ov69_0225DC54 (UnkStruct_ov69_0225DC48 * param0)
 
     param0->unk_00 = 0;
 
-    if (Unk_021BF67C.unk_60) {
-        if ((Unk_021BF67C.unk_5C >= (25 * 8)) && (Unk_021BF67C.unk_5C <= ((25 + 6) * 8)) && (Unk_021BF67C.unk_5E >= (21 * 8)) && (Unk_021BF67C.unk_5E <= ((21 + 2) * 8))) {
+    if (coresys.touchInput) {
+        if ((coresys.unk_5C >= (25 * 8)) && (coresys.unk_5C <= ((25 + 6) * 8)) && (coresys.unk_5E >= (21 * 8)) && (coresys.unk_5E <= ((21 + 2) * 8))) {
             param0->unk_00 = PAD_BUTTON_B;
             return;
         } else {
@@ -1888,13 +1888,13 @@ static void ov69_0225DC54 (UnkStruct_ov69_0225DC48 * param0)
             param0->unk_14 = 0;
             param0->unk_18 = 0;
             param0->unk_00 = 0;
-            param0->unk_08 = Unk_021BF67C.unk_5C;
-            param0->unk_0C = Unk_021BF67C.unk_5E;
+            param0->unk_08 = coresys.unk_5C;
+            param0->unk_0C = coresys.unk_5E;
             param0->unk_18 = 4;
         }
     }
 
-    if (Unk_021BF67C.unk_62) {
+    if (coresys.unk_62) {
         switch (param0->unk_04) {
         case 0:
 
@@ -1908,8 +1908,8 @@ static void ov69_0225DC54 (UnkStruct_ov69_0225DC48 * param0)
             param0->unk_00 = v0 | v2;
             param0->unk_10 = v1;
             param0->unk_14 = v3;
-            param0->unk_08 = Unk_021BF67C.unk_5C;
-            param0->unk_0C = Unk_021BF67C.unk_5E;
+            param0->unk_08 = coresys.unk_5C;
+            param0->unk_0C = coresys.unk_5E;
             break;
         }
     } else {
diff --git a/src/overlay070/ov70_0225C9B4.c b/src/overlay070/ov70_0225C9B4.c
index 02f0d1b3a0..a6f27cfc76 100644
--- a/src/overlay070/ov70_0225C9B4.c
+++ b/src/overlay070/ov70_0225C9B4.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "overlay063/struct_ov63_0222BCE8_decl.h"
 #include "overlay063/struct_ov63_0222BE18_decl.h"
@@ -805,31 +805,31 @@ static void ov70_0225D310 (UnkStruct_ov70_0225CC54 * param0, UnkStruct_ov70_0225
         return;
     }
 
-    if (Unk_021BF67C.unk_44 & PAD_BUTTON_B) {
+    if (coresys.unk_44 & PAD_BUTTON_B) {
         v3 = 3;
     } else {
         v3 = 2;
     }
 
-    if (Unk_021BF67C.unk_44 & PAD_KEY_UP) {
+    if (coresys.unk_44 & PAD_KEY_UP) {
         if (v0 == 0) {
             ov70_0225D17C(param1, v3, v0, v1);
         } else {
             ov70_0225D17C(param1, 1, 0, v1);
         }
-    } else if (Unk_021BF67C.unk_44 & PAD_KEY_DOWN) {
+    } else if (coresys.unk_44 & PAD_KEY_DOWN) {
         if (v0 == 1) {
             ov70_0225D17C(param1, v3, v0, v1);
         } else {
             ov70_0225D17C(param1, 1, 1, v1);
         }
-    } else if (Unk_021BF67C.unk_44 & PAD_KEY_LEFT) {
+    } else if (coresys.unk_44 & PAD_KEY_LEFT) {
         if (v0 == 2) {
             ov70_0225D17C(param1, v3, v0, v1);
         } else {
             ov70_0225D17C(param1, 1, 2, v1);
         }
-    } else if (Unk_021BF67C.unk_44 & PAD_KEY_RIGHT) {
+    } else if (coresys.unk_44 & PAD_KEY_RIGHT) {
         if (v0 == 3) {
             ov70_0225D17C(param1, v3, v0, v1);
         } else {
diff --git a/src/overlay070/ov70_0225D9A4.c b/src/overlay070/ov70_0225D9A4.c
index a73c1b0834..dbb5819921 100644
--- a/src/overlay070/ov70_0225D9A4.c
+++ b/src/overlay070/ov70_0225D9A4.c
@@ -4,7 +4,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -742,7 +742,7 @@ int ov70_0225DB90 (UnkStruct_020067E8 * param0, int * param1)
     }
     break;
     case 4:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             (*param1) = 7;
         }
         break;
@@ -1293,7 +1293,7 @@ static void ov70_0225E4EC (UnkStruct_ov70_0225E4EC * param0, SaveData * param1,
 
     sub_0201DBEC(32, param2);
     GXLayers_SetBanks(&Unk_ov70_0226D664);
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
 
     {
diff --git a/src/overlay070/ov70_022630A4.c b/src/overlay070/ov70_022630A4.c
index 8c018e436e..04c8f65cee 100644
--- a/src/overlay070/ov70_022630A4.c
+++ b/src/overlay070/ov70_022630A4.c
@@ -4,7 +4,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "strbuf.h"
 #include "overlay066/struct_ov66_0222DFF8_decl.h"
@@ -465,7 +465,7 @@ static BOOL ov70_02263120 (int param0)
         break;
     }
 
-    if (Unk_021BF67C.unk_44 & v0) {
+    if (coresys.unk_44 & v0) {
         return 1;
     }
 
@@ -905,7 +905,7 @@ static BOOL ov70_02263414 (UnkStruct_ov70_02263344 * param0, UnkStruct_ov70_0225
         ov70_02262E88(param0, 21);
         break;
     case 18:
-        if (!((sub_020057D4(1448) == 0) && (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)))) {
+        if (!((sub_020057D4(1448) == 0) && (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)))) {
             break;
         }
 
@@ -1333,7 +1333,7 @@ static BOOL ov70_02263CC8 (UnkStruct_ov70_02263344 * param0, UnkStruct_ov70_0225
                     return 0;
                 }
 
-                if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+                if (coresys.padInput & PAD_BUTTON_A) {
                     {
                         UnkStruct_ov70_0225CC54 * v17;
                         u32 v18;
@@ -1421,7 +1421,7 @@ static BOOL ov70_02263CC8 (UnkStruct_ov70_02263344 * param0, UnkStruct_ov70_0225
                     }
                 }
 
-                if (Unk_021BF67C.unk_48 & PAD_BUTTON_X) {
+                if (coresys.padInput & PAD_BUTTON_X) {
                     if (ov70_0225E3F0(param1) == 0) {
                         ov70_0225E328(param1, ov66_0222E338(v11), 0);
                         sub_02005748(1500);
@@ -2480,7 +2480,7 @@ static BOOL ov70_02264D38 (UnkStruct_ov70_02263344 * param0, UnkStruct_ov70_0225
         }
         break;
     case 2:
-        if ((Unk_021BF67C.unk_48 & PAD_BUTTON_B) || (Unk_021BF67C.unk_48 & PAD_KEY_DOWN)) {
+        if ((coresys.padInput & PAD_BUTTON_B) || (coresys.padInput & PAD_KEY_DOWN)) {
             ov66_0222EBC4(v4, param2);
             ov70_0225DFCC(param1);
             v0->unk_0A = 6;
diff --git a/src/overlay070/ov70_02265F38.c b/src/overlay070/ov70_02265F38.c
index 9d153b137c..66cbec6774 100644
--- a/src/overlay070/ov70_02265F38.c
+++ b/src/overlay070/ov70_02265F38.c
@@ -4,7 +4,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "strbuf.h"
 #include "overlay066/struct_ov66_0222DFF8_decl.h"
@@ -345,7 +345,7 @@ BOOL ov70_02265F38 (UnkStruct_ov70_02263344 * param0, UnkStruct_ov70_0225DEE8 *
         }
 
         if (v0->unk_14 == 0) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+            if (coresys.padInput & PAD_BUTTON_B) {
                 sub_02005748(1500);
 
                 if (ov66_02233374() == 0) {
@@ -831,7 +831,7 @@ BOOL ov70_022669FC (UnkStruct_ov70_02263344 * param0, UnkStruct_ov70_0225DEE8 *
     }
     break;
     case 1:
-        if ((Unk_021BF67C.unk_48 & PAD_BUTTON_A) || (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) || (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) || (Unk_021BF67C.unk_48 & PAD_KEY_DOWN)) {
+        if ((coresys.padInput & PAD_BUTTON_A) || (coresys.padInput & PAD_KEY_RIGHT) || (coresys.padInput & PAD_KEY_LEFT) || (coresys.padInput & PAD_KEY_DOWN)) {
             ov70_02266CB0(&v0->unk_00, param1);
             ov70_0225DFEC(param1);
 
diff --git a/src/overlay070/ov70_02269190.c b/src/overlay070/ov70_02269190.c
index 6eb162663b..4ad972c1b9 100644
--- a/src/overlay070/ov70_02269190.c
+++ b/src/overlay070/ov70_02269190.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "overlay066/struct_ov66_0222DFF8_decl.h"
@@ -1941,19 +1941,19 @@ static BOOL ov70_0226AC24 (UnkStruct_ov70_02269204 * param0, UnkStruct_ov70_0226
     if (param1->unk_08 == ov70_0225CCAC(param0->unk_04)) {
         u32 v4 = 4;
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+        if (coresys.padInput & PAD_KEY_UP) {
             v4 = 0;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+        if (coresys.padInput & PAD_KEY_DOWN) {
             v4 = 1;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+        if (coresys.padInput & PAD_KEY_RIGHT) {
             v4 = 3;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+        if (coresys.padInput & PAD_KEY_LEFT) {
             v4 = 2;
         }
 
diff --git a/src/overlay071/ov71_0223B140.c b/src/overlay071/ov71_0223B140.c
index 49880355e7..dac80c0397 100644
--- a/src/overlay071/ov71_0223B140.c
+++ b/src/overlay071/ov71_0223B140.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -939,7 +939,7 @@ static int ov71_0223BEF8 (UnkStruct_ov71_0223B620 * param0)
 
     param0->unk_30D4 = 0xffffffff;
 
-    if (Unk_021BF67C.unk_60) {
+    if (coresys.touchInput) {
         param0->unk_30C4 = 1;
     }
 
@@ -948,7 +948,7 @@ static int ov71_0223BEF8 (UnkStruct_ov71_0223B620 * param0)
     if (param0->unk_30D4 != 0xffffffff) {
         v1 = 1;
         v0 = 1;
-    } else if (Unk_021BF67C.unk_62) {
+    } else if (coresys.unk_62) {
         param0->unk_30D4 = ov71_0223C654(param0->unk_00, Unk_ov71_0223D4D0[param0->unk_B4->unk_04_0].unk_00[param0->unk_337C]);
 
         if (param0->unk_30C4) {
@@ -960,9 +960,9 @@ static int ov71_0223BEF8 (UnkStruct_ov71_0223B620 * param0)
     }
 
     if (v1 == 0) {
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             v0 = 3;
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        } else if (coresys.padInput & PAD_BUTTON_B) {
             v0 = 4;
         }
     }
@@ -977,23 +977,23 @@ static void ov71_0223BFBC (UnkStruct_ov71_0223B620 * param0)
 
     v0 = 0;
 
-    if ((Unk_021BF67C.unk_5C != 0xffff) && (Unk_021BF67C.unk_5E != 0xffff) && (param0->unk_30DC != 0xffff) && (param0->unk_30E0 != 0xffff)) {
+    if ((coresys.unk_5C != 0xffff) && (coresys.unk_5E != 0xffff) && (param0->unk_30DC != 0xffff) && (param0->unk_30E0 != 0xffff)) {
         if ((param0->unk_30D4 != 0xffffffff) && (param0->unk_30D4 != 0)) {
             if (param0->unk_B4->unk_48[param0->unk_30D4 - 1].unk_00_0) {
-                if (param0->unk_30DC > Unk_021BF67C.unk_5C) {
-                    v1 = param0->unk_30DC - Unk_021BF67C.unk_5C;
+                if (param0->unk_30DC > coresys.unk_5C) {
+                    v1 = param0->unk_30DC - coresys.unk_5C;
                     param0->unk_3364.unk_02 = -1;
                 } else {
-                    v1 = Unk_021BF67C.unk_5C - param0->unk_30DC;
+                    v1 = coresys.unk_5C - param0->unk_30DC;
                     param0->unk_3364.unk_02 = 1;
                 }
 
                 if ((v1 >= 3) && (v1 <= 40)) {
-                    if (param0->unk_30E0 > Unk_021BF67C.unk_5E) {
-                        v1 = param0->unk_30E0 - Unk_021BF67C.unk_5E;
+                    if (param0->unk_30E0 > coresys.unk_5E) {
+                        v1 = param0->unk_30E0 - coresys.unk_5E;
                         param0->unk_3364.unk_03 = -1;
                     } else {
-                        v1 = Unk_021BF67C.unk_5E - param0->unk_30E0;
+                        v1 = coresys.unk_5E - param0->unk_30E0;
                         param0->unk_3364.unk_03 = 1;
                     }
 
@@ -1004,11 +1004,11 @@ static void ov71_0223BFBC (UnkStruct_ov71_0223B620 * param0)
                         ov71_0223C444(&param0->unk_3364);
                     }
                 } else if (v1 <= 40) {
-                    if (param0->unk_30E0 > Unk_021BF67C.unk_5E) {
-                        v1 = param0->unk_30E0 - Unk_021BF67C.unk_5E;
+                    if (param0->unk_30E0 > coresys.unk_5E) {
+                        v1 = param0->unk_30E0 - coresys.unk_5E;
                         param0->unk_3364.unk_03 = -1;
                     } else {
-                        v1 = Unk_021BF67C.unk_5E - param0->unk_30E0;
+                        v1 = coresys.unk_5E - param0->unk_30E0;
                         param0->unk_3364.unk_03 = 1;
                     }
 
@@ -1027,8 +1027,8 @@ static void ov71_0223BFBC (UnkStruct_ov71_0223B620 * param0)
         }
     }
 
-    param0->unk_30DC = Unk_021BF67C.unk_5C;
-    param0->unk_30E0 = Unk_021BF67C.unk_5E;
+    param0->unk_30DC = coresys.unk_5C;
+    param0->unk_30E0 = coresys.unk_5E;
 }
 
 static void ov71_0223C0D8 (UnkStruct_ov71_0223B620 * param0, const u8 param1)
@@ -1333,7 +1333,7 @@ static int ov71_0223C60C (UnkStruct_02018340 * param0, const UnkUnion_02022594 *
         if (v0 != 0) {
             u16 v1 = 0x40;
 
-            if (sub_0201C784(param0, 2, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E, &v1) == 0) {
+            if (sub_0201C784(param0, 2, coresys.unk_5C, coresys.unk_5E, &v1) == 0) {
                 return 0xffffffff;
             }
         } else {
@@ -1352,7 +1352,7 @@ static int ov71_0223C654 (UnkStruct_02018340 * param0, const UnkUnion_02022594 *
         if (v0 != 0) {
             u16 v1 = 0x40;
 
-            if (sub_0201C784(param0, 2, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E, &v1) == 0) {
+            if (sub_0201C784(param0, 2, coresys.unk_5C, coresys.unk_5E, &v1) == 0) {
                 return 0xffffffff;
             }
         } else {
diff --git a/src/overlay072/ov72_0223D7A0.c b/src/overlay072/ov72_0223D7A0.c
index 8720aa5372..faf1541f70 100644
--- a/src/overlay072/ov72_0223D7A0.c
+++ b/src/overlay072/ov72_0223D7A0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "assert.h"
 #include "inlines.h"
 
@@ -1166,21 +1166,21 @@ static void ov72_0223EA18 (UnkStruct_ov72_0223DB98 * param0)
 
     v0 = 0;
 
-    if ((Unk_021BF67C.unk_5C != 0xffff) && (Unk_021BF67C.unk_5E != 0xffff) && (param0->unk_5D0C != 0xffff) && (param0->unk_5D10 != 0xffff)) {
-        if (param0->unk_5D0C > Unk_021BF67C.unk_5C) {
-            v1 = param0->unk_5D0C - Unk_021BF67C.unk_5C;
+    if ((coresys.unk_5C != 0xffff) && (coresys.unk_5E != 0xffff) && (param0->unk_5D0C != 0xffff) && (param0->unk_5D10 != 0xffff)) {
+        if (param0->unk_5D0C > coresys.unk_5C) {
+            v1 = param0->unk_5D0C - coresys.unk_5C;
             param0->unk_5D04.unk_02 = -1;
         } else {
-            v1 = Unk_021BF67C.unk_5C - param0->unk_5D0C;
+            v1 = coresys.unk_5C - param0->unk_5D0C;
             param0->unk_5D04.unk_02 = 1;
         }
 
         if ((v1 >= 3) && (v1 <= 40)) {
-            if (param0->unk_5D10 > Unk_021BF67C.unk_5E) {
-                v1 = param0->unk_5D10 - Unk_021BF67C.unk_5E;
+            if (param0->unk_5D10 > coresys.unk_5E) {
+                v1 = param0->unk_5D10 - coresys.unk_5E;
                 param0->unk_5D04.unk_03 = -1;
             } else {
-                v1 = Unk_021BF67C.unk_5E - param0->unk_5D10;
+                v1 = coresys.unk_5E - param0->unk_5D10;
                 param0->unk_5D04.unk_03 = 1;
             }
 
@@ -1191,11 +1191,11 @@ static void ov72_0223EA18 (UnkStruct_ov72_0223DB98 * param0)
                 (void)0;
             }
         } else if (v1 <= 40) {
-            if (param0->unk_5D10 > Unk_021BF67C.unk_5E) {
-                v1 = param0->unk_5D10 - Unk_021BF67C.unk_5E;
+            if (param0->unk_5D10 > coresys.unk_5E) {
+                v1 = param0->unk_5D10 - coresys.unk_5E;
                 param0->unk_5D04.unk_03 = -1;
             } else {
-                v1 = Unk_021BF67C.unk_5E - param0->unk_5D10;
+                v1 = coresys.unk_5E - param0->unk_5D10;
                 param0->unk_5D04.unk_03 = 1;
             }
 
@@ -1208,8 +1208,8 @@ static void ov72_0223EA18 (UnkStruct_ov72_0223DB98 * param0)
         }
     }
 
-    param0->unk_5D0C = Unk_021BF67C.unk_5C;
-    param0->unk_5D10 = Unk_021BF67C.unk_5E;
+    param0->unk_5D0C = coresys.unk_5C;
+    param0->unk_5D10 = coresys.unk_5E;
 }
 
 static void ov72_0223EAD8 (UnkStruct_ov72_0223EAD8 * param0)
diff --git a/src/overlay073/ov73_021D0D80.c b/src/overlay073/ov73_021D0D80.c
index acf1d8f15c..715ac0208d 100644
--- a/src/overlay073/ov73_021D0D80.c
+++ b/src/overlay073/ov73_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -283,18 +283,18 @@ static BOOL ov73_021D0FFC (void)
     BOOL v0 = 0;
     u16 v1, v2;
 
-    if (Unk_021BF67C.unk_60) {
-        if ((Unk_021BF67C.unk_5C < 256) && (Unk_021BF67C.unk_5E < 192)) {
-            if (Unk_021BF67C.unk_5C < 128) {
-                v1 = 128 - Unk_021BF67C.unk_5C;
+    if (coresys.touchInput) {
+        if ((coresys.unk_5C < 256) && (coresys.unk_5E < 192)) {
+            if (coresys.unk_5C < 128) {
+                v1 = 128 - coresys.unk_5C;
             } else {
-                v1 = Unk_021BF67C.unk_5C - 128;
+                v1 = coresys.unk_5C - 128;
             }
 
-            if (Unk_021BF67C.unk_5E < 100) {
-                v2 = 100 - Unk_021BF67C.unk_5E;
+            if (coresys.unk_5E < 100) {
+                v2 = 100 - coresys.unk_5E;
             } else {
-                v2 = Unk_021BF67C.unk_5E - 100;
+                v2 = coresys.unk_5E - 100;
             }
 
             if ((v1 * v1 + v2 * v2) <= 16 * 16) {
@@ -741,7 +741,7 @@ static BOOL ov73_021D1510 (UnkStruct_ov73_021D1058 * param0, u32 param1, int par
         }
         break;
     case 2:
-        if ((param2 != 0) || ((Unk_021BF67C.unk_48 & PAD_BUTTON_A) == PAD_BUTTON_A)) {
+        if ((param2 != 0) || ((coresys.padInput & PAD_BUTTON_A) == PAD_BUTTON_A)) {
             sub_0201A8FC(&param0->unk_1C);
             param0->unk_50 = 0;
             v0 = 1;
@@ -895,7 +895,7 @@ static BOOL ov73_021D1784 (UnkStruct_ov73_021D1058 * param0, u32 param1, int par
         }
         break;
     case 3:
-        if (((Unk_021BF67C.unk_48 & PAD_BUTTON_A) == PAD_BUTTON_A) || ((Unk_021BF67C.unk_48 & PAD_BUTTON_B) == PAD_BUTTON_B)) {
+        if (((coresys.padInput & PAD_BUTTON_A) == PAD_BUTTON_A) || ((coresys.padInput & PAD_BUTTON_B) == PAD_BUTTON_B)) {
             sub_02005748(1500);
             param0->unk_54 = 4;
         }
@@ -1596,7 +1596,7 @@ static BOOL ov73_021D2318 (UnkStruct_ov73_021D1058 * param0)
         param0->unk_0C = 22;
         break;
     case 22:
-        if (Unk_021BF67C.unk_48) {
+        if (coresys.padInput) {
             param0->unk_0C = 27;
             break;
         }
@@ -1762,7 +1762,7 @@ static BOOL ov73_021D2318 (UnkStruct_ov73_021D1058 * param0)
             param0->unk_94[1] = 0;
             {sub_02019EBC(param0->unk_18, 0);}
             param0->unk_0C = 48;
-        } else if (Unk_021BF67C.unk_48) {
+        } else if (coresys.padInput) {
             param0->unk_0C = 49;
         }
         break;
@@ -1895,7 +1895,7 @@ static BOOL ov73_021D2318 (UnkStruct_ov73_021D1058 * param0)
         }
         break;
     case 67:
-        if ((Unk_021BF67C.unk_48 & PAD_BUTTON_A) == PAD_BUTTON_A) {
+        if ((coresys.padInput & PAD_BUTTON_A) == PAD_BUTTON_A) {
             param0->unk_7C = 6;
             param0->unk_80 = 10;
             param0->unk_78 = 2;
@@ -1908,7 +1908,7 @@ static BOOL ov73_021D2318 (UnkStruct_ov73_021D1058 * param0)
             break;
         }
 
-        if ((Unk_021BF67C.unk_48 & PAD_KEY_LEFT) == PAD_KEY_LEFT || (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) == PAD_KEY_RIGHT) {
+        if ((coresys.padInput & PAD_KEY_LEFT) == PAD_KEY_LEFT || (coresys.padInput & PAD_KEY_RIGHT) == PAD_KEY_RIGHT) {
             if (param0->unk_84 == 0) {
                 param0->unk_84 = 1;
             } else {
diff --git a/src/overlay073/ov73_021D3250.c b/src/overlay073/ov73_021D3250.c
index 6d51d47758..2438008ebd 100644
--- a/src/overlay073/ov73_021D3250.c
+++ b/src/overlay073/ov73_021D3250.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "message.h"
@@ -454,7 +454,7 @@ asm static BOOL ov73_021D3698 (UnkStruct_ov73_021D342C * param0, int param1, int
     str r0, [r4, #0xc]
     b _021D3798
  _021D3768:
-    ldr r0, = Unk_021BF67C
+    ldr r0, = coresys
     ldr r1, [r0, #0x48]
     mov r0, #1
     and r0, r1
diff --git a/src/overlay074/ov74_021D0D80.c b/src/overlay074/ov74_021D0D80.c
index b3f7c5f8bb..e9169d0862 100644
--- a/src/overlay074/ov74_021D0D80.c
+++ b/src/overlay074/ov74_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -174,7 +174,7 @@ int ov74_021D0F60 (UnkStruct_020067E8 * param0, int * param1)
         }
         break;
     case 2:
-        if (((Unk_021BF67C.unk_48 & PAD_BUTTON_A) && (v0->unk_10_2 == (7 - 1))) || (Unk_021BF67C.unk_48 & PAD_BUTTON_B)) {
+        if (((coresys.padInput & PAD_BUTTON_A) && (v0->unk_10_2 == (7 - 1))) || (coresys.padInput & PAD_BUTTON_B)) {
             v1 = ov74_021D1B44(v0);
 
             if (v1 == 1) {
@@ -711,23 +711,23 @@ static void ov74_021D1A24 (UnkStruct_ov74_021D0D80 * param0)
     v0 = &(param0->unk_5C[param0->unk_10_2]);
 
     if (param0->unk_10_2 != 6) {
-        if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+        if (coresys.padInput & PAD_KEY_RIGHT) {
             v0->unk_02 = (v0->unk_02 + 1) % v0->unk_00;
             ov74_021D17CC(param0, param0->unk_10_2);
             sub_02005748(1500);
-        } else if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+        } else if (coresys.padInput & PAD_KEY_LEFT) {
             v0->unk_02 = (v0->unk_02 + v0->unk_00 - 1) % v0->unk_00;
             ov74_021D17CC(param0, param0->unk_10_2);
             sub_02005748(1500);
         }
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         param0->unk_10_2 = (param0->unk_10_2 + 7 - 1) % 7;
         sub_0201C63C(param0->unk_14, 0, 3, -(param0->unk_10_2 * 16 + 24));
         ov74_021D1BE4(param0, param0->unk_10_2, 1);
         sub_02005748(1500);
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    } else if (coresys.padInput & PAD_KEY_DOWN) {
         param0->unk_10_2 = (param0->unk_10_2 + 1) % 7;
         sub_0201C63C(param0->unk_14, 0, 3, -(param0->unk_10_2 * 16 + 24));
         ov74_021D1BE4(param0, param0->unk_10_2, 1);
diff --git a/src/overlay075/ov75_021D0D80.c b/src/overlay075/ov75_021D0D80.c
index 3ba27b68e6..5406e454a7 100644
--- a/src/overlay075/ov75_021D0D80.c
+++ b/src/overlay075/ov75_021D0D80.c
@@ -3,7 +3,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "struct_decls/struct_02002F38_decl.h"
@@ -194,7 +194,7 @@ static BOOL ov75_021D0E34 (UnkStruct_ov75_021D1184 * param0)
 
 static int ov75_021D0E5C (UnkStruct_ov75_021D1184 * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         sub_02005748(1507);
         return 1;
     }
@@ -206,7 +206,7 @@ static int ov75_021D0E80 (UnkStruct_ov75_021D1184 * param0)
 {
     u8 v0 = 0;
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A)) {
+    if (coresys.padInput & (PAD_BUTTON_A)) {
         if (param0->unk_11 == 3) {
             if (param0->unk_12 == 0) {
                 if (ov75_021D0E34(param0)) {
@@ -231,23 +231,23 @@ static int ov75_021D0E80 (UnkStruct_ov75_021D1184 * param0)
         }
 
         return 1;
-    } else if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B)) {
+    } else if (coresys.padInput & (PAD_BUTTON_B)) {
         sub_02005748(1501);
         param0->unk_0C = UnkEnum_ov75_021D0E80_03;
         return 0;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_START) {
+    if (coresys.padInput & PAD_BUTTON_START) {
         param0->unk_11 = 3;
         param0->unk_12 = 0;
         v0 = 1;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    } else if (coresys.padInput & PAD_KEY_DOWN) {
         param0->unk_11 = (param0->unk_11 + 1) % 4;
         v0 = 1;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    } else if (coresys.padInput & PAD_KEY_UP) {
         param0->unk_11 = (param0->unk_11 + 4 - 1) % 4;
         v0 = 1;
-    } else if (Unk_021BF67C.unk_48 & (PAD_KEY_RIGHT | PAD_KEY_LEFT)) {
+    } else if (coresys.padInput & (PAD_KEY_RIGHT | PAD_KEY_LEFT)) {
         if (param0->unk_11 == 3) {
             param0->unk_12 ^= 1;
             v0 = 1;
@@ -288,7 +288,7 @@ static int ov75_021D0FA0 (UnkStruct_ov75_021D1184 * param0)
         break;
     case 1:
 
-        if (!(Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B))) {
+        if (!(coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B))) {
             return 0;
         }
 
diff --git a/src/overlay076/ov76_0223B140.c b/src/overlay076/ov76_0223B140.c
index cfc20e2e7d..c5ee224f88 100644
--- a/src/overlay076/ov76_0223B140.c
+++ b/src/overlay076/ov76_0223B140.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <nitro/sinit.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02002F38_decl.h"
 #include "struct_decls/struct_0200C6E4_decl.h"
@@ -57,7 +57,7 @@ void ov76_0223B184 (UnkUnion_02022594 * param0, UnkStruct_0200D0F4 * param1, BOO
     }
 
     if (param2 == 1) {
-        sub_0200D4C4(param1, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E);
+        sub_0200D4C4(param1, coresys.unk_5C, coresys.unk_5E);
         sub_0200D550(param1, &v0, &v1);
         ov76_0223B174(param0);
     } else {
diff --git a/src/overlay076/ov76_0223D338.c b/src/overlay076/ov76_0223D338.c
index e654477df5..8ca53558bd 100644
--- a/src/overlay076/ov76_0223D338.c
+++ b/src/overlay076/ov76_0223D338.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02012CE0_decl.h"
@@ -259,23 +259,23 @@ static BOOL ov76_0223D574 (int * param0)
 {
     int * v0 = param0;
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+    if (coresys.unk_4C & PAD_KEY_RIGHT) {
         (*v0)++;
         (*v0) %= 12;
-    } else if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+    } else if (coresys.unk_4C & PAD_KEY_LEFT) {
         if (*v0 > 0) {
             (*v0)--;
         } else {
             *v0 = 12 - 1;
         }
-    } else if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+    } else if (coresys.unk_4C & PAD_KEY_UP) {
         if ((*v0 / 4) != 0) {
             (*v0) -= 4;
             (*v0) %= 12;
         } else {
             return 0;
         }
-    } else if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+    } else if (coresys.unk_4C & PAD_KEY_DOWN) {
         if ((*v0 / 4) != (3 - 1)) {
             (*v0) += 4;
             (*v0) %= 12;
@@ -369,7 +369,7 @@ static BOOL ov76_0223D674 (UnkStruct_ov76_0223DE00 * param0)
         int v2;
         int v3;
 
-        if (sub_02022798() == 1) {
+        if (TouchScreen_Tapped() == 1) {
             ov76_0223D4FC(param0);
             break;
         }
@@ -393,12 +393,12 @@ static BOOL ov76_0223D674 (UnkStruct_ov76_0223DE00 * param0)
             ov76_0223B1E0(param0);
 
             sub_02005748(1500);
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        } else if (coresys.padInput & PAD_BUTTON_A) {
             param0->unk_3D4++;
             ov76_0223CA30(&param0->unk_D4.unk_18[0], 8);
             ov76_0223BF74(param0->unk_D4.unk_10, &param0->unk_D4.unk_18[1], 1, param0, param0->unk_3C4[0]);
             sub_02005748(1500);
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        } else if (coresys.padInput & PAD_BUTTON_B) {
             param0->unk_3D4 = 5;
             sub_02005748(1501);
         }
@@ -1260,7 +1260,7 @@ static BOOL ov76_0223E950 (UnkStruct_ov76_0223DE00 * param0)
         param0->unk_3D4++;
         break;
     case 1:
-        if (Unk_021BF67C.unk_48 & (0x1 | 0x2 | 0x400 | 0x800 | 0x40 | 0x80 | 0x20 | 0x10)) {
+        if (coresys.padInput & (0x1 | 0x2 | 0x400 | 0x800 | 0x40 | 0x80 | 0x20 | 0x10)) {
             param0->unk_3D4++;
         }
         break;
@@ -1296,13 +1296,13 @@ static BOOL ov76_0223E9C4 (UnkStruct_ov76_0223DE00 * param0)
             ov76_0223D600(param0, 1, 0);
 
             sub_02005748(1500);
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        } else if (coresys.padInput & PAD_BUTTON_A) {
             ov76_0223C80C(param0, param0->unk_3C4[0], param0->unk_3C4[1]);
             ov76_0223D600(param0, 1, 1);
             ov76_0223CA30(&param0->unk_D4.unk_18[0], 11);
             param0->unk_3D4 = 2;
             sub_02005748(1500);
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        } else if (coresys.padInput & PAD_BUTTON_B) {
             sub_0200D3F4(param0->unk_2F4[1], 0);
             ov76_0223D600(param0, 0, 1);
             param0->unk_3D4 = 3;
@@ -1311,7 +1311,7 @@ static BOOL ov76_0223E9C4 (UnkStruct_ov76_0223DE00 * param0)
     }
     break;
     case 2:
-        if (Unk_021BF67C.unk_48 & (0x1 | 0x2 | 0x400 | 0x800 | 0x40 | 0x80 | 0x20 | 0x10)) {
+        if (coresys.padInput & (0x1 | 0x2 | 0x400 | 0x800 | 0x40 | 0x80 | 0x20 | 0x10)) {
             param0->unk_3D4 = 3;
         }
         break;
diff --git a/src/overlay077/ov77_021D0D80.c b/src/overlay077/ov77_021D0D80.c
index 06088e2eb7..9624a5ebbf 100644
--- a/src/overlay077/ov77_021D0D80.c
+++ b/src/overlay077/ov77_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -221,14 +221,14 @@ static int ov77_021D0E3C (UnkStruct_020067E8 * param0, int * param1)
         if (ov77_021D1A60(&v0->unk_238, v0->unk_04, v0->unk_00) == 1) {
             v0->unk_238.unk_00 = 0;
 
-            if (Unk_021BF67C.unk_6C == 0) {
+            if (coresys.unk_6C == 0) {
                 v0->unk_4EC = 30 * 1;
                 v0->unk_238.unk_29C = 1;
                 v0->unk_238.unk_2A0 = 0;
                 *param1 = 2;
             } else {
                 v0->unk_4EC = 0;
-                Unk_021BF67C.unk_6C = 0;
+                coresys.unk_6C = 0;
                 v0->unk_238.unk_2A0 = 1;
                 *param1 = 1;
             }
@@ -259,7 +259,7 @@ static int ov77_021D0E3C (UnkStruct_020067E8 * param0, int * param1)
 
         v0->unk_4F8++;
 
-        if (((Unk_021BF67C.unk_48 & PAD_BUTTON_A) == PAD_BUTTON_A) || ((Unk_021BF67C.unk_48 & PAD_BUTTON_START) == PAD_BUTTON_START)) {
+        if (((coresys.padInput & PAD_BUTTON_A) == PAD_BUTTON_A) || ((coresys.padInput & PAD_BUTTON_START) == PAD_BUTTON_START)) {
             v0->unk_4E8 = 1;
             sub_0200564C(0, 60);
             sub_02005844(487, 1);
@@ -268,7 +268,7 @@ static int ov77_021D0E3C (UnkStruct_020067E8 * param0, int * param1)
             break;
         }
 
-        if (((Unk_021BF67C.unk_44 & (PAD_BUTTON_B | PAD_KEY_UP | PAD_BUTTON_SELECT)) == (PAD_BUTTON_B | PAD_KEY_UP | PAD_BUTTON_SELECT))) {
+        if (((coresys.unk_44 & (PAD_BUTTON_B | PAD_KEY_UP | PAD_BUTTON_SELECT)) == (PAD_BUTTON_B | PAD_KEY_UP | PAD_BUTTON_SELECT))) {
             v0->unk_4E8 = 2;
             sub_0200F174(0, 0, 0, 0x0, 6, 1, v0->unk_00);
             *param1 = 6;
@@ -277,7 +277,7 @@ static int ov77_021D0E3C (UnkStruct_020067E8 * param0, int * param1)
 
         if (v0->unk_4F8 > 30 * 30) {
             v0->unk_4E8 = 3;
-            Unk_021BF67C.unk_6C = 1;
+            coresys.unk_6C = 1;
             {GXLayers_EngineBToggleLayers(GX_PLANEMASK_BG0, 0);}
             sub_0200564C(0, 60);
             *param1 = 5;
@@ -386,7 +386,7 @@ static void ov77_021D1184 (void)
 
 static BOOL ov77_021D11A4 (void)
 {
-    if (((Unk_021BF67C.unk_48 & PAD_BUTTON_A) == PAD_BUTTON_A) || ((Unk_021BF67C.unk_48 & PAD_BUTTON_START) == PAD_BUTTON_START) || ((Unk_021BF67C.unk_48 & PAD_BUTTON_SELECT) == PAD_BUTTON_SELECT)) {
+    if (((coresys.padInput & PAD_BUTTON_A) == PAD_BUTTON_A) || ((coresys.padInput & PAD_BUTTON_START) == PAD_BUTTON_START) || ((coresys.padInput & PAD_BUTTON_SELECT) == PAD_BUTTON_SELECT)) {
         return 1;
     }
 
@@ -908,7 +908,7 @@ static BOOL ov77_021D1A60 (UnkStruct_ov77_021D1568 * param0, UnkStruct_02018340
         G3X_AntiAlias(1);
     }
 
-    Unk_021BF67C.unk_65 = 1;
+    coresys.unk_65 = 1;
     GXLayers_SwapDisplay();
     param0->unk_04.unk_00 = 2;
 
@@ -1214,7 +1214,7 @@ static BOOL ov77_021D21C0 (UnkStruct_ov77_021D1568 * param0, UnkStruct_02018340
     G2_BlendNone();
     G3X_EdgeMarking(0);
 
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
 
     return 1;
diff --git a/src/overlay077/ov77_021D25B0.c b/src/overlay077/ov77_021D25B0.c
index 5ae092c184..719f7167a0 100644
--- a/src/overlay077/ov77_021D25B0.c
+++ b/src/overlay077/ov77_021D25B0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -868,7 +868,7 @@ static void ov77_021D2B38 (void * param0)
     UnkStruct_ov77_021D37C0 * v2 = &v1->unk_34;
 
     if (v2->unk_25B == 1) {
-        Unk_021BF67C.unk_65 = 1;
+        coresys.unk_65 = 1;
 
         GXLayers_SwapDisplay();
         GXLayers_EngineBToggleLayers(GX_PLANEMASK_BG0, 1);
@@ -957,7 +957,7 @@ static int ov77_021D2D08 (UnkStruct_020067E8 * param0, int * param1)
     v0->unk_08 = 0;
     v0->unk_2A8 = 0;
 
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
     v0->unk_14 = LCRNG_GetSeed();
 
@@ -970,9 +970,9 @@ static int ov77_021D2D94 (UnkStruct_020067E8 * param0, int * param1)
 {
     UnkStruct_ov77_021D2E9C * v0 = sub_0200682C(param0);
 
-    if ((v0->unk_2A8) && ((Unk_021BF67C.unk_48 & PAD_BUTTON_A) || (Unk_021BF67C.unk_48 & PAD_BUTTON_START))) {
+    if ((v0->unk_2A8) && ((coresys.padInput & PAD_BUTTON_A) || (coresys.padInput & PAD_BUTTON_START))) {
         v0->unk_08 = 1;
-        Unk_021BF67C.unk_6C = 0;
+        coresys.unk_6C = 0;
         sub_0200F344(0, 0x0);
         sub_0200F344(1, 0x0);
     }
@@ -1353,7 +1353,7 @@ static void ov77_021D34A8 (UnkStruct_ov77_021D2E9C * param0)
     ov77_021D6CFC(param0->unk_34.unk_1C);
     param0->unk_34.unk_10 = param0->unk_0C;
 
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
 
     for (v0 = 0; v0 < 4; v0++) {
@@ -1639,7 +1639,7 @@ static void ov77_021D3D4C (UnkStruct_ov77_021D2E9C * param0, UnkStruct_ov77_021D
 
 static void ov77_021D3DC4 (UnkStruct_ov77_021D37C0 * param0)
 {
-    if (Unk_021BF67C.unk_65 == 0) {
+    if (coresys.unk_65 == 0) {
         sub_02019184(param0->unk_10, 1, 3, 0);
         sub_02019184(param0->unk_10, 2, 3, 0);
         sub_02019184(param0->unk_10, 3, 3, 0);
@@ -2065,7 +2065,7 @@ static BOOL ov77_021D4230 (UnkStruct_ov77_021D2E9C * param0, UnkStruct_ov77_021D
             ov77_021D603C(param1->unk_14, 16, 1);
             ov77_021D636C(param1->unk_14, 0);
             ov77_021D3B5C(param0, param1);
-            Unk_021BF67C.unk_65 = 0;
+            coresys.unk_65 = 0;
             GXLayers_SwapDisplay();
             ov77_021D3DC4(param1);
             param1->unk_246 = 1;
@@ -2111,7 +2111,7 @@ static BOOL ov77_021D4230 (UnkStruct_ov77_021D2E9C * param0, UnkStruct_ov77_021D
 
         if (ScreenWipe_Done()) {
             if (1) {
-                Unk_021BF67C.unk_65 = 1;
+                coresys.unk_65 = 1;
                 GXLayers_SwapDisplay();
                 ov77_021D3DC4(param1);
 
@@ -2139,7 +2139,7 @@ static BOOL ov77_021D4230 (UnkStruct_ov77_021D2E9C * param0, UnkStruct_ov77_021D
         if (ScreenWipe_Done()) {
             MI_CpuCopy16(param1->unk_240, (void *)HW_BG_PLTT, 0x200);
 
-            Unk_021BF67C.unk_65 = 0;
+            coresys.unk_65 = 0;
             GXLayers_SwapDisplay();
 
             ov77_021D3D4C(param0, param1);
@@ -2185,7 +2185,7 @@ static BOOL ov77_021D4230 (UnkStruct_ov77_021D2E9C * param0, UnkStruct_ov77_021D
         ov77_021D6290(param1->unk_14, (16 << FX32_SHIFT));
 
         if (ScreenWipe_Done()) {
-            Unk_021BF67C.unk_65 = 1;
+            coresys.unk_65 = 1;
             GXLayers_SwapDisplay();
             (*v0)++;
         }
diff --git a/src/overlay077/ov77_021D54B0.c b/src/overlay077/ov77_021D54B0.c
index fd85570a47..67d80c110c 100644
--- a/src/overlay077/ov77_021D54B0.c
+++ b/src/overlay077/ov77_021D54B0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02009714_decl.h"
 #include "struct_decls/struct_02009DC8_decl.h"
@@ -524,7 +524,7 @@ void ov77_021D6290 (UnkStruct_ov77_021D5564 * param0, fx32 param1)
     VecFx32 v1;
     int v2, v3;
 
-    if (Unk_021BF67C.unk_65 == 0) {
+    if (coresys.unk_65 == 0) {
         v2 = 13;
         v3 = 15;
     } else {
@@ -563,7 +563,7 @@ void ov77_021D636C (UnkStruct_ov77_021D5564 * param0, int param1)
     VecFx32 v1;
 
     if (param1 == 0) {
-        if (Unk_021BF67C.unk_65 == 0) {
+        if (coresys.unk_65 == 0) {
             sub_02021F24(param0->unk_250[13], 0);
             sub_02021F24(param0->unk_250[14], 0);
             sub_02021F24(param0->unk_250[15], 1);
diff --git a/src/overlay078/ov78_021D0D80.c b/src/overlay078/ov78_021D0D80.c
index 29db1d998c..dfb79c64bd 100644
--- a/src/overlay078/ov78_021D0D80.c
+++ b/src/overlay078/ov78_021D0D80.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <nnsys.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -911,7 +911,7 @@ static BOOL ov78_021D1978 (UnkStruct_ov78_021D107C * param0, int param1)
     case 3:
         ov78_021D1C58(param0);
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             ov78_021D1C98(param0, 1);
 
             sub_02005748(1500);
@@ -1085,14 +1085,14 @@ static void ov78_021D1C28 (UnkStruct_ov78_021D107C * param0)
 
 static void ov78_021D1C58 (UnkStruct_ov78_021D107C * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    if (coresys.padInput & PAD_KEY_LEFT) {
         if (param0->unk_54 - 1 >= 0) {
             param0->unk_54 -= 1;
             sub_02005748(1500);
         }
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    if (coresys.padInput & PAD_KEY_RIGHT) {
         if (param0->unk_54 + 1 < 3) {
             param0->unk_54 += 1;
             sub_02005748(1500);
diff --git a/src/overlay079/ov79_021D0D80.c b/src/overlay079/ov79_021D0D80.c
index 84051882a3..5742ba3c09 100644
--- a/src/overlay079/ov79_021D0D80.c
+++ b/src/overlay079/ov79_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -254,7 +254,7 @@ static int ov79_021D0FEC (UnkStruct_ov79_021D0E1C * param0)
 
     v1 = ov79_021D0FB0(param0);
 
-    if (Unk_021BF67C.unk_44 != 0) {
+    if (coresys.unk_44 != 0) {
         if (param0->unk_14 == 0) {
             v0 = sub_02001288(param0->unk_C4);
         }
@@ -269,14 +269,14 @@ static int ov79_021D0FEC (UnkStruct_ov79_021D0E1C * param0)
         return 0;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1500);
         param0->unk_1A = 0xFF;
         param0->unk_10 = 0;
         return 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02005748(1500);
 
         switch (v0) {
@@ -314,7 +314,7 @@ static int ov79_021D10B8 (UnkStruct_ov79_021D0E1C * param0)
 
     v0 = sub_02001288(param0->unk_C8);
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1500);
         ov79_021D1F60(param0);
         ov79_021D2214(param0, 0);
@@ -322,7 +322,7 @@ static int ov79_021D10B8 (UnkStruct_ov79_021D0E1C * param0)
         return 0;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02005748(1500);
 
         switch (v0) {
@@ -382,7 +382,7 @@ static int ov79_021D11C0 (UnkStruct_ov79_021D0E1C * param0)
         return 0;
     }
 
-    if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) == 0) {
+    if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) == 0) {
         return 0;
     }
 
diff --git a/src/overlay079/ov79_021D2268.c b/src/overlay079/ov79_021D2268.c
index d6a6a95567..a43e6fd7a9 100644
--- a/src/overlay079/ov79_021D2268.c
+++ b/src/overlay079/ov79_021D2268.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -752,7 +752,7 @@ static int ov79_021D2C08 (UnkStruct_ov79_021D2928 * param0)
         return 7;
     }
 
-    if (((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) == 0) && (param0->unk_0E++ < 90)) {
+    if (((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) == 0) && (param0->unk_0E++ < 90)) {
         return 7;
     }
 
diff --git a/src/overlay080/ov80_021D1458.c b/src/overlay080/ov80_021D1458.c
index 30c5abd064..591d71c334 100644
--- a/src/overlay080/ov80_021D1458.c
+++ b/src/overlay080/ov80_021D1458.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0201CD38_decl.h"
 #include "struct_decls/struct_02022550_decl.h"
@@ -247,7 +247,7 @@ int ov80_021D163C (UnkStruct_ov80_021D2A08 * param0)
 {
     UnkStruct_ov80_021D1478 * v0 = param0->unk_34;
 
-    if ((v0->unk_14 <= 1) && Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if ((v0->unk_14 <= 1) && coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1501);
         return 1;
     }
@@ -256,7 +256,7 @@ int ov80_021D163C (UnkStruct_ov80_021D2A08 * param0)
         return 0;
     }
 
-    ov80_021D18F8(param0, Unk_021BF67C.unk_44);
+    ov80_021D18F8(param0, coresys.unk_44);
 
     return 0;
 }
@@ -266,14 +266,14 @@ int ov80_021D1678 (UnkStruct_ov80_021D2A08 * param0)
     UnkStruct_ov80_021D1478 * v0 = param0->unk_34;
 
     if (v0->unk_14 <= 1) {
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             if (ov80_021D29BC(param0)) {
                 sub_02005748(1501);
                 return 1;
             }
 
             return 0;
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        } else if (coresys.padInput & PAD_BUTTON_B) {
             sub_02005748(1501);
             return 1;
         }
@@ -283,7 +283,7 @@ int ov80_021D1678 (UnkStruct_ov80_021D2A08 * param0)
         return 0;
     }
 
-    ov80_021D18F8(param0, Unk_021BF67C.unk_44);
+    ov80_021D18F8(param0, coresys.unk_44);
     return 0;
 }
 
@@ -291,12 +291,12 @@ int ov80_021D16D0 (UnkStruct_ov80_021D2A08 * param0)
 {
     UnkStruct_ov80_021D1478 * v0 = param0->unk_34;
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_B)) {
         sub_02005748(1501);
         return 1;
     }
 
-    ov80_021D18F8(param0, Unk_021BF67C.unk_44);
+    ov80_021D18F8(param0, coresys.unk_44);
     return 0;
 }
 
@@ -396,7 +396,7 @@ static int ov80_021D1848 (UnkStruct_ov80_021D2A08 * param0, int param1)
 
     v1 = 0x12;
 
-    if (sub_0201C784(param0->unk_28, 5, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E, &v1) == 0) {
+    if (sub_0201C784(param0->unk_28, 5, coresys.unk_5C, coresys.unk_5E, &v1) == 0) {
         return v0;
     }
 
diff --git a/src/overlay081/ov81_021D0D80.c b/src/overlay081/ov81_021D0D80.c
index f77b6b107e..20aeab9981 100644
--- a/src/overlay081/ov81_021D0D80.c
+++ b/src/overlay081/ov81_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -341,7 +341,7 @@ static int ov81_021D1174 (UnkStruct_ov81_021D1610 * param0)
 
 static int ov81_021D1188 (UnkStruct_ov81_021D1610 * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    if (coresys.padInput & PAD_KEY_LEFT) {
         if (ov81_021D13CC(param0, -1) == 1) {
             return 2;
         }
@@ -349,7 +349,7 @@ static int ov81_021D1188 (UnkStruct_ov81_021D1610 * param0)
         return 1;
     }
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_KEY_RIGHT)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_KEY_RIGHT)) {
         if (ov81_021D13CC(param0, 1) == 1) {
             return 3;
         }
@@ -357,7 +357,7 @@ static int ov81_021D1188 (UnkStruct_ov81_021D1610 * param0)
         return 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         if (param0->unk_105C != 0) {
             if (ov81_021D13CC(param0, -1) == 1) {
                 return 2;
@@ -368,7 +368,7 @@ static int ov81_021D1188 (UnkStruct_ov81_021D1610 * param0)
         }
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_START) {
+    if (coresys.padInput & PAD_BUTTON_START) {
         sub_0208C120(1, 42);
         return 4;
     }
diff --git a/src/overlay083/ov83_0223B5A0.c b/src/overlay083/ov83_0223B5A0.c
index 3ee191353c..1e54d17807 100644
--- a/src/overlay083/ov83_0223B5A0.c
+++ b/src/overlay083/ov83_0223B5A0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_0202440C_decl.h"
@@ -682,7 +682,7 @@ static int ov83_0223BF74 (UnkStruct_ov83_0223C344 * param0, UnkStruct_ov83_0223B
     case 4:
         param1->unk_1C--;
 
-        if ((param1->unk_1C < 0) || (Unk_021BF67C.unk_60) || (Unk_021BF67C.unk_48 & ((PAD_BUTTON_A | PAD_BUTTON_B)))) {
+        if ((param1->unk_1C < 0) || (coresys.touchInput) || (coresys.padInput & ((PAD_BUTTON_A | PAD_BUTTON_B)))) {
             (*param2)++;
             break;
         }
@@ -700,7 +700,7 @@ static int ov83_0223BF74 (UnkStruct_ov83_0223C344 * param0, UnkStruct_ov83_0223B
     case 6:
         param1->unk_1C--;
 
-        if ((Unk_021BF67C.unk_60) || (param1->unk_1C < 0) || (Unk_021BF67C.unk_48 & ((PAD_BUTTON_A | PAD_BUTTON_B)))) {
+        if ((coresys.touchInput) || (param1->unk_1C < 0) || (coresys.padInput & ((PAD_BUTTON_A | PAD_BUTTON_B)))) {
             (*param2)++;
         }
         break;
@@ -750,7 +750,7 @@ static int ov83_0223BF74 (UnkStruct_ov83_0223C344 * param0, UnkStruct_ov83_0223B
     case 10:
         param1->unk_1C--;
 
-        if ((Unk_021BF67C.unk_60) || (param1->unk_1C < 0) || (Unk_021BF67C.unk_48 & ((PAD_BUTTON_A | PAD_BUTTON_B)))) {
+        if ((coresys.touchInput) || (param1->unk_1C < 0) || (coresys.padInput & ((PAD_BUTTON_A | PAD_BUTTON_B)))) {
             if (param1->unk_1488 > 1) {
                 ov83_0223EC8C(&param1->unk_6A0, 6);
                 ov83_0223E9BC(&param1->unk_6A0);
diff --git a/src/overlay083/ov83_0223C958.c b/src/overlay083/ov83_0223C958.c
index dbffc746e3..0d7a55f7da 100644
--- a/src/overlay083/ov83_0223C958.c
+++ b/src/overlay083/ov83_0223C958.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -73,7 +73,7 @@ void ov83_0223C958 (UnkStruct_ov83_0223B784 * param0)
 
     NARC_dtor(v0);
 
-    Unk_021BF67C.unk_65 = 1;
+    coresys.unk_65 = 1;
     GXLayers_SwapDisplay();
 }
 
@@ -98,7 +98,7 @@ void ov83_0223CAA4 (UnkStruct_ov83_0223B784 * param0)
     ov83_0223CF20(param0);
 
     ov83_0223D068(param0);
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
 }
 
diff --git a/src/overlay083/ov83_0223F7F4.c b/src/overlay083/ov83_0223F7F4.c
index 1c29ed2e93..7d43638e7e 100644
--- a/src/overlay083/ov83_0223F7F4.c
+++ b/src/overlay083/ov83_0223F7F4.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_berry_data_decl.h"
 
@@ -58,9 +58,9 @@ void ov83_0223F83C (UnkStruct_ov83_0223F820 * param0)
 {
     s32 v0;
 
-    if (Unk_021BF67C.unk_62) {
-        param0->unk_00 = Unk_021BF67C.unk_5C;
-        param0->unk_04 = Unk_021BF67C.unk_5E;
+    if (coresys.unk_62) {
+        param0->unk_00 = coresys.unk_5C;
+        param0->unk_04 = coresys.unk_5E;
 
         if (param0->unk_14 == 0) {
             param0->unk_08 = param0->unk_00;
@@ -71,7 +71,7 @@ void ov83_0223F83C (UnkStruct_ov83_0223F820 * param0)
     param0->unk_10 = ov83_0223F7F4(param0->unk_00, param0->unk_04, param0->unk_08, param0->unk_0C, 128, 96);
     param0->unk_08 = param0->unk_00;
     param0->unk_0C = param0->unk_04;
-    param0->unk_14 = Unk_021BF67C.unk_62;
+    param0->unk_14 = coresys.unk_62;
 }
 
 void ov83_0223F88C (UnkStruct_ov83_0223F88C * param0, UnkStruct_ov83_0223F820 * param1)
diff --git a/src/overlay084/ov84_0223B5A0.c b/src/overlay084/ov84_0223B5A0.c
index 903dbff36c..43ce1ddbe0 100644
--- a/src/overlay084/ov84_0223B5A0.c
+++ b/src/overlay084/ov84_0223B5A0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -1238,7 +1238,7 @@ static u8 ov84_0223C5B8 (UnkStruct_ov84_0223B5A0 * param0)
     v0 = &param0->unk_C4->unk_04[param0->unk_C4->unk_64];
     sub_020014DC(param0->unk_15C, &v0->unk_06, &v0->unk_04);
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_SELECT) {
+    if (coresys.padInput & PAD_BUTTON_SELECT) {
         if (ov84_0223D244(param0) == 1) {
             sub_02005748(1500);
             return 2;
@@ -1303,7 +1303,7 @@ static void ov84_0223C720 (UnkStruct_ov84_0223B5A0 * param0)
 
 static u8 ov84_0223C750 (UnkStruct_ov84_0223B5A0 * param0)
 {
-    if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+    if (coresys.unk_4C & PAD_KEY_LEFT) {
         if (param0->unk_424 == 1) {
             return 0;
         }
@@ -1325,7 +1325,7 @@ static u8 ov84_0223C750 (UnkStruct_ov84_0223B5A0 * param0)
 
         return 1;
     }
-    if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+    if (coresys.unk_4C & PAD_KEY_RIGHT) {
         if (param0->unk_424 == 1) {
             return 0;
         }
@@ -1460,7 +1460,7 @@ static u8 ov84_0223CA5C (UnkStruct_ov84_0223B5A0 * param0)
 {
     UnkStruct_ov84_0223C920 * v0 = &param0->unk_429;
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    if (coresys.padInput & PAD_KEY_LEFT) {
         if (param0->unk_424 == 1) {
             return 1;
         }
@@ -1493,7 +1493,7 @@ static u8 ov84_0223CA5C (UnkStruct_ov84_0223B5A0 * param0)
         ov84_02240B68(param0);
         return 1;
     }
-    if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    if (coresys.padInput & PAD_KEY_RIGHT) {
         if (param0->unk_424 == 1) {
             return 1;
         }
@@ -1609,7 +1609,7 @@ static int ov84_0223CDB0 (UnkStruct_ov84_0223B5A0 * param0)
     if (v0 != 0xffffffff) {
         u16 v1 = 0xfffe;
 
-        if (sub_0201C784(param0->unk_00, 4, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E, &v1) == 0) {
+        if (sub_0201C784(param0->unk_00, 4, coresys.unk_5C, coresys.unk_5E, &v1) == 0) {
             return 0xffffffff;
         }
     }
@@ -1624,7 +1624,7 @@ static int ov84_0223CE08 (UnkStruct_ov84_0223B5A0 * param0)
     if (v0 != 0xffffffff) {
         u16 v1 = 0xfffe;
 
-        if (sub_0201C784(param0->unk_00, 4, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E, &v1) == 0) {
+        if (sub_0201C784(param0->unk_00, 4, coresys.unk_5C, coresys.unk_5E, &v1) == 0) {
             return 0xffffffff;
         }
     }
@@ -1806,7 +1806,7 @@ static BOOL ov84_0223D1F4 (UnkStruct_ov84_0223B5A0 * param0)
     if (v0 != 0xffffffff) {
         u16 v1 = 0xfffe;
 
-        if (sub_0201C784(param0->unk_00, 4, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E, &v1) == 0) {
+        if (sub_0201C784(param0->unk_00, 4, coresys.unk_5C, coresys.unk_5E, &v1) == 0) {
             return 0;
         }
 
@@ -1869,7 +1869,7 @@ static u8 ov84_0223D2F8 (UnkStruct_ov84_0223B5A0 * param0)
         return 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_SELECT) {
+    if (coresys.padInput & PAD_BUTTON_SELECT) {
         sub_02005748(1500);
         ov84_0223D42C(param0);
         return 1;
@@ -1900,7 +1900,7 @@ static u8 ov84_0223D2F8 (UnkStruct_ov84_0223B5A0 * param0)
     case 0xfffffffe:
         sub_02005748(1500);
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             ov84_0223D42C(param0);
         } else {
             ov84_0223D484(param0);
@@ -2139,7 +2139,7 @@ static int ov84_0223D858 (UnkStruct_ov84_0223B5A0 * param0)
 static int ov84_0223D8EC (UnkStruct_ov84_0223B5A0 * param0)
 {
     if (sub_0201D724(param0->unk_426) == 0) {
-        if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) || Unk_021BF67C.unk_60) {
+        if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) || coresys.touchInput) {
             sub_0200E084(&param0->unk_04[6], 0);
             sub_0201A9A4(&param0->unk_04[1]);
             ov84_02240B34(param0, 1);
@@ -2216,7 +2216,7 @@ static int ov84_0223DA14 (UnkStruct_ov84_0223B5A0 * param0)
             break;
         }
 
-        if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) || Unk_021BF67C.unk_60) {
+        if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) || coresys.touchInput) {
             Strbuf* v1 = MessageLoader_GetNewStrbuf(param0->unk_114, 60);
 
             sub_0201ADA4(&param0->unk_04[6], 15);
@@ -2351,7 +2351,7 @@ static int ov84_0223DDD0 (UnkStruct_ov84_0223B5A0 * param0)
             break;
         }
 
-        if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) || Unk_021BF67C.unk_60) {
+        if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) || coresys.touchInput) {
             sub_0200E084(&param0->unk_04[6], 0);
             param0->unk_483 = 2;
         }
@@ -2433,13 +2433,13 @@ static int ov84_0223DF0C (UnkStruct_ov84_0223B5A0 * param0)
         sub_02005748(1592);
         return 7;
     }
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         ov84_0223FFF0(param0);
         ov84_02240D3C(param0, 0);
         sub_02005748(1500);
         return 8;
     }
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         ov84_0223FFC0(param0);
         ov84_02240D3C(param0, 0);
         ov84_02240B34(param0, 1);
@@ -2531,7 +2531,7 @@ static int ov84_0223E158 (UnkStruct_ov84_0223B5A0 * param0)
 static int ov84_0223E18C (UnkStruct_ov84_0223B5A0 * param0)
 {
     if (sub_0201D724(param0->unk_426) == 0) {
-        if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) || Unk_021BF67C.unk_60) {
+        if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) || coresys.touchInput) {
             param0->unk_479 = 0;
             sub_0200E084(&param0->unk_04[6], 0);
             sub_0201A9A4(&param0->unk_04[1]);
@@ -2627,7 +2627,7 @@ static int ov84_0223E27C (UnkStruct_ov84_0223B5A0 * param0)
 static int ov84_0223E36C (UnkStruct_ov84_0223B5A0 * param0)
 {
     if (sub_0201D724(param0->unk_426) == 0) {
-        if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) || Unk_021BF67C.unk_60) {
+        if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) || coresys.touchInput) {
             sub_0200E084(&param0->unk_04[6], 0);
             sub_0201A9A4(&param0->unk_04[1]);
             ov84_02240B34(param0, 1);
@@ -2755,7 +2755,7 @@ static int ov84_0223E5C4 (UnkStruct_ov84_0223B5A0 * param0)
         sub_02005748(1592);
         return 18;
     }
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         Strbuf* v1;
 
         ov84_02240D3C(param0, 0);
@@ -2772,7 +2772,7 @@ static int ov84_0223E5C4 (UnkStruct_ov84_0223B5A0 * param0)
 
         return 19;
     }
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         param0->unk_48C = 0;
 
         ov84_02240D3C(param0, 0);
@@ -2885,7 +2885,7 @@ static int ov84_0223E920 (UnkStruct_ov84_0223B5A0 * param0)
 static int ov84_0223E9B0 (UnkStruct_ov84_0223B5A0 * param0)
 {
     if (sub_0201D724(param0->unk_426) == 0) {
-        if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) || Unk_021BF67C.unk_60) {
+        if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) || coresys.touchInput) {
             param0->unk_479 = 0;
             param0->unk_48C = 0;
 
@@ -2987,15 +2987,15 @@ static BOOL ov84_0223EB84 (UnkStruct_ov84_0223B5A0 * param0, u16 param1)
         param0->unk_492 = 1;
         param0->unk_498 = 0;
         param0->unk_494 = 0;
-        param0->unk_49E = Unk_021BF67C.unk_5C;
-        param0->unk_4A0 = Unk_021BF67C.unk_5E;
+        param0->unk_49E = coresys.unk_5C;
+        param0->unk_4A0 = coresys.unk_5E;
     }
 
     if (param0->unk_492 == 1) {
         if (ov84_0223EB6C() == 1) {
             s32 v0, v1;
 
-            v0 = sub_0201D4CC(128 - param0->unk_49E, 80 - param0->unk_4A0, 128 - Unk_021BF67C.unk_5C, 80 - Unk_021BF67C.unk_5E, 80);
+            v0 = sub_0201D4CC(128 - param0->unk_49E, 80 - param0->unk_4A0, 128 - coresys.unk_5C, 80 - coresys.unk_5E, 80);
             v1 = sub_0201D580(80, v0 * 2);
             v1 = ((v1 << 8) / 182) >> 8;
             param0->unk_49A += v1;
@@ -3031,8 +3031,8 @@ static BOOL ov84_0223EB84 (UnkStruct_ov84_0223B5A0 * param0, u16 param1)
                     }
                 }
             }
-            param0->unk_49E = Unk_021BF67C.unk_5C;
-            param0->unk_4A0 = Unk_021BF67C.unk_5E;
+            param0->unk_49E = coresys.unk_5C;
+            param0->unk_4A0 = coresys.unk_5E;
         } else {
             param0->unk_492 = 0;
             param0->unk_498 = 0;
diff --git a/src/overlay085/ov85_02241440.c b/src/overlay085/ov85_02241440.c
index 1284d8dae7..6add4c6e05 100644
--- a/src/overlay085/ov85_02241440.c
+++ b/src/overlay085/ov85_02241440.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -717,7 +717,7 @@ static int ov85_02241D10 (UnkStruct_ov85_022417E4 * param0)
 {
     u32 v0;
 
-    if (Unk_021BF67C.unk_44 & PAD_KEY_UP) {
+    if (coresys.unk_44 & PAD_KEY_UP) {
         v0 = ov85_02241EB8(param0->unk_1F8->unk_00, param0->unk_1F8->unk_08, -1);
 
         if (param0->unk_1F8->unk_08 != v0) {
@@ -737,7 +737,7 @@ static int ov85_02241D10 (UnkStruct_ov85_022417E4 * param0)
         return 1;
     }
 
-    if (Unk_021BF67C.unk_44 & PAD_KEY_DOWN) {
+    if (coresys.unk_44 & PAD_KEY_DOWN) {
         v0 = ov85_02241EB8(param0->unk_1F8->unk_00, param0->unk_1F8->unk_08, 1);
 
         if (param0->unk_1F8->unk_08 != v0) {
@@ -757,7 +757,7 @@ static int ov85_02241D10 (UnkStruct_ov85_022417E4 * param0)
         return 1;
     }
 
-    if ((Unk_021BF67C.unk_48 & PAD_BUTTON_B) || (Unk_021BF67C.unk_60)) {
+    if ((coresys.padInput & PAD_BUTTON_B) || (coresys.touchInput)) {
         sub_0208C120(1, 36);
         return 3;
     }
diff --git a/src/overlay086/ov86_0223B140.c b/src/overlay086/ov86_0223B140.c
index 80cbeec96d..7b2308f342 100644
--- a/src/overlay086/ov86_0223B140.c
+++ b/src/overlay086/ov86_0223B140.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "inlines.h"
 #include "enums.h"
 
@@ -556,7 +556,7 @@ static BOOL ov86_0223B574 (UnkStruct_ov86_0223B3C8 * param0)
         param0->unk_00++;
         break;
     case 8:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             return 1;
         }
         break;
diff --git a/src/overlay087/ov87_021D0D80.c b/src/overlay087/ov87_021D0D80.c
index 2c6766020f..314fe065ed 100644
--- a/src/overlay087/ov87_021D0D80.c
+++ b/src/overlay087/ov87_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "overlay087/struct_ov87_021D106C_decl.h"
@@ -82,33 +82,33 @@ int ov87_021D0E2C (UnkStruct_020067E8 * param0, int * param1)
 
     switch (*param1) {
     case 0:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             ov87_021D0F38(v0, 1);
             (*param1)++;
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             v0->unk_00.unk_1C ^= 1;
             ov87_021D0F38(v0, 4);
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+        if (coresys.padInput & PAD_KEY_LEFT) {
             if (ov87_021D0F4C(v0)) {
                 ov87_021D0F38(v0, 3);
             }
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+        if (coresys.padInput & PAD_KEY_RIGHT) {
             if (ov87_021D0F88(v0)) {
                 ov87_021D0F38(v0, 3);
             }
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+        if (coresys.padInput & PAD_KEY_UP) {
             if (--(v0->unk_00.unk_18) < 0) {
                 if (ov87_021D0F4C(v0)) {
                     v0->unk_00.unk_18 = v0->unk_00.unk_14 - 1;
@@ -120,7 +120,7 @@ int ov87_021D0E2C (UnkStruct_020067E8 * param0, int * param1)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+        if (coresys.padInput & PAD_KEY_DOWN) {
             if (++(v0->unk_00.unk_18) >= v0->unk_00.unk_14) {
                 if (ov87_021D0F88(v0)) {
                     ov87_021D0F38(v0, 3);
diff --git a/src/overlay088/ov88_0223B140.c b/src/overlay088/ov88_0223B140.c
index c1d5e5e21e..39ef028ccb 100644
--- a/src/overlay088/ov88_0223B140.c
+++ b/src/overlay088/ov88_0223B140.c
@@ -2,7 +2,7 @@
 #include <string.h>
 
 #include "inlines.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -1488,22 +1488,22 @@ static void ov88_0223CE34 (u32 * param0)
     int v0 = 0;
     int v1 = 0;
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+    if (coresys.unk_4C & PAD_KEY_UP) {
         v1 = 1;
         v0++;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+    if (coresys.unk_4C & PAD_KEY_DOWN) {
         v1 = 2;
         v0++;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+    if (coresys.unk_4C & PAD_KEY_LEFT) {
         v1 = 3;
         v0++;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+    if (coresys.unk_4C & PAD_KEY_RIGHT) {
         v1 = 4;
         v0++;
     }
@@ -1704,7 +1704,7 @@ static void ov88_0223D140 (UnkStruct_0202CC84 * param0)
 
 static int ov88_0223D150 (UnkStruct_02095E80 * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1500);
         param0->unk_88[0] = 12;
         ov88_0223BE28(param0);
@@ -1712,7 +1712,7 @@ static int ov88_0223D150 (UnkStruct_02095E80 * param0)
     } else {
         ov88_0223CE34(&param0->unk_14C[0]);
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             if (param0->unk_14C[0] == 0) {
                 if (param0->unk_88[0] == 12) {
                     param0->unk_226C = ov88_0223D2C4;
@@ -1813,7 +1813,7 @@ static int ov88_0223D3E0 (UnkStruct_02095E80 * param0)
 
 static int ov88_0223D434 (UnkStruct_02095E80 * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02019CB8(param0->unk_174, 0, 0, 0, 0, 32, 24, 0);
         ov88_0223ECBC(&param0->unk_49C[21], 15, 1, param0->unk_184, param0->unk_178);
         param0->unk_226C = ov88_0223D150;
diff --git a/src/overlay090/ov90_021D0D80.c b/src/overlay090/ov90_021D0D80.c
index ce13634038..42f68f9a8a 100644
--- a/src/overlay090/ov90_021D0D80.c
+++ b/src/overlay090/ov90_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "inlines.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
@@ -331,7 +331,7 @@ static void ov90_021D1034 (void * param0)
 
 static int ov90_021D105C (UnkStruct_ov90_021D0ECC * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         sub_02005748(1500);
         return 1;
     }
@@ -377,12 +377,12 @@ static int ov90_021D1080 (UnkStruct_ov90_021D0ECC * param0)
 {
     int v0 = 0;
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1500);
         return 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02005748(1500);
 
         if (param0->unk_0B >= 10) {
@@ -392,26 +392,26 @@ static int ov90_021D1080 (UnkStruct_ov90_021D0ECC * param0)
         param0->unk_0D = (param0->unk_0D + 1) % 2;
         v0 = 1;
     } else {
-        if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+        if (coresys.unk_4C & PAD_KEY_UP) {
             v0 = inline_ov90_021D1080(param0);
 
             if (v0) {
                 sub_02005748(1500);
             }
-        } else if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+        } else if (coresys.unk_4C & PAD_KEY_DOWN) {
             v0 = inline_ov90_021D1080_1(param0);
 
             if (v0) {
                 sub_02005748(1500);
             }
-        } else if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+        } else if (coresys.unk_4C & PAD_KEY_LEFT) {
             param0->unk_0C = (param0->unk_0C + 2) % 3;
             v0 = 1;
 
             if (param0->unk_0B != 10) {
                 sub_02005748(1500);
             }
-        } else if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+        } else if (coresys.unk_4C & PAD_KEY_RIGHT) {
             param0->unk_0C = (param0->unk_0C + 1) % 3;
             v0 = 1;
 
diff --git a/src/overlay091/ov91_021D0D80.c b/src/overlay091/ov91_021D0D80.c
index 10023dacab..7ad26a767b 100644
--- a/src/overlay091/ov91_021D0D80.c
+++ b/src/overlay091/ov91_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02001AF4_decl.h"
@@ -674,7 +674,7 @@ static int ov91_021D122C (UnkStruct_ov91_021D0ED8 * param0)
     u32 v0;
     u16 v1, v2;
 
-    if (Unk_021BF67C.unk_48 & (PAD_KEY_LEFT | PAD_KEY_RIGHT)) {
+    if (coresys.padInput & (PAD_KEY_LEFT | PAD_KEY_RIGHT)) {
         sub_02005748(1501);
         param0->unk_00->unk_14 ^= 1;
         ov91_021D1498(param0);
diff --git a/src/overlay092/ov92_021D0D80.c b/src/overlay092/ov92_021D0D80.c
index c834435cf4..08eae5a6cf 100644
--- a/src/overlay092/ov92_021D0D80.c
+++ b/src/overlay092/ov92_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02001AF4_decl.h"
@@ -364,7 +364,7 @@ int ov92_021D0D80 (UnkStruct_020067E8 * param0, int * param1)
     v0->unk_BACC = sub_020203AC(v0->unk_00);
     v0->unk_BAE8 = 0;
 
-    Unk_021BF67C.unk_65 = 1;
+    coresys.unk_65 = 1;
 
     GXLayers_SwapDisplay();
     sub_02017DD4(4, 8);
@@ -616,7 +616,7 @@ int ov92_021D0EB8 (UnkStruct_020067E8 * param0, int * param1)
         u16 v10 = v0->unk_BAD8;
         ov92_021D1700(v0);
 
-        if ((Unk_021BF67C.unk_48 & PAD_BUTTON_B) || (v0->unk_BAF8 & PAD_BUTTON_B)) {
+        if ((coresys.padInput & PAD_BUTTON_B) || (v0->unk_BAF8 & PAD_BUTTON_B)) {
             sub_0200DC9C(&v0->unk_B834, 0);
             sub_02005748(1501);
             sub_0201AE78(&v0->unk_B814, 15, 0, 0, 27 * 8, 4 * 8);
@@ -629,7 +629,7 @@ int ov92_021D0EB8 (UnkStruct_020067E8 * param0, int * param1)
                 *param1 = 17;
             }
         } else {
-            if ((Unk_021BF67C.unk_48 & PAD_BUTTON_X) && (v0->unk_BB28 == 0)) {
+            if ((coresys.padInput & PAD_BUTTON_X) && (v0->unk_BB28 == 0)) {
                 v0->unk_BB28 = 1;
                 ov92_021D1F90(v0);
 
@@ -639,7 +639,7 @@ int ov92_021D0EB8 (UnkStruct_020067E8 * param0, int * param1)
                 break;
             }
 
-            if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_X | PAD_BUTTON_A | PAD_BUTTON_B)) && (v0->unk_BB28 == 1)) {
+            if ((coresys.padInput & (PAD_BUTTON_X | PAD_BUTTON_A | PAD_BUTTON_B)) && (v0->unk_BB28 == 1)) {
                 v0->unk_BB28 = 0;
                 ov92_021D1F90(v0);
                 break;
@@ -648,7 +648,7 @@ int ov92_021D0EB8 (UnkStruct_020067E8 * param0, int * param1)
             {
                 BOOL v11;
 
-                v11 = ov92_021D2460(v0, Unk_021BF67C.unk_48, Unk_021BF67C.unk_44);
+                v11 = ov92_021D2460(v0, coresys.padInput, coresys.unk_44);
 
                 if ((v11 == 1) && (v0->unk_BB28 == 1)) {
                     v0->unk_BB28 = 0;
@@ -717,7 +717,7 @@ int ov92_021D1478 (UnkStruct_020067E8 * param0, int * param1)
     sub_02006830(param0);
     Heap_Destroy(v1);
 
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
 
     return 1;
 }
@@ -856,8 +856,8 @@ static void ov92_021D1700 (UnkStruct_ov92_021D1B24 * param0)
 
     param0->unk_BAF8 = 0;
 
-    if (Unk_021BF67C.unk_60) {
-        if ((Unk_021BF67C.unk_5C >= (25 * 8)) && (Unk_021BF67C.unk_5C <= ((25 + 6) * 8)) && (Unk_021BF67C.unk_5E >= (21 * 8)) && (Unk_021BF67C.unk_5E <= ((21 + 2) * 8))) {
+    if (coresys.touchInput) {
+        if ((coresys.unk_5C >= (25 * 8)) && (coresys.unk_5C <= ((25 + 6) * 8)) && (coresys.unk_5E >= (21 * 8)) && (coresys.unk_5E <= ((21 + 2) * 8))) {
             param0->unk_BAF8 = PAD_BUTTON_B;
             return;
         } else {
@@ -866,13 +866,13 @@ static void ov92_021D1700 (UnkStruct_ov92_021D1B24 * param0)
             param0->unk_BB0C = 0;
             param0->unk_BB10 = 0;
             param0->unk_BAF8 = 0;
-            param0->unk_BB00 = Unk_021BF67C.unk_5C;
-            param0->unk_BB04 = Unk_021BF67C.unk_5E;
+            param0->unk_BB00 = coresys.unk_5C;
+            param0->unk_BB04 = coresys.unk_5E;
             param0->unk_BB10 = 4;
         }
     }
 
-    if (Unk_021BF67C.unk_62) {
+    if (coresys.unk_62) {
         switch (param0->unk_BAFC) {
         case 0:
             if (!param0->unk_BB10) {
@@ -885,8 +885,8 @@ static void ov92_021D1700 (UnkStruct_ov92_021D1B24 * param0)
             param0->unk_BAF8 = v0 | v2;
             param0->unk_BB08 = v1;
             param0->unk_BB0C = v3;
-            param0->unk_BB00 = Unk_021BF67C.unk_5C;
-            param0->unk_BB04 = Unk_021BF67C.unk_5E;
+            param0->unk_BB00 = coresys.unk_5C;
+            param0->unk_BB04 = coresys.unk_5E;
             break;
         }
     } else {
@@ -908,8 +908,8 @@ static void ov92_021D1818 (int param0, int param1, int * param2, int * param3, i
     int v2 = 0;
     int v3 = 0;
 
-    if (Unk_021BF67C.unk_5C != 0xffff) {
-        v2 = Unk_021BF67C.unk_5C - param0;
+    if (coresys.unk_5C != 0xffff) {
+        v2 = coresys.unk_5C - param0;
 
         if (v2 < 0) {
             v2 ^= -1;
@@ -925,8 +925,8 @@ static void ov92_021D1818 (int param0, int param1, int * param2, int * param3, i
     *param2 = v0;
     *param3 = v2;
 
-    if (Unk_021BF67C.unk_5E != 0xffff) {
-        v3 = Unk_021BF67C.unk_5E - param1;
+    if (coresys.unk_5E != 0xffff) {
+        v3 = coresys.unk_5E - param1;
 
         if (v3 < 0) {
             v3 ^= -1;
@@ -1034,7 +1034,7 @@ static BOOL ov92_021D1B70 (UnkStruct_ov92_021D1B24 * param0, u32 param1, int par
         }
         break;
     case 2:
-        if ((param2 != 0) || (Unk_021BF67C.unk_48 & PAD_BUTTON_A)) {
+        if ((param2 != 0) || (coresys.padInput & PAD_BUTTON_A)) {
             param0->unk_B864 = 0;
             v0 = 1;
         }
diff --git a/src/overlay094/ov94_0223C610.c b/src/overlay094/ov94_0223C610.c
index e17b861824..1bb1d16062 100644
--- a/src/overlay094/ov94_0223C610.c
+++ b/src/overlay094/ov94_0223C610.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "message.h"
@@ -431,11 +431,11 @@ static int ov94_0223CBEC (UnkStruct_ov94_0223FD4C * param0)
 
 static int ov94_0223CC28 (UnkStruct_ov94_0223FD4C * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         ov94_0223CFD8(param0, 7, ov94_0223C4D4(param0), 0, 0xf0f);
         ov94_0223C3F4(param0, 10, 12);
         sub_02021CC8(param0->unk_E20, 0);
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    } else if (coresys.padInput & PAD_BUTTON_A) {
         switch (param0->unk_10C) {
         case 0:
             if (param0->unk_36 == 0) {
@@ -470,13 +470,13 @@ static int ov94_0223CC28 (UnkStruct_ov94_0223FD4C * param0)
             sub_02005748(1500);
             break;
         }
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    } else if (coresys.padInput & PAD_KEY_UP) {
         if (param0->unk_10C != 0) {
             param0->unk_10C--;
             sub_02005748(1500);
             ov94_0223C3FC(param0->unk_E20, Unk_ov94_02245A48[param0->unk_10C][0], Unk_ov94_02245A48[param0->unk_10C][1]);
         }
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    } else if (coresys.padInput & PAD_KEY_DOWN) {
         if (param0->unk_10C < 2) {
             param0->unk_10C++;
             sub_02005748(1500);
diff --git a/src/overlay094/ov94_0223D0C4.c b/src/overlay094/ov94_0223D0C4.c
index 732dacaf04..3aa0837b4e 100644
--- a/src/overlay094/ov94_0223D0C4.c
+++ b/src/overlay094/ov94_0223D0C4.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "message.h"
@@ -361,11 +361,11 @@ static int ov94_0223D5B0 (UnkStruct_ov94_0223FD4C * param0)
 
 static int ov94_0223D5B8 (UnkStruct_ov94_0223FD4C * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         ov94_0223D88C(param0, 5, 1, 0, 0xf0f, (Pokemon *)param0->unk_12C.unk_00.unk_00);
         ov94_0223C3F4(param0, 3, 7);
         sub_02005748(1500);
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    } else if (coresys.padInput & PAD_BUTTON_B) {
         param0->unk_2C = 2;
         ov94_0223C4C0(param0, 1, 0);
         sub_02005748(1500);
diff --git a/src/overlay094/ov94_0223DC04.c b/src/overlay094/ov94_0223DC04.c
index 34ab1f2ba5..008f3fa11a 100644
--- a/src/overlay094/ov94_0223DC04.c
+++ b/src/overlay094/ov94_0223DC04.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -330,22 +330,22 @@ static int ov94_0223E09C (UnkStruct_ov94_0223FD4C * param0)
 
 static int ov94_0223E0A4 (UnkStruct_ov94_0223FD4C * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         ov94_0223E300(param0, 16, 1, 0, 0xf0f);
         ov94_0223C3F4(param0, 3, 4);
         sub_02005748(1500);
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    } else if (coresys.padInput & PAD_BUTTON_B) {
         param0->unk_2C = 2;
         ov94_0223C4C0(param0, 4, 0);
         sub_02005748(1500);
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    } else if (coresys.padInput & PAD_KEY_RIGHT) {
         if (param0->unk_10E == 0) {
             param0->unk_10E = 1;
             param0->unk_2C = 6;
 
             sub_02005748(1500);
         }
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    } else if (coresys.padInput & PAD_KEY_LEFT) {
         if (param0->unk_10E != 0) {
             param0->unk_10E = 0;
             param0->unk_2C = 6;
diff --git a/src/overlay094/ov94_0223E46C.c b/src/overlay094/ov94_0223E46C.c
index 662ef5020d..8c995a4a9d 100644
--- a/src/overlay094/ov94_0223E46C.c
+++ b/src/overlay094/ov94_0223E46C.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "inlines.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
@@ -418,7 +418,7 @@ static int ov94_0223EA84 (UnkStruct_ov94_0223FD4C * param0)
 {
     ov94_0223EFAC(param0);
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         int v0 = ov94_0223EF94(param0);
 
         switch (v0) {
@@ -455,7 +455,7 @@ static int ov94_0223EA84 (UnkStruct_ov94_0223FD4C * param0)
             sub_02005748(1500);
             break;
         }
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    } else if (coresys.padInput & PAD_BUTTON_B) {
         ov94_0223F9A4(param0, 15, 1, 0, 0xf0f);
         ov94_0223C3F4(param0, 23, 25);
         sub_02005748(1500);
@@ -690,7 +690,7 @@ static void ov94_0223EFAC (UnkStruct_ov94_0223FD4C * param0)
 {
     int v0;
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         if (param0->unk_10E4->unk_24 == 0) {
             if (param0->unk_10E4->unk_28 > 0) {
                 param0->unk_10E4->unk_28--;
@@ -703,7 +703,7 @@ static void ov94_0223EFAC (UnkStruct_ov94_0223FD4C * param0)
 
             param0->unk_10E4->unk_2C = 0;
         }
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    } else if (coresys.padInput & PAD_KEY_DOWN) {
         if (param0->unk_10E4->unk_24 == 0) {
             if (param0->unk_10E4->unk_28 < 3) {
                 param0->unk_10E4->unk_28++;
@@ -716,13 +716,13 @@ static void ov94_0223EFAC (UnkStruct_ov94_0223FD4C * param0)
 
             param0->unk_10E4->unk_2C = 1;
         }
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    } else if (coresys.padInput & PAD_KEY_RIGHT) {
         if (param0->unk_10E4->unk_24 != 1) {
             sub_02005748(1500);
         }
 
         param0->unk_10E4->unk_24 = 1;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    } else if (coresys.padInput & PAD_KEY_LEFT) {
         if (param0->unk_10E4->unk_24 != 0) {
             sub_02005748(1500);
         }
diff --git a/src/overlay094/ov94_0223FB48.c b/src/overlay094/ov94_0223FB48.c
index 77468f8740..0f87479354 100644
--- a/src/overlay094/ov94_0223FB48.c
+++ b/src/overlay094/ov94_0223FB48.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -551,11 +551,11 @@ static int ov94_022402BC (UnkStruct_ov94_0223FD4C * param0)
     ov94_022404F0(param0);
 
     if (param0->unk_24 == 5) {
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             ov94_0223C4C0(param0, 1, 0);
             param0->unk_2C = 2;
             sub_02005748(1500);
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        } else if (coresys.padInput & PAD_BUTTON_A) {
             if (param0->unk_112 == 30) {
                 ov94_0223C4C0(param0, 1, 0);
                 param0->unk_2C = 2;
@@ -584,11 +584,11 @@ static int ov94_022402BC (UnkStruct_ov94_0223FD4C * param0)
             }
         }
     } else if (param0->unk_24 == 6) {
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             ov94_0223C4C0(param0, 3, 0);
             param0->unk_2C = 2;
             sub_02005748(1500);
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        } else if (coresys.padInput & PAD_BUTTON_A) {
             if (param0->unk_112 == 30) {
                 ov94_0223C4C0(param0, 3, 0);
                 param0->unk_2C = 2;
@@ -632,13 +632,13 @@ static void ov94_022404F0 (UnkStruct_ov94_0223FD4C * param0)
 {
     int v0 = 0, v1 = 0, v2 = 0;
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         v1 = 1;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    } else if (coresys.padInput & PAD_KEY_DOWN) {
         v1 = 2;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    } else if (coresys.padInput & PAD_KEY_LEFT) {
         v1 = 3;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    } else if (coresys.padInput & PAD_KEY_RIGHT) {
         v1 = 4;
     }
 
diff --git a/src/overlay094/ov94_022414B8.c b/src/overlay094/ov94_022414B8.c
index 2dda20edfe..3cc4ebcdb9 100644
--- a/src/overlay094/ov94_022414B8.c
+++ b/src/overlay094/ov94_022414B8.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "message.h"
@@ -535,7 +535,7 @@ static int ov94_0224195C (UnkStruct_ov94_0223FD4C * param0)
 
 static int ov94_02241990 (UnkStruct_ov94_0223FD4C * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         ov94_0223C4C0(param0, 5, 5);
         param0->unk_2C = 2;
     }
diff --git a/src/overlay094/ov94_02244950.c b/src/overlay094/ov94_02244950.c
index 3fce81df5c..c96c9ec858 100644
--- a/src/overlay094/ov94_02244950.c
+++ b/src/overlay094/ov94_02244950.c
@@ -3,7 +3,7 @@
 #include <dwc.h>
 
 #include "inlines.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "message.h"
@@ -756,7 +756,7 @@ static int ov94_02245540 (UnkStruct_ov94_0223FD4C * param0)
 
 static int ov94_02245564 (UnkStruct_ov94_0223FD4C * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A || Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_A || coresys.padInput & PAD_BUTTON_B) {
         sub_0200DC9C(&param0->unk_F8C, 0);
         param0->unk_2C = 0;
     }
diff --git a/src/overlay096/ov96_0223BCE0.c b/src/overlay096/ov96_0223BCE0.c
index af05f63b07..77a6ccb80e 100644
--- a/src/overlay096/ov96_0223BCE0.c
+++ b/src/overlay096/ov96_0223BCE0.c
@@ -3,7 +3,7 @@
 #include <dwc.h>
 
 #include "inlines.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "message.h"
@@ -891,7 +891,7 @@ static int ov96_0223CA28 (UnkStruct_ov96_0223BF40 * param0)
 
 static int ov96_0223CA70 (UnkStruct_ov96_0223BF40 * param0)
 {
-    if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+    if (coresys.unk_4C & PAD_KEY_UP) {
         param0->unk_98++;
 
         if (param0->unk_98 > param0->unk_94) {
@@ -900,7 +900,7 @@ static int ov96_0223CA70 (UnkStruct_ov96_0223BF40 * param0)
 
         ov96_0223D90C(&param0->unk_E58, param0->unk_BE4, param0->unk_98, 3);
         sub_02005748(1500);
-    } else if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+    } else if (coresys.unk_4C & PAD_KEY_DOWN) {
         param0->unk_98--;
 
         if (param0->unk_98 < 1) {
@@ -909,7 +909,7 @@ static int ov96_0223CA70 (UnkStruct_ov96_0223BF40 * param0)
 
         ov96_0223D90C(&param0->unk_E58, param0->unk_BE4, param0->unk_98, 3);
         sub_02005748(1500);
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    } else if (coresys.padInput & PAD_BUTTON_A) {
         {
             RTCTime v0;
             RTCDate v1;
@@ -925,7 +925,7 @@ static int ov96_0223CA70 (UnkStruct_ov96_0223BF40 * param0)
 
         ov96_0223D950(param0, 0, 0);
         sub_02005748(1500);
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    } else if (coresys.padInput & PAD_BUTTON_B) {
         ov96_0223D950(param0, 0, 0);
         param0->unk_1C = 21;
         sub_02005748(1500);
@@ -1156,7 +1156,7 @@ static int ov96_0223CF5C (UnkStruct_ov96_0223BF40 * param0)
 
 static int ov96_0223CFAC (UnkStruct_ov96_0223BF40 * param0)
 {
-    if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+    if (coresys.unk_4C & PAD_KEY_UP) {
         param0->unk_90++;
 
         if (param0->unk_90 > 10) {
@@ -1165,7 +1165,7 @@ static int ov96_0223CFAC (UnkStruct_ov96_0223BF40 * param0)
 
         ov96_0223D90C(&param0->unk_E48, param0->unk_BE8, param0->unk_90, 2);
         sub_02005748(1500);
-    } else if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+    } else if (coresys.unk_4C & PAD_KEY_DOWN) {
         param0->unk_90--;
 
         if (param0->unk_90 < 1) {
@@ -1174,11 +1174,11 @@ static int ov96_0223CFAC (UnkStruct_ov96_0223BF40 * param0)
 
         ov96_0223D90C(&param0->unk_E48, param0->unk_BE8, param0->unk_90, 2);
         sub_02005748(1500);
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    } else if (coresys.padInput & PAD_BUTTON_A) {
         ov96_0223D950(param0, 0, 0);
         ov96_0223BBFC(param0, 11, 32);
         sub_02005748(1500);
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    } else if (coresys.padInput & PAD_BUTTON_B) {
         ov96_0223D950(param0, 0, 0);
         param0->unk_1C = 23;
         sub_02005748(1500);
@@ -1211,7 +1211,7 @@ static int ov96_0223D0B0 (UnkStruct_ov96_0223BF40 * param0)
 
 static int ov96_0223D100 (UnkStruct_ov96_0223BF40 * param0)
 {
-    if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+    if (coresys.unk_4C & PAD_KEY_UP) {
         param0->unk_98++;
 
         if (param0->unk_98 == param0->unk_94 + 1) {
@@ -1220,7 +1220,7 @@ static int ov96_0223D100 (UnkStruct_ov96_0223BF40 * param0)
 
         ov96_0223D90C(&param0->unk_E58, param0->unk_BE4, param0->unk_98, 3);
         sub_02005748(1500);
-    } else if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+    } else if (coresys.unk_4C & PAD_KEY_DOWN) {
         param0->unk_98--;
 
         if (param0->unk_98 < 1) {
@@ -1229,11 +1229,11 @@ static int ov96_0223D100 (UnkStruct_ov96_0223BF40 * param0)
 
         ov96_0223D90C(&param0->unk_E58, param0->unk_BE4, param0->unk_98, 3);
         sub_02005748(1500);
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    } else if (coresys.padInput & PAD_BUTTON_A) {
         ov96_0223D950(param0, 0, 0);
         param0->unk_1C = 35;
         sub_02005748(1500);
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    } else if (coresys.padInput & PAD_BUTTON_B) {
         ov96_0223D950(param0, 0, 0);
         param0->unk_1C = 29;
         sub_02005748(1500);
@@ -1590,7 +1590,7 @@ static int ov96_0223D7B8 (UnkStruct_ov96_0223BF40 * param0)
 
 static int ov96_0223D7E4 (UnkStruct_ov96_0223BF40 * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A || Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_A || coresys.padInput & PAD_BUTTON_B) {
         sub_0200DC9C(&param0->unk_E78, 0);
         param0->unk_1C = 0;
     }
diff --git a/src/overlay097/ov97_0222AE60.c b/src/overlay097/ov97_0222AE60.c
index e8a2d526f8..a50b0e4119 100644
--- a/src/overlay097/ov97_0222AE60.c
+++ b/src/overlay097/ov97_0222AE60.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "message.h"
@@ -206,7 +206,7 @@ static BOOL ov97_0222AE64 (UnkStruct_0222AE60 * param0)
             }
         }
     } else {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             sub_0200DC9C(&param0->unk_158, 0);
             sub_0201A8FC(&param0->unk_158);
@@ -391,10 +391,10 @@ static BOOL ov97_0222B07C (UnkStruct_0222AE60 * param0)
         if (param0->unk_134) {
             param0->unk_134--;
         } else {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 sub_0201A8FC(&param0->unk_13C);
                 param0->unk_12C = 19;
-                param0->unk_138 = Unk_021BF67C.unk_48;
+                param0->unk_138 = coresys.padInput;
                 sub_02005748(1500);
             }
         }
@@ -1075,8 +1075,8 @@ static int ov97_0222BE24 (UnkStruct_020067E8 * param0, int * param1)
         v1->unk_124 = 10;
         break;
     case 5:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 sub_02005748(1500);
                 v1->unk_58 = v1->unk_DC[v1->unk_54];
 
@@ -1119,11 +1119,11 @@ static int ov97_0222BE24 (UnkStruct_020067E8 * param0, int * param1)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+        if (coresys.padInput & PAD_KEY_UP) {
             ov97_0222BB88(v1, -1);
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+        if (coresys.padInput & PAD_KEY_DOWN) {
             ov97_0222BB88(v1, 1);
         }
 
diff --git a/src/overlay097/ov97_0222C174.c b/src/overlay097/ov97_0222C174.c
index 6a5431d7f7..60815b5fc6 100644
--- a/src/overlay097/ov97_0222C174.c
+++ b/src/overlay097/ov97_0222C174.c
@@ -3,7 +3,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "message.h"
@@ -589,7 +589,7 @@ static BOOL ov97_0222C404 (UnkStruct_ov97_0222C388 * param0)
         ov97_0223795C(param0->unk_04, &v0, 5, 4, 2);
         return 1;
     } else {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_0200DC9C(&param0->unk_18, 0);
             sub_0201A8FC(&param0->unk_18);
             return 0;
@@ -744,7 +744,7 @@ static int ov97_0222C78C (UnkStruct_020067E8 * param0, int * param1)
         }
         break;
     case UnkEnum_ov97_0222C78C_03:
-        if ((sub_0201D724(v0->unk_317C) == 0) && Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if ((sub_0201D724(v0->unk_317C) == 0) && coresys.padInput & PAD_BUTTON_A) {
             ov97_02237784(1);
             ov97_02237790(0, UnkEnum_ov97_0222C78C_12, param1, UnkEnum_ov97_0222C78C_13);
         }
@@ -771,7 +771,7 @@ static int ov97_0222C78C (UnkStruct_020067E8 * param0, int * param1)
         v0->unk_3180.unk_104.unk_4E_2 = 0;
         break;
     case UnkEnum_ov97_0222C78C_06:
-        if (Unk_021BF67C.unk_48) {
+        if (coresys.padInput) {
             ov97_02237790(0, UnkEnum_ov97_0222C78C_11, param1, UnkEnum_ov97_0222C78C_13);
         }
         break;
@@ -872,7 +872,7 @@ static int ov97_0222CAB4 (UnkStruct_ov97_0222C388 * param0, int * param1, int pa
         }
     }
 
-    if (param3 && Unk_021BF67C.unk_48 & param3) {
+    if (param3 && coresys.padInput & param3) {
         ov97_022333BC();
         *param1 = UnkEnum_ov97_0222C6F8_26;
         return 1;
@@ -952,7 +952,7 @@ int ov97_0222CB10 (UnkStruct_ov97_0222C388 * param0)
         *v3 = UnkEnum_ov97_0222C6F8_30;
         break;
     case UnkEnum_ov97_0222C6F8_30:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             *v3 = UnkEnum_ov97_0222C6F8_08;
         }
 
@@ -1090,7 +1090,7 @@ int ov97_0222CB10 (UnkStruct_ov97_0222C388 * param0)
                 param0->unk_148 = 0;
             }
 
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 *v3 = UnkEnum_ov97_0222C6F8_27;
                 return 4;
             }
@@ -1117,7 +1117,7 @@ int ov97_0222CB10 (UnkStruct_ov97_0222C388 * param0)
                 param0->unk_148 = 0;
             }
 
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 OS_ResetSystem(0);
             }
         }
diff --git a/src/overlay097/ov97_0222D30C.c b/src/overlay097/ov97_0222D30C.c
index 4b2b5a23bd..1754ef51fe 100644
--- a/src/overlay097/ov97_0222D30C.c
+++ b/src/overlay097/ov97_0222D30C.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02009DC8_decl.h"
@@ -2178,7 +2178,7 @@ static int ov97_0222F75C (UnkStruct_020067E8 * param0, int * param1)
             *param1 = 8;
         }
 
-        if ((Unk_021BF67C.unk_48 & PAD_BUTTON_B) || (--v3->unk_434 == 0)) {
+        if ((coresys.padInput & PAD_BUTTON_B) || (--v3->unk_434 == 0)) {
             ov97_0222D30C(v3, 0);
             ov97_0222D2DC();
             sub_02039794();
@@ -2210,7 +2210,7 @@ static int ov97_0222F75C (UnkStruct_020067E8 * param0, int * param1)
             break;
         }
 
-        if ((Unk_021BF67C.unk_48 & PAD_BUTTON_B) || (--v3->unk_434 == 0)) {
+        if ((coresys.padInput & PAD_BUTTON_B) || (--v3->unk_434 == 0)) {
             ov97_0222D2DC();
             sub_02039794();
             ov97_0222D40C(v3, -1);
@@ -2225,7 +2225,7 @@ static int ov97_0222F75C (UnkStruct_020067E8 * param0, int * param1)
 
         v1 = sub_0203608C();
 
-        if ((Unk_021BF67C.unk_48 & PAD_BUTTON_B) || (--v3->unk_434 == 0) || ((v1 != 0) && (sub_02035D78(v1) == 0))) {
+        if ((coresys.padInput & PAD_BUTTON_B) || (--v3->unk_434 == 0) || ((v1 != 0) && (sub_02035D78(v1) == 0))) {
             ov97_0222D30C(v3, 0);
             ov97_0222D2DC();
             sub_02039794();
@@ -2310,7 +2310,7 @@ static int ov97_0222F75C (UnkStruct_020067E8 * param0, int * param1)
         *param1 = 18;
         break;
     case 18:
-        if (Unk_021BF67C.unk_48) {
+        if (coresys.padInput) {
             sub_02005748(1500);
             ov97_0222DDD0(param0, (((1 + (18 + 12)) + 9) + 26 * 6), 0);
             *param1 = 3;
@@ -2399,7 +2399,7 @@ static int ov97_0222F75C (UnkStruct_020067E8 * param0, int * param1)
         *param1 = ov97_0222E228(param0, NULL, NULL, *param1);
         break;
     case 51:
-        if (Unk_021BF67C.unk_48) {
+        if (coresys.padInput) {
             ov97_0222D444(&v3->unk_58, 0);
             *param1 = ov97_0222DA64(param0);
         }
@@ -2420,7 +2420,7 @@ static int ov97_0222F75C (UnkStruct_020067E8 * param0, int * param1)
         return 1;
         break;
     case 55:
-        if (Unk_021BF67C.unk_48) {
+        if (coresys.padInput) {
             sub_02005748(1500);
 
             if (v3->unk_8C.unk_00.unk_4E_2 == 1) {
@@ -2603,7 +2603,7 @@ static void ov97_022302F4 (UnkStruct_ov97_0222D04C * param0)
         break;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         switch (Unk_ov97_0223F1A8) {
         case 40:
         case 41:
diff --git a/src/overlay097/ov97_02230410.c b/src/overlay097/ov97_02230410.c
index 82dfac90fb..49ea72f3cd 100644
--- a/src/overlay097/ov97_02230410.c
+++ b/src/overlay097/ov97_02230410.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -993,11 +993,11 @@ static void ov97_022314FC (UnkStruct_ov97_02230868 * param0, int param1, int * p
     int v0;
     int v1 = param0->unk_3E10;
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT && (param0->unk_3E10 != 1)) {
+    if (coresys.padInput & PAD_KEY_RIGHT && (param0->unk_3E10 != 1)) {
         param0->unk_3E10 = 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT && (param0->unk_3E10 != 0)) {
+    if (coresys.padInput & PAD_KEY_LEFT && (param0->unk_3E10 != 0)) {
         param0->unk_3E10 = 0;
     }
 
@@ -1008,13 +1008,13 @@ static void ov97_022314FC (UnkStruct_ov97_02230868 * param0, int param1, int * p
 
     v0 = 0;
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         v0 = 2;
-    } else if ((Unk_021BF67C.unk_48 & PAD_BUTTON_A) && param1 && (param0->unk_3E10 == 0)) {
+    } else if ((coresys.padInput & PAD_BUTTON_A) && param1 && (param0->unk_3E10 == 0)) {
         v0 = 1;
-    } else if ((Unk_021BF67C.unk_48 & PAD_BUTTON_A) && (param0->unk_3E10 == 1)) {
+    } else if ((coresys.padInput & PAD_BUTTON_A) && (param0->unk_3E10 == 1)) {
         v0 = 2;
-    } else if ((Unk_021BF67C.unk_48 & PAD_BUTTON_A) && (param1 == 0)) {
+    } else if ((coresys.padInput & PAD_BUTTON_A) && (param1 == 0)) {
         v0 = 3;
     }
 
@@ -1076,14 +1076,14 @@ static int ov97_0223161C (UnkStruct_020067E8 * param0, int * param1)
     case 3:
         v0 = v4->unk_2C20;
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+        if (coresys.padInput & PAD_KEY_UP) {
             v0 = ov97_02230F20(v4, v4->unk_2C20, -1);
-        } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+        } else if (coresys.padInput & PAD_KEY_DOWN) {
             v0 = ov97_02230F20(v4, v4->unk_2C20, 1);
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        } else if (coresys.padInput & PAD_BUTTON_B) {
             sub_02005748(1500);
             ov97_02230C10(v4, 0, 28, param1);
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        } else if (coresys.padInput & PAD_BUTTON_A) {
             sub_02005748(1500);
             *param1 = 4;
         }
@@ -1102,7 +1102,7 @@ static int ov97_0223161C (UnkStruct_020067E8 * param0, int * param1)
     case 5:
         ov97_02231088(param0, param1, NULL);
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             sub_02005748(1500);
             *param1 = 11;
         }
@@ -1125,7 +1125,7 @@ static int ov97_0223161C (UnkStruct_020067E8 * param0, int * param1)
     case 8:
         ov97_02231354(v4);
 
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1536);
             ov97_022312B4(v4, 1, 1 * FX32_ONE, 0.025 * FX32_ONE);
             *param1 = 9;
@@ -1241,7 +1241,7 @@ static int ov97_0223161C (UnkStruct_020067E8 * param0, int * param1)
         }
         break;
     case 25:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             *param1 = 19;
         }
         break;
diff --git a/src/overlay097/ov97_02233B18.c b/src/overlay097/ov97_02233B18.c
index 6833805a12..11c13c025f 100644
--- a/src/overlay097/ov97_02233B18.c
+++ b/src/overlay097/ov97_02233B18.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -724,7 +724,7 @@ static void ov97_022343A8 (UnkStruct_ov97_02234A2C * param0)
             v1 = ov97_02234124(param0, param0->unk_E8E4, v0);
             v2 = ov97_02234148(param0, param0->unk_E8E4, v0);
             v5 = ov97_0223416C(param0, param0->unk_E8E4, v0);
-            v3 = Unk_021BF67C.unk_66;
+            v3 = coresys.unk_66;
             v4 = GBASpeciesToDSFormId(ov97_02236DD0(v1), v5, v3);
 
             ov97_022342E4(v1, v2, v4, v0, param0->unk_20C[v0].unk_00, v6, v7);
@@ -1417,7 +1417,7 @@ static void ov97_02234DFC (UnkStruct_ov97_02234A2C * param0)
     GXLayers_SetBanks(&v0);
     ov97_02234D28(param0->unk_20);
 
-    Unk_021BF67C.unk_65 = 1;
+    coresys.unk_65 = 1;
 
     GXLayers_SwapDisplay();
     sub_0201D710();
@@ -1492,7 +1492,7 @@ static void ov97_02234F88 (UnkStruct_ov97_02234A2C * param0)
         v1 = ov97_02234124(param0, param0->unk_42C[v0].unk_08, param0->unk_42C[v0].unk_04);
         v2 = ov97_02234148(param0, param0->unk_42C[v0].unk_08, param0->unk_42C[v0].unk_04);
         v4 = ov97_0223416C(param0, param0->unk_42C[v0].unk_08, param0->unk_42C[v0].unk_04);
-        v3 = Unk_021BF67C.unk_66;
+        v3 = coresys.unk_66;
 
         ov97_02234278(v1, v2, v4, v3, v0, param0->unk_478[v0]);
     }
@@ -1596,7 +1596,7 @@ static void ov97_022351F0 (UnkStruct_ov97_02234A2C * param0)
     sub_0201F8B4();
 
     sub_02015938(param0->unk_E8EC);
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
 
     sub_02019044(param0->unk_20, 0);
@@ -1774,7 +1774,7 @@ static BOOL ov97_02235590 (UnkStruct_ov97_02234A2C * param0, int param1)
                 return 1;
             }
         } else {
-            if (Unk_021BF67C.unk_60 || Unk_021BF67C.unk_48) {
+            if (coresys.touchInput || coresys.padInput) {
                 sub_02002B20(0);
                 sub_02005748(1500);
                 return 1;
@@ -1935,7 +1935,7 @@ static int ov97_022356E8 (UnkStruct_020067E8 * param0, int * param1)
         }
         break;
     case 7:
-        if (Unk_021BF67C.unk_60 || Unk_021BF67C.unk_48) {
+        if (coresys.touchInput || coresys.padInput) {
             ov97_02234CC4(v3, 0, 12, param1);
         }
         break;
@@ -2129,7 +2129,7 @@ static int ov97_022356E8 (UnkStruct_020067E8 * param0, int * param1)
         }
         break;
     case 22:
-        if (Unk_021BF67C.unk_60 || Unk_021BF67C.unk_48) {
+        if (coresys.touchInput || coresys.padInput) {
             ov97_02234CF4(v3, 0, 24, param1);
             sub_02005748(1500);
         }
diff --git a/src/overlay097/ov97_02236380.c b/src/overlay097/ov97_02236380.c
index 3119d8b30b..89a6715e41 100644
--- a/src/overlay097/ov97_02236380.c
+++ b/src/overlay097/ov97_02236380.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "pokemon.h"
 
 #include "overlay097/box_pokemon_gba.h"
@@ -1563,7 +1563,7 @@ void BoxMonGBAToBoxMon (BoxPokemonGBA * param0, BoxPokemon * param1)
     }
 
     if (BoxPokemon_GetValue(param1, MON_DATA_SPECIES, NULL) == 386) {
-        switch (Unk_021BF67C.unk_66) {
+        switch (coresys.unk_66) {
         default:
         case 2:
         case 1:
diff --git a/src/overlay097/ov97_02238D74.c b/src/overlay097/ov97_02238D74.c
index 37a71d722e..6c1f56b7f4 100644
--- a/src/overlay097/ov97_02238D74.c
+++ b/src/overlay097/ov97_02238D74.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 
@@ -237,7 +237,7 @@ int ov97_02238EAC (UnkStruct_020067E8 * param0, int * param1)
             }
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             v2->unk_26D8 = 1;
         }
         break;
@@ -262,7 +262,7 @@ int ov97_02238EAC (UnkStruct_020067E8 * param0, int * param1)
             *param1 = 4109;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             DWC_NASLoginAbort();
         }
         break;
@@ -318,7 +318,7 @@ int ov97_02238EAC (UnkStruct_020067E8 * param0, int * param1)
         break;
     case 4107:
         if (Unk_ov97_02240400 == 0) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+            if (coresys.padInput & PAD_BUTTON_B) {
                 ov97_02238E44(v2, 3, param1, 4108, 4108);
             } else {
                 if (DWC_NdGetProgress(&v2->unk_26BC, &v2->unk_26C0) == 1) {
@@ -369,7 +369,7 @@ int ov97_02238EAC (UnkStruct_020067E8 * param0, int * param1)
         *param1 = 4112;
         break;
     case 4112:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             v2->unk_26DC = NULL;
             DWC_ClearError();
             ov97_02238E94();
@@ -386,7 +386,7 @@ int ov97_02238EAC (UnkStruct_020067E8 * param0, int * param1)
             } else {
                 *param1 = v2->unk_16B0;
             }
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        } else if (coresys.padInput & PAD_BUTTON_B) {
             v2->unk_26D8 = 1;
         }
         break;
@@ -394,7 +394,7 @@ int ov97_02238EAC (UnkStruct_020067E8 * param0, int * param1)
         if (Unk_ov97_02240404 == 1) {
             Unk_ov97_02240404 = 0;
             *param1 = v2->unk_16B0;
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        } else if (coresys.padInput & PAD_BUTTON_B) {
             v2->unk_26D8 = 1;
         }
 
diff --git a/src/overlay098/ov98_022471C8.c b/src/overlay098/ov98_022471C8.c
index d8833cfb85..43a0e41d25 100644
--- a/src/overlay098/ov98_022471C8.c
+++ b/src/overlay098/ov98_022471C8.c
@@ -3,7 +3,7 @@
 #include <dwc.h>
 
 #include "inlines.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02001AF4_decl.h"
@@ -368,7 +368,7 @@ int ov98_022471C8 (UnkStruct_020067E8 * param0, int * param1)
     GXLayers_EngineAToggleLayers(GX_PLANEMASK_OBJ, 1);
     GXLayers_EngineBToggleLayers(GX_PLANEMASK_OBJ, 1);
 
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
 
     GXLayers_SwapDisplay();
     sub_02002AC8(1);
@@ -1213,7 +1213,7 @@ asm static int ov98_02248350 (UnkStruct_ov98_02247704 * param0)
     str r1, [r0, #0]
     b _02248670
  _022484B8:
-    ldr r1, = Unk_021BF67C
+    ldr r1, = coresys
     add r0, #0xac
     ldr r2, [r1, #0x4c]
     ldr r4, [r0, #0]
@@ -1300,7 +1300,7 @@ asm static int ov98_02248350 (UnkStruct_ov98_02247704 * param0)
     bl ov98_022482CC
     b _02248670
  _02248566:
-    ldr r1, = Unk_021BF67C
+    ldr r1, = coresys
     mov r2, #0x10
     ldr r1, [r1, #0x48]
     tst r2, r1
@@ -2277,7 +2277,7 @@ static int ov98_02249414 (UnkStruct_ov98_02247704 * param0)
 
 static int ov98_02249438 (UnkStruct_ov98_02247704 * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A || Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_A || coresys.padInput & PAD_BUTTON_B) {
         sub_0200DC9C(&param0->unk_68, 0);
         param0->unk_08 = 0;
     }
diff --git a/src/overlay099/ov99_021D0D80.c b/src/overlay099/ov99_021D0D80.c
index 0b52e70568..e784d6f958 100644
--- a/src/overlay099/ov99_021D0D80.c
+++ b/src/overlay099/ov99_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "enums.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
@@ -163,7 +163,7 @@ int ov99_021D0D80 (UnkStruct_020067E8 * param0, int * param1)
     GX_SetVisibleWnd(GX_WNDMASK_W0);
     GXS_SetVisibleWnd(GX_WNDMASK_W0);
 
-    Unk_021BF67C.unk_65 = 1;
+    coresys.unk_65 = 1;
 
     GXLayers_SwapDisplay();
     GXLayers_TurnBothDispOn();
@@ -194,7 +194,7 @@ int ov99_021D1028 (UnkStruct_020067E8 * param0, int * param1)
         v0->unk_1110 = ov99_021D3F6C(v0->unk_110C, 1);
     }
 
-    if (v0->unk_00->unk_04 && (Unk_021BF67C.unk_48 & PAD_BUTTON_START)) {
+    if (v0->unk_00->unk_04 && (coresys.padInput & PAD_BUTTON_START)) {
         if ((v0->unk_1100 == 0) && (v0->unk_1101 < 6)) {
             sub_0200F174(0, 0, 0, 0x0, 6, 1, 75);
             v0->unk_1100 = 1;
diff --git a/src/overlay099/ov99_021D1A54.c b/src/overlay099/ov99_021D1A54.c
index 9ce49f75da..7a05008bd6 100644
--- a/src/overlay099/ov99_021D1A54.c
+++ b/src/overlay099/ov99_021D1A54.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02018340_decl.h"
 #include "strbuf.h"
@@ -1063,7 +1063,7 @@ static void ov99_021D2AAC (UnkStruct_ov99_021D2CB0 * param0)
 {
     UnkStruct_02018340 * v0 = param0->unk_08;
 
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
 
     GXLayers_SwapDisplay();
     sub_020038B0(param0->unk_0C, 0, 2, 0x0, 0, 1);
diff --git a/src/overlay099/ov99_021D3DE0.c b/src/overlay099/ov99_021D3DE0.c
index 08ab7542dc..a5f98ee5b1 100644
--- a/src/overlay099/ov99_021D3DE0.c
+++ b/src/overlay099/ov99_021D3DE0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "overlay099/struct_ov99_021D2CB0.h"
 #include "overlay099/struct_ov99_021D3A40.h"
@@ -21,7 +21,7 @@ BOOL ov99_021D3DE0 (UnkStruct_ov99_021D2CB0 * param0, UnkStruct_ov99_021D3A40 *
         break;
     case 1:
         if (ScreenWipe_Done() == 1) {
-            if ((param0->unk_10FC > 10080) || (Unk_021BF67C.unk_48 & PAD_BUTTON_A) || (Unk_021BF67C.unk_48 & PAD_BUTTON_START)) {
+            if ((param0->unk_10FC > 10080) || (coresys.padInput & PAD_BUTTON_A) || (coresys.padInput & PAD_BUTTON_START)) {
                 sub_0200F174(0, 0, 0, 0x0, 45, 1, 75);
                 param1->unk_00++;
             }
diff --git a/src/overlay100/ov100_021D0D80.c b/src/overlay100/ov100_021D0D80.c
index 01407eb691..adbc4a029f 100644
--- a/src/overlay100/ov100_021D0D80.c
+++ b/src/overlay100/ov100_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -162,7 +162,7 @@ int ov100_021D0F44 (UnkStruct_020067E8 * param0, int * param1)
     sub_0201A8FC(&v0->unk_0C.unk_30);
 
     ov100_021D111C(&v0->unk_0C);
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
 
     GXLayers_SwapDisplay();
     sub_02006830(param0);
diff --git a/src/overlay100/ov100_021D46C8.c b/src/overlay100/ov100_021D46C8.c
index 297cf8cb13..02608c13a7 100644
--- a/src/overlay100/ov100_021D46C8.c
+++ b/src/overlay100/ov100_021D46C8.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "message.h"
@@ -335,7 +335,7 @@ void ov100_021D4C94 (UnkStruct_ov100_021D46C8 * param0, int param1)
 
 void ov100_021D4DC8 (int param0)
 {
-    Unk_021BF67C.unk_65 = param0;
+    coresys.unk_65 = param0;
     GXLayers_SwapDisplay();
 }
 
diff --git a/src/overlay101/ov101_021D1A28.c b/src/overlay101/ov101_021D1A28.c
index 88397cd581..73648ac52d 100644
--- a/src/overlay101/ov101_021D1A28.c
+++ b/src/overlay101/ov101_021D1A28.c
@@ -3,7 +3,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0201CD38_decl.h"
 #include "overlay101/struct_ov101_021D5D90_decl.h"
@@ -380,7 +380,7 @@ static int ov101_021D1C9C (UnkStruct_ov101_021D13C8 * param0)
 
 static int ov101_021D1CBC (UnkStruct_ov101_021D13C8 * param0)
 {
-    u32 v0 = Unk_021BF67C.unk_48;
+    u32 v0 = coresys.padInput;
 
     if ((param0->unk_7C[0] == 1) && (v0 & PAD_BUTTON_Y)) {
         param0->unk_7C[0] = 2;
@@ -817,7 +817,7 @@ static int ov101_021D22D0 (UnkStruct_ov101_021D13C8 * param0)
 
 static int ov101_021D22F0 (UnkStruct_ov101_021D13C8 * param0)
 {
-    u32 v0 = Unk_021BF67C.unk_48;
+    u32 v0 = coresys.padInput;
 
     if ((param0->unk_7C[0] == 1) && (v0 & PAD_BUTTON_Y)) {
         param0->unk_7C[0] = 2;
@@ -1184,7 +1184,7 @@ static int ov101_021D2828 (UnkStruct_ov101_021D13C8 * param0)
 
 static int ov101_021D2850 (UnkStruct_ov101_021D13C8 * param0)
 {
-    u32 v0 = Unk_021BF67C.unk_48;
+    u32 v0 = coresys.padInput;
 
     if ((param0->unk_7C[0] == 1) && (v0 & PAD_BUTTON_Y)) {
         param0->unk_7C[0] = 2;
@@ -3145,7 +3145,7 @@ static void ov101_021D4614 (UnkStruct_0201CD38 * param0, void * param1)
 
         v0 = 0x3;
 
-        if (Unk_021BF67C.unk_44 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_BUTTON_X | PAD_BUTTON_Y)) {
+        if (coresys.unk_44 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_BUTTON_X | PAD_BUTTON_Y)) {
             v0 = 0x1;
         }
 
@@ -4293,7 +4293,7 @@ UnkEnum_ov101_021D9688 ov101_021D55D4 (UnkStruct_ov101_021D13C8 * param0, UnkEnu
 
 static int ov101_021D55F8 (u32 param0)
 {
-    u32 v0 = Unk_021BF67C.unk_48 & param0;
+    u32 v0 = coresys.padInput & param0;
 
     if (v0 == param0) {
         return 2;
diff --git a/src/overlay102/ov102_021D0D80.c b/src/overlay102/ov102_021D0D80.c
index e8428eb0f5..d1ff4befd6 100644
--- a/src/overlay102/ov102_021D0D80.c
+++ b/src/overlay102/ov102_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "message.h"
@@ -147,7 +147,7 @@ int ov102_021D0E2C (UnkStruct_020067E8 * param0, int * param1)
         }
         break;
     case 4:
-        if ((((Unk_021BF67C.unk_48 & PAD_BUTTON_A) == PAD_BUTTON_A)) || (((Unk_021BF67C.unk_48 & PAD_BUTTON_B) == PAD_BUTTON_B)) || (Unk_021BF67C.unk_60)) {
+        if ((((coresys.padInput & PAD_BUTTON_A) == PAD_BUTTON_A)) || (((coresys.padInput & PAD_BUTTON_B) == PAD_BUTTON_B)) || (coresys.touchInput)) {
             sub_0200F174(0, 0, 0, 0x0, 6, 1, v0->unk_00);
             *param1 = 5;
         }
diff --git a/src/overlay104/ov104_0222FBE4.c b/src/overlay104/ov104_0222FBE4.c
index 8f572f32b8..35b5d2ffe0 100644
--- a/src/overlay104/ov104_0222FBE4.c
+++ b/src/overlay104/ov104_0222FBE4.c
@@ -3,7 +3,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02002F38_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -2017,7 +2017,7 @@ static BOOL ov104_02231068 (UnkStruct_ov104_0222E930 * param0)
 
 static BOOL ov104_02231078 (UnkStruct_ov104_0222E930 * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         return 1;
     }
 
@@ -2033,7 +2033,7 @@ static BOOL ov104_02231090 (UnkStruct_ov104_0222E930 * param0)
 
 static BOOL ov104_022310B0 (UnkStruct_ov104_0222E930 * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         return 1;
     }
 
diff --git a/src/overlay104/ov104_02231F74.c b/src/overlay104/ov104_02231F74.c
index 0be9007848..1002fe6f91 100644
--- a/src/overlay104/ov104_02231F74.c
+++ b/src/overlay104/ov104_02231F74.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02001AF4_decl.h"
@@ -498,7 +498,7 @@ static void ov104_022324C8 (UnkStruct_0201CD38 * param0, void * param1)
 
     v0 = sub_02001BE0(v1->unk_B0);
 
-    if ((Unk_021BF67C.unk_4C & PAD_KEY_UP) || (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) || (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) || (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT)) {
+    if ((coresys.unk_4C & PAD_KEY_UP) || (coresys.unk_4C & PAD_KEY_DOWN) || (coresys.unk_4C & PAD_KEY_LEFT) || (coresys.unk_4C & PAD_KEY_RIGHT)) {
         ov104_022325D8(v1);
     }
 
@@ -845,7 +845,7 @@ static void ov104_0223296C (UnkStruct_0201CD38 * param0, void * param1)
         sub_02005748(1500);
     }
 
-    if ((Unk_021BF67C.unk_4C & PAD_KEY_UP) || (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) || (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) || (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT)) {
+    if ((coresys.unk_4C & PAD_KEY_UP) || (coresys.unk_4C & PAD_KEY_DOWN) || (coresys.unk_4C & PAD_KEY_LEFT) || (coresys.unk_4C & PAD_KEY_RIGHT)) {
         ov104_02232B2C(v2);
     }
 
diff --git a/src/overlay105/ov105_02241AE0.c b/src/overlay105/ov105_02241AE0.c
index 97c42b29a9..bff4111cc1 100644
--- a/src/overlay105/ov105_02241AE0.c
+++ b/src/overlay105/ov105_02241AE0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "struct_decls/struct_02002F38_decl.h"
@@ -907,19 +907,19 @@ static BOOL ov105_022426E0 (UnkStruct_ov105_02241FF4 * param0)
     case 1:
         ov105_02246080(param0->unk_30C);
 
-        if (Unk_021BF67C.unk_48 & (PAD_KEY_LEFT | PAD_KEY_RIGHT)) {
+        if (coresys.padInput & (PAD_KEY_LEFT | PAD_KEY_RIGHT)) {
             sub_02005748(1500);
             ov105_022453F8(param0, param0->unk_11, ov105_022461A0(param0->unk_30C), 0, param0->unk_31C);
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             sub_02005748(1500);
             ov105_022461A4(param0->unk_30C, 1);
             ov105_02244DF0(param0);
 
             param0->unk_310 = ov105_02245FB8(&param0->unk_144, (NELEMS(Unk_ov105_02246308)), (NELEMS(Unk_ov105_02246308)), 1, 0, Unk_ov105_02246308, NULL);
             param0->unk_08++;
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        } else if (coresys.padInput & PAD_BUTTON_B) {
             if (param0->unk_11 > 0) {
                 sub_02005748(1500);
                 ov105_0224296C(param0);
@@ -1438,12 +1438,12 @@ static BOOL ov105_022434BC (UnkStruct_ov105_02241FF4 * param0)
     case 1:
         ov105_02246080(param0->unk_30C);
 
-        if (Unk_021BF67C.unk_48 & (PAD_KEY_LEFT | PAD_KEY_RIGHT | PAD_KEY_UP | PAD_KEY_DOWN)) {
+        if (coresys.padInput & (PAD_KEY_LEFT | PAD_KEY_RIGHT | PAD_KEY_UP | PAD_KEY_DOWN)) {
             sub_02005748(1500);
             ov105_022453F8(param0, param0->unk_11, ov105_022461A0(param0->unk_30C), 1, param0->unk_31C);
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             sub_02005748(1500);
 
             if (ov105_022461A0(param0->unk_30C) == (param0->unk_1A - 1)) {
@@ -1456,7 +1456,7 @@ static BOOL ov105_022434BC (UnkStruct_ov105_02241FF4 * param0)
                 param0->unk_310 = ov105_02245FB8(&param0->unk_144, (NELEMS(Unk_ov105_02246308)), (NELEMS(Unk_ov105_02246308)), 1, 0, Unk_ov105_02246308, NULL);
                 param0->unk_08++;
             }
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        } else if (coresys.padInput & PAD_BUTTON_B) {
             sub_02005748(1500);
             ov105_02245528(param0, 1);
             return 1;
@@ -1654,17 +1654,17 @@ static BOOL ov105_02243A3C (UnkStruct_ov105_02241FF4 * param0)
     case 1:
         ov105_02246080(param0->unk_30C);
 
-        if (Unk_021BF67C.unk_48 & (PAD_KEY_UP | PAD_KEY_DOWN)) {
+        if (coresys.padInput & (PAD_KEY_UP | PAD_KEY_DOWN)) {
             sub_02005748(1500);
             ov105_022453F8(param0, 0, ov105_022461A0(param0->unk_30C), 0, param0->unk_320);
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_KEY_LEFT | PAD_KEY_RIGHT)) {
+        if (coresys.padInput & (PAD_KEY_LEFT | PAD_KEY_RIGHT)) {
             sub_02005748(1500);
             ov105_022453F8(param0, 0, ov105_022461A0(param0->unk_30C), 0, param0->unk_320);
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             sub_02005748(1500);
 
             if (ov105_022461A0(param0->unk_30C) == (param0->unk_1B - 1)) {
@@ -1681,7 +1681,7 @@ static BOOL ov105_02243A3C (UnkStruct_ov105_02241FF4 * param0)
                 param0->unk_10 = ov105_02244D14(param0, 14);
                 param0->unk_08++;
             }
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        } else if (coresys.padInput & PAD_BUTTON_B) {
             sub_02005748(1500);
             ov105_02245528(param0, 1);
             return 1;
diff --git a/src/overlay105/ov105_02245FB8.c b/src/overlay105/ov105_02245FB8.c
index 16abba7c48..1d9b8f0286 100644
--- a/src/overlay105/ov105_02245FB8.c
+++ b/src/overlay105/ov105_02245FB8.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02022550_decl.h"
 #include "overlay105/struct_ov105_02246060_decl.h"
@@ -88,24 +88,24 @@ void ov105_02246080 (UnkStruct_ov105_02246060 * param0)
         return;
     }
 
-    if (Unk_021BF67C.unk_48 == 0) {
+    if (coresys.padInput == 0) {
         return;
     }
 
     if (param0->unk_01 == 2) {
-        if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+        if (coresys.padInput & PAD_KEY_LEFT) {
             if (param0->unk_02 == 0) {
                 param0->unk_02 = (param0->unk_00 - 1);
             } else {
                 param0->unk_02--;
             }
-        } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+        } else if (coresys.padInput & PAD_KEY_RIGHT) {
             if (param0->unk_02 == (param0->unk_00 - 1)) {
                 param0->unk_02 = 0;
             } else {
                 param0->unk_02++;
             }
-        } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+        } else if (coresys.padInput & PAD_KEY_DOWN) {
             if (param0->unk_02 < (param0->unk_10)) {
                 param0->unk_02 = param0->unk_10;
             } else if (param0->unk_02 == (param0->unk_00 - 1)) {
@@ -113,7 +113,7 @@ void ov105_02246080 (UnkStruct_ov105_02246060 * param0)
             } else {
                 param0->unk_02++;
             }
-        } else if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+        } else if (coresys.padInput & PAD_KEY_UP) {
             if (param0->unk_02 < (param0->unk_10)) {
                 param0->unk_02 = (param0->unk_00 - 1);
             } else {
@@ -129,13 +129,13 @@ void ov105_02246080 (UnkStruct_ov105_02246060 * param0)
             v2 = PAD_KEY_UP;
         }
 
-        if (Unk_021BF67C.unk_48 & v1) {
+        if (coresys.padInput & v1) {
             param0->unk_02++;
 
             if (param0->unk_02 >= param0->unk_00) {
                 param0->unk_02 = 0;
             }
-        } else if (Unk_021BF67C.unk_48 & v2) {
+        } else if (coresys.padInput & v2) {
             if (param0->unk_02 == 0) {
                 param0->unk_02 = param0->unk_00;
             }
diff --git a/src/overlay106/ov106_02241AE0.c b/src/overlay106/ov106_02241AE0.c
index 25956921a9..202e88110d 100644
--- a/src/overlay106/ov106_02241AE0.c
+++ b/src/overlay106/ov106_02241AE0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "struct_decls/struct_02002F38_decl.h"
@@ -418,9 +418,9 @@ static BOOL ov106_02241E5C (UnkStruct_ov106_02243118 * param0)
         param0->unk_08 = 1;
         break;
     case 1:
-        ov106_02242D64(param0, Unk_021BF67C.unk_48);
+        ov106_02242D64(param0, coresys.padInput);
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             if (ov104_0223B5A4(param0->unk_0D) == 0xfe) {
                 sub_02005748(1501);
                 sub_0200F174(0, 0, 0, 0x0, 6, 1, 98);
@@ -1253,7 +1253,7 @@ static void ov106_02242D64 (UnkStruct_ov106_02243118 * param0, int param1)
 
     v0 = 0;
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    if (coresys.padInput & PAD_KEY_LEFT) {
         if (ov104_0223B5A4(param0->unk_0D) != 0xfe) {
             param0->unk_0C = param0->unk_0D;
         } else {
@@ -1271,7 +1271,7 @@ static void ov106_02242D64 (UnkStruct_ov106_02243118 * param0, int param1)
         v0 = 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    if (coresys.padInput & PAD_KEY_RIGHT) {
         if (ov104_0223B5A4(param0->unk_0D) != 0xfe) {
             param0->unk_0C = param0->unk_0D;
         } else {
@@ -1289,7 +1289,7 @@ static void ov106_02242D64 (UnkStruct_ov106_02243118 * param0, int param1)
         v0 = 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         if (ov104_0223B5A4(param0->unk_0D) != 0xfe) {
             param0->unk_0C = param0->unk_0D;
         } else {
@@ -1315,7 +1315,7 @@ static void ov106_02242D64 (UnkStruct_ov106_02243118 * param0, int param1)
         v0 = 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    if (coresys.padInput & PAD_KEY_DOWN) {
         if (ov104_0223B5A4(param0->unk_0D) != 0xfe) {
             param0->unk_0C = param0->unk_0D;
         } else {
diff --git a/src/overlay107/ov107_02241AE0.c b/src/overlay107/ov107_02241AE0.c
index edb5146226..ee348d6dcd 100644
--- a/src/overlay107/ov107_02241AE0.c
+++ b/src/overlay107/ov107_02241AE0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02001AF4_decl.h"
@@ -711,9 +711,9 @@ static BOOL ov107_02241EC8 (UnkStruct_ov107_02241D6C * param0)
             return 0;
         }
 
-        ov107_02244BD8(param0, Unk_021BF67C.unk_48);
+        ov107_02244BD8(param0, coresys.padInput);
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             sub_02005748(1500);
 
             if (param0->unk_0D >= param0->unk_15) {
@@ -724,7 +724,7 @@ static BOOL ov107_02241EC8 (UnkStruct_ov107_02241D6C * param0)
                 param0->unk_08 = 1;
                 break;
             }
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        } else if (coresys.padInput & PAD_BUTTON_B) {
             if (param0->unk_0D != param0->unk_15) {
                 sub_02005748(1500);
                 param0->unk_0D = param0->unk_15;
@@ -775,7 +775,7 @@ static BOOL ov107_02241EC8 (UnkStruct_ov107_02241D6C * param0)
     case 2:
         sub_020014D0(param0->unk_198, &param0->unk_16);
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+        if (coresys.padInput & PAD_KEY_UP) {
             if (param0->unk_16 == 0) {
                 sub_02001408(param0->unk_198, (UnkStruct_ov84_02240FA8 *)&param0->unk_1A0, 0, ((NELEMS(Unk_ov107_02249FF0)) - 1), 1, PAD_KEY_DOWN, NULL, NULL);
                 sub_020013AC(param0->unk_198);
@@ -783,7 +783,7 @@ static BOOL ov107_02241EC8 (UnkStruct_ov107_02241D6C * param0)
                 ov107_0224379C(param0, &param0->unk_50[6], 28, 1, 1, 0xff, 1, 2, 15, 1);
                 return 0;
             }
-        } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+        } else if (coresys.padInput & PAD_KEY_DOWN) {
             if (param0->unk_16 == ((NELEMS(Unk_ov107_02249FF0)) - 1)) {
                 sub_02001408(param0->unk_198, (UnkStruct_ov84_02240FA8 *)&param0->unk_1A0, 0, 0, 1, PAD_KEY_UP, NULL, NULL);
                 sub_020013AC(param0->unk_198);
@@ -956,7 +956,7 @@ static BOOL ov107_02241EC8 (UnkStruct_ov107_02241D6C * param0)
         }
         break;
     case 6:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             ov107_02245618(param0);
             ov107_02244064(param0);
@@ -965,7 +965,7 @@ static BOOL ov107_02241EC8 (UnkStruct_ov107_02241D6C * param0)
         }
         break;
     case 7:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             ov107_02245288(&param0->unk_50[6]);
             ov107_02244064(param0);
@@ -1151,7 +1151,7 @@ static BOOL ov107_02241EC8 (UnkStruct_ov107_02241D6C * param0)
         }
         break;
     case 13:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             ov107_02245618(param0);
             ov107_0224409C(param0);
@@ -1160,7 +1160,7 @@ static BOOL ov107_02241EC8 (UnkStruct_ov107_02241D6C * param0)
         }
         break;
     case 14:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             ov107_02245288(&param0->unk_50[6]);
             ov107_0224409C(param0);
@@ -1168,14 +1168,14 @@ static BOOL ov107_02241EC8 (UnkStruct_ov107_02241D6C * param0)
         }
         break;
     case 15:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             ov107_022456E4(param0);
             param0->unk_08 = 9;
         }
         break;
     case 16:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             param0->unk_0A = ov107_02243918(param0, 61, 1);
             ov107_022441DC(param0);
@@ -1222,7 +1222,7 @@ static BOOL ov107_02241EC8 (UnkStruct_ov107_02241D6C * param0)
         }
         break;
     case 19:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             ov107_02245288(&param0->unk_50[6]);
             ov107_02243FA4(param0);
@@ -1230,11 +1230,11 @@ static BOOL ov107_02241EC8 (UnkStruct_ov107_02241D6C * param0)
         }
         break;
     case 20:
-        if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+        if (coresys.padInput & PAD_KEY_LEFT) {
             ov107_02245140(param0, -1);
-        } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+        } else if (coresys.padInput & PAD_KEY_RIGHT) {
             ov107_02245140(param0, 1);
-        } else if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        } else if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             ov107_02245BE0(param0);
             ov107_02244018(param0);
@@ -1242,11 +1242,11 @@ static BOOL ov107_02241EC8 (UnkStruct_ov107_02241D6C * param0)
         }
         break;
     case 21:
-        if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+        if (coresys.padInput & PAD_KEY_LEFT) {
             ov107_0224518C(param0, -1);
-        } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+        } else if (coresys.padInput & PAD_KEY_RIGHT) {
             ov107_0224518C(param0, 1);
-        } else if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        } else if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             ov107_02245BE0(param0);
             ov107_02244018(param0);
@@ -3149,7 +3149,7 @@ static void ov107_02244BD8 (UnkStruct_ov107_02241D6C * param0, int param1)
     v1 = 0;
     v0 = ov107_02249C98(param0->unk_14, param0->unk_0D);
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    if (coresys.padInput & PAD_KEY_LEFT) {
         if (param0->unk_0D == param0->unk_15) {
             return;
         }
@@ -3163,7 +3163,7 @@ static void ov107_02244BD8 (UnkStruct_ov107_02241D6C * param0, int param1)
         v1 = 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    if (coresys.padInput & PAD_KEY_RIGHT) {
         if (param0->unk_0D == param0->unk_15) {
             return;
         }
@@ -3177,7 +3177,7 @@ static void ov107_02244BD8 (UnkStruct_ov107_02241D6C * param0, int param1)
         v1 = 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         if (param0->unk_0D < param0->unk_14) {
             return;
         }
@@ -3186,7 +3186,7 @@ static void ov107_02244BD8 (UnkStruct_ov107_02241D6C * param0, int param1)
         v1 = 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    if (coresys.padInput & PAD_KEY_DOWN) {
         if (param0->unk_0D >= param0->unk_15) {
             return;
         }
diff --git a/src/overlay107/ov107_02245EB0.c b/src/overlay107/ov107_02245EB0.c
index 4806c6f87e..87f79b92eb 100644
--- a/src/overlay107/ov107_02245EB0.c
+++ b/src/overlay107/ov107_02245EB0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02001AF4_decl.h"
@@ -511,9 +511,9 @@ static BOOL ov107_022462CC (UnkStruct_ov107_02246170 * param0)
         param0->unk_0F_3 = 0;
         break;
     case 1:
-        ov107_02248358(param0, Unk_021BF67C.unk_48);
+        ov107_02248358(param0, coresys.padInput);
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             sub_02005748(1500);
 
             if (param0->unk_0D >= param0->unk_15) {
@@ -524,7 +524,7 @@ static BOOL ov107_022462CC (UnkStruct_ov107_02246170 * param0)
                 param0->unk_08 = 2;
                 break;
             }
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        } else if (coresys.padInput & PAD_BUTTON_B) {
             if (param0->unk_0D != param0->unk_15) {
                 sub_02005748(1500);
                 param0->unk_0D = param0->unk_15;
@@ -869,7 +869,7 @@ static BOOL ov107_022462CC (UnkStruct_ov107_02246170 * param0)
         }
         break;
     case 10:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             ov107_02248BB4(param0);
             ov107_022482FC(param0);
             ov107_02249C60(param0->unk_3C4, 211, 105);
@@ -894,14 +894,14 @@ static BOOL ov107_022462CC (UnkStruct_ov107_02246170 * param0)
         }
         break;
     case 14:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             ov107_022482FC(param0);
             param0->unk_08 = 6;
         }
         break;
     case 15:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             ov107_02248860(&param0->unk_50[7]);
             ov107_02248240(param0);
@@ -909,11 +909,11 @@ static BOOL ov107_022462CC (UnkStruct_ov107_02246170 * param0)
         }
         break;
     case 16:
-        if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+        if (coresys.padInput & PAD_KEY_LEFT) {
             ov107_0224877C(param0, -1);
-        } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+        } else if (coresys.padInput & PAD_KEY_RIGHT) {
             ov107_0224877C(param0, 1);
-        } else if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        } else if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             ov107_02249238(param0);
             ov107_022482B0(param0);
@@ -921,11 +921,11 @@ static BOOL ov107_022462CC (UnkStruct_ov107_02246170 * param0)
         }
         break;
     case 17:
-        if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+        if (coresys.padInput & PAD_KEY_LEFT) {
             ov107_022487DC(param0, -1);
-        } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+        } else if (coresys.padInput & PAD_KEY_RIGHT) {
             ov107_022487DC(param0, 1);
-        } else if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        } else if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             ov107_02249238(param0);
             ov107_022482B0(param0);
@@ -2525,7 +2525,7 @@ static void ov107_02248358 (UnkStruct_ov107_02246170 * param0, int param1)
     v1 = 0;
     v0 = ov107_02249C98(param0->unk_14, param0->unk_0D);
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    if (coresys.padInput & PAD_KEY_LEFT) {
         if (param0->unk_0D == param0->unk_15) {
             return;
         }
@@ -2539,7 +2539,7 @@ static void ov107_02248358 (UnkStruct_ov107_02246170 * param0, int param1)
         v1 = 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    if (coresys.padInput & PAD_KEY_RIGHT) {
         if (param0->unk_0D == param0->unk_15) {
             return;
         }
@@ -2553,7 +2553,7 @@ static void ov107_02248358 (UnkStruct_ov107_02246170 * param0, int param1)
         v1 = 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         if (param0->unk_0D < param0->unk_14) {
             return;
         }
@@ -2562,7 +2562,7 @@ static void ov107_02248358 (UnkStruct_ov107_02246170 * param0, int param1)
         v1 = 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    if (coresys.padInput & PAD_KEY_DOWN) {
         if (param0->unk_0D >= param0->unk_15) {
             return;
         }
@@ -2705,7 +2705,7 @@ static BOOL ov107_0224850C (UnkStruct_ov107_02246170 * param0, u8 param1, u8 par
         break;
     case 3:
         if (ov104_0223BA14(param0->unk_09) == 0) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 sub_02005748(1500);
                 ov107_02248A2C(param0, param1);
                 param0->unk_0F_0 = 0;
@@ -2718,7 +2718,7 @@ static BOOL ov107_0224850C (UnkStruct_ov107_02246170 * param0, u8 param1, u8 par
         break;
     case 4:
         if (ov104_0223BA14(param0->unk_09) == 0) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 sub_02005748(1500);
                 ov107_02248AF0(param0, param1);
                 param0->unk_0F_0 = 0;
diff --git a/src/overlay108/ov108_02241AE0.c b/src/overlay108/ov108_02241AE0.c
index 5e35030364..8abe3de9c6 100644
--- a/src/overlay108/ov108_02241AE0.c
+++ b/src/overlay108/ov108_02241AE0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "struct_decls/struct_02002F38_decl.h"
@@ -609,7 +609,7 @@ static BOOL ov108_02241F28 (UnkStruct_ov108_02241DB0 * param0)
         param0->unk_08 = 6;
         break;
     case 6:
-        ov108_02242964(param0, Unk_021BF67C.unk_48);
+        ov108_02242964(param0, coresys.padInput);
 
         if (sub_0203608C() == 0) {
             if (param0->unk_18 > 0) {
diff --git a/src/overlay109/ov109_021D0D80.c b/src/overlay109/ov109_021D0D80.c
index a8f3ca6647..837d963e73 100644
--- a/src/overlay109/ov109_021D0D80.c
+++ b/src/overlay109/ov109_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02002F38_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -1369,7 +1369,7 @@ static int ov109_021D1A14 (UnkStruct_ov109_021D0F70 * param0)
     ov109_021D2634(param0, 11);
     sub_020364F0(202);
 
-    Unk_021BF67C.unk_68 = 1;
+    coresys.unk_68 = 1;
     param0->unk_00 = 44;
 
     return 0;
@@ -1393,7 +1393,7 @@ static int ov109_021D1AA8 (UnkStruct_ov109_021D0F70 * param0)
         param0->unk_CC->unk_14.unk_08, 2, &param0->unk_04);
 
     if (v0) {
-        Unk_021BF67C.unk_68 = 0;
+        coresys.unk_68 = 0;
         sub_0200EBA0(param0->unk_DC8);
         param0->unk_00 = 48;
     }
diff --git a/src/overlay109/ov109_021D3D50.c b/src/overlay109/ov109_021D3D50.c
index 6e5f471fd1..9f79e66a12 100644
--- a/src/overlay109/ov109_021D3D50.c
+++ b/src/overlay109/ov109_021D3D50.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -747,7 +747,7 @@ static int ov109_021D478C (UnkStruct_ov109_021D5140 * param0, int param1)
 
 static void ov109_021D47B8 (UnkStruct_ov109_021D5140 * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         if (sub_0203608C() == 0) {
             if ((ov109_021D548C() == param0->unk_10->unk_2C) && (param0->unk_10->unk_30 == 0)) {
                 u8 v0 = 1;
@@ -760,7 +760,7 @@ static void ov109_021D47B8 (UnkStruct_ov109_021D5140 * param0)
                 sub_02005748(1522);
             }
         }
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    } else if (coresys.padInput & PAD_BUTTON_B) {
         if (sub_0203608C()) {
             if (param0->unk_10->unk_28 == 0) {
                 ov109_021D55A8(param0, 4, 0);
@@ -861,7 +861,7 @@ static int ov109_021D4980 (UnkStruct_ov109_021D5140 * param0, int param1)
 
     if (sub_0203608C()) {
         if (param0->unk_10->unk_28) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
                 sub_02005748(1522);
             }
 
@@ -870,7 +870,7 @@ static int ov109_021D4980 (UnkStruct_ov109_021D5140 * param0, int param1)
         }
     } else {
         if (param0->unk_10->unk_30 != 0) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
                 sub_02005748(1522);
             }
 
@@ -985,7 +985,7 @@ static int ov109_021D4B94 (UnkStruct_ov109_021D5140 * param0, int param1)
     u32 v1;
 
     if ((ov109_021D548C() != param0->unk_10->unk_2C) || (param0->unk_10->unk_30 != 0)) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
             sub_02005748(1522);
         }
 
@@ -1061,7 +1061,7 @@ static int ov109_021D4CC8 (UnkStruct_ov109_021D5140 * param0, int param1)
 {
     void * v0;
 
-    Unk_021BF67C.unk_68 = 1;
+    coresys.unk_68 = 1;
 
     v0 = sub_0202C1B4(95);
     sub_0202B758(param0->unk_0C->unk_14.unk_18, v0, 4);
@@ -1088,7 +1088,7 @@ static int ov109_021D4D20 (UnkStruct_ov109_021D5140 * param0, int param1)
 
         param0->unk_1C.unk_00 = 0;
         param0->unk_3C4 = 0;
-        Unk_021BF67C.unk_68 = 0;
+        coresys.unk_68 = 0;
         param0->unk_10->unk_24 = 0;
     }
 
@@ -1143,7 +1143,7 @@ static int ov109_021D4E28 (UnkStruct_ov109_021D5140 * param0, int param1)
     int v0;
 
     if ((param0->unk_10->unk_2C != ov109_021D548C()) || (param0->unk_10->unk_30 != 0)) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_KEY_UP | PAD_KEY_DOWN)) {
             sub_02005748(1522);
         }
 
diff --git a/src/overlay110/ov110_021D0D80.c b/src/overlay110/ov110_021D0D80.c
index d5be2fb853..bb4d13d2ff 100644
--- a/src/overlay110/ov110_021D0D80.c
+++ b/src/overlay110/ov110_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02002F38_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -228,7 +228,7 @@ static BOOL ov110_021D0FD0 (UnkStruct_ov110_021D0F78 * param0)
         break;
     case 1:
 
-        if ((Unk_021BF67C.unk_44 & PAD_BUTTON_A) || (Unk_021BF67C.unk_44 & PAD_BUTTON_B)) {
+        if ((coresys.unk_44 & PAD_BUTTON_A) || (coresys.unk_44 & PAD_BUTTON_B)) {
             return 1;
         }
         break;
diff --git a/src/overlay112/ov112_0225C700.c b/src/overlay112/ov112_0225C700.c
index f7e2be40d3..c5aa218792 100644
--- a/src/overlay112/ov112_0225C700.c
+++ b/src/overlay112/ov112_0225C700.c
@@ -3,7 +3,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -393,7 +393,7 @@ int ov112_0225C7C4 (UnkStruct_020067E8 * param0, int * param1)
         }
         break;
     case 2:
-        if ((Unk_021BF67C.unk_48 & PAD_BUTTON_B) || (ov66_0222E12C(v1->unk_08) == 1) || (ov66_02231760() == 1)) {
+        if ((coresys.padInput & PAD_BUTTON_B) || (ov66_0222E12C(v1->unk_08) == 1) || (ov66_02231760() == 1)) {
             if ((ov66_0222E12C(v1->unk_08) == 1)) {
                 ov66_0222E2A4(v1->unk_08);
             }
@@ -513,7 +513,7 @@ static void ov112_0225CA34 (UnkStruct_ov112_0225C9BC * param0, u32 param1)
     sub_02018368(&Unk_ov112_0225D834);
 
     param0->unk_00 = sub_02018340(param1);
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
 
     GXLayers_SwapDisplay();
 
@@ -553,7 +553,7 @@ static void ov112_0225CB60 (UnkStruct_ov112_0225C9BC * param0)
     }
 
     Heap_FreeToHeap(param0->unk_00);
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
 }
 
diff --git a/src/overlay113/ov113_0225C700.c b/src/overlay113/ov113_0225C700.c
index 938458f159..2ce0b4a2f2 100644
--- a/src/overlay113/ov113_0225C700.c
+++ b/src/overlay113/ov113_0225C700.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02002F38_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -448,7 +448,7 @@ int ov113_0225C700 (UnkStruct_020067E8 * param0, int * param1)
     GXLayers_EngineBToggleLayers(GX_PLANEMASK_BG1, 1);
     GXLayers_EngineBToggleLayers(GX_PLANEMASK_BG2, 1);
 
-    Unk_021BF67C.unk_65 = 1;
+    coresys.unk_65 = 1;
 
     GXLayers_SwapDisplay();
     GXLayers_TurnBothDispOn();
@@ -489,10 +489,10 @@ int ov113_0225CA04 (UnkStruct_020067E8 * param0, int * param1)
         }
         break;
     case 2:
-        if (Unk_021BF67C.unk_60 && (Unk_021BF67C.unk_5E < 160)) {
+        if (coresys.touchInput && (coresys.unk_5E < 160)) {
             if (ov113_0225E318(v0, ((32 << 8) / 6)) == 1) {
-                v0->unk_8D8[v0->unk_920].unk_09 = Unk_021BF67C.unk_5C;
-                v0->unk_8D8[v0->unk_920].unk_0A = Unk_021BF67C.unk_5E;
+                v0->unk_8D8[v0->unk_920].unk_09 = coresys.unk_5C;
+                v0->unk_8D8[v0->unk_920].unk_0A = coresys.unk_5E;
 
                 ov113_0225DDC0(v0, &v0->unk_8D8[v0->unk_920], v0->unk_168.unk_04);
                 ov113_02260818(&v0->unk_8D8[v0->unk_920]);
diff --git a/src/overlay114/ov114_0225C700.c b/src/overlay114/ov114_0225C700.c
index 55a6314cc0..07b9645173 100644
--- a/src/overlay114/ov114_0225C700.c
+++ b/src/overlay114/ov114_0225C700.c
@@ -3,7 +3,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02009714_decl.h"
@@ -1348,7 +1348,7 @@ static void ov114_0225CEF0 (UnkStruct_ov114_0225CEF0 * param0, const UnkStruct_o
     param0->unk_04 = param2;
     param0->unk_08 = param3;
 
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
 
     {
diff --git a/src/overlay115/ov115_02260440.c b/src/overlay115/ov115_02260440.c
index 4c06876b7c..9cba9fa57d 100644
--- a/src/overlay115/ov115_02260440.c
+++ b/src/overlay115/ov115_02260440.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "overlay114/struct_ov114_0225D678_decl.h"
@@ -132,7 +132,7 @@ int ov115_0226048C (UnkStruct_020067E8 * param0, int * param1)
         }
         break;
     case 2:
-        if (Unk_021BF67C.unk_44 & PAD_BUTTON_A) {
+        if (coresys.unk_44 & PAD_BUTTON_A) {
             break;
         }
 
diff --git a/src/overlay115/ov115_02260CEC.c b/src/overlay115/ov115_02260CEC.c
index 0faf944366..7481502f41 100644
--- a/src/overlay115/ov115_02260CEC.c
+++ b/src/overlay115/ov115_02260CEC.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02009714_decl.h"
@@ -2345,7 +2345,7 @@ static void ov115_0226294C (UnkStruct_ov115_022622F8 * param0, const VecFx32 * p
 
 static void ov115_02262974 (UnkStruct_ov115_02260D78 * param0)
 {
-    if (Unk_021BF67C.unk_62 == 0) {
+    if (coresys.unk_62 == 0) {
         ov115_02262990(param0);
     } else {
         ov115_02262B70(param0);
@@ -2461,8 +2461,8 @@ static void ov115_02262B70 (UnkStruct_ov115_02260D78 * param0)
             v0.y = param0->unk_8690.unk_02[param0->unk_8690.unk_00 - 1].y;
             ov115_02262CBC(&param0->unk_20, v0);
         } else {
-            v0.x = Unk_021BF67C.unk_5C;
-            v0.y = Unk_021BF67C.unk_5E;
+            v0.x = coresys.unk_5C;
+            v0.y = coresys.unk_5E;
             ov115_02262CBC(&param0->unk_20, v0);
         }
     }
@@ -2478,8 +2478,8 @@ static BOOL ov115_02262C60 (UnkStruct_ov115_02260D78 * param0)
         return 0;
     }
 
-    v0 = 128 - Unk_021BF67C.unk_5C;
-    v1 = -96 - Unk_021BF67C.unk_5E;
+    v0 = 128 - coresys.unk_5C;
+    v1 = -96 - coresys.unk_5E;
     v2 = FX_Sqrt(((v0 * v0) + (v1 * v1)) << FX32_SHIFT) >> FX32_SHIFT;
 
     if (v2 <= (190 - -96)) {
@@ -3970,7 +3970,7 @@ static void ov115_02264BC0 (UnkStruct_ov115_02264BA0 * param0)
         return;
     }
 
-    ov115_02264BD8(param0, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E);
+    ov115_02264BD8(param0, coresys.unk_5C, coresys.unk_5E);
 }
 
 static void ov115_02264BD8 (UnkStruct_ov115_02264BA0 * param0, s32 param1, s32 param2)
diff --git a/src/overlay116/ov116_022604C4.c b/src/overlay116/ov116_022604C4.c
index f8d7cea61f..68862fbba0 100644
--- a/src/overlay116/ov116_022604C4.c
+++ b/src/overlay116/ov116_022604C4.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -836,7 +836,7 @@ void ov116_0226139C (UnkStruct_ov116_0226139C * param0)
     sub_0200D0B0(param0->unk_48.unk_08, param0->unk_48.unk_0C);
     sub_0200C8D4(param0->unk_48.unk_08);
 
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
 
     GXLayers_SwapDisplay();
     G3X_AlphaBlend(0);
@@ -1042,7 +1042,7 @@ static void ov116_02261494 (UnkStruct_02018340 * param0)
     GXLayers_EngineBToggleLayers(GX_PLANEMASK_BG3, 1);
     GXLayers_EngineBToggleLayers(GX_PLANEMASK_OBJ, 1);
 
-    Unk_021BF67C.unk_65 = 1;
+    coresys.unk_65 = 1;
 
     GXLayers_SwapDisplay();
     G2_SetBlendAlpha(0, GX_BLEND_PLANEMASK_BG1 | GX_BLEND_PLANEMASK_BG2 | GX_BLEND_PLANEMASK_BG3 | GX_BLEND_PLANEMASK_OBJ, 7, 10);
diff --git a/src/overlay117/ov117_02260668.c b/src/overlay117/ov117_02260668.c
index a4c4ed4fa8..e4bdf9c66d 100644
--- a/src/overlay117/ov117_02260668.c
+++ b/src/overlay117/ov117_02260668.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "enums.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
@@ -267,7 +267,7 @@ int ov117_02260668 (UnkStruct_020067E8 * param0, int * param1)
     sub_0200F174(0, 27, 27, 0x0, 6, 1, 110);
     v0->unk_94 = sub_0200D9E8(ov117_02260F7C, v0, 60000);
 
-    Unk_021BF67C.unk_65 = 1;
+    coresys.unk_65 = 1;
 
     GXLayers_SwapDisplay();
     GXLayers_TurnBothDispOn();
diff --git a/src/overlay117/ov117_022626B0.c b/src/overlay117/ov117_022626B0.c
index 2df10bb5b2..d7525e3b6d 100644
--- a/src/overlay117/ov117_022626B0.c
+++ b/src/overlay117/ov117_022626B0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "inlines.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
@@ -225,10 +225,10 @@ void ov117_02262798 (UnkStruct_ov117_02261280 * param0, UnkStruct_ov117_022626B0
         param1->unk_214 = 0;
         param1->unk_218 = 0;
     } else {
-        param1->unk_20C = Unk_021BF67C.unk_5C;
-        param1->unk_210 = Unk_021BF67C.unk_5E;
-        param1->unk_214 = Unk_021BF67C.unk_62;
-        param1->unk_218 = Unk_021BF67C.unk_60;
+        param1->unk_20C = coresys.unk_5C;
+        param1->unk_210 = coresys.unk_5E;
+        param1->unk_214 = coresys.unk_62;
+        param1->unk_218 = coresys.touchInput;
     }
 
     ov117_02263270(param1);
diff --git a/src/overlay121/ov121_021D0D80.c b/src/overlay121/ov121_021D0D80.c
index 194c985c3e..731557413a 100644
--- a/src/overlay121/ov121_021D0D80.c
+++ b/src/overlay121/ov121_021D0D80.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -93,7 +93,7 @@ int ov121_021D0D80 (UnkStruct_020067E8 * param0, int * param1)
     ov121_021D0FF4(v0);
     sub_0200F174(0, 1, 1, 0x0, 16, 1, 30);
 
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
 
     GXLayers_SwapDisplay();
     GXLayers_TurnBothDispOn();
diff --git a/src/unk_0200112C.c b/src/unk_0200112C.c
index 5b668c6ed7..dba5f40724 100644
--- a/src/unk_0200112C.c
+++ b/src/unk_0200112C.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <nnsys.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02013A04_decl.h"
 #include "struct_decls/struct_020149F0_decl.h"
@@ -90,15 +90,15 @@ u32 sub_02001288 (UnkStruct_0200112C * param0)
 
     param0->unk_2F = 0;
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         return param0->unk_00.unk_00[param0->unk_28 + param0->unk_2A].unk_04;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         return 0xfffffffe;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+    if (coresys.unk_4C & PAD_KEY_UP) {
         if (sub_02001A18(param0, 1, 1, 0) == 0) {
             param0->unk_2F = 1;
         }
@@ -106,7 +106,7 @@ u32 sub_02001288 (UnkStruct_0200112C * param0)
         return 0xffffffff;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+    if (coresys.unk_4C & PAD_KEY_DOWN) {
         if (sub_02001A18(param0, 1, 1, 1) == 0) {
             param0->unk_2F = 2;
         }
@@ -121,12 +121,12 @@ u32 sub_02001288 (UnkStruct_0200112C * param0)
         v1 = 0;
         break;
     case 1:
-        v0 = (Unk_021BF67C.unk_4C & PAD_KEY_LEFT);
-        v1 = (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT);
+        v0 = (coresys.unk_4C & PAD_KEY_LEFT);
+        v1 = (coresys.unk_4C & PAD_KEY_RIGHT);
         break;
     case 2:
-        v0 = (Unk_021BF67C.unk_4C & PAD_BUTTON_L);
-        v1 = (Unk_021BF67C.unk_4C & PAD_BUTTON_R);
+        v0 = (coresys.unk_4C & PAD_BUTTON_L);
+        v1 = (coresys.unk_4C & PAD_BUTTON_R);
         break;
     }
 
diff --git a/src/unk_02001AF4.c b/src/unk_02001AF4.c
index 5e510f5bea..8c5afd170c 100644
--- a/src/unk_02001AF4.c
+++ b/src/unk_02001AF4.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_02013A04_decl.h"
@@ -96,17 +96,17 @@ u32 sub_02001BE0 (UnkStruct_02001AF4 * param0)
 {
     param0->unk_1B = 0;
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02005748(1500);
         return param0->unk_00.unk_00[param0->unk_15].unk_04;
     }
 
-    if (Unk_021BF67C.unk_48 & param0->unk_10) {
+    if (coresys.padInput & param0->unk_10) {
         sub_02005748(1500);
         return 0xfffffffe;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         if (sub_02001DCC(param0, 0, 1500) == 1) {
             param0->unk_1B = 1;
         }
@@ -114,7 +114,7 @@ u32 sub_02001BE0 (UnkStruct_02001AF4 * param0)
         return 0xffffffff;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    if (coresys.padInput & PAD_KEY_DOWN) {
         if (sub_02001DCC(param0, 1, 1500) == 1) {
             param0->unk_1B = 2;
         }
@@ -122,7 +122,7 @@ u32 sub_02001BE0 (UnkStruct_02001AF4 * param0)
         return 0xffffffff;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    if (coresys.padInput & PAD_KEY_LEFT) {
         if (sub_02001DCC(param0, 2, 1500) == 1) {
             param0->unk_1B = 3;
         }
@@ -130,7 +130,7 @@ u32 sub_02001BE0 (UnkStruct_02001AF4 * param0)
         return 0xffffffff;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    if (coresys.padInput & PAD_KEY_RIGHT) {
         if (sub_02001DCC(param0, 3, 1500) == 1) {
             param0->unk_1B = 4;
         }
@@ -145,17 +145,17 @@ u32 sub_02001C94 (UnkStruct_02001AF4 * param0, u16 param1)
 {
     param0->unk_1B = 0;
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02005748(1500);
         return param0->unk_00.unk_00[param0->unk_15].unk_04;
     }
 
-    if (Unk_021BF67C.unk_48 & param0->unk_10) {
+    if (coresys.padInput & param0->unk_10) {
         sub_02005748(1500);
         return 0xfffffffe;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         if (sub_02001DCC(param0, 0, param1) == 1) {
             param0->unk_1B = 1;
         }
@@ -163,7 +163,7 @@ u32 sub_02001C94 (UnkStruct_02001AF4 * param0, u16 param1)
         return 0xffffffff;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    if (coresys.padInput & PAD_KEY_DOWN) {
         if (sub_02001DCC(param0, 1, param1) == 1) {
             param0->unk_1B = 2;
         }
@@ -171,7 +171,7 @@ u32 sub_02001C94 (UnkStruct_02001AF4 * param0, u16 param1)
         return 0xffffffff;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    if (coresys.padInput & PAD_KEY_LEFT) {
         if (sub_02001DCC(param0, 2, param1) == 1) {
             param0->unk_1B = 3;
         }
@@ -179,7 +179,7 @@ u32 sub_02001C94 (UnkStruct_02001AF4 * param0, u16 param1)
         return 0xffffffff;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    if (coresys.padInput & PAD_KEY_RIGHT) {
         if (sub_02001DCC(param0, 3, param1) == 1) {
             param0->unk_1B = 4;
         }
diff --git a/src/unk_02002328.c b/src/unk_02002328.c
index 209d8df4b5..e50bd632de 100644
--- a/src/unk_02002328.c
+++ b/src/unk_02002328.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_defs/struct_02002328.h"
 #include "struct_defs/struct_02002D18.h"
@@ -29,7 +29,7 @@ int sub_02002328 (UnkStruct_0201D834 * param0)
 
     switch (param0->unk_28) {
     case 0:
-        if (((Unk_021BF67C.unk_44 & (PAD_BUTTON_A | PAD_BUTTON_B)) && (v1->unk_00_4)) || ((Unk_021BF67C.unk_62) && (Unk_02101D44.unk_00_4))) {
+        if (((coresys.unk_44 & (PAD_BUTTON_A | PAD_BUTTON_B)) && (v1->unk_00_4)) || ((coresys.unk_62) && (Unk_02101D44.unk_00_4))) {
             param0->unk_2A = 0;
 
             if (param0->unk_29_0 != 0) {
@@ -41,7 +41,7 @@ int sub_02002328 (UnkStruct_0201D834 * param0)
             (param0->unk_2A)--;
 
             if (Unk_02101D44.unk_00_0) {
-                if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) || ((Unk_021BF67C.unk_60) && (Unk_02101D44.unk_00_4))) {
+                if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) || ((coresys.touchInput) && (Unk_02101D44.unk_00_4))) {
                     v1->unk_00_4 = 1;
                     param0->unk_2A = 0;
                 }
@@ -323,7 +323,7 @@ void sub_02002968 (UnkStruct_0201D834 * param0)
 
 static BOOL sub_020029FC (UnkStruct_0201D834 * param0)
 {
-    if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) || ((Unk_021BF67C.unk_60) && (Unk_02101D44.unk_00_4))) {
+    if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) || ((coresys.touchInput) && (Unk_02101D44.unk_00_4))) {
         sub_02005748(1500);
         Unk_02101D44.unk_00_7 = 1;
         return 1;
diff --git a/src/unk_0200D9E8.c b/src/unk_0200D9E8.c
index 7f34d8cb27..0a3a1f8888 100644
--- a/src/unk_0200D9E8.c
+++ b/src/unk_0200D9E8.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0201CD38_decl.h"
 
@@ -12,22 +12,22 @@
 
 UnkStruct_0201CD38 * sub_0200D9E8 (UnkFuncPtr_0201CE28 param0, void * param1, u32 param2)
 {
-    return sub_0201CE14(Unk_021BF67C.unk_18, param0, param1, param2);
+    return sub_0201CE14(coresys.unk_18, param0, param1, param2);
 }
 
 UnkStruct_0201CD38 * sub_0200DA04 (UnkFuncPtr_0201CE28 param0, void * param1, u32 param2)
 {
-    return sub_0201CE14(Unk_021BF67C.unk_1C, param0, param1, param2);
+    return sub_0201CE14(coresys.unk_1C, param0, param1, param2);
 }
 
 UnkStruct_0201CD38 * sub_0200DA20 (UnkFuncPtr_0201CE28 param0, void * param1, u32 param2)
 {
-    return sub_0201CE14(Unk_021BF67C.unk_24, param0, param1, param2);
+    return sub_0201CE14(coresys.unk_24, param0, param1, param2);
 }
 
 UnkStruct_0201CD38 * sub_0200DA3C (UnkFuncPtr_0201CE28 param0, void * param1, u32 param2)
 {
-    return sub_0201CE14(Unk_021BF67C.unk_20, param0, param1, param2);
+    return sub_0201CE14(coresys.unk_20, param0, param1, param2);
 }
 
 void sub_0200DA58 (UnkStruct_0201CD38 * param0)
diff --git a/src/unk_02017728.c b/src/unk_02017728.c
index 3246b8acf7..bc2bf26cb8 100644
--- a/src/unk_02017728.c
+++ b/src/unk_02017728.c
@@ -1,11 +1,10 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "functypes/funcptr_02017798.h"
 #include "struct_defs/struct_02017E74.h"
-#include "struct_defs/struct_021BF67C.h"
 
 #include "unk_02017728.h"
 #include "heap.h"
@@ -22,16 +21,16 @@ static void sub_02017808(BOOL param0);
 void sub_0201777C(void);
 static void sub_02017CA0(void);
 
-UnkStruct_021BF67C Unk_021BF67C;
+CoreSys coresys;
 
 void sub_02017728 (void)
 {
     OS_SetIrqCheckFlag(OS_IE_V_BLANK);
 
     MI_WaitDma(GX_DEFAULT_DMAID);
-    sub_0201CDD4(Unk_021BF67C.unk_1C);
+    sub_0201CDD4(coresys.unk_1C);
 
-    Unk_021BF67C.unk_30++;
+    coresys.unk_30++;
 }
 
 static void sub_0201775C (void)
@@ -49,28 +48,28 @@ void sub_0201777C (void)
 
 void sub_02017798 (UnkFuncPtr_02017798 param0, void * param1)
 {
-    Unk_021BF67C.unk_00 = param0;
-    Unk_021BF67C.unk_04 = param1;
+    coresys.unk_00 = param0;
+    coresys.unk_04 = param1;
 }
 
 void sub_020177A4 (void)
 {
     sub_02017808(0);
-    Unk_021BF67C.unk_08 = NULL;
-    Unk_021BF67C.unk_0C = NULL;
+    coresys.unk_08 = NULL;
+    coresys.unk_0C = NULL;
 }
 
 BOOL sub_020177BC (UnkFuncPtr_02017798 param0, void * param1)
 {
     if (param0 == NULL) {
         sub_02017808(0);
-        Unk_021BF67C.unk_08 = NULL;
-        Unk_021BF67C.unk_0C = NULL;
+        coresys.unk_08 = NULL;
+        coresys.unk_0C = NULL;
         return 1;
     } else {
-        if (Unk_021BF67C.unk_08 == NULL) {
-            Unk_021BF67C.unk_0C = param1;
-            Unk_021BF67C.unk_08 = param0;
+        if (coresys.unk_08 == NULL) {
+            coresys.unk_0C = param1;
+            coresys.unk_08 = param0;
             sub_02017808(1);
             return 1;
         } else {
@@ -81,8 +80,8 @@ BOOL sub_020177BC (UnkFuncPtr_02017798 param0, void * param1)
 
 static void sub_020177F4 (void)
 {
-    if (Unk_021BF67C.unk_08) {
-        Unk_021BF67C.unk_08(Unk_021BF67C.unk_0C);
+    if (coresys.unk_08) {
+        coresys.unk_08(coresys.unk_0C);
     }
 }
 
@@ -149,10 +148,10 @@ void sub_0201789C (void)
     OS_InitTick();
     sub_02017850();
 
-    Unk_021BF67C.unk_18 = sub_0201CD88(160, OS_AllocFromMainArenaLo(sub_0201CD80(160), 4));
-    Unk_021BF67C.unk_1C = sub_0201CD88(32, OS_AllocFromMainArenaLo(sub_0201CD80(32), 4));
-    Unk_021BF67C.unk_20 = sub_0201CD88(32, OS_AllocFromMainArenaLo(sub_0201CD80(32), 4));
-    Unk_021BF67C.unk_24 = sub_0201CD88(4, OS_AllocFromMainArenaLo(sub_0201CD80(4), 4));
+    coresys.unk_18 = sub_0201CD88(160, OS_AllocFromMainArenaLo(sub_0201CD80(160), 4));
+    coresys.unk_1C = sub_0201CD88(32, OS_AllocFromMainArenaLo(sub_0201CD80(32), 4));
+    coresys.unk_20 = sub_0201CD88(32, OS_AllocFromMainArenaLo(sub_0201CD80(32), 4));
+    coresys.unk_24 = sub_0201CD88(4, OS_AllocFromMainArenaLo(sub_0201CD80(4), 4));
 
     GX_DispOff();
     GXS_DispOff();
@@ -176,13 +175,13 @@ void sub_0201789C (void)
         FS_LoadTable(v1, v0);
     }
 
-    Unk_021BF67C.unk_00 = NULL;
-    Unk_021BF67C.unk_08 = NULL;
-    Unk_021BF67C.unk_10 = NULL;
-    Unk_021BF67C.unk_14 = NULL;
-    Unk_021BF67C.unk_70 = NULL;
-    Unk_021BF67C.unk_2C = 0;
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_00 = NULL;
+    coresys.unk_08 = NULL;
+    coresys.unk_10 = NULL;
+    coresys.unk_14 = NULL;
+    coresys.unk_70 = NULL;
+    coresys.unk_2C = 0;
+    coresys.unk_65 = 0;
 
     CARD_SetCacheFlushThreshold(0x500, 0x2400);
 
@@ -275,21 +274,21 @@ void sub_02017AF4 (void)
 {
     TPCalibrateParam v0;
 
-    Unk_021BF67C.unk_34 = 0;
-    Unk_021BF67C.unk_38 = 0;
-    Unk_021BF67C.unk_3C = 0;
-    Unk_021BF67C.unk_40 = 0;
-    Unk_021BF67C.unk_44 = 0;
-    Unk_021BF67C.unk_48 = 0;
-    Unk_021BF67C.unk_4C = 0;
-    Unk_021BF67C.unk_50 = 0;
-    Unk_021BF67C.unk_54 = 4;
-    Unk_021BF67C.unk_58 = 8;
-    Unk_021BF67C.unk_5C = 0;
-    Unk_021BF67C.unk_5E = 0;
-    Unk_021BF67C.unk_60 = 0;
-    Unk_021BF67C.unk_62 = 0;
-    Unk_021BF67C.unk_64 = 0;
+    coresys.unk_34 = 0;
+    coresys.unk_38 = 0;
+    coresys.unk_3C = 0;
+    coresys.unk_40 = 0;
+    coresys.unk_44 = 0;
+    coresys.padInput = 0;
+    coresys.unk_4C = 0;
+    coresys.unk_50 = 0;
+    coresys.unk_54 = 4;
+    coresys.unk_58 = 8;
+    coresys.unk_5C = 0;
+    coresys.unk_5E = 0;
+    coresys.touchInput = 0;
+    coresys.unk_62 = 0;
+    coresys.unk_64 = 0;
 
     TP_Init();
 
@@ -307,17 +306,17 @@ void sub_02017AF4 (void)
 
 void sub_02017B70 (int param0)
 {
-    Unk_021BF67C.unk_66 = param0;
+    coresys.unk_66 = param0;
 }
 
 void sub_02017B7C (u8 param0)
 {
-    Unk_021BF67C.unk_67 |= param0;
+    coresys.unk_67 |= param0;
 }
 
 void sub_02017B8C (u8 param0)
 {
-    Unk_021BF67C.unk_67 &= ~(param0);
+    coresys.unk_67 &= ~(param0);
 }
 
 void sub_02017B9C (void)
@@ -327,36 +326,36 @@ void sub_02017B9C (void)
     int v2;
 
     if (PAD_DetectFold()) {
-        Unk_021BF67C.unk_48 = 0;
-        Unk_021BF67C.unk_44 = 0;
-        Unk_021BF67C.unk_4C = 0;
-        Unk_021BF67C.unk_60 = 0;
-        Unk_021BF67C.unk_62 = 0;
+        coresys.padInput = 0;
+        coresys.unk_44 = 0;
+        coresys.unk_4C = 0;
+        coresys.touchInput = 0;
+        coresys.unk_62 = 0;
         return;
     }
 
     v2 = PAD_Read();
 
-    Unk_021BF67C.unk_3C = v2 & (v2 ^ Unk_021BF67C.unk_38);
-    Unk_021BF67C.unk_40 = v2 & (v2 ^ Unk_021BF67C.unk_38);
+    coresys.unk_3C = v2 & (v2 ^ coresys.unk_38);
+    coresys.unk_40 = v2 & (v2 ^ coresys.unk_38);
 
-    if ((v2 != 0) && (Unk_021BF67C.unk_38 == v2)) {
-        if (--Unk_021BF67C.unk_50 == 0) {
-            Unk_021BF67C.unk_40 = v2;
-            Unk_021BF67C.unk_50 = Unk_021BF67C.unk_54;
+    if ((v2 != 0) && (coresys.unk_38 == v2)) {
+        if (--coresys.unk_50 == 0) {
+            coresys.unk_40 = v2;
+            coresys.unk_50 = coresys.unk_54;
         }
     } else {
-        Unk_021BF67C.unk_50 = Unk_021BF67C.unk_58;
+        coresys.unk_50 = coresys.unk_58;
     }
 
-    Unk_021BF67C.unk_38 = v2;
-    Unk_021BF67C.unk_48 = Unk_021BF67C.unk_3C;
-    Unk_021BF67C.unk_44 = Unk_021BF67C.unk_38;
-    Unk_021BF67C.unk_4C = Unk_021BF67C.unk_40;
+    coresys.unk_38 = v2;
+    coresys.padInput = coresys.unk_3C;
+    coresys.unk_44 = coresys.unk_38;
+    coresys.unk_4C = coresys.unk_40;
 
     sub_02017CA0();
 
-    if (Unk_021BF67C.unk_64 == 0) {
+    if (coresys.unk_64 == 0) {
         while (TP_RequestRawSampling(&v0) != 0) {
             (void)0;
         }
@@ -367,16 +366,16 @@ void sub_02017B9C (void)
     TP_GetCalibratedPoint(&v1, &v0);
 
     if (v1.validity == TP_VALIDITY_VALID) {
-        Unk_021BF67C.unk_5C = v1.x;
-        Unk_021BF67C.unk_5E = v1.y;
+        coresys.unk_5C = v1.x;
+        coresys.unk_5E = v1.y;
     } else {
-        if (Unk_021BF67C.unk_62) {
+        if (coresys.unk_62) {
             switch (v1.validity) {
             case TP_VALIDITY_INVALID_X:
-                Unk_021BF67C.unk_5E = v1.y;
+                coresys.unk_5E = v1.y;
                 break;
             case TP_VALIDITY_INVALID_Y:
-                Unk_021BF67C.unk_5C = v1.x;
+                coresys.unk_5C = v1.x;
                 break;
             case TP_VALIDITY_INVALID_XY:
                 break;
@@ -388,126 +387,126 @@ void sub_02017B9C (void)
         }
     }
 
-    Unk_021BF67C.unk_60 = (u16)(v1.touch & (v1.touch ^ Unk_021BF67C.unk_62));
-    Unk_021BF67C.unk_62 = v1.touch;
+    coresys.touchInput = (u16)(v1.touch & (v1.touch ^ coresys.unk_62));
+    coresys.unk_62 = v1.touch;
 }
 
 static void sub_02017CA0 (void)
 {
-    switch (Unk_021BF67C.unk_34) {
+    switch (coresys.unk_34) {
     default:
     case 0:
         break;
     case 1:
-        if (Unk_021BF67C.unk_48 & 0x8) {
-            Unk_021BF67C.unk_48 |= 0x400;
+        if (coresys.padInput & 0x8) {
+            coresys.padInput |= 0x400;
         }
 
-        if (Unk_021BF67C.unk_44 & 0x8) {
-            Unk_021BF67C.unk_44 |= 0x400;
+        if (coresys.unk_44 & 0x8) {
+            coresys.unk_44 |= 0x400;
         }
 
-        if (Unk_021BF67C.unk_4C & 0x8) {
-            Unk_021BF67C.unk_4C |= 0x400;
+        if (coresys.unk_4C & 0x8) {
+            coresys.unk_4C |= 0x400;
         }
         break;
     case 2:
     {
         int v0 = 0;
 
-        if (Unk_021BF67C.unk_48 & 0x400) {
+        if (coresys.padInput & 0x400) {
             v0 |= 0x800;
         }
 
-        if (Unk_021BF67C.unk_48 & 0x800) {
+        if (coresys.padInput & 0x800) {
             v0 |= 0x400;
         }
 
-        Unk_021BF67C.unk_48 &= ((0x400 | 0x800) ^ 0xffff); Unk_021BF67C.unk_48 |= v0;
+        coresys.padInput &= ((0x400 | 0x800) ^ 0xffff); coresys.padInput |= v0;
     }
         {
             int v0 = 0;
 
-            if (Unk_021BF67C.unk_44 & 0x400) {
+            if (coresys.unk_44 & 0x400) {
                 v0 |= 0x800;
             }
 
-            if (Unk_021BF67C.unk_44 & 0x800) {
+            if (coresys.unk_44 & 0x800) {
                 v0 |= 0x400;
             }
 
-            Unk_021BF67C.unk_44 &= ((0x400 | 0x800) ^ 0xffff); Unk_021BF67C.unk_44 |= v0;
+            coresys.unk_44 &= ((0x400 | 0x800) ^ 0xffff); coresys.unk_44 |= v0;
         }
         {
             int v0 = 0;
 
-            if (Unk_021BF67C.unk_4C & 0x400) {
+            if (coresys.unk_4C & 0x400) {
                 v0 |= 0x800;
             }
 
-            if (Unk_021BF67C.unk_4C & 0x800) {
+            if (coresys.unk_4C & 0x800) {
                 v0 |= 0x400;
             }
 
-            Unk_021BF67C.unk_4C &= ((0x400 | 0x800) ^ 0xffff); Unk_021BF67C.unk_4C |= v0;
+            coresys.unk_4C &= ((0x400 | 0x800) ^ 0xffff); coresys.unk_4C |= v0;
         }
         break;
     case 3:
-        if (Unk_021BF67C.unk_48 & 0x200) {
-            Unk_021BF67C.unk_48 |= 0x1;
+        if (coresys.padInput & 0x200) {
+            coresys.padInput |= 0x1;
         }
 
-        if (Unk_021BF67C.unk_44 & 0x200) {
-            Unk_021BF67C.unk_44 |= 0x1;
+        if (coresys.unk_44 & 0x200) {
+            coresys.unk_44 |= 0x1;
         }
 
-        if (Unk_021BF67C.unk_4C & 0x200) {
-            Unk_021BF67C.unk_4C |= 0x1;
+        if (coresys.unk_4C & 0x200) {
+            coresys.unk_4C |= 0x1;
         }
 
-        Unk_021BF67C.unk_48 &= ((0x200 | 0x100) ^ 0xffff);
-        Unk_021BF67C.unk_44 &= ((0x200 | 0x100) ^ 0xffff);
-        Unk_021BF67C.unk_4C &= ((0x200 | 0x100) ^ 0xffff);
+        coresys.padInput &= ((0x200 | 0x100) ^ 0xffff);
+        coresys.unk_44 &= ((0x200 | 0x100) ^ 0xffff);
+        coresys.unk_4C &= ((0x200 | 0x100) ^ 0xffff);
         break;
     }
 }
 
 void sub_02017DD4 (int param0, int param1)
 {
-    Unk_021BF67C.unk_54 = param0;
-    Unk_021BF67C.unk_58 = param1;
+    coresys.unk_54 = param0;
+    coresys.unk_58 = param1;
 }
 
 void sub_02017DE0 (u8 param0)
 {
-    Unk_021BF67C.unk_68 |= param0;
+    coresys.unk_68 |= param0;
 }
 
 void sub_02017DF0 (u8 param0)
 {
-    Unk_021BF67C.unk_68 &= ~(param0);
+    coresys.unk_68 &= ~(param0);
 }
 
 void sub_02017E00 (int param0)
 {
-    GF_ASSERT(Unk_021BF67C.unk_70 == NULL);
+    GF_ASSERT(coresys.unk_70 == NULL);
 
-    Unk_021BF67C.unk_70 = Heap_AllocFromHeapAtEnd(param0, sizeof(u32));
-    *(Unk_021BF67C.unk_70) = 0x2f93a1bc;
+    coresys.unk_70 = Heap_AllocFromHeapAtEnd(param0, sizeof(u32));
+    *(coresys.unk_70) = 0x2f93a1bc;
 }
 
 void sub_02017E2C (void)
 {
-    GF_ASSERT(Unk_021BF67C.unk_70 != NULL);
+    GF_ASSERT(coresys.unk_70 != NULL);
 
-    *(Unk_021BF67C.unk_70) = 0;
-    Heap_FreeToHeap(Unk_021BF67C.unk_70);
-    Unk_021BF67C.unk_70 = NULL;
+    *(coresys.unk_70) = 0;
+    Heap_FreeToHeap(coresys.unk_70);
+    coresys.unk_70 = NULL;
 }
 
 BOOL sub_02017E54 (void)
 {
-    if ((Unk_021BF67C.unk_70 != NULL) && (*(Unk_021BF67C.unk_70) == 0x2f93a1bc)) {
+    if ((coresys.unk_70 != NULL) && (*(coresys.unk_70) == 0x2f93a1bc)) {
         return 1;
     }
 
diff --git a/src/unk_0201E3D8.c b/src/unk_0201E3D8.c
index 212a74c265..879245998d 100644
--- a/src/unk_0201E3D8.c
+++ b/src/unk_0201E3D8.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 #include "inlines.h"
 
 #include "overlay072/struct_ov72_0223E2A8.h"
@@ -93,7 +93,7 @@ u32 sub_0201E450 (u32 param0)
 static void sub_0201E4A4 (u32 param0, u32 param1, void * param2, u32 param3, u32 param4, u32 param5)
 {
     Unk_021C0704.unk_58 = param0;
-    Unk_021BF67C.unk_64 = param1;
+    coresys.unk_64 = param1;
     Unk_021C0704.unk_00 = param2;
     Unk_021C0704.unk_04 = param3;
     Unk_021C0704.unk_08 = param5;
diff --git a/src/unk_02022594.c b/src/unk_02022594.c
index 23e3847907..953e2fa5b5 100644
--- a/src/unk_02022594.c
+++ b/src/unk_02022594.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_defs/union_02022594_020225E0.h"
 
@@ -47,8 +47,8 @@ static BOOL sub_0202260C (const UnkUnion_020225E0 * param0, u32 param1, u32 para
 
 int sub_02022644 (const UnkUnion_02022594 * param0)
 {
-    if (Unk_021BF67C.unk_62) {
-        return sub_02022594(param0, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E);
+    if (coresys.unk_62) {
+        return sub_02022594(param0, coresys.unk_5C, coresys.unk_5E);
     }
 
     return 0xffffffff;
@@ -56,8 +56,8 @@ int sub_02022644 (const UnkUnion_02022594 * param0)
 
 int sub_02022664 (const UnkUnion_02022594 * param0)
 {
-    if (Unk_021BF67C.unk_60) {
-        return sub_02022594(param0, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E);
+    if (coresys.touchInput) {
+        return sub_02022594(param0, coresys.unk_5C, coresys.unk_5E);
     }
 
     return 0xffffffff;
@@ -65,16 +65,16 @@ int sub_02022664 (const UnkUnion_02022594 * param0)
 
 int sub_02022684 (const UnkUnion_020225E0 * param0)
 {
-    if (Unk_021BF67C.unk_62) {
+    if (coresys.unk_62) {
         int v0;
 
         for (v0 = 0; param0[v0].val2.unk_00 != 0xff; v0++) {
             if (param0[v0].val2.unk_00 == 0xfe) {
-                if (sub_020225E0(&param0[v0], Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E)) {
+                if (sub_020225E0(&param0[v0], coresys.unk_5C, coresys.unk_5E)) {
                     return v0;
                 }
             } else {
-                if (sub_0202260C(&param0[v0], Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E)) {
+                if (sub_0202260C(&param0[v0], coresys.unk_5C, coresys.unk_5E)) {
                     return v0;
                 }
             }
@@ -86,16 +86,16 @@ int sub_02022684 (const UnkUnion_020225E0 * param0)
 
 int sub_020226DC (const UnkUnion_020225E0 * param0)
 {
-    if (Unk_021BF67C.unk_60) {
+    if (coresys.touchInput) {
         int v0;
 
         for (v0 = 0; param0[v0].val2.unk_00 != 0xff; v0++) {
             if (param0[v0].val2.unk_00 == 0xfe) {
-                if (sub_020225E0(&param0[v0], Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E)) {
+                if (sub_020225E0(&param0[v0], coresys.unk_5C, coresys.unk_5E)) {
                     return v0;
                 }
             } else {
-                if (sub_0202260C(&param0[v0], Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E)) {
+                if (sub_0202260C(&param0[v0], coresys.unk_5C, coresys.unk_5E)) {
                     return v0;
                 }
             }
@@ -107,11 +107,11 @@ int sub_020226DC (const UnkUnion_020225E0 * param0)
 
 BOOL sub_02022734 (const UnkUnion_020225E0 * param0)
 {
-    if (Unk_021BF67C.unk_62) {
+    if (coresys.unk_62) {
         if (param0->val2.unk_00 == 0xfe) {
-            return sub_020225E0(param0, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E);
+            return sub_020225E0(param0, coresys.unk_5C, coresys.unk_5E);
         } else {
-            return sub_0202260C(param0, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E);
+            return sub_0202260C(param0, coresys.unk_5C, coresys.unk_5E);
         }
     }
 
@@ -120,11 +120,11 @@ BOOL sub_02022734 (const UnkUnion_020225E0 * param0)
 
 BOOL sub_02022760 (const UnkUnion_020225E0 * param0)
 {
-    if (Unk_021BF67C.unk_60) {
+    if (coresys.touchInput) {
         if (param0->val2.unk_00 == 0xfe) {
-            return sub_020225E0(param0, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E);
+            return sub_020225E0(param0, coresys.unk_5C, coresys.unk_5E);
         } else {
-            return sub_0202260C(param0, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E);
+            return sub_0202260C(param0, coresys.unk_5C, coresys.unk_5E);
         }
     }
 
@@ -133,19 +133,19 @@ BOOL sub_02022760 (const UnkUnion_020225E0 * param0)
 
 BOOL sub_0202278C (void)
 {
-    return Unk_021BF67C.unk_62;
+    return coresys.unk_62;
 }
 
-BOOL sub_02022798 (void)
+BOOL TouchScreen_Tapped(void)
 {
-    return Unk_021BF67C.unk_60;
+    return coresys.touchInput;
 }
 
 BOOL sub_020227A4 (u32 * param0, u32 * param1)
 {
-    if (Unk_021BF67C.unk_62) {
-        *param0 = Unk_021BF67C.unk_5C;
-        *param1 = Unk_021BF67C.unk_5E;
+    if (coresys.unk_62) {
+        *param0 = coresys.unk_5C;
+        *param1 = coresys.unk_5E;
         return 1;
     }
 
@@ -154,9 +154,9 @@ BOOL sub_020227A4 (u32 * param0, u32 * param1)
 
 BOOL sub_020227C0 (u32 * param0, u32 * param1)
 {
-    if (Unk_021BF67C.unk_60) {
-        *param0 = Unk_021BF67C.unk_5C;
-        *param1 = Unk_021BF67C.unk_5E;
+    if (coresys.touchInput) {
+        *param0 = coresys.unk_5C;
+        *param1 = coresys.unk_5E;
         return 1;
     }
 
diff --git a/src/unk_02023FCC.c b/src/unk_02023FCC.c
index 85439f375a..9dcedcc151 100644
--- a/src/unk_02023FCC.c
+++ b/src/unk_02023FCC.c
@@ -85,7 +85,7 @@ void sub_0202404C (UnkStruct_02023FCC * param0)
     v1 = sub_0202278C();
 
     if (v1) {
-        v2 = sub_02022798();
+        v2 = TouchScreen_Tapped();
 
         for (v3 = 0; v3 < param0->unk_04; v3++) {
             if (param0->unk_10[v3].unk_01) {
diff --git a/src/unk_020279FC.c b/src/unk_020279FC.c
index 3ffcb8d97b..2dc605b9f3 100644
--- a/src/unk_020279FC.c
+++ b/src/unk_020279FC.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_021C0794_decl.h"
 
@@ -48,14 +48,14 @@ void sub_02027A68 (SaveData * param0, int param1)
 
     switch (param1) {
     case 1:
-        Unk_021BF67C.unk_34 = 1;
+        coresys.unk_34 = 1;
         break;
     case 2:
-        Unk_021BF67C.unk_34 = 3;
+        coresys.unk_34 = 3;
         break;
     case 0:
     default:
-        Unk_021BF67C.unk_34 = 0;
+        coresys.unk_34 = 0;
         break;
     }
 }
diff --git a/src/unk_0202854C.c b/src/unk_0202854C.c
index ce23b3bbad..2b9ef017de 100644
--- a/src/unk_0202854C.c
+++ b/src/unk_0202854C.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "trainer_info.h"
 #include "struct_decls/struct_021C0794_decl.h"
@@ -104,7 +104,7 @@ void Underground_Init (UnkStruct_020298B0 * param0)
     RTCTime v2;
 
     sub_0201384C(&v1, &v2);
-    v0 = (((((((u32)v1.year * 32ULL + v1.month) * 32ULL) + v1.day) * 32ULL + v2.hour) * 32ULL + v2.minute) * 32ULL + (v2.second + Unk_021BF67C.unk_2C));
+    v0 = (((((((u32)v1.year * 32ULL + v1.month) * 32ULL) + v1.day) * 32ULL + v2.hour) * 32ULL + v2.minute) * 32ULL + (v2.second + coresys.unk_2C));
 
     MI_CpuFill8(param0, 0, sizeof(UnkStruct_020298B0));
 
diff --git a/src/unk_02034198.c b/src/unk_02034198.c
index f3729341ca..c22e408b2e 100644
--- a/src/unk_02034198.c
+++ b/src/unk_02034198.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0201CD38_decl.h"
 
@@ -513,7 +513,7 @@ BOOL sub_020349EC (void)
             Unk_021C07CC->unk_6B5++;
             Unk_021C07C5 = 0;
             sub_020347EC();
-            Unk_021C07CC->unk_654 |= (Unk_021BF67C.unk_44 & 0x7fff);
+            Unk_021C07CC->unk_654 |= (coresys.unk_44 & 0x7fff);
             sub_02035534();
             sub_02034B50();
             Unk_021C07CC->unk_654 &= 0x8000;
@@ -1877,7 +1877,7 @@ void sub_020361BC (MATHRandContext32 * param0)
     RTCTime v2;
 
     sub_0201384C(&v1, &v2);
-    v0 = (((((((u64)v1.year * 16ULL + v1.month) * 32ULL) + v1.day) * 32ULL + v2.hour) * 64ULL + v2.minute) * 64ULL + (v2.second + Unk_021BF67C.unk_2C));
+    v0 = (((((((u64)v1.year * 16ULL + v1.month) * 32ULL) + v1.day) * 32ULL + v2.hour) * 64ULL + v2.minute) * 64ULL + (v2.second + coresys.unk_2C));
     MATH_InitRand32(param0, v0);
 }
 
diff --git a/src/unk_020366A0.c b/src/unk_020366A0.c
index d203c961a3..c6cd2f1021 100644
--- a/src/unk_020366A0.c
+++ b/src/unk_020366A0.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02018340_decl.h"
 #include "trainer_info.h"
@@ -2463,7 +2463,7 @@ void sub_02038A20 (int param0)
                 if (!sub_020389D8()) {
                     sub_0200569C();
                     sub_02024850(Unk_021C07D4->unk_28);
-                    Unk_021BF67C.unk_64 = 1;
+                    coresys.unk_64 = 1;
 
                     if (Unk_021C07D4->unk_59 == 3) {
                         sub_020389C4(3);
diff --git a/src/unk_02039814.c b/src/unk_02039814.c
index d4c6834be6..310f340b2e 100644
--- a/src/unk_02039814.c
+++ b/src/unk_02039814.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_0200B358_decl.h"
@@ -133,7 +133,7 @@ void sub_02039834 (int param0, int param1, int param2)
     GXS_SetVisiblePlane(0);
 
     sub_02017DD4(4, 8);
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
 
     G2_BlendNone();
diff --git a/src/unk_02039A64.c b/src/unk_02039A64.c
index 044f75deba..c8ce3e3b57 100644
--- a/src/unk_02039A64.c
+++ b/src/unk_02039A64.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -96,7 +96,7 @@ void sub_02039A64 (int param0, int param1)
     GX_SetVisiblePlane(0);
     GXS_SetVisiblePlane(0);
     sub_02017DD4(4, 8);
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
 
     G2_BlendNone();
diff --git a/src/unk_0203CC84.c b/src/unk_0203CC84.c
index cd01af7225..3a2a931aeb 100644
--- a/src/unk_0203CC84.c
+++ b/src/unk_0203CC84.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -262,7 +262,7 @@ void sub_0203CF5C (UnkStruct_0203CDB0 * param0)
 
     if (v2) {
         sub_0205F490(param0->unk_3C);
-        ov5_021D1CAC(&v1, param0, Unk_021BF67C.unk_48, Unk_021BF67C.unk_44);
+        ov5_021D1CAC(&v1, param0, coresys.padInput, coresys.unk_44);
     }
 
     v0 = param0->unk_70;
@@ -313,7 +313,7 @@ void sub_0203CF5C (UnkStruct_0203CDB0 * param0)
                 ov5_021E0EEC(param0->unk_3C);
                 ov5_021EA714(param0, 0, 1);
             } else {
-                if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+                if (coresys.padInput & PAD_BUTTON_A) {
                     ov5_021DDA78(param0->unk_04->unk_08);
                 }
 
@@ -339,7 +339,7 @@ void sub_0203CF5C (UnkStruct_0203CDB0 * param0)
                 ov5_021E0EEC(param0->unk_3C);
                 ov5_021EA714(param0, 0, 1);
             } else {
-                if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+                if (coresys.padInput & PAD_BUTTON_A) {
                     ov5_021DDA78(param0->unk_04->unk_08);
                 }
 
diff --git a/src/unk_0203F6C4.c b/src/unk_0203F6C4.c
index 36c78a0d30..23b88e7b66 100644
--- a/src/unk_0203F6C4.c
+++ b/src/unk_0203F6C4.c
@@ -2,7 +2,7 @@
 #include <string.h>
 
 #include "inlines.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "message.h"
@@ -2351,7 +2351,7 @@ static BOOL sub_02040180 (UnkStruct_0203E724 * param0)
 
 static BOOL sub_02040190 (UnkStruct_0203E724 * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         return 1;
     }
 
@@ -2367,7 +2367,7 @@ static BOOL sub_020401A8 (UnkStruct_0203E724 * param0)
 
 static BOOL sub_020401D0 (UnkStruct_0203E724 * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         return 1;
     }
 
@@ -2388,19 +2388,19 @@ static BOOL sub_020401F4 (UnkStruct_0203E724 * param0)
 
 static BOOL sub_02040204 (UnkStruct_0203E724 * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         return 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         sub_0205EA84(param0->unk_34->unk_3C, 0);
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    } else if (coresys.padInput & PAD_KEY_DOWN) {
         sub_0205EA84(param0->unk_34->unk_3C, 1);
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    } else if (coresys.padInput & PAD_KEY_LEFT) {
         sub_0205EA84(param0->unk_34->unk_3C, 2);
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    } else if (coresys.padInput & PAD_KEY_RIGHT) {
         sub_0205EA84(param0->unk_34->unk_3C, 3);
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_X) {
+    } else if (coresys.padInput & PAD_BUTTON_X) {
         sub_0203F0C0(param0->unk_34);
     } else {
         return 0;
@@ -2417,11 +2417,11 @@ static BOOL sub_02040284 (UnkStruct_0203E724 * param0)
 
 static BOOL sub_02040294 (UnkStruct_0203E724 * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         return 1;
     }
 
-    if (Unk_021BF67C.unk_48 & (PAD_KEY_UP | PAD_KEY_DOWN | PAD_KEY_LEFT | PAD_KEY_RIGHT)) {
+    if (coresys.padInput & (PAD_KEY_UP | PAD_KEY_DOWN | PAD_KEY_LEFT | PAD_KEY_RIGHT)) {
         return 1;
     }
 
@@ -2651,13 +2651,13 @@ static BOOL sub_02040670 (UnkStruct_0203E724 * param0)
         return 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         v4 = 0;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    } else if (coresys.padInput & PAD_KEY_DOWN) {
         v4 = 1;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    } else if (coresys.padInput & PAD_KEY_LEFT) {
         v4 = 2;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    } else if (coresys.padInput & PAD_KEY_RIGHT) {
         v4 = 3;
     }
 
@@ -2668,7 +2668,7 @@ static BOOL sub_02040670 (UnkStruct_0203E724 * param0)
         return 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_X) {
+    if (coresys.padInput & PAD_BUTTON_X) {
         sub_0201D730(*v1);
         *v2 = 1;
         return 1;
@@ -2693,18 +2693,18 @@ static BOOL sub_02040730 (UnkStruct_0203E724 * param0)
     u16 * v1 = sub_0203F118(v0, param0->unk_18[0]);
     int v2 = 0xffff;
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         *v1 = 0;
         return 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         v2 = 0;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    } else if (coresys.padInput & PAD_KEY_DOWN) {
         v2 = 1;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    } else if (coresys.padInput & PAD_KEY_LEFT) {
         v2 = 2;
-    } else if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    } else if (coresys.padInput & PAD_KEY_RIGHT) {
         v2 = 3;
     }
 
@@ -2714,7 +2714,7 @@ static BOOL sub_02040730 (UnkStruct_0203E724 * param0)
         return 1;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_X) {
+    if (coresys.padInput & PAD_BUTTON_X) {
         *v1 = 1;
         return 1;
     }
@@ -5588,7 +5588,7 @@ static BOOL sub_02043A4C (UnkStruct_0203E724 * param0)
     u16 * v0 = sub_0203F118(param0->unk_34, param0->unk_18[0]);
     u32 v1 = sub_0205B91C(param0->unk_34->unk_7C);
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         v1 = sub_0205B9EC(param0->unk_34->unk_7C, 8);
 
         if (v1) {
@@ -7198,7 +7198,7 @@ static BOOL sub_020456E8 (UnkStruct_0203E724 * param0)
 {
     u16 * v0 = inline_0204FCAC(param0);
 
-    *v0 = Unk_021BF67C.unk_66;
+    *v0 = coresys.unk_66;
     return 1;
 }
 
@@ -8225,11 +8225,11 @@ static BOOL sub_0204666C (UnkStruct_0203E724 * param0)
 
     *v0 = 0;
 
-    if (Unk_021BF67C.unk_44 & PAD_BUTTON_A) {
+    if (coresys.unk_44 & PAD_BUTTON_A) {
         *v0 = 1;
     }
 
-    if (Unk_021BF67C.unk_44 & PAD_BUTTON_B) {
+    if (coresys.unk_44 & PAD_BUTTON_B) {
         *v0 = 1;
     }
 
diff --git a/src/unk_020482D4.c b/src/unk_020482D4.c
index 7db86c36f7..7c57e25c5e 100644
--- a/src/unk_020482D4.c
+++ b/src/unk_020482D4.c
@@ -2,7 +2,7 @@
 #include <string.h>
 
 #include "inlines.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0203E724_decl.h"
 
@@ -274,7 +274,7 @@ BOOL sub_0204858C (UnkStruct_0203E724 * param0)
 
 BOOL sub_020485C0 (UnkStruct_0203E724 * param0)
 {
-    if (Unk_021BF67C.unk_44 & PAD_KEY_UP) {
+    if (coresys.unk_44 & PAD_KEY_UP) {
         sub_02004550(22, 1218, 1);
     } else {
         sub_02004550(22, 1218, 1);
diff --git a/src/unk_02050568.c b/src/unk_02050568.c
index 842c97b17e..8a52e92a73 100644
--- a/src/unk_02050568.c
+++ b/src/unk_02050568.c
@@ -2,7 +2,7 @@
 #include <string.h>
 
 #include "inlines.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020507E4_decl.h"
 #include "struct_decls/struct_020508D4_decl.h"
@@ -89,7 +89,7 @@ static BOOL sub_020505A0 (UnkStruct_020508D4 * param0)
         v1->unk_08++;
         break;
     case 5:
-        if ((Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B))) {
+        if ((coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B))) {
             v1->unk_08++;
         }
         break;
diff --git a/src/unk_02051D8C.c b/src/unk_02051D8C.c
index 6d8a5cd073..5e94c0ab73 100644
--- a/src/unk_02051D8C.c
+++ b/src/unk_02051D8C.c
@@ -3,7 +3,7 @@
 
 #include "constants/pokemon.h"
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "trainer_info.h"
 #include "struct_decls/struct_02026324_decl.h"
@@ -120,7 +120,7 @@ BattleParams * sub_02051D8C (int param0, u32 param1)
         RTCTime v3;
 
         sub_0201384C(&v2, &v3);
-        v1->unk_174 = v2.year + v2.month * 0x100 * v2.day * 0x10000 + v3.hour * 0x10000 + (v3.minute + v3.second) * 0x1000000 + Unk_021BF67C.unk_2C;
+        v1->unk_174 = v2.year + v2.month * 0x100 * v2.day * 0x10000 + v3.hour * 0x10000 + (v3.minute + v3.second) * 0x1000000 + coresys.unk_2C;
     }
 
     if (sub_02035E38() == 1) {
diff --git a/src/unk_020528D0.c b/src/unk_020528D0.c
index a85ca73db0..6328e5b226 100644
--- a/src/unk_020528D0.c
+++ b/src/unk_020528D0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_0200B358_decl.h"
@@ -161,7 +161,7 @@ static BOOL sub_020529C4 (UnkStruct_020508D4 * param0)
         }
         break;
     case 2:
-        if ((Unk_021BF67C.unk_48 & PAD_BUTTON_A) || (Unk_021BF67C.unk_48 & PAD_BUTTON_B)) {
+        if ((coresys.padInput & PAD_BUTTON_A) || (coresys.padInput & PAD_BUTTON_B)) {
             sub_0200F174(0, 0, 0, 0x0, 8, 1, 32);
             v0->unk_00++;
         }
diff --git a/src/unk_020530C8.c b/src/unk_020530C8.c
index b31e6e1237..996cdedbf8 100644
--- a/src/unk_020530C8.c
+++ b/src/unk_020530C8.c
@@ -2,7 +2,7 @@
 #include <string.h>
 
 #include "inlines.h"
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "message.h"
@@ -238,7 +238,7 @@ static void sub_0205311C (UnkStruct_0203CDB0 * param0, const UnkStruct_02049FA8
 void sub_020531A0 (UnkStruct_0203CDB0 * param0)
 {
     GF_ASSERT(param0->unk_70 < 5);
-    Unk_021BF67C.unk_65 = param0->unk_74->unk_00_12;
+    coresys.unk_65 = param0->unk_74->unk_00_12;
 }
 
 void sub_020531C0 (UnkStruct_0203CDB0 * param0, BOOL param1)
diff --git a/src/unk_02055C50.c b/src/unk_02055C50.c
index d45a3328b0..e98d360e90 100644
--- a/src/unk_02055C50.c
+++ b/src/unk_02055C50.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0201CD38_decl.h"
 #include "struct_decls/struct_02027854_decl.h"
@@ -401,7 +401,7 @@ static BOOL sub_02056124 (UnkStruct_020508D4 * param0)
         v1->unk_08 = 0;
         v1->unk_00 = 2;
     case 2:
-        if (Unk_021BF67C.unk_44 & PAD_KEY_LEFT) {
+        if (coresys.unk_44 & PAD_KEY_LEFT) {
             UnkStruct_02061AB4 * v2 = sub_02056074(v0, 2);
 
             if ((v2 == NULL) || !sub_020560E4(v2)) {
@@ -412,7 +412,7 @@ static BOOL sub_02056124 (UnkStruct_020508D4 * param0)
                 v1->unk_00 = 3;
                 break;
             }
-        } else if (Unk_021BF67C.unk_44 & PAD_KEY_RIGHT) {
+        } else if (coresys.unk_44 & PAD_KEY_RIGHT) {
             UnkStruct_02061AB4 * v2 = sub_02056074(v0, 3);
 
             if ((v2 == NULL) || !sub_020560E4(v2)) {
@@ -423,11 +423,11 @@ static BOOL sub_02056124 (UnkStruct_020508D4 * param0)
                 v1->unk_00 = 3;
                 break;
             }
-        } else if ((Unk_021BF67C.unk_44 & PAD_KEY_UP) && (v1->unk_04 == 1)) {
+        } else if ((coresys.unk_44 & PAD_KEY_UP) && (v1->unk_04 == 1)) {
             sub_0205EA84(v0->unk_3C, 0);
             v1->unk_00 = 4;
             break;
-        } else if ((Unk_021BF67C.unk_44 & PAD_KEY_DOWN) && (v1->unk_04 == 0)) {
+        } else if ((coresys.unk_44 & PAD_KEY_DOWN) && (v1->unk_04 == 0)) {
             v1->unk_00 = 4;
             break;
         }
diff --git a/src/unk_02057518.c b/src/unk_02057518.c
index d6b23b5015..1474596a78 100644
--- a/src/unk_02057518.c
+++ b/src/unk_02057518.c
@@ -3,7 +3,7 @@
 #include <nitro/os.h>
 #include <nnsys/g3d/glbstate.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0201CD38_decl.h"
 #include "trainer_info.h"
@@ -498,7 +498,7 @@ static void sub_02057E68 ()
 {
     u8 v0 = 2;
 
-    if (PAD_BUTTON_B & Unk_021BF67C.unk_44) {
+    if (PAD_BUTTON_B & coresys.unk_44) {
         v0 = 1;
     }
 
diff --git a/src/unk_0205A0D8.c b/src/unk_0205A0D8.c
index f0a78b06a4..ac5378f425 100644
--- a/src/unk_0205A0D8.c
+++ b/src/unk_0205A0D8.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_0200B358_decl.h"
@@ -288,7 +288,7 @@ static BOOL sub_0205A324 (UnkStruct_020508D4 * param0)
             v0->unk_34 = 7;
             sub_02062C30(v0->unk_24->unk_38);
             v0->unk_08(1, v0->unk_50);
-        } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        } else if (coresys.padInput & PAD_BUTTON_B) {
             v0->unk_34 = 4;
             sub_020364F0(92);
             v0->unk_43 = 5;
@@ -936,17 +936,17 @@ static void sub_0205AF18 (UnkStruct_0205A0D8 * param0, int param1)
 static int sub_0205AFE4 (UnkStruct_0205A0D8 * param0)
 {
     do {
-        if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+        if (coresys.padInput & PAD_KEY_UP) {
             param0->unk_81 = ((param0->unk_81 == 0) ? (param0->unk_80 - 1) : (param0->unk_81 - 1));
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+        if (coresys.padInput & PAD_KEY_DOWN) {
             param0->unk_81 = (param0->unk_81 == (param0->unk_80 - 1)) ?  0 : (param0->unk_81 + 1);
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             sub_02005748(1500);
 
             if (param0->unk_81 < (param0->unk_80 - 1)) {
@@ -956,7 +956,7 @@ static int sub_0205AFE4 (UnkStruct_0205A0D8 * param0)
             }
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             sub_02005748(1500);
             return 2;
         }
@@ -1036,7 +1036,7 @@ static BOOL sub_0205B140 (UnkStruct_020508D4 * param0)
         break;
     case 1:
         if (sub_0205DA04(v1->unk_20)) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+            if (coresys.padInput & PAD_BUTTON_A) {
                 MessageLoader_Free(v1->unk_1C);
                 sub_0200B3F0(v1->unk_18);
                 Strbuf_Free(v1->unk_00);
diff --git a/src/unk_020683F4.c b/src/unk_020683F4.c
index e5cf9b5519..e5c37cd7eb 100644
--- a/src/unk_020683F4.c
+++ b/src/unk_020683F4.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "strbuf.h"
 #include "struct_decls/struct_020507E4_decl.h"
@@ -965,7 +965,7 @@ static BOOL sub_02068F48 (UnkStruct_020508D4 * param0)
         break;
     case 1:
         if (sub_0205DA04(v1->unk_14) == 1) {
-            if (Unk_021BF67C.unk_48 & (PAD_KEY_UP | PAD_KEY_DOWN | PAD_KEY_LEFT | PAD_KEY_RIGHT | PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_KEY_UP | PAD_KEY_DOWN | PAD_KEY_LEFT | PAD_KEY_RIGHT | PAD_BUTTON_A | PAD_BUTTON_B)) {
                 sub_0200E084(&v1->unk_00, 0);
                 v1->unk_16++;
             }
diff --git a/src/unk_0206C0E8.c b/src/unk_0206C0E8.c
index 6e528ab7fb..66bbd994ff 100644
--- a/src/unk_0206C0E8.c
+++ b/src/unk_0206C0E8.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020507E4_decl.h"
 #include "struct_decls/struct_020508D4_decl.h"
@@ -113,7 +113,7 @@ static BOOL sub_0206C120 (UnkStruct_020508D4 * param0)
     case 5:
         v1->unk_0E++;
 
-        if ((v1->unk_0E >= 60) || (Unk_021BF67C.unk_48 & PAD_BUTTON_A)) {
+        if ((v1->unk_0E >= 60) || (coresys.padInput & PAD_BUTTON_A)) {
             ov6_02242A94(v1->unk_0D, v1->unk_04);
             v1->unk_08 = ov6_02242AEC(v1->unk_04);
             sub_02005748(1657);
diff --git a/src/unk_0206F314.c b/src/unk_0206F314.c
index c9805a526d..f78508e709 100644
--- a/src/unk_0206F314.c
+++ b/src/unk_0206F314.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02001AF4_decl.h"
@@ -284,13 +284,13 @@ static int sub_0206F498 (UnkStruct_0206F7F8 * param0)
 
     v0 = sub_02001288(param0->unk_C0);
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1500);
         sub_0206FF10(param0);
         return 10;
     }
 
-    if (!(Unk_021BF67C.unk_48 & PAD_BUTTON_A)) {
+    if (!(coresys.padInput & PAD_BUTTON_A)) {
         return 3;
     }
 
@@ -320,13 +320,13 @@ static int sub_0206F508 (UnkStruct_0206F7F8 * param0)
 
 static int sub_0206F514 (UnkStruct_0206F7F8 * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B | PAD_BUTTON_A)) {
+    if (coresys.padInput & (PAD_BUTTON_B | PAD_BUTTON_A)) {
         sub_02005748(1500);
         sub_02070288(param0);
         return 2;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_SELECT) {
+    if (coresys.padInput & PAD_BUTTON_SELECT) {
         sub_02005748(1500);
         sub_0206FFE4(param0);
         return 6;
@@ -339,13 +339,13 @@ static int sub_0206F554 (UnkStruct_0206F7F8 * param0)
 {
     UnkStruct_0206F3A0 * v0;
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_B)) {
         sub_02005748(1500);
         sub_02070010(param0);
         return 5;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02005748(1500);
         param0->unk_0C = 0;
         param0->unk_328 = &(param0->unk_324[param0->unk_1F].unk_04[param0->unk_32C[param0->unk_28]]);
@@ -357,7 +357,7 @@ static int sub_0206F554 (UnkStruct_0206F7F8 * param0)
         return 7;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         if (param0->unk_28 > 0) {
             sub_02005748(1500);
             --param0->unk_28;
@@ -365,7 +365,7 @@ static int sub_0206F554 (UnkStruct_0206F7F8 * param0)
         }
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    if (coresys.padInput & PAD_KEY_DOWN) {
         if (param0->unk_28 < (param0->unk_21 - 1)) {
             sub_02005748(1500);
             ++param0->unk_28;
@@ -456,7 +456,7 @@ static int sub_0206F748 (UnkStruct_0206F7F8 * param0)
         param0->unk_0C++;
         break;
     case 2:
-        if (!(Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B))) {
+        if (!(coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B))) {
             break;
         }
 
@@ -895,7 +895,7 @@ static BOOL sub_020702D0 (UnkStruct_020508D4 * param0)
         sub_020219F8(v1->unk_08->unk_134.unk_00);
         break;
     case 9:
-        if (!(Unk_021BF67C.unk_48 & PAD_BUTTON_A)) {
+        if (!(coresys.padInput & PAD_BUTTON_A)) {
             return 0;
         }
 
diff --git a/src/unk_020722AC.c b/src/unk_020722AC.c
index 5d969f7ba8..c5ddf06348 100644
--- a/src/unk_020722AC.c
+++ b/src/unk_020722AC.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_0200112C_decl.h"
 #include "struct_decls/struct_02001AF4_decl.h"
@@ -270,13 +270,13 @@ static void sub_02072390 (UnkStruct_0201CD38 * param0, void * param1)
         sub_0206A870(v0->unk_1A4);
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02072EA4(v0, sub_02072518, sub_02072364);
         sub_02005748(1500);
         return;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02005748(1500);
 
         switch (v1) {
@@ -326,13 +326,13 @@ static void sub_02072470 (UnkStruct_0201CD38 * param0, void * param1)
 
     v1 = sub_02001288(v0->unk_160);
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02072EA4(v0, sub_02072534, sub_02072370);
         sub_02005748(1500);
         return;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02005748(1500);
 
         switch (v1) {
@@ -504,7 +504,7 @@ static void sub_020726B4 (UnkStruct_0201CD38 * param0, void * param1)
         }
         break;
     case 2:
-        if (!(Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B))) {
+        if (!(coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B))) {
             return;
         }
 
@@ -584,7 +584,7 @@ static void sub_020727F8 (UnkStruct_0201CD38 * param0, void * param1)
         }
         break;
     case 2:
-        if (!(Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B))) {
+        if (!(coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B))) {
             return;
         }
 
diff --git a/src/unk_0207AE68.c b/src/unk_0207AE68.c
index 54a8698906..bbe34f663e 100644
--- a/src/unk_0207AE68.c
+++ b/src/unk_0207AE68.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02018340_decl.h"
 #include "struct_decls/struct_0201CD38_decl.h"
@@ -250,7 +250,7 @@ static void sub_0207B180 (UnkStruct_0207AE68 * param0)
         }
     }
 
-    if ((param0->unk_7C & 0x1) && (param0->unk_64 == 8) && (Unk_021BF67C.unk_48 & PAD_BUTTON_B)) {
+    if ((param0->unk_7C & 0x1) && (param0->unk_64 == 8) && (coresys.padInput & PAD_BUTTON_B)) {
         sub_02003178(param0->unk_14, ((0x1 | 0x2 | 0x4 | 0x8)), (0xc00 ^ 0xffff), 0, 0, 16, 0x7fff);
         param0->unk_64 = 41;
     }
diff --git a/src/unk_0207E0B8.c b/src/unk_0207E0B8.c
index 07206e449b..6aa1e9940b 100644
--- a/src/unk_0207E0B8.c
+++ b/src/unk_0207E0B8.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -600,7 +600,7 @@ static int sub_0207E6C0 (UnkStruct_0207F248 * param0)
 
 static int sub_0207E6E4 (UnkStruct_0207F248 * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         sub_02005748(1500);
         return 32;
     }
@@ -1434,13 +1434,13 @@ static u8 sub_0207FA24 (UnkStruct_0207F248 * param0)
 
     v1 = 4;
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+    if (coresys.unk_4C & PAD_KEY_UP) {
         v1 = 0;
-    } else if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+    } else if (coresys.unk_4C & PAD_KEY_DOWN) {
         v1 = 1;
-    } else if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+    } else if (coresys.unk_4C & PAD_KEY_LEFT) {
         v1 = 2;
-    } else if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+    } else if (coresys.unk_4C & PAD_KEY_RIGHT) {
         v1 = 3;
     }
 
@@ -1635,7 +1635,7 @@ static u8 sub_0207FE98 (UnkStruct_0207F248 * param0)
 {
     u8 v0;
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         if (param0->unk_B11 == 6) {
             return 4;
         } else if (param0->unk_B11 == 7) {
@@ -1675,7 +1675,7 @@ static u8 sub_0207FE98 (UnkStruct_0207F248 * param0)
         }
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         if (param0->unk_B0F_7 == 0) {
             sub_02005748(1500);
             param0->unk_B11 = 7;
@@ -2044,7 +2044,7 @@ static u8 sub_020805E4 (UnkStruct_0207F248 * param0)
 {
     u8 v0;
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02005748(1500);
 
         if ((param0->unk_B11 >= 6) || (param0->unk_B11 == param0->unk_B0F_0)) {
@@ -2056,7 +2056,7 @@ static u8 sub_020805E4 (UnkStruct_0207F248 * param0)
         }
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1500);
         sub_02083B88(param0);
         return 3;
@@ -2320,7 +2320,7 @@ static int sub_02080AD8 (UnkStruct_0207F248 * param0)
     if (v0 != 0xffffffff) {
         u16 v1 = 0xfffe;
 
-        if (sub_0201C784(param0->unk_00, 4, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E, &v1) == 0) {
+        if (sub_0201C784(param0->unk_00, 4, coresys.unk_5C, coresys.unk_5E, &v1) == 0) {
             return 0xffffffff;
         }
     }
@@ -2376,7 +2376,7 @@ static int sub_02080BF4 (UnkStruct_0207F248 * param0)
 {
     switch (param0->unk_B14[1]) {
     case 0:
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             if (param0->unk_B11 >= 6) {
                 sub_02005748(1500);
                 sub_02083B88(param0);
@@ -2405,7 +2405,7 @@ static int sub_02080BF4 (UnkStruct_0207F248 * param0)
             }
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             sub_02005748(1500);
             sub_02083B88(param0);
             return 1;
@@ -2439,7 +2439,7 @@ static int sub_02080BF4 (UnkStruct_0207F248 * param0)
         }
         break;
     case 1:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             sub_0200E084(&param0->unk_04[34], 1);
             sub_0200D414(param0->unk_5B0[6], 0);
@@ -2479,7 +2479,7 @@ static int sub_02080BF4 (UnkStruct_0207F248 * param0)
         }
         break;
     case 4:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             sub_0200E084(&param0->unk_04[34], 1);
             sub_0200D414(param0->unk_5B0[6], 0);
@@ -2538,7 +2538,7 @@ static u8 sub_02080FD0 (UnkStruct_0207F248 * param0)
 {
     u8 v0;
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         if (param0->unk_B11 == 7) {
             if (param0->unk_B0F_7 == 0) {
                 sub_02005748(1500);
@@ -2556,7 +2556,7 @@ static u8 sub_02080FD0 (UnkStruct_0207F248 * param0)
         return 5;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         if (param0->unk_B0F_7 == 0) {
             sub_02005748(1500);
             param0->unk_B11 = 7;
@@ -2746,7 +2746,7 @@ static void sub_020814A8 (UnkStruct_0207F248 * param0, Pokemon * param1, u32 par
 static int sub_0208150C (UnkStruct_0207F248 * param0)
 {
     if (sub_0201D724(param0->unk_B10) == 0) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             return sub_0208170C(param0);
         }
     }
@@ -2757,7 +2757,7 @@ static int sub_0208150C (UnkStruct_0207F248 * param0)
 static int sub_0208153C (UnkStruct_0207F248 * param0)
 {
     if (sub_0201D724(param0->unk_B10) == 0) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_0200E084(&param0->unk_04[34], 1);
             sub_020819B4(param0);
             return 13;
diff --git a/src/unk_02083370.c b/src/unk_02083370.c
index a3757fd464..14c5fd6e2c 100644
--- a/src/unk_02083370.c
+++ b/src/unk_02083370.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "pokemon.h"
 
@@ -218,7 +218,7 @@ static void sub_020834B0 (UnkStruct_0207F248 * param0, int * param1)
 int sub_02083658 (UnkStruct_0207F248 * param0)
 {
     if (sub_0201D724(param0->unk_B10) == 0) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_0200E084(&param0->unk_04[34], 1);
             sub_020826E0(param0, 29, 1);
             sub_0200D414(param0->unk_5B0[6], 0);
@@ -232,7 +232,7 @@ int sub_02083658 (UnkStruct_0207F248 * param0)
 int sub_020836A8 (UnkStruct_0207F248 * param0)
 {
     if (sub_0201D724(param0->unk_B10) == 0) {
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_0200E084(&param0->unk_04[34], 1);
             sub_020819B4(param0);
             return 19;
@@ -377,7 +377,7 @@ static int sub_02083990 (void * param0)
 
 int sub_020839BC (UnkStruct_0207F248 * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         sub_0200E084(&param0->unk_04[34], 1);
         sub_020826E0(param0, 29, 1);
         sub_0200D414(param0->unk_5B0[6], 0);
@@ -761,7 +761,7 @@ static void sub_020844B0 (UnkStruct_0207F248 * param0, int * param1)
 
 int sub_020845A8 (UnkStruct_0207F248 * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         sub_0200E084(&param0->unk_04[34], 1);
         sub_020826E0(param0, 34, 1);
         sub_0200D414(param0->unk_5B0[6], 0);
@@ -1032,7 +1032,7 @@ static int sub_02084A18 (UnkStruct_0207F248 * param0)
 
 int sub_02084B34 (UnkStruct_0207F248 * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         sub_0200E084(&param0->unk_04[34], 1);
         sub_020826E0(param0, 29, 1);
         sub_0200D414(param0->unk_5B0[6], 0);
diff --git a/src/unk_02084B70.c b/src/unk_02084B70.c
index c5c853f2ab..cb6cbca54d 100644
--- a/src/unk_02084B70.c
+++ b/src/unk_02084B70.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "strbuf.h"
 #include "pokemon.h"
@@ -407,7 +407,7 @@ int sub_02085348 (void * param0)
         return 5;
     }
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         v0->unk_5A4->unk_23 = 0;
         return 32;
     }
@@ -634,7 +634,7 @@ int sub_02085804 (UnkStruct_0207F248 * param0)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             v3 = param0->unk_B11;
             param0->unk_B11 = sub_020857C0(param0, param0->unk_B11 + 1);
@@ -720,7 +720,7 @@ static int sub_02085C50 (void * param0)
     switch (v0->unk_B13) {
     case 0:
         if (sub_0201D724(v0->unk_B10) == 0) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 sub_02005748(1500);
                 sub_020829DC(v0);
                 v0->unk_B13 = 1;
@@ -728,14 +728,14 @@ static int sub_02085C50 (void * param0)
         }
         break;
     case 1:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             sub_02082B58(v0);
             v0->unk_B13 = 2;
         }
         break;
     case 2:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             sub_02005748(1500);
             sub_02082C10(v0);
             v0->unk_B13 = 3;
@@ -781,14 +781,14 @@ static int sub_02085C50 (void * param0)
         break;
     case 4:
         if (sub_0201D724(v0->unk_B10) == 0) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
                 sub_02005748(1500);
                 v0->unk_B13 = 3;
             }
         }
         break;
     case 5:
-        if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+        if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
             v1 = Party_GetPokemonBySlotIndex(v0->unk_5A4->unk_00, v0->unk_B11);
             sub_02086590(v0, v1, v0->unk_5A4->unk_28);
             v2 = MessageLoader_GetNewStrbuf(v0->unk_69C, 61);
@@ -1039,7 +1039,7 @@ int sub_020863A0 (UnkStruct_0207F248 * param0)
     Pokemon * v0;
     Strbuf* v1;
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         v0 = Party_GetPokemonBySlotIndex(param0->unk_5A4->unk_00, param0->unk_B11);
 
         sub_02086590(param0, v0, param0->unk_5A4->unk_28);
diff --git a/src/unk_0208694C.c b/src/unk_0208694C.c
index e951143818..0081cb9eb7 100644
--- a/src/unk_0208694C.c
+++ b/src/unk_0208694C.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -935,7 +935,7 @@ static int sub_0208694C (UnkStruct_020067E8 * param0, int * param1)
         sub_0208732C(1);
 
         {
-            Unk_021BF67C.unk_65 = 1;
+            coresys.unk_65 = 1;
             GXLayers_SwapDisplay();
         }
 
@@ -1043,7 +1043,7 @@ static int sub_02086D38 (UnkStruct_02087A10 * param0, int param1)
 {
     sub_02088350(param0);
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_SELECT) {
+    if (coresys.padInput & PAD_BUTTON_SELECT) {
         if (sub_02021D34(param0->unk_390[8]) == 0) {
             sub_02021CAC(param0->unk_390[8], 1);
             return param1;
@@ -1069,15 +1069,15 @@ static int sub_02086D38 (UnkStruct_02087A10 * param0, int param1)
 
         sub_02088844(param0->unk_3A, param0->unk_4C4);
         sub_02005748(1694);
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    } else if (coresys.padInput & PAD_BUTTON_A) {
         param1 = sub_02088898(param0, param0->unk_3A[param0->unk_1C.unk_04][param0->unk_1C.unk_00], 1);
         param0->unk_1C.unk_14 = 1;
     } else if (param0->unk_62C == 1) {
         param1 = sub_02088898(param0, param0->unk_3A[param0->unk_1C.unk_04][param0->unk_1C.unk_00], 0);
         param0->unk_1C.unk_14 = 0;
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    } else if (coresys.padInput & PAD_BUTTON_B) {
         param1 = sub_02088898(param0, (0xe001 + 6), 1);
-    } else if (Unk_021BF67C.unk_48 & PAD_BUTTON_R) {
+    } else if (coresys.padInput & PAD_BUTTON_R) {
         param1 = sub_02088898(param0, (0xe001 + 5), 1);
     }
 
@@ -1203,7 +1203,7 @@ static int sub_02086F3C (UnkStruct_020067E8 * param0, int * param1)
     Heap_Destroy(18);
 
     {
-        Unk_021BF67C.unk_65 = 0;
+        coresys.unk_65 = 0;
         GXLayers_SwapDisplay();
     }
 
@@ -1976,35 +1976,35 @@ static void sub_02088350 (UnkStruct_02087A10 * param0)
         v2 = 1;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+    if (coresys.unk_4C & PAD_KEY_UP) {
         sub_02005748(1500);
         sub_02021CAC(param0->unk_390[8], 1);
         v1 = 1;
         v0++;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+    if (coresys.unk_4C & PAD_KEY_DOWN) {
         sub_02005748(1500);
         sub_02021CAC(param0->unk_390[8], 1);
         v1 = 2;
         v0++;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+    if (coresys.unk_4C & PAD_KEY_LEFT) {
         sub_02005748(1500);
         sub_02021CAC(param0->unk_390[8], 1);
         v1 = 3;
         v0++;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+    if (coresys.unk_4C & PAD_KEY_RIGHT) {
         sub_02005748(1500);
         sub_02021CAC(param0->unk_390[8], 1);
         v1 = 4;
         v0++;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_START) {
+    if (coresys.padInput & PAD_BUTTON_START) {
         sub_02005748(1500);
         sub_02021CAC(param0->unk_390[8], 1);
         param0->unk_1C.unk_00 = 12;
@@ -2247,7 +2247,7 @@ static int sub_02088898 (UnkStruct_02087A10 * param0, u16 param1, int param2)
         }
     }
 
-    if ((sub_02021D34(param0->unk_390[8]) == 0) && (Unk_021BF67C.unk_60 == 0)) {
+    if ((sub_02021D34(param0->unk_390[8]) == 0) && (coresys.touchInput == 0)) {
         sub_02021CAC(param0->unk_390[8], 1);
         return 2;
     }
@@ -2620,9 +2620,9 @@ static BOOL sub_0208903C (UnkStruct_02087A10 * param0)
         v1 = 4;
     }
 
-    if (Unk_021BF67C.unk_60) {
-        v2 = Unk_021BF67C.unk_5C;
-        v3 = Unk_021BF67C.unk_5E;
+    if (coresys.touchInput) {
+        v2 = coresys.unk_5C;
+        v3 = coresys.unk_5E;
 
         for (v0 = v1; v0 < (NELEMS(Unk_020F2A14)); v0++) {
             v4 = Unk_020F2A14[v0].unk_00;
diff --git a/src/unk_020890F4.c b/src/unk_020890F4.c
index 1311472d9a..ab2c346ce8 100644
--- a/src/unk_020890F4.c
+++ b/src/unk_020890F4.c
@@ -2,7 +2,7 @@
 #include <string.h>
 #include <dwc.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -349,7 +349,7 @@ static void sub_0208945C (UnkStruct_02018340 * param0)
         GXLayers_EngineBToggleLayers(GX_PLANEMASK_BG3, 0);
     }
 
-    Unk_021BF67C.unk_65 = 1;
+    coresys.unk_65 = 1;
 
     GXLayers_SwapDisplay();
     GXLayers_EngineAToggleLayers(GX_PLANEMASK_OBJ, 1);
diff --git a/src/unk_02089604.c b/src/unk_02089604.c
index a55c2377bf..909c01ff66 100644
--- a/src/unk_02089604.c
+++ b/src/unk_02089604.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "strbuf.h"
 
@@ -492,7 +492,7 @@ asm void sub_02089C20 (UnkStruct_02089688 * param0)
     ldr r0, [r4, r0]
     cmp r0, #1
     bne _02089CBC
-    ldr r0, = Unk_021BF67C
+    ldr r0, = coresys
               ldr r0, [r0, #0x48]
     cmp r0, #0
     beq _02089C80
@@ -532,7 +532,7 @@ asm void sub_02089C20 (UnkStruct_02089688 * param0)
     str r1, [r4, r0]
     pop {r3, r4, r5, r6, r7, pc}
  _02089CBC:
-    ldr r0, = Unk_021BF67C
+    ldr r0, = coresys
               mov r1, #0x40
     ldr r0, [r0, #0x4c]
     tst r1, r0
@@ -620,7 +620,7 @@ asm void sub_02089C20 (UnkStruct_02089688 * param0)
     mov r6, #1
     b _02089F2A
  _02089D56:
-    ldr r1, = Unk_021BF67C
+    ldr r1, = coresys
               ldr r7, [r1, #0x48]
     mov r1, #1
     tst r1, r7
diff --git a/src/unk_0208BEBC.c b/src/unk_0208BEBC.c
index 4dc7237554..efee35ee5b 100644
--- a/src/unk_0208BEBC.c
+++ b/src/unk_0208BEBC.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_0202783C_decl.h"
@@ -134,7 +134,7 @@ static int sub_0208BF6C (UnkStruct_020067E8 * param0, int * param1)
         ov62_0222F514(v0);
         Heap_Destroy(102);
         Overlay_UnloadByID(FS_OVERLAY_ID(overlay62));
-        Unk_021BF67C.unk_65 = 0;
+        coresys.unk_65 = 0;
         GXLayers_SwapDisplay();
 
         return 1;
diff --git a/src/unk_0208C098.c b/src/unk_0208C098.c
index 40d9a62777..f46a597f5a 100644
--- a/src/unk_0208C098.c
+++ b/src/unk_0208C098.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02006C24_decl.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -100,7 +100,7 @@ u8 sub_0208C15C (s16 * param0, u16 param1)
 
     v0 = *param0;
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+    if (coresys.unk_4C & PAD_KEY_UP) {
         *param0 += 1;
 
         if (*param0 > param1) {
@@ -114,7 +114,7 @@ u8 sub_0208C15C (s16 * param0, u16 param1)
         return 1;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+    if (coresys.unk_4C & PAD_KEY_DOWN) {
         *param0 -= 1;
 
         if (*param0 <= 0) {
@@ -128,7 +128,7 @@ u8 sub_0208C15C (s16 * param0, u16 param1)
         return 2;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+    if (coresys.unk_4C & PAD_KEY_LEFT) {
         *param0 -= 10;
 
         if (*param0 <= 0) {
@@ -142,7 +142,7 @@ u8 sub_0208C15C (s16 * param0, u16 param1)
         return 2;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+    if (coresys.unk_4C & PAD_KEY_RIGHT) {
         *param0 += 10;
 
         if (*param0 > param1) {
diff --git a/src/unk_0208C324.c b/src/unk_0208C324.c
index a25f207518..8c0adbaa8e 100644
--- a/src/unk_0208C324.c
+++ b/src/unk_0208C324.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "struct_decls/struct_02006C24_decl.h"
@@ -540,33 +540,33 @@ static int sub_0208CA00 (UnkStruct_0208D7BC * param0)
         return 18;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+    if (coresys.unk_4C & PAD_KEY_LEFT) {
         sub_0208D898(param0, -1);
         return 2;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+    if (coresys.unk_4C & PAD_KEY_RIGHT) {
         sub_0208D898(param0, 1);
         return 2;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+    if (coresys.unk_4C & PAD_KEY_UP) {
         sub_0208DB10(param0, -1);
         return 2;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+    if (coresys.unk_4C & PAD_KEY_DOWN) {
         sub_0208DB10(param0, 1);
         return 2;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1501);
         param0->unk_24C->unk_17 = 1;
         return 18;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         if ((param0->unk_24C->unk_12 == 3) && (param0->unk_6A4 == 4)) {
             sub_02005748(1501);
             return sub_0208E958(param0);
@@ -639,7 +639,7 @@ static int sub_0208CB74 (UnkStruct_0208D7BC * param0)
 
 static int sub_0208CB88 (UnkStruct_0208D7BC * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         if (sub_0208DF94(param0, -1) == 1) {
             sub_02005748(1500);
             sub_0208DFF4(param0);
@@ -648,7 +648,7 @@ static int sub_0208CB88 (UnkStruct_0208D7BC * param0)
         return 7;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    if (coresys.padInput & PAD_KEY_DOWN) {
         if (sub_0208DF94(param0, 1) == 1) {
             sub_02005748(1500);
             sub_0208DFF4(param0);
@@ -657,7 +657,7 @@ static int sub_0208CB88 (UnkStruct_0208D7BC * param0)
         return 7;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         if (param0->unk_6A5_0 == 4) {
             sub_02005748(1692);
             param0->unk_6A6 = 0;
@@ -675,7 +675,7 @@ static int sub_0208CB88 (UnkStruct_0208D7BC * param0)
         }
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1692);
         param0->unk_6A6 = 0;
 
@@ -691,7 +691,7 @@ static int sub_0208CB88 (UnkStruct_0208D7BC * param0)
 
 static int sub_0208CC6C (UnkStruct_0208D7BC * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         if (sub_0208DF94(param0, -1) == 1) {
             sub_02005748(1500);
             sub_0208DFF4(param0);
@@ -700,7 +700,7 @@ static int sub_0208CC6C (UnkStruct_0208D7BC * param0)
         return 8;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    if (coresys.padInput & PAD_KEY_DOWN) {
         if (sub_0208DF94(param0, 1) == 1) {
             sub_02005748(1500);
             sub_0208DFF4(param0);
@@ -709,7 +709,7 @@ static int sub_0208CC6C (UnkStruct_0208D7BC * param0)
         return 8;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02021CAC(param0->unk_41C[10], 0);
 
         if ((param0->unk_6A5_0 != 4) && (param0->unk_6A5_0 != param0->unk_6A5_4)) {
@@ -725,7 +725,7 @@ static int sub_0208CC6C (UnkStruct_0208D7BC * param0)
         return 7;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1501);
         sub_02021CAC(param0->unk_41C[10], 0);
         return 7;
@@ -736,17 +736,17 @@ static int sub_0208CC6C (UnkStruct_0208D7BC * param0)
 
 static int sub_0208CD44 (UnkStruct_0208D7BC * param0)
 {
-    if (Unk_021BF67C.unk_48 & PAD_KEY_LEFT) {
+    if (coresys.padInput & PAD_KEY_LEFT) {
         sub_0208D898(param0, -1);
         return 9;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_RIGHT) {
+    if (coresys.padInput & PAD_KEY_RIGHT) {
         sub_0208D898(param0, 1);
         return 9;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+    if (coresys.padInput & PAD_KEY_UP) {
         if (sub_0208DF94(param0, -1) == 1) {
             sub_02005748(1500);
             sub_0208DFF4(param0);
@@ -755,7 +755,7 @@ static int sub_0208CD44 (UnkStruct_0208D7BC * param0)
         return 9;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+    if (coresys.padInput & PAD_KEY_DOWN) {
         if (sub_0208DF94(param0, 1) == 1) {
             sub_02005748(1500);
             sub_0208DFF4(param0);
@@ -764,7 +764,7 @@ static int sub_0208CD44 (UnkStruct_0208D7BC * param0)
         return 9;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+    if (coresys.padInput & PAD_BUTTON_A) {
         sub_02005748(1501);
 
         if (param0->unk_6A5_0 != 4) {
@@ -781,7 +781,7 @@ static int sub_0208CD44 (UnkStruct_0208D7BC * param0)
         return 18;
     }
 
-    if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+    if (coresys.padInput & PAD_BUTTON_B) {
         sub_02005748(1501);
         param0->unk_24C->unk_16 = 4;
         param0->unk_24C->unk_17 = 1;
@@ -793,7 +793,7 @@ static int sub_0208CD44 (UnkStruct_0208D7BC * param0)
 
 static int sub_0208CE54 (UnkStruct_0208D7BC * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         sub_0208DFF4(param0);
         return 9;
     }
@@ -821,27 +821,27 @@ static int sub_0208CE84 (UnkStruct_0208D7BC * param0)
 
 static int sub_0208CE98 (UnkStruct_0208D7BC * param0)
 {
-    if (Unk_021BF67C.unk_4C & PAD_KEY_LEFT) {
+    if (coresys.unk_4C & PAD_KEY_LEFT) {
         sub_0208E794(param0, -1);
         return 13;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_RIGHT) {
+    if (coresys.unk_4C & PAD_KEY_RIGHT) {
         sub_0208E794(param0, 1);
         return 13;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_UP) {
+    if (coresys.unk_4C & PAD_KEY_UP) {
         sub_0208E794(param0, -4);
         return 13;
     }
 
-    if (Unk_021BF67C.unk_4C & PAD_KEY_DOWN) {
+    if (coresys.unk_4C & PAD_KEY_DOWN) {
         sub_0208E794(param0, 4);
         return 13;
     }
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_B | PAD_BUTTON_A)) {
+    if (coresys.padInput & (PAD_BUTTON_B | PAD_BUTTON_A)) {
         sub_02005748(1501);
         param0->unk_6A6 = 0;
         return 12;
@@ -877,7 +877,7 @@ static int sub_0208CF0C (UnkStruct_0208D7BC * param0)
 
 static int sub_0208CF78 (UnkStruct_0208D7BC * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         BoxPokemon * v0;
         Pokemon * v1;
         u8 v2;
@@ -955,7 +955,7 @@ static int sub_0208D114 (UnkStruct_0208D7BC * param0)
 {
     u8 v0;
 
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         for (v0 = 0; v0 < 5; v0++) {
             if ((param0->unk_6A6 & (1 << v0))) {
                 sub_02091610(param0, v0);
@@ -974,7 +974,7 @@ static int sub_0208D114 (UnkStruct_0208D7BC * param0)
 
 static int sub_0208D164 (UnkStruct_0208D7BC * param0)
 {
-    if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B)) {
+    if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B)) {
         return 18;
     }
 
diff --git a/src/unk_020920C0.c b/src/unk_020920C0.c
index dad505d2aa..2298c6597a 100644
--- a/src/unk_020920C0.c
+++ b/src/unk_020920C0.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_defs/union_02022594_020225E0.h"
 #include "struct_defs/struct_0208D7BC.h"
@@ -189,7 +189,7 @@ static int sub_02092224 (UnkStruct_0208D7BC * param0)
     if (v0 != 0xffffffff) {
         u16 v1 = 0xfffe;
 
-        if (sub_0201C784(param0->unk_00, 4, Unk_021BF67C.unk_5C, Unk_021BF67C.unk_5E, &v1) == 0) {
+        if (sub_0201C784(param0->unk_00, 4, coresys.unk_5C, coresys.unk_5E, &v1) == 0) {
             return 0xffffffff;
         }
     }
diff --git a/src/unk_02099DFC.c b/src/unk_02099DFC.c
index 840212dcfb..d2ae55c499 100644
--- a/src/unk_02099DFC.c
+++ b/src/unk_02099DFC.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -356,7 +356,7 @@ static BOOL sub_0209A200 (UnkStruct_02099DFC * param0, u32 param1, int param2, i
         }
         break;
     case 2:
-        if ((param2 != 0) || (Unk_021BF67C.unk_48 & 1)) {
+        if ((param2 != 0) || (coresys.padInput & 1)) {
             param0->unk_08 = 0;
             v0 = 1;
         }
diff --git a/src/unk_0209A2C4.c b/src/unk_0209A2C4.c
index 843bc24979..8dc4eaf67a 100644
--- a/src/unk_0209A2C4.c
+++ b/src/unk_0209A2C4.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_02001AF4_decl.h"
 #include "struct_decls/struct_020067E8_decl.h"
@@ -332,7 +332,7 @@ static BOOL sub_0209A688 (UnkStruct_0209A3D0 * param0, u32 param1, int param2, i
         }
         break;
     case 2:
-        if ((param2 != 0) || (Unk_021BF67C.unk_48 & PAD_BUTTON_A)) {
+        if ((param2 != 0) || (coresys.padInput & PAD_BUTTON_A)) {
             param0->unk_0C = 0;
             v0 = 1;
         }
diff --git a/src/unk_0209A74C.c b/src/unk_0209A74C.c
index 486179b216..ed6edbad95 100644
--- a/src/unk_0209A74C.c
+++ b/src/unk_0209A74C.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -92,7 +92,7 @@ void sub_0209A74C (int param0)
     GXS_SetVisiblePlane(0);
 
     sub_02017DD4(4, 8);
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
 
     G2_BlendNone();
@@ -165,7 +165,7 @@ void sub_0209A8E0 (int param0)
     GX_SetVisiblePlane(0);
     GXS_SetVisiblePlane(0);
     sub_02017DD4(4, 8);
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
 
     G2_BlendNone();
diff --git a/src/unk_0209AA74.c b/src/unk_0209AA74.c
index b97f73d270..da9fc20228 100644
--- a/src/unk_0209AA74.c
+++ b/src/unk_0209AA74.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_02018340_decl.h"
@@ -101,7 +101,7 @@ void sub_0209AA74 (int param0, int param1)
     GXS_SetVisiblePlane(0);
 
     sub_02017DD4(4, 8);
-    Unk_021BF67C.unk_65 = 0;
+    coresys.unk_65 = 0;
     GXLayers_SwapDisplay();
 
     G2_BlendNone();
diff --git a/src/unk_0209ACF4.c b/src/unk_0209ACF4.c
index 17751679c0..f26080c0eb 100644
--- a/src/unk_0209ACF4.c
+++ b/src/unk_0209ACF4.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "message.h"
 #include "struct_decls/struct_0200B358_decl.h"
@@ -246,7 +246,7 @@ static BOOL sub_0209AE14 (UnkStruct_020508D4 * param0)
         break;
     case 12:
         if (sub_0209B100(v0)) {
-            if (Unk_021BF67C.unk_48 & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_PLUS_KEY_MASK)) {
+            if (coresys.padInput & (PAD_BUTTON_A | PAD_BUTTON_B | PAD_PLUS_KEY_MASK)) {
                 sub_0209B110(v0);
                 v0->unk_54 = 13;
             }
@@ -363,7 +363,7 @@ static void sub_0209B27C (UnkStruct_0209AD84 * param0)
 static int sub_0209B288 (UnkStruct_0209AD84 * param0)
 {
     do {
-        if (Unk_021BF67C.unk_48 & PAD_KEY_UP) {
+        if (coresys.padInput & PAD_KEY_UP) {
             param0->unk_5C--;
 
             if (param0->unk_5C < 0) {
@@ -376,7 +376,7 @@ static int sub_0209B288 (UnkStruct_0209AD84 * param0)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_KEY_DOWN) {
+        if (coresys.padInput & PAD_KEY_DOWN) {
             param0->unk_5C++;
 
             if (param0->unk_5C >= param0->unk_60) {
@@ -389,12 +389,12 @@ static int sub_0209B288 (UnkStruct_0209AD84 * param0)
             break;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_A) {
+        if (coresys.padInput & PAD_BUTTON_A) {
             sub_02005748(1500);
             return param0->unk_5C;
         }
 
-        if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+        if (coresys.padInput & PAD_BUTTON_B) {
             sub_02005748(1500);
             return param0->unk_60 - 1;
         }
diff --git a/src/unk_0209B6F8.c b/src/unk_0209B6F8.c
index 031515896e..18b0936171 100644
--- a/src/unk_0209B6F8.c
+++ b/src/unk_0209B6F8.c
@@ -1,7 +1,7 @@
 #include <nitro.h>
 #include <string.h>
 
-#include "data_021BF67C.h"
+#include "coresys.h"
 
 #include "struct_decls/struct_020067E8_decl.h"
 #include "overlay104/struct_ov104_022320B4_decl.h"
@@ -115,7 +115,7 @@ int sub_0209B75C (UnkStruct_020067E8 * param0, int * param1)
         }
 
         if (ov104_0222E6A8(v0->unk_14) == 1) {
-            if (Unk_021BF67C.unk_48 & PAD_BUTTON_B) {
+            if (coresys.padInput & PAD_BUTTON_B) {
                 *param1 = 2;
             }
         }