From 21d30412327d8dfe81a5c05caeb4f1db0ac6fe2d Mon Sep 17 00:00:00 2001
From: Ignacio Sanchez Gines <863613+drhelius@users.noreply.github.com>
Date: Sat, 3 Aug 2024 23:36:55 +0200
Subject: [PATCH] Structure for tests

---
 platforms/shared/desktop/gui_debug_huc6280.cpp |  2 +-
 src/huc6280.h                                  |  8 ++++++++
 src/huc6280_inline.h                           | 18 +++++++++---------
 3 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/platforms/shared/desktop/gui_debug_huc6280.cpp b/platforms/shared/desktop/gui_debug_huc6280.cpp
index 84fbceb..8fe846e 100644
--- a/platforms/shared/desktop/gui_debug_huc6280.cpp
+++ b/platforms/shared/desktop/gui_debug_huc6280.cpp
@@ -61,7 +61,7 @@ void gui_debug_window_huc6280(void)
 
         ImGui::TableNextColumn();
         ImGui::TextColored(yellow, "    SP"); ImGui::SameLine();
-        ImGui::Text("= $%04X", 0x2100 | proc_state->S->GetValue());
+        ImGui::Text("= $%04X", STACK_ADDR | proc_state->S->GetValue());
         ImGui::Text(BYTE_TO_BINARY_PATTERN_SPACED " " BYTE_TO_BINARY_PATTERN_SPACED, BYTE_TO_BINARY(0x21), BYTE_TO_BINARY(proc_state->S->GetValue()));
 
         ImGui::TableNextColumn();
diff --git a/src/huc6280.h b/src/huc6280.h
index 1bb6c31..9ed6ea1 100644
--- a/src/huc6280.h
+++ b/src/huc6280.h
@@ -34,6 +34,14 @@
 #define FLAG_OVERFLOW   0x40
 #define FLAG_NEGATIVE   0x80
 
+#if defined(GEARGRAFX_TESTING)
+#define ZERO_PAGE_ADDR  0x0000
+#define STACK_ADDR      0x0100
+#else
+#define ZERO_PAGE_ADDR  0x2000
+#define STACK_ADDR      0x2100
+#endif
+
 class Memory;
 class HuC6270;
 
diff --git a/src/huc6280_inline.h b/src/huc6280_inline.h
index 31e72c8..7c0e463 100644
--- a/src/huc6280_inline.h
+++ b/src/huc6280_inline.h
@@ -174,7 +174,7 @@ inline bool HuC6280::PageCrossed(u16 old_address, u16 new_address)
 
 inline u16 HuC6280::ZeroPageX()
 {
-    return 0x2000 | m_X.GetValue();
+    return ZERO_PAGE_ADDR | m_X.GetValue();
 }
 
 inline void HuC6280::SetOrClearZNFlags(u8 result)
@@ -210,31 +210,31 @@ inline bool HuC6280::IsSetFlag(u8 flag)
 
 inline void HuC6280::StackPush16(u16 value)
 {
-    m_memory->Write(0x2100 | m_S.GetValue(), static_cast<u8>(value >> 8));
+    m_memory->Write(STACK_ADDR | m_S.GetValue(), static_cast<u8>(value >> 8));
     m_S.Decrement();
-    m_memory->Write(0x2100 | m_S.GetValue(), static_cast<u8>(value & 0x00FF));
+    m_memory->Write(STACK_ADDR | m_S.GetValue(), static_cast<u8>(value & 0x00FF));
     m_S.Decrement();
 }
 
 inline void HuC6280::StackPush8(u8 value)
 {
-    m_memory->Write(0x2100 | m_S.GetValue(), value);
+    m_memory->Write(STACK_ADDR | m_S.GetValue(), value);
     m_S.Decrement();
 }
 
 inline u16 HuC6280::StackPop16()
 {
     m_S.Increment();
-    u8 l = m_memory->Read(0x2100 | m_S.GetValue());
+    u8 l = m_memory->Read(STACK_ADDR | m_S.GetValue());
     m_S.Increment();
-    u8 h = m_memory->Read(0x2100 | m_S.GetValue());
+    u8 h = m_memory->Read(STACK_ADDR | m_S.GetValue());
     return Address16(h , l);
 }
 
 inline u8 HuC6280::StackPop8()
 {
     m_S.Increment();
-    return m_memory->Read(0x2100 | m_S.GetValue());
+    return m_memory->Read(STACK_ADDR | m_S.GetValue());
 }
 
 inline u8 HuC6280::ImmediateAddressing()
@@ -244,12 +244,12 @@ inline u8 HuC6280::ImmediateAddressing()
 
 inline u16 HuC6280::ZeroPageAddressing()
 {
-    return 0x2000 | Fetch8();
+    return ZERO_PAGE_ADDR | Fetch8();
 }
 
 inline u16 HuC6280::ZeroPageAddressing(EightBitRegister* reg)
 {
-    return 0x2000 | ((Fetch8() + reg->GetValue()) & 0xFF);
+    return ZERO_PAGE_ADDR | ((Fetch8() + reg->GetValue()) & 0xFF);
 }
 
 inline u16 HuC6280::ZeroPageRelativeAddressing()