From 4fdacebca0f622a591e7d333c968fe5ae9380a54 Mon Sep 17 00:00:00 2001
From: Michael Norris <108370498+Nitsirks@users.noreply.github.com>
Date: Fri, 22 Nov 2024 11:10:24 -0800
Subject: [PATCH] flopping mode decode in ntt to help timing/fanout issues
 (#44)

* flopping mode decode in ntt to help timing/fanout issues

* fixing reset copy paste issue due to rushed changes

* MICROSOFT AUTOMATED PIPELINE: Stamp 'user/dev/michnorris/ntt_timing' with updated timestamp and hash after successful run
---
 .github/workflow_metadata/pr_hash      |  2 +-
 .github/workflow_metadata/pr_timestamp |  2 +-
 src/ntt_top/rtl/ntt_top.sv             | 28 +++++++++++++++++++-------
 3 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/.github/workflow_metadata/pr_hash b/.github/workflow_metadata/pr_hash
index a73bc0b..345ef82 100644
--- a/.github/workflow_metadata/pr_hash
+++ b/.github/workflow_metadata/pr_hash
@@ -1 +1 @@
-33d06fbea7186dcc35701c7246494b5dc37c2ced6c160c81495915e8364ce6817152174a1048eba8618a889e68f0e06d
\ No newline at end of file
+111d16ee2f110fee7f711f78fd5440db8226f6ca262388d96e92fe0a3ce18a51c81b3ceb16a6524be00cd21c4680a85a
\ No newline at end of file
diff --git a/.github/workflow_metadata/pr_timestamp b/.github/workflow_metadata/pr_timestamp
index 3dbb6c5..b627b51 100644
--- a/.github/workflow_metadata/pr_timestamp
+++ b/.github/workflow_metadata/pr_timestamp
@@ -1 +1 @@
-1732146153
\ No newline at end of file
+1732302200
\ No newline at end of file
diff --git a/src/ntt_top/rtl/ntt_top.sv b/src/ntt_top/rtl/ntt_top.sv
index 1a5c848..9580e30 100644
--- a/src/ntt_top/rtl/ntt_top.sv
+++ b/src/ntt_top/rtl/ntt_top.sv
@@ -148,13 +148,27 @@ module ntt_top
     logic pwm_mode, pwa_mode, pws_mode;
     logic pwm_intt_mode;
 
-    assign ct_mode = (mode == ct);
-    assign gs_mode = (mode == gs);
-    assign pwo_mode = (mode inside {pwm, pwa, pws});
-    assign pwm_mode = (mode == pwm);
-    assign pwa_mode = (mode == pwa);
-    assign pws_mode = (mode == pws);
-    assign pwm_intt_mode = (mode == pwm_intt);
+    always_ff @(posedge clk or negedge reset_n) begin
+        if (!reset_n) begin
+            ct_mode <= 0;
+            gs_mode <= 0;
+            pwo_mode <= 0;
+            pwm_mode <= 0;
+            pwa_mode <= 0;
+            pws_mode <= 0;
+            pwm_intt_mode <= 0;
+        end
+        else begin
+            ct_mode <= (mode == ct);
+            gs_mode <= (mode == gs);
+            pwo_mode <= (mode inside {pwm, pwa, pws});
+            pwm_mode <= (mode == pwm);
+            pwa_mode <= (mode == pwa);
+            pws_mode <= (mode == pws);
+            pwm_intt_mode <= (mode == pwm_intt);
+        end
+    end
+
     assign pw_rden_dest_mem = accumulate ? pw_rden : 1'b0;
 
     //Mem IF assignments: