From 8b5b3095a033e5361ef075fb03ae0ca62073e564 Mon Sep 17 00:00:00 2001
From: yannickreiss <yannick.reiss@protonmail.ch>
Date: Thu, 8 Aug 2024 06:28:36 +0200
Subject: [PATCH] Reset in program counter matched with clock

---
 src/cpu.vhd |  7 +++----
 src/pc.vhd  | 32 ++++++++++++++------------------
 2 files changed, 17 insertions(+), 22 deletions(-)

diff --git a/src/cpu.vhd b/src/cpu.vhd
index 92d158d..6af8e1a 100644
--- a/src/cpu.vhd
+++ b/src/cpu.vhd
@@ -327,10 +327,9 @@ begin
         when stEXEC => s_cycle_cnt <= stWB;
         when others => s_cycle_cnt <= stIF;
       end case;
-    else
-      if falling_edge(reset) then
-        s_cycle_cnt <= stIF;
-      end if;
+    end if;
+    if falling_edge(reset) then
+      s_cycle_cnt <= stIF;
     end if;
   end process pc_cycle_control;
 
diff --git a/src/pc.vhd b/src/pc.vhd
index 61c0479..640f471 100644
--- a/src/pc.vhd
+++ b/src/pc.vhd
@@ -26,26 +26,22 @@ architecture pro_count of pc is
   signal addr_out      : ram_addr_t := (others => '0');
   signal addr_out_plus : ram_addr_t := (others => '0');
 begin
-  process (clk)
-  begin
-    if rising_edge(clk) then
-      if en_pc = "1" then
-        -- count 
-        if doJump = "1" then
-          addr_out <= addr_calc;
-        -- jump
-        else
-          addr_out <= addr_out_plus;
-        end if;
-      end if;
-    end if;
-  end process;
-
-  process (reset)
+  process (clk, reset)
   begin
     if falling_edge(reset) then
-      addr_out      <= (others => '0');
-      addr_out_plus <= (others => '0');
+      addr_out <= (others => '0');
+    else
+      if rising_edge(clk) then
+        if en_pc = "1" then
+          -- count 
+          if doJump = "1" then
+            addr_out <= addr_calc;
+          -- jump
+          else
+            addr_out <= addr_out_plus;
+          end if;
+        end if;
+      end if;
     end if;
   end process;