From 0ea3e0fa12191dd86534c44cece1abbce3018140 Mon Sep 17 00:00:00 2001
From: Riley King-Saunders <riley.kingsaunders@gmail.com>
Date: Fri, 16 Oct 2026 11:33:45 +1100
Subject: [PATCH] Added initialisation blocks for PC and GPR's

---
 modules/instruction_counter.sv | 5 +++++
 modules/register_file.sv       | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/modules/instruction_counter.sv b/modules/instruction_counter.sv
index 780b99a..ec025de 100644
--- a/modules/instruction_counter.sv
+++ b/modules/instruction_counter.sv
@@ -8,6 +8,11 @@ module instruction_counter #(parameter width=5)(
 );
 
     logic [2**width-1:0] pc;
+
+    initial begin
+        pc = {(2**width){1'b0}};
+    end
+
     always_ff @(posedge clk) begin
         if (we) begin
             pc <= W;
diff --git a/modules/register_file.sv b/modules/register_file.sv
index f159ccd..5100916 100644
--- a/modules/register_file.sv
+++ b/modules/register_file.sv
@@ -12,7 +12,8 @@ module register_file #(parameter width=5, parameter nregs=5)(
     logic [2**width-1:0] regs[2**nregs];
 
     initial begin
-        regs[0] = {(2**width){1'b0}};
+        for (integer N = 0; N < (2**nregs); ++N)
+            regs[N] = 32'd0;
     end
 
     always_ff @(posedge clk) begin