From 48205bf3e8d421b6aa0474a4d120ae5faaaaa670 Mon Sep 17 00:00:00 2001
From: Flavian Kaufmann <flavian@flaviankaufmann.ch>
Date: Mon, 13 May 2024 07:46:45 +0200
Subject: refactoring, runs now on fpga

---
 src/cpu.v | 26 +++++++++-----------------
 1 file changed, 9 insertions(+), 17 deletions(-)

(limited to 'src/cpu.v')

diff --git a/src/cpu.v b/src/cpu.v
index b1c28a1..bab556b 100644
--- a/src/cpu.v
+++ b/src/cpu.v
@@ -1,6 +1,7 @@
 module cpu (
   input clk,
-  input rstn
+  input rstn,
+  output [31:0] dbg_t6
 );
 
 
@@ -23,43 +24,34 @@ control_unit control_unit (
 
 
 wire [31:0] pc, pc_buf;
+wire pc_we;
 
 wire [31:0] mem_addr;
-
 wire mem_addr_src;
-
 wire [31:0] mem_rd;
-
 wire mem_we;
-wire instr_we;
 
+wire instr_we;
 wire [31:0] instr;
 
+wire [31:0] imm;
+wire [2:0] imm_src;
+
 wire [31:0] data_buf;
-wire pc_we;
 
 wire rf_we;
-
 wire [31:0] rd1, rd2;
 wire [31:0] rd1_buf, rd2_buf;
 
 wire [31:0] alu_a, alu_b;
-
-wire [31:0] imm;
-wire [2:0] imm_src;
-
 wire [1:0] alu_a_src;
 wire [1:0] alu_b_src;
-
 wire [3:0] alu_op;
-
 wire [31:0] alu_result;
 wire alu_zero;
-
 wire [31:0] alu_result_buf;
 
 wire [1:0] result_src;
-
 wire [31:0] result;
 
 
@@ -119,7 +111,8 @@ register_file register_file (
   .wa3(instr[11:7]),
   .rd1(rd1),
   .rd2(rd2),
-  .wd3(result)
+  .wd3(result),
+  .dbg_t6(dbg_t6)
 );
 
 register_file_reg register_file_reg (
@@ -169,5 +162,4 @@ result_mux result_mux (
   .result(result)
 );
 
-
 endmodule
-- 
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