From 5d3d64d703fd8c1ef94bd3b67a2e3e43414df604 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Mon, 5 Apr 2021 10:16:58 -0700
Subject: Remove some old debug messages.

---
 hdl/top.sv | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/hdl/top.sv b/hdl/top.sv
index 71a5a48..2615db8 100644
--- a/hdl/top.sv
+++ b/hdl/top.sv
@@ -92,12 +92,10 @@ always_ff @(posedge clk) begin
         acc = 0;
         state = state.first;
     end else begin
-        `ifdef DEBUG $display("s=%0d pc=%x (acc=%x) (mem %b:%x)", state, pc, acc, `mem_read_valid, `mem_read_data); `endif
         if (`tx_ready) tx_valid = 0;
 
         case (state)
             FETCH: begin
-                `ifdef DEBUG $display("\tfetch"); `endif
                 mem_valid = 1;
                 mem_address = {2'b0, pc};
                 mem_write = 0;
@@ -114,7 +112,6 @@ always_ff @(posedge clk) begin
                     state = FETCH;
                     {opcode, operand} = `mem_read_data;
                     sign_extended_operand = {{(DATA_BITS-8){operand[7]}}, operand};
-                    `ifdef DEBUG $display("\tdecode %x:%x", opcode, operand); `endif
                     case (opcode)
                         'h0: begin
                             if (operand[0]) acc = 0;
@@ -169,7 +166,6 @@ always_ff @(posedge clk) begin
                 mem_valid = 0;
                 mem_write = 0;
                 state = FETCH;
-                `ifdef DEBUG $display("\tagen"); `endif
                 case (opcode)
                     'h2: begin
                         mem_valid = 1;
@@ -199,7 +195,6 @@ always_ff @(posedge clk) begin
                     mem_write = 0;
                 end
                 state = FETCH;
-                `ifdef DEBUG $display("\tstall"); `endif
                 case (opcode)
                     'h0: begin
                         if (operand[6]) begin
@@ -221,13 +216,8 @@ always_ff @(posedge clk) begin
                 endcase
             end
 
-            HALT: begin
-                $display("Reached halt state.");
-                $finish;
-            end
+            HALT: $finish;
         endcase
-
-        `ifdef DEBUG if (mem_valid) $display("\tmem addr=%x w=%b", mem_address, mem_write); `endif
     end
 end
 
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