From cd918302cc8b5ff4496c864128a2362265c16036 Mon Sep 17 00:00:00 2001
From: "(Tim) Efthimis Kritikos" <efkf@firemail.cc>
Date: Fri, 10 Feb 2023 15:35:43 +0000
Subject: [PATCH] Removed now useless register init code and changed disas
 command name

---
 cpu/Makefile      |  4 ++--
 cpu/boot_code.asm |  4 +++-
 cpu/registers.v   | 10 ----------
 3 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/cpu/Makefile b/cpu/Makefile
index 6a2f36f..abdc911 100644
--- a/cpu/Makefile
+++ b/cpu/Makefile
@@ -30,6 +30,6 @@ boot_code.txt:boot_code.bin
 boot_code.bin:boot_code.asm
 	as86 -0 $< -b $@
 
-.PHONY: dumpas
-dumpas: boot_code.bin
+.PHONY: disas
+disas: boot_code.bin
 	objdump -D -b binary -m i8086 boot_code.bin
diff --git a/cpu/boot_code.asm b/cpu/boot_code.asm
index 87220fa..fa33a62 100644
--- a/cpu/boot_code.asm
+++ b/cpu/boot_code.asm
@@ -1,4 +1,6 @@
-MOV CX,#0x1234
+MOV AX,#0x0000
+MOV CX,#0x0000
+MOV BX,#0x0000
 ADD AX,#0xDEAD
 ADD CX,#0xBEEF
 ADD CX,#0x4111
diff --git a/cpu/registers.v b/cpu/registers.v
index ae55edb..53f6af3 100644
--- a/cpu/registers.v
+++ b/cpu/registers.v
@@ -2,16 +2,6 @@ module register_file ( input [2:0]addr1, inout [15:0]data1, input wire read1, in
 reg [15:0] registers [7:0];
 assign data2 = !read2 ? registers[addr2] : 'hz;
 assign data1 = !read1 ? registers[addr1] : 'hz;
-initial begin 
-	registers['b000]=0;
-	registers['b001]=0;
-	registers['b010]=0;
-	registers['b011]=0;
-	registers['b100]=0;
-	registers['b101]=0;
-	registers['b110]=0;
-	registers['b111]=0; // TODO Don't clear. Remove after we implement the MOV instruction
-end
 always @(negedge write1) begin
 	registers[addr1] = data1;
 	//$display("registers: 0:%04x 1:%04x 2:%04x",registers[0],registers[1],registers[2]);