From 50dc62be4128b6c17b4ff42c0440250526a23215 Mon Sep 17 00:00:00 2001
From: Jacques Comeaux <jacquesrcomeaux@protonmail.com>
Date: Sun, 26 May 2024 14:23:17 -0500
Subject: Use CMP immediate

---
 assembler/register.s | 20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)

(limited to 'assembler/register.s')

diff --git a/assembler/register.s b/assembler/register.s
index 348d8cf..f8197fd 100644
--- a/assembler/register.s
+++ b/assembler/register.s
@@ -12,33 +12,26 @@ register:
   ADDS R4, ('0 + 1)
 10:
   BL get_char
-  MOVS R1, 'R
-  CMP R0, R1
+  CMP R0, 'R
   BNE 10b
   BL uart_send
 20:
   BL get_char
-  MOVS R1, '0
-  CMP R0, R1
+  CMP R0, '0
   BLO 20b
   CMP R0, R4
   BHI 20b
   BL uart_send
-  MOVS R1, '1
-  CMP R0, R1
+  CMP R0, '1
   BNE 30f
-  MOVS R1, '7
-  CMP R4, R1
+  CMP R4, '7
   BEQ 30f
 50:
   BL get_char
-  // CMP R0, '  // space is stop char
   BEQ 60f
-  MOVS R1, '0
-  CMP R0, R1
+  CMP R0, '0
   BLO 50b
-  MOVS R1, '5
-  CMP R0, R1
+  CMP R0, '5
   BHI 50b
   BL uart_send
   ADDS R0, 10
@@ -47,7 +40,6 @@ register:
   MOV R4, R0
 40:
   BL get_char
-  // CMP R0, '  // space is stop char
   BNE 40b
   POP {PC}
 60:
-- 
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