Got it to the point that it can run a simple echo test

2023-09-12 15:39:13 +02:00
parent 0d3dfb5a37
commit 96038abeb1
12 changed files with 173 additions and 53 deletions
--- a/test/echo.mac
+++ b/test/echo.mac
@@ -6,11 +6,14 @@ xbuf = 177566
 	.psect .txt
 	.title echo
 start:	
+	mov 	#40,r3
 	tstb	@#rcsr
-	bmi	start
+	bge	start
 	mov	@#rbuf,r1
-	xor	r1,#40
-	mov	r1,@#xbuf
+	cmpb	r1,#40
+	ble	noxor
+	xor	r3,r1
+noxor:	mov	r1,@#xbuf
 	br	start
 .byte 123
 .end start