X-Git-Url: http://git.joshuawise.com/fpgaboy.git/blobdiff_plain/06ad3a30038ac8ca45dd7b0c34213c0c8335c17c..62940da0dd1b60db11e9861d6dd55a43c5756114:/rom.asm

diff --git a/rom.asm b/rom.asm
index 93f8524..5527ea8 100644
--- a/rom.asm
+++ b/rom.asm
@@ -4,7 +4,7 @@ main:
 	ld c, $51	; Note that we are alive.
 	ld a, $FF
 	ld [c],a
-
+	
 	ld sp, $DFFF
 
 	ld hl, signon
@@ -105,7 +105,7 @@ waitsw:
 	call puts
 	
 	ld c, $07
-	ld a, $07	;start timer, 4.096KHz
+	ld a, $04	;start timer, 4.096KHz
 	ld [c], a
 	
 	ld c, $51
@@ -138,13 +138,8 @@ testa:
 	ret z
 	xor a
 	ld [c], a
-	ld hl, $D000
-	ld c, [hl]
-	inc bc
-	ld [hl], c
-	ld a, c
-	ld c, $50
-	ld [c], a
+	ld a, $41
+	call putc
 	ret
 
 ; Core instruction basic acceptance tests.
@@ -258,10 +253,12 @@ insntest:
 putc:
 	ld b, 0
 	ld c, $50
+	push af
 .waitport:
 	ld a,[c]
 	cp b
 	jr nz,.waitport
+	pop af
 	ld [c],a
 	ret
 
@@ -269,6 +266,8 @@ puts:
 	ld a, [hli]
 	ld b, $00
 	cp b
-	ret z
+	jr z, .done
 	call putc
 	jr puts
+.done:
+	ret