X-Git-Url: http://git.joshuawise.com/fpgaboy.git/blobdiff_plain/00573fd53c3dc0b2aca146f085d30801a3aed576..fe3dc8909a6c72ce4208cb5b8b64bc6b2f8cebd6:/diag.asm

diff --git a/diag.asm b/diag.asm
index 8d6aec8..e3afaa4 100644
--- a/diag.asm
+++ b/diag.asm
@@ -1,3 +1,6 @@
+	section "end",HOME[1024]
+	nop
+
 	SECTION "a",HOME[$00]
 
 start: jp main
@@ -13,11 +16,9 @@ start: jp main
 
 main:
 	ld a, $FF
-	ld [$FF51],a
+	ld c, $51
+	ld [c], a
 
-;	ld a, $04
-;	ld [$FFFF], a
-	
 	ld sp, $DFF0
 	
 	ld a, $04	;start timer, 4.096KHz
@@ -50,11 +51,13 @@ signon:
 vbl:
 lcdc:
 	PUSH AF
+	PUSH BC
 	
 	xor a
 	ld c, $0F
 	ld [c], a
 	
+	POP BC
 	POP AF
 	
 	reti
@@ -76,10 +79,8 @@ tmro:
 	ld a, $41	; print A
 	call putc
 .noprint:
-	ld hl, $DF81
+	inc [hl]
 	ld a, [hl]
-	add 1
-	ld [hl], a
 	ld c, $51
 	ld [c], a
 
@@ -340,3 +341,4 @@ puts:
 	ret z
 	call putc
 	jr puts
+