From: Joshua Wise Date: Sat, 19 Apr 2008 09:48:37 +0000 (-0400) Subject: Modify the diagrom to test two byte insns X-Git-Url: http://git.joshuawise.com/fpgaboy.git/commitdiff_plain/ee31adcb22c5011aeaaa0149ee22fa18e45317a5 Modify the diagrom to test two byte insns --- diff --git a/diag.asm b/diag.asm index e9a9f19..e9fff6a 100644 --- a/diag.asm +++ b/diag.asm @@ -141,30 +141,19 @@ vbl: ld [$FF0F], a ld a, [$FF51] - ld b, a - and $80 - cp $80 - jr nz, .nothing - ld c, $0 + bit 7, a + jr z, .nothing - ld a, b - and $1 - cp c + bit 0, a call nz, .scyup - ld a, b - and $2 - cp c + bit 1, a call nz, .scydown - ld a, b - and $4 - cp c + bit 2, a call nz, .scxup - ld a, b - and $8 - cp c + bit 3, a call nz, .scxdown .nothing: