From b6d3d32e88468eff8c10939efb8653833702512d Mon Sep 17 00:00:00 2001 From: mrdudz Date: Tue, 18 Jul 2017 01:06:20 +0200 Subject: [PATCH] wait for line 0 instead of last line --- libsrc/vic20/waitvsync.s | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/libsrc/vic20/waitvsync.s b/libsrc/vic20/waitvsync.s index b5861ada3..1c76f2497 100644 --- a/libsrc/vic20/waitvsync.s +++ b/libsrc/vic20/waitvsync.s @@ -8,20 +8,9 @@ .include "vic20.inc" -; FIXME -; this flag doesnt work on vic20!!! -; it will have to be filled by a get_tv() constructor or so -PALFLAG = $2A6 ; $01 = PAL, $00 = NTSC - _waitvsync: - lda PALFLAG - beq @ntsc - ldx #(312-8)/2 - .byte $2c -@ntsc: - ldx #(262-8)/2 @l2: - cpx VIC_HLINE - bcs @l2 + lda VIC_HLINE + bne @l2 rts -- 2.39.5