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cc65/libsrc/pet/waitvsync.s

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2020-11-18 00:05:40 +00:00
;
; Written by Robin Harbron, requires 12" monitor
;
; void waitvsync (void);
;
.export _waitvsync
.include "pet.inc"
_waitvsync:
@l1:
lda VIA_PB
and #%00100000
bne @l1
rts