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cc65/libsrc/pce/waitvsync.s
2018-08-30 11:48:46 +02:00

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332 B
ArmAsm

;
; Written by Groepaz <groepaz@gmx.net>
;
; void waitvsync (void);
;
.export _waitvsync
.forceimport ticktock ; make sure that tickcount changes
.include "extzp.inc"
.proc _waitvsync
lda tickcount
@lp: cmp tickcount
beq @lp
rts
.endproc