1
0
mirror of https://github.com/cc65/cc65.git synced 2024-11-15 11:05:56 +00:00
cc65/libsrc/nes/waitvblank.s

19 lines
275 B
ArmAsm

;
; Written by Groepaz/Hitmen <groepaz@gmx.net>
; Cleanup by Ullrich von Bassewitz <uz@cc65.org>
;
; void waitvblank(void);
;
.export _waitvblank
.include "nes.inc"
.proc _waitvblank
wait: lda PPU_STATUS
bpl wait
rts
.endproc