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cc65/libsrc/gamate/ticktock.s
2015-11-29 01:14:59 +01:00

18 lines
355 B
ArmAsm

.interruptor ticktock, 24
.include "gamate.inc"
.include "extzp.inc"
ticktock:
; Increment the system tick counter.
inc tickcount
bne @s1
inc tickcount+1
bne @s1
inc tickcount+2
bne @s1
inc tickcount+3
@s1:
rts