mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-01 01:06:33 +00:00
19 lines
215 B
ArmAsm
19 lines
215 B
ArmAsm
|
; copy of ROM wait
|
||
|
|
; because we might disable ROM
|
||
|
|
|
||
|
|
|
||
|
|
wait:
|
||
|
|
sec
|
||
|
|
wait2:
|
||
|
|
pha
|
||
|
|
wait3:
|
||
|
|
sbc #$01
|
||
|
|
bne wait3
|
||
|
|
pla
|
||
|
|
sbc #$01
|
||
|
|
bne wait2
|
||
|
|
rts
|
||
|
|
wait_end:
|
||
|
|
|
||
|
|
.assert (>wait_end - >wait) < 1 , error, "wait crosses page boundary"
|