dos33fsprogs/mist/wait_a_bit.s
2020-09-02 01:01:11 -04:00

28 lines
305 B
ArmAsm

;====================================
; wait for keypress or a few seconds
;====================================
wait_a_bit:
bit KEYRESET
tax
keyloop:
lda #200 ; delay a bit
jsr WAIT
lda KEYPRESS
bmi done_keyloop
; bmi keypress_exit
dex
bne keyloop
done_keyloop:
bit KEYRESET
rts