mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-12-29 00:31:52 +00:00
60 lines
755 B
ArmAsm
60 lines
755 B
ArmAsm
|
|
;============================
|
|
; click the speaker
|
|
;============================
|
|
; FIXME: make it last longer?
|
|
|
|
click_speaker:
|
|
lda SOUND_STATUS
|
|
bmi done_click
|
|
bit $c030
|
|
done_click:
|
|
rts
|
|
|
|
|
|
long_beep:
|
|
ldy #235
|
|
bne do_beep
|
|
|
|
short_beep:
|
|
ldy #40
|
|
bne do_beep
|
|
|
|
;===========================
|
|
; BEEP (inlined)
|
|
;===========================
|
|
do_beep:
|
|
lda SOUND_STATUS
|
|
bmi done_beep
|
|
|
|
sty tone_smc+1
|
|
|
|
; BEEP
|
|
; repeat 30 times
|
|
lda #30 ; 2
|
|
tone1_loop:
|
|
|
|
tone_smc:
|
|
|
|
ldy #24 ; 2
|
|
loopC: ldx #6 ; 2
|
|
loopD: dex ; 1
|
|
bne loopD ; 2
|
|
dey ; 1
|
|
bne loopC ; 2
|
|
|
|
bit SPEAKER ; 3 ; click speaker
|
|
|
|
sec ; 1
|
|
sbc #1 ; 2
|
|
bne tone1_loop ; 2
|
|
|
|
; Try X=6 Y=21 cycles=757
|
|
; Try X=6 Y=24 cycles=865
|
|
; Try X=7 Y=235 cycles=9636
|
|
done_beep:
|
|
rts
|
|
|
|
|
|
|