1
0
mirror of https://github.com/sehugg/8bitworkshop.git synced 2024-11-29 14:51:17 +00:00
8bitworkshop/presets/c64/sidplaysfx.ca65
2022-08-20 18:03:54 -05:00

73 lines
1.7 KiB
Plaintext

; music and SFX from GoatTracker 2 sample files
; http://sourceforge.net/projects/goattracker2
.segment "DATA"
_sid_playing: .byte $00
.segment "SIDFILE"
.incbin "sidmusic1.bin"
.segment "LOWCODE"
.global _sid_init, _sid_update, _sid_sfx
.global _sid_start, _sid_stop, _sid_playing
_sid_init:
jmp $1000
_sid_update:
bit _sid_playing
bpl @noplay
jmp $1003
@noplay:
rts
_sid_sfx:
tax
lda sfxtbllo,x ;Address in A,Y
ldy sfxtblhi,x
ldx #$0e ;Channel index in X
jmp $1006 ;(0, 7 or 14)
_sid_start:
lda #$80
bne skipstop
_sid_stop:
lda #$00
sta $d418
skipstop:
sta _sid_playing
rts
sfxtbllo: .byte <arpeggio2
.byte <arpeggio1
.byte <gunshot
.byte <explosion
sfxtblhi: .byte >arpeggio2
.byte >arpeggio1
.byte >gunshot
.byte >explosion
arpeggio2:
.byte $00,$89,$04,$A2,$41,$A2,$A2,$A6,$A6,$A6,$40,$A9,$A9,$A9,$A2,$A2
.byte $A2,$A6,$A6,$A6,$A9,$A9,$A9,$A2,$A2,$A2,$A6,$A6,$A6,$A9,$A9,$A9
.byte $A2,$A2,$A2,$A6,$A6,$A6,$A9,$A9,$A9,$00
arpeggio1:
.byte $0A,$00,$02,$A0,$41,$A0,$A0,$A4,$A4,$A4,$A7,$A7,$A7,$A0,$A0,$A0
.byte $A4,$A4,$A4,$A7,$A7,$A7,$A0,$A0,$A0,$A4,$A4,$A4,$A7,$A7,$A7,$A0
.byte $A0,$A0,$A4,$A4,$A4,$A7,$A7,$A7,$00
gunshot:
.byte $00,$F9,$08,$C4,$81,$A8,$41,$C0,$81,$BE,$BC,$80,$BA,$B8,$B6,$B4
.byte $B2,$B0,$AE,$AC,$AA,$A8,$A6,$A4,$A2,$A0,$9E,$9C,$9A,$98,$96,$94
.byte $92,$90,$00
explosion:
.byte $00,$FA,$08,$B8,$81,$A4,$41,$A0,$B4,$81,$98,$92,$9C,$90,$95,$9E
.byte $92,$80,$94,$8F,$8E,$8D,$8C,$8B,$8A,$89,$88,$87,$86,$84,$00