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buzzkick - reck.asm
1234 lines (1130 loc) · 13.6 KB
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buzzkick - reck.asm
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output "reck.bin"
; BUZZKICK - "reck"
;
;
org $4000
start: ld hl, musicData1
di
call play
di
ret
play: di
ld (readRow.drumList), hl
ld a, (hl)
inc hl
ld h, (hl)
ld l, a
xor a
ld (songSpeedComp), a
ld (soundLoop.ch1out), a
ld (soundLoop.ch2out), a
ld a, 128
ld (soundLoop.ch1freq), a
ld (soundLoop.ch2freq), a
ld a, 1
ld (soundLoop.ch1delay1), a
ld (soundLoop.ch2delay1), a
ld a, 16
ld (soundLoop.ch1delay2), a
ld (soundLoop.ch2delay2), a
exx
ld d, a
ld e, a
ld b, a
ld c, a
push hl
exx
readRow:
ld c, (hl)
inc hl
bit 7, c
jr z, .noSpeed
ld a, (hl)
inc hl
or a
jr nz, .noLoop
ld a, (hl)
inc hl
ld h, (hl)
ld l, a
jr readRow
.noLoop:
ld (songSpeed), a
.noSpeed:
bit 6, c
jr z, .noSustain1
ld a, (hl)
inc hl
exx
ld d, a
ld e, a
exx
.noSustain1:
bit 5, c
jr z, .noSustain2
ld a, (hl)
inc hl
exx
ld b, a
ld c, a
exx
.noSustain2:
bit 4, c
jr z, .noNote1
ld a, (hl)
ld d, a
inc hl
or a
jr z, $+4
ld a, $18
ld (soundLoop.ch1out), a
jr z, .noNote1
ld a, d
ld (soundLoop.ch1freq), a
srl a
srl a
ld (soundLoop.ch1delay2), a
ld a, 1
ld (soundLoop.ch1delay1), a
exx
ld e, d
exx
.noNote1:
bit 3, c
jr z, .noNote2
ld a, (hl)
ld e, a
inc hl
or a
jr z, $+4
ld a, $21
ld (soundLoop.ch2out), a
jr z, .noNote2
ld a, e
ld (soundLoop.ch2freq), a
srl a
srl a
srl a
ld (soundLoop.ch2delay2), a
ld a, 1
ld (soundLoop.ch2delay1), a
exx
ld c, b
exx
.noNote2:
ld a, c
and 7
jr z, .noDrum
.playDrum:
push hl
add a, a
add a, a
ld c, a
ld b, 0
.drumList=$+1
ld hl, 0
add hl, bc
ld a, (hl) ;length in 256-sample blocks
ld b, a
inc hl
inc hl
add a, a
add a, a
ld (songSpeedComp), a
ld a, (hl)
inc hl
ld h, (hl) ;sample data
ld l, a
ld a, 1
ld (.mask), a
ld c, 0
.loop0:
ld a, (hl) ;7
.mask=$+1
and 0 ;7
sub 1 ;7
sbc a, a ;4
and $18 ;7
out ($fe), a ;11
jp nz, .HP1 ;[10]
in a, ($fe) ;[11]
jp .LP1 ;[10]
.HP1: out ($fe), a ;[11]
jp .LP1 ;[10]
.LP1:
ld a, (.mask) ;13
rlc a ;8
ld (.mask), a ;13
jr nc, $+3 ;7/12
inc hl ;6
jr $+2 ;12
jr $+2 ;12
jr $+2 ;12
jr $+2 ;12
nop ;4
nop ;4
ld a, 0 ;7
dec c ;4
jr nz, .loop0 ;7/12=[181] 168t
djnz .loop0
pop hl
.noDrum:
songSpeed=$+1
ld a, 0
ld b, a
songSpeedComp=$+1
sub 0
jr nc, $+3
xor a
ld c, a
ld a, (songSpeedComp)
sub b
jr nc, $+3
xor a
ld (songSpeedComp), a
ld a, c
or a
jp z, readRow
ld c, a
ld b, 64
soundLoop:
ld a, 3 ;7
dec a ;4
jr nz, $-1 ;7/12=50t
jr $+2 ;12
dec d ;4
jp nz, .ch2 ;10
.ch1freq=$+1
ld d, 0 ;7
.ch1delay1=$+1
ld a, 0 ;7
dec a ;4
jr nz, $-1 ;7/12
.ch1out=$+1
ld a, 0 ;7
out ($fe), a ;11
and $21 ;[7]
jp nz, .HP2 ;[10]
in a, ($fe) ;[11]
jp .LP2 ;[10]
.HP2: out ($fe), a ;[11]
jp .LP2 ;[10]
.LP2:
.ch1delay2=$+1
ld a, 0 ;7
dec a ;4
jr nz, $-1 ;7/12
out ($fe), a ;11
in a, ($fe) ;[11]
.ch2:
ld a, 3 ;7
dec a ;4
jr nz, $-1 ;7/12=50t
jr $+2 ;12
dec e ;4
jp nz, .loop ;10
.ch2freq=$+1
ld e, 0 ;7
.ch2delay1=$+1
ld a, 0 ;7
dec a ;4
jr nz, $-1 ;7/12
.ch2out=$+1
ld a, 0 ;7
out ($fe), a ;11
and $21 ;[7]
jp nz, .HP3 ;[10]
in a, ($fe) ;[11]
jp .LP3 ;[10]
.HP3: out ($fe), a ;[11]
jp .LP3 ;[10]
.LP3:
.ch2delay2=$+1
ld a, 0 ;7
dec a ;4
jr nz, $-1 ;7/12
out ($fe), a ;11
in a, ($fe) ;[11]
.loop:
dec b ;4
jr nz, soundLoop ;7/12=[222] 168t
ld b, 64
envelopeDown:
exx
dec e
jp nz, .noEnv1
ld e, d
ld hl, soundLoop.ch1delay2
dec (hl)
jr z, $+5
ld hl, soundLoop.ch1delay1
inc (hl)
.noEnv1:
dec c
jp nz, .noEnv2
ld c, b
ld hl, soundLoop.ch2delay2
dec (hl)
jr z, $+5
ld hl, soundLoop.ch2delay1
inc (hl)
.noEnv2:
exx
dec c
jp nz, soundLoop
; xor a
; in a, ($fe)
; cpl
; and $1f
; jp z, readRow
jp readRow
pop hl
exx
ei
ret
musicData1:
dw .song,0
.drums:
dw 2,.drum0
dw 4,.drum1
dw 1,.drum2
dw 4,.drum3
dw 4,.drum4
dw 4,.drum5
dw 4,.drum6
.drum0:
db $00,$00,$00,$00,$00,$00,$08,$c1,$ef,$e7,$ff,$ff,$ff,$ff,$0e,$00
db $00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$ee,$ff,$ff,$ff
db $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$23,$00,$00,$00,$00,$00
db $00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00
.drum1:
db $00,$00,$fc,$ff,$ff,$03,$00,$00,$00,$00,$00,$00,$fe,$ff,$ff,$ff
db $ff,$09,$00,$00,$00,$00,$f0,$ff,$ff,$ff,$6f,$25,$00,$00,$00,$00
db $00,$00,$00,$dc,$ff,$ff,$ff,$0f,$00,$00,$00,$00,$00,$80,$cf,$ff
db $ff,$ff,$14,$00,$00,$00,$00,$00,$80,$a4,$ee,$ff,$fb,$7b,$13,$00
db $00,$00,$00,$00,$00,$80,$fe,$cf,$7f,$b6,$01,$00,$00,$00,$00,$00
db $00,$80,$b4,$69,$c9,$0b,$00,$00,$40,$00,$00,$00,$00,$00,$f0,$f2
db $30,$29,$14,$00,$00,$00,$00,$00,$00,$40,$80,$24,$1d,$3c,$84,$00
db $00,$00,$00,$00,$00,$00,$00,$24,$40,$00,$54,$00,$00,$00,$00,$00
.drum2:
db $00,$00,$15,$20,$55,$04,$09,$00,$00,$00,$02,$00,$00,$00,$84,$00
db $00,$00,$40,$00,$00,$02,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00
.drum3:
.drum4:
.drum5:
.drum6:
.song:
.loop:
db 249,28,3,99,252,252
db 0
db 40,5,252
db 0
db 19,126
db 0
db 24,0,126
db 0
db 26,106,0
db 0
db 24,0,106
db 0
db 27,126,0
db 0
db 24,0,126
db 0
db 25,252,252
db 0
db 8,252
db 0
db 19,126
db 0
db 24,0,126
db 0
db 26,189,0
db 0
db 24,168,189
db 0
db 27,106,168
db 0
db 24,141,106
db 0
db 25,252,252
db 0
db 8,252
db 0
db 19,126
db 0
db 24,0,126
db 0
db 26,106,0
db 0
db 24,0,106
db 0
db 27,126,0
db 0
db 24,0,126
db 0
db 25,252,252
db 0
db 8,252
db 0
db 19,126
db 0
db 24,0,126
db 0
db 26,189,0
db 0
db 26,168,189
db 0
db 27,106,168
db 0
db 26,141,106
db 0
db 25,252,252
db 0
db 8,252
db 0
db 19,126
db 0
db 24,0,126
db 0
db 26,106,0
db 0
db 24,0,106
db 0
db 27,126,0
db 0
db 24,0,126
db 0
db 25,252,252
db 0
db 8,252
db 0
db 19,126
db 0
db 24,0,126
db 0
db 26,189,0
db 0
db 24,168,189
db 0
db 27,106,168
db 0
db 24,141,106
db 0
db 25,252,252
db 0
db 8,252
db 0
db 19,126
db 0
db 24,0,126
db 0
db 26,106,0
db 0
db 24,0,106
db 0
db 27,126,0
db 0
db 24,0,126
db 0
db 25,252,252
db 0
db 8,252
db 0
db 19,126
db 0
db 26,0,126
db 2
db 26,189,0
db 0
db 26,168,189
db 0
db 27,106,168
db 0
db 26,141,106
db 0
db 57,99,212,53
db 0
db 0
db 0
db 27,106,59
db 0
db 16,0
db 0
db 26,89,53
db 0
db 16,0
db 0
db 19,106
db 0
db 16,0
db 0
db 25,212,212
db 0
db 0
db 0
db 27,106,44
db 0
db 16,0
db 0
db 18,159
db 0
db 16,141
db 0
db 27,89,53
db 0
db 24,119,59
db 0
db 25,212,141
db 0
db 0
db 0
db 27,106,212
db 0
db 16,0
db 0
db 26,89,44
db 0
db 16,0
db 0
db 27,106,106
db 8,0
db 24,0,106
db 8,0
db 25,212,106
db 8,0
db 8,106
db 0
db 27,106,119
db 0
db 24,0,106
db 0
db 26,159,100
db 0
db 26,141,141
db 0
db 19,89
db 0
db 18,119
db 0
db 25,252,63
db 0
db 0
db 0
db 27,126,70
db 0
db 16,0
db 0
db 26,106,63
db 0
db 16,0
db 0
db 19,126
db 0
db 16,0
db 0
db 25,252,252
db 0
db 0
db 0
db 27,126,53
db 0
db 16,0
db 0
db 18,189
db 0
db 16,168
db 0
db 27,106,63
db 0
db 24,141,70
db 0
db 25,252,168
db 0
db 0
db 0
db 27,126,252
db 0
db 16,0
db 0
db 26,106,53
db 0
db 16,0
db 0
db 27,126,64
db 8,65
db 24,0,66
db 8,67
db 25,252,68
db 8,69
db 8,70
db 8,71
db 27,126,150
db 0
db 26,0,126
db 0
db 26,189,119
db 2
db 26,168,168
db 8,0
db 26,106,212
db 8,0
db 26,141,141
db 8,0
db 25,212,53
db 0
db 0
db 0
db 27,106,59
db 0
db 16,0
db 0
db 26,89,53
db 0
db 16,0
db 0
db 19,106
db 0
db 16,0
db 0
db 25,212,212
db 0
db 0
db 0
db 27,106,44
db 0
db 16,0
db 0
db 18,159
db 0
db 16,141
db 0
db 27,89,53
db 0
db 24,119,59
db 0
db 25,212,141
db 0
db 0
db 0
db 27,106,212
db 0
db 16,0
db 0
db 26,89,44
db 0
db 16,0
db 0
db 27,106,106
db 8,0
db 24,0,106
db 8,0
db 25,212,106
db 8,0
db 8,106
db 0
db 27,106,119
db 0
db 24,0,106
db 0
db 26,159,100
db 0
db 26,141,141
db 0
db 19,89
db 0
db 18,119
db 0
db 25,252,63
db 0
db 0
db 0
db 27,126,70
db 0
db 16,0
db 0
db 26,106,63
db 0
db 16,0
db 0
db 19,126
db 0
db 16,0
db 0
db 25,252,252
db 0
db 0
db 0
db 27,126,53
db 0
db 16,0
db 0
db 18,189
db 0
db 16,168
db 0
db 27,106,63
db 0
db 24,141,70
db 0
db 25,252,168
db 0
db 0
db 0
db 27,126,252
db 0
db 16,0
db 0
db 26,106,53
db 0
db 16,0
db 0
db 27,126,126
db 8,0
db 24,0,126
db 8,0
db 25,252,126
db 8,0
db 9,126
db 0
db 25,126,141
db 0
db 8,126
db 0
db 120,24,24,252,94
db 0
db 0
db 0
db 24,127,83
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