Skip to content

Instantly share code, notes, and snippets.

@svofski

svofski/gigachad.asm

Last active July 31, 2022 16:19
Show Gist options
  • Save svofski/f41ec5939d75b69bd7a2933f81489df1 to your computer and use it in GitHub Desktop.
Save svofski/f41ec5939d75b69bd7a2933f81489df1 to your computer and use it in GitHub Desktop.
Download ZIP
unpacking 14 parallel ay register streams
Raw
gigachad.asm
; Song title: EA at feb 2018 (YM+ABC)
;
; compressed into 14 parallel streams from YM6 file saved by register
;
; This example is decompressing and playing 14 parallel streams.
; Compressed data size 2310 bytes (uncompressed 61586)
;
; code by svofski 2022
;
;
; DZX0:
; -----------------------------------------------------------------------------
; ZX0 8080 decoder by Ivan Gorodetsky - OLD FILE FORMAT v1
; Based on ZX0 z80 decoder by Einar Saukas
; v1 (2021-02-15) - 103 bytes forward / 100 bytes backward
; v2 (2021-02-17) - 101 bytes forward / 100 bytes backward
; v3 (2021-02-22) - 99 bytes forward / 98 bytes backward
; v4 (2021-02-23) - 98 bytes forward / 97 bytes backward
; v5 (2021-08-16) - 94 bytes forward and backward (slightly faster)
; v6 (2021-08-17) - 92 bytes forward / 94 bytes backward (forward version slightly faster)
; v7 (2022-04-30) - 92 bytes forward / 94 bytes backward (source address now in DE, slightly faster)
; -----------------------------------------------------------------------------
; Parameters (forward):
; DE: source address (compressed data)
; BC: destination address (decompressing)
;
; Parameters (backward):
; DE: last source address (compressed data)
; BC: last destination address (decompressing)
; -----------------------------------------------------------------------------
; compress forward with <-c> option (<-classic> for salvador)
;
; compress backward with <-b -c> options (<-b -classic> for salvador)
;
; -----------------------------------------------------------------------------
.project gigachad.rom
.org $100
; total number of scheduler tasks
n_tasks equ 14
; task stack size
task_stack_size equ 22
xra a
out $10
mvi a, $c9
sta $38
brutal_restart:
lxi sp, $100
create_tasks:
lxi d, song_00
lxi b, buffer00
lxi h, stack_00 + task_stack_size
mvi a, 0
call dzx0_create
lxi d, song_01
lxi b, buffer01
lxi h, stack_01 + task_stack_size
mvi a, 1
call dzx0_create
lxi d, song_02
lxi b, buffer02
lxi h, stack_02 + task_stack_size
mvi a, 2
call dzx0_create
lxi d, song_03
lxi b, buffer03
lxi h, stack_03 + task_stack_size
mvi a, 3
call dzx0_create
lxi d, song_04
lxi b, buffer04
lxi h, stack_04 + task_stack_size
mvi a, 4
call dzx0_create
lxi d, song_05
lxi b, buffer05
lxi h, stack_05 + task_stack_size
mvi a, 5
call dzx0_create
lxi d, song_06
lxi b, buffer06
lxi h, stack_06 + task_stack_size
mvi a, 6
call dzx0_create
lxi d, song_07
lxi b, buffer07
lxi h, stack_07 + task_stack_size
mvi a, 7
call dzx0_create
lxi d, song_08
lxi b, buffer08
lxi h, stack_08 + task_stack_size
mvi a, 8
call dzx0_create
lxi d, song_09
lxi b, buffer09
lxi h, stack_09 + task_stack_size
mvi a, 9
call dzx0_create
lxi d, song_10
lxi b, buffer10
lxi h, stack_10 + task_stack_size
mvi a, 10
call dzx0_create
lxi d, song_11
lxi b, buffer11
lxi h, stack_11 + task_stack_size
mvi a, 11
call dzx0_create
lxi d, song_12
lxi b, buffer12
lxi h, stack_12 + task_stack_size
mvi a, 12
call dzx0_create
lxi d, song_13
lxi b, buffer13
lxi h, stack_13 + task_stack_size
mvi a, 13
call dzx0_create
frame:
ei
hlt
call scheduler_tick
call ay_send
jmp frame
;
; AY-3-8910 register buffer
;
ay_line db 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
ayctrl equ $15
aydata equ $14
; send ay_line to AY regs
; reg13 (envelope shape) is special: $ff means no change / don't write
ay_send
mvi e, 13
lxi b, ay_line+13
ldax b
cpi $ff
jz ay_send_L2 ; no touchy fishy
ay_send_L1
mov a, e
out ayctrl
ldax b
out aydata
ay_send_L2
dcr c
dcr e
jp ay_send_L1
ret
;
; call all tasks in order
;
scheduler_tick:
lxi h, 0
dad sp
shld sched_sp
; data harvest pointer
lxi h, ay_line
shld ay_line_ptr
lxi h, context
sched_next_task:
shld context_ptr
mov e, m \ inx h \ mov d, m ; de = &context[n]
xchg
sphl
; restore task context and return into it
pop h
pop d
pop b
pop psw
ret
sched_yield: ; a = decoded byte in-order
ay_line_ptr equ $+1
lxi h, 0
mov m, a
inx h
shld ay_line_ptr
lxi h, 0
dad sp
xchg ; de = task context
lhld context_ptr ; hl = context[n]
mov m, e \ inx h \ mov m, d \ inx h
mvi a, context_end >> 8
cmp h
jnz sched_next_task
mvi a, context_end & 255
cmp l
jnz sched_next_task
sched_sp equ $+1
lxi sp, 0
ret
; dzx0 task calls this to yield after producing each octet
dzx0_yield: push psw
push b
push d
push h
jmp sched_yield
;
; create a dzx0 task
;
; a = task number (0..n_tasks-1)
; hl = task stack end
; bc = dst buffer
; de = stream source
dzx0_create:
shld crea_loadsp
lxi h, crea_b+1
mov m, c \ inx h \ mov m, b \ inx h \ inx h
mov m, e \ inx h \ mov m, d
lxi h, 0
dad sp
shld dzx0_create_sp
lxi d, context ; context[0]
mov l, a
mvi h, 0
dad h
dad d ; hl = &context[a]
shld crea_ctx+1 ; will save task sp here
crea_loadsp equ $+1
lxi sp, 0
crea_b: lxi b, 0
crea_d: lxi d, 0
; create task entry point within its context
lxi h, dzx0
push h
push psw
push b
push d
push h
lxi h, 0
dad sp
crea_ctx: shld 0 ; save sp in task context
dzx0_create_sp equ $+1
lxi sp, 0
ret ; this is a normal return
dzx0:
lxi h,0FFFFh ; tos=-1 offset?
push h
inx h
mvi a,080h
dzx0_literals: ; Literal (copy next N bytes from compressed file)
call dzx0_elias ; hl = read_interlaced_elias_gamma(FALSE)
; call dzx0_ldir ; for (i = 0; i < length; i++) write_byte(read_byte()
push psw
dzx0_ldir1:
ldax d
stax b
inx d
call dzx0_yield
inr c ; stay within circular buffer
dcx h
mov a,h
ora l
jnz dzx0_ldir1
pop psw
add a
jc dzx0_new_offset ; if (read_bit()) goto COPY_FROM_NEW_OFFSET
; COPY_FROM_LAST_OFFSET
call dzx0_elias ; hl = read_interlaced_elias_gamma(FALSE)
dzx0_copy:
xchg ; hl = src, de = length
xthl ; ex (sp), hl:
; tos = src
; hl = -1
push h ; push -1
dad b ; h = -1 + dst
mov h, b ; stay in the buffer!
xchg ; de = dst + offset, hl = length
; call dzx0_ldir ; for (i = 0; i < length; i++) write_byte(dst[-offset+i])
push psw
dzx0_ldir_from_buf:
ldax d
stax b
inr e
call dzx0_yield
inr c ; stay within circular buffer
dcx h
mov a,h
ora l
jnz dzx0_ldir_from_buf
mvi h,0
pop psw
add a
; de = de + length
; hl = 0
; a, carry = a + a
xchg ; de = 0, hl = de + length .. discard dst
pop h ; hl = old offset
xthl ; offset = hl, hl = src
xchg ; de = src, hl = 0?
jnc dzx0_literals ; if (!read_bit()) goto COPY_LITERALS
; COPY_FROM_NEW_OFFSET
; Copy from new offset (repeat N bytes from new offset)
dzx0_new_offset:
call dzx0_elias ; hl = read_interlaced_elias_gamma()
mov h,a ; h = a
pop psw ; drop offset from stack
xra a ; a = 0
sub l ; l == 0?
;rz ; return
jz dzx0_ded
push h ; offset = new offset
; last_offset = last_offset*128-(read_byte()>>1);
rar\ mov h,a ; h = hi(last_offset*128)
ldax d ; read_byte()
rar\ mov l,a ; l = read_byte()>>1
inx d ; src++
xthl ; offset = hl, hl = old offset
mov a,h ;
lxi h,1 ;
cnc dzx0_elias_backtrack;
inx h
jmp dzx0_copy
dzx0_elias:
inr l
dzx0_elias_loop:
add a
jnz dzx0_elias_skip
ldax d
inx d
ral
dzx0_elias_skip:
rc
dzx0_elias_backtrack:
dad h
add a
jnc dzx0_elias_loop
jmp dzx0_elias
dzx0_ldir:
push psw
mov a, b
cmp d
jz dzx0_ldir_from_buf
; reached the end, just restart the scheduler
dzx0_ded jmp brutal_restart
;call dzx0_yield
;jmp dzx0_ded
;
;
; SONG DATA
;
; see ym6break.py
;
; recipe:
; 1. extract each register as separate stream
; 2. salvador -classic -w 256 register_stream
; 3. make db strings etc
; Special for Vortex Tracker 2.5
; EA at feb 2018 (YM+ABC)
; Created by Sergey Bulba's AY-3-8910/12 Emulator v2.9
song_00: db $79,$8e,$1c,$ef,$fa,$54,$26,$b2,$65,$1c,$15,$19,$85,$9f,$3e,$fc,$47,$2e,$02,$fa,$55,$09,$85,$b2,$65,$1c,$46,$61,$9f,$3e,$fc,$51,$9b,$0e,$9c,$6f,$21,$50,$79,$d0,$04,$79,$fb,$a6,$32,$e5,$9c,$65,$1c,$b2,$01,$e0,$d0,$47,$9a,$fb,$1f,$be,$7c,$60,$3e,$fc,$9f,$1e,$d0,$05,$73,$20,$02,$a8,$1c,$8e,$43,$81,$a0,$47,$9a,$fb,$32,$e5,$9c,$60,$65,$1c,$b2,$1e,$d7,$b8,$9c,$d0,$5e,$a0,$51,$e6,$fb,$1f,$be,$7c,$98,$3e,$fc,$9f,$07,$ae,$d7,$7c,$d0,$17,$95,$a0,$72,$20,$68,$0e,$5a,$0e,$07,$85,$d0,$e0,$a0,$51,$e6,$fb,$32,$e5,$9c,$89,$65,$1c,$a5,$b2,$fc,$e9,$f4,$ae,$9c,$d0,$17,$94,$a0,$79,$fb,$a2,$1f,$be,$7c,$3e,$fc,$69,$9f,$7f,$e9,$f4,$2b,$7c,$85,$d0,$e5,$a0,$5c,$95,$20,$78,$a0,$14,$79,$fb,$a2,$32,$e5,$9c,$65,$1c,$69,$b2,$7f,$e9,$f4,$2b,$9c,$85,$d0,$e5,$a0,$1e,$fb,$68,$1f,$be,$7c,$9a,$3e,$fc,$9f,$5f,$e9,$ca,$f4,$7c,$e1,$d0,$79,$a0,$57,$25,$20,$5e,$a0,$05,$1e,$fb,$68,$32,$e5,$9c,$9a,$65,$1c,$b2,$5f,$e9,$ca,$f4,$9c,$e1,$d0,$79,$a0,$47,$9a,$fb,$1f,$be,$7c,$26,$3e,$fc,$97,$9f,$f2,$e9,$f4,$b8,$7c,$d0,$5e,$a0,$55,$c9,$20,$57,$81,$a0,$47,$9a,$fb,$32,$e5,$9c,$26,$65,$1c,$97,$b2,$f2,$e9,$f4,$b8,$9c,$d0,$5e,$a0,$51,$e6,$fb,$1f,$be,$7c,$89,$3e,$fc,$a5,$9f,$fc,$e9,$f4,$ae,$7c,$d0,$17,$95,$a0,$72,$20,$55,$e0,$a0,$51,$e6,$fb,$32,$e5,$9c,$89,$65,$1c,$a5,$b2,$fc,$e9,$f4,$ae,$9c,$d0,$17,$94,$a0,$79,$fb,$a2,$1f,$be,$7c,$3e,$fc,$69,$9f,$7f,$e9,$f4,$2b,$7c,$85,$d0,$e5,$a0,$5c,$95,$20,$78,$a0,$14,$79,$fb,$a2,$32,$e5,$9c,$65,$1c,$69,$b2,$7f,$e9,$f4,$2b,$9c,$85,$d0,$e5,$a0,$1e,$fb,$68,$1f,$be,$7c,$9a,$3e,$fc,$9f,$5f,$e9,$ca,$f4,$7c,$e1,$d0,$79,$a0,$57,$00,$00,$80
song_01: db $79,$00,$01,$00,$fa,$55,$28,$01,$55,$68,$00,$05,$56,$85,$01,$47,$25,$80,$56,$0f,$02,$03,$04,$05,$d0,$00,$0f,$ed,$80,$fa,$e0,$d0,$57,$34,$50,$57,$f9,$0f,$ff,$a0,$10,$3e,$03,$fa,$03,$f8,$a0,$d0,$5e,$a0,$55,$c9,$20,$57,$d4,$a0,$43,$e0,$c3,$fa,$3f,$a0,$85,$d0,$e5,$a0,$5c,$95,$20,$7d,$a0,$44,$3e,$c3,$fa,$03,$f8,$a0,$d0,$5e,$a0,$55,$c9,$20,$57,$d4,$a0,$43,$e0,$c3,$fa,$3f,$a0,$85,$d0,$e5,$a0,$5c,$95,$20,$7d,$a0,$44,$3e,$c3,$fa,$03,$f8,$a0,$d0,$5e,$a0,$55,$c9,$20,$57,$d4,$a0,$43,$e0,$c3,$fa,$3f,$a0,$85,$d0,$e5,$a0,$5c,$95,$20,$7d,$a0,$44,$3e,$c3,$fa,$03,$f8,$a0,$d0,$5e,$a0,$55,$c9,$80,$55,$c0,$00,$20
song_02: db $85,$00,$55,$6b,$ef,$a2,$fc,$ec,$e9,$9b,$ef,$f2,$f5,$9b,$f0,$1c,$e2,$ff,$fd,$19,$16,$9b,$1c,$1f,$22,$9e,$f0,$b8,$54,$f0,$7c,$e5,$40,$57,$81,$64,$be,$65,$ff,$fd,$29,$62,$5f,$b9,$65,$68,$6b,$f0,$e5,$b8,$4f,$7c,$0b,$fc,$e2,$ff,$fd,$f9,$f6,$9b,$fc,$ff,$02,$9b,$f0,$3e,$e2,$ff,$fd,$3b,$38,$9b,$3e,$41,$44,$9e,$f0,$b8,$54,$f0,$7c,$c8,$08,$17,$95,$b8,$3c,$7c,$39,$40,$55,$e0,$64,$6f,$65,$ff,$8a,$fd,$62,$5f,$6e,$65,$68,$6b,$f0,$79,$b8,$53,$c2,$7c,$f8,$fc,$ff,$fd,$a6,$f9,$f6,$fc,$ff,$02,$e6,$f0,$f8,$3e,$ff,$fd,$a6,$3b,$38,$3e,$41,$44,$e7,$f0,$95,$b8,$3c,$7c,$32,$08,$05,$e5,$b8,$4f,$7c,$0e,$40,$55,$78,$64,$1b,$65,$e2,$ff,$fd,$62,$5f,$9b,$65,$68,$6b,$9e,$f0,$b8,$54,$f0,$7c,$be,$fc,$ff,$fd,$29,$f9,$f6,$b9,$fc,$ff,$02,$f0,$be,$3e,$ff,$fd,$29,$3b,$38,$b9,$3e,$41,$44,$f0,$e5,$b8,$4f,$7c,$0c,$96,$50,$fb,$bd,$fe,$ba,$25,$ec,$e7,$dc,$95,$b8,$79,$7c,$79,$40,$55,$e0,$28,$6f,$65,$ff,$8a,$fd,$62,$5f,$6e,$65,$68,$6b,$dc,$79,$b8,$57,$96,$7c,$f8,$fc,$fe,$08,$f9,$f6,$f9,$fc,$ff,$02,$ff,$d6,$22,$d3,$3e,$e8,$fc,$a6,$3b,$38,$3e,$41,$44,$e7,$dc,$95,$b8,$79,$7c,$79,$f0,$6e,$1c,$fe,$25,$86,$1a,$18,$1a,$1c,$1e,$20,$bd,$86,$d6,$86,$ef,$15,$f2,$ed,$eb,$ed,$ef,$f1,$f3,$ef,$eb,$e7,$e3,$df,$db,$d5,$cf,$cd,$cb,$c9,$c7,$c1,$bd,$bb,$b9,$bb,$b8,$5f,$d4,$d2,$d4,$d6,$d8,$da,$d8,$f0,$f0,$a0,$e7,$70,$e7,$b0,$bf,$c1,$bf,$93,$f0,$97,$94,$9f,$40,$4c,$0f,$9c,$79,$f0,$43,$21,$80,$08,$07,$ea,$e5,$e0,$db,$d6,$cf,$c8,$c5,$c2,$bf,$bc,$b5,$b2,$b0,$ae,$b0,$b2,$20,$bc,$79,$a0,$73,$44,$5f,$f0,$72,$38,$07,$d3,$ac,$d6,$9c,$55,$fc,$da,$e4,$ee,$f8,$02,$08,$0e,$14,$1a,$24,$2e,$38,$42,$48,$4e,$54,$5a,$64,$6e,$78,$82,$88,$8e,$94,$9a,$a4,$ae,$b8,$c2,$c8,$ce,$c0,$84,$80,$24,$33,$eb,$e7,$e3,$df,$db,$d5,$cf,$cd,$cb,$c9,$c7,$c1,$94,$e0,$10,$7c,$a0,$33,$44,$5f,$f0,$79,$94,$79,$a0,$f0,$4c,$f7,$9c,$94,$f0,$32,$80,$10,$80,$72,$ea,$e5,$e0,$db,$d6,$cf,$c8,$c5,$c2,$bf,$bc,$b5,$b2,$b0,$ae,$b0,$b2,$bc,$07,$97,$a0,$35,$44,$f7,$f0,$20,$38,$7d,$ac,$3d,$9c,$64,$4c,$da,$e4,$ee,$f8,$02,$08,$0e,$14,$1a,$24,$2e,$38,$42,$48,$4e,$54,$5a,$64,$6e,$78,$82,$88,$8e,$1c,$8e,$5e,$e1,$9b,$f4,$27,$bd,$5e,$3f,$2a,$83,$5e,$22,$6b,$47,$a2,$6b,$77,$4f,$f9,$f9,$ac,$92,$fc,$7e,$54,$fc,$fc,$7e,$43,$81,$d0,$e4,$a0,$f0,$40,$02,$0f,$65,$b2,$77,$65,$f8,$18,$25,$df,$ef,$9f,$df,$39,$b8,$e7,$ac,$f9,$58,$f8,$17,$fc,$10,$f8,$78,$7c,$1c,$98,$74,$ff,$3e,$9f,$fb,$f9,$a0,$e4,$f8,$5e,$74,$78,$f4,$18,$3e,$bd,$5e,$3f,$bd,$f9,$4c,$72,$20,$5e,$40,$7c,$94,$7d,$d0,$79,$a0,$79,$40,$55,$83,$65,$b2,$77,$65,$c6,$f8,$09,$df,$ef,$9f,$df,$4e,$b8,$79,$ac,$fe,$58,$f8,$45,$ff,$10,$f8,$1e,$7c,$07,$26,$74,$3f,$3e,$9f,$fb,$f9,$f9,$a0,$f8,$17,$3a,$6f,$fc,$29,$ec,$e9,$af,$ef,$f2,$f5,$bd,$fe,$be,$ba,$5f,$fc,$8a,$19,$16,$6e,$1c,$1f,$22,$dc,$79,$b8,$57,$97,$7c,$95,$40,$5e,$28,$06,$f8,$65,$ff,$fd,$a6,$62,$5f,$65,$68,$6b,$e7,$04,$95,$b8,$79,$7c,$6f,$fc,$fe,$80,$82,$f9,$f6,$f9,$fc,$ff,$02,$ff,$d6,$2e,$d3,$3e,$fc,$8a,$3b,$38,$6e,$3e,$41,$44,$dc,$79,$b8,$57,$97,$c4,$00,$00,$80
song_03: db $90,$00,$40,$68,$01,$07,$91,$b8,$7d,$7c,$79,$40,$10,$f0,$fe,$43,$d7,$10,$de,$ea,$b8,$00,$72,$08,$05,$f4,$b8,$4f,$40,$00,$7c,$fe,$10,$f5,$10,$f7,$ea,$80,$b8,$1c,$81,$08,$7d,$b8,$13,$c0,$40,$1f,$fe,$04,$3d,$10,$7d,$ea,$e0,$b8,$07,$35,$08,$7d,$c4,$79,$b8,$53,$c5,$40,$0e,$ac,$07,$80,$dc,$1c,$91,$80,$a4,$01,$1e,$b8,$55,$b8,$01,$fe,$12,$85,$00,$05,$c9,$80,$00,$2e,$01,$fe,$41,$a1,$00,$41,$72,$80,$40,$0c,$dc,$be,$c7,$ae,$bd,$f8,$f4,$32,$82,$17,$97,$d0,$81,$a0,$f0,$b8,$3c,$40,$11,$f7,$f8,$d7,$dc,$91,$04,$e4,$f8,$5c,$95,$b0,$f7,$14,$35,$08,$e5,$fe,$5c,$94,$bc,$e5,$ac,$79,$94,$5e,$b8,$57,$c1,$40,$4f,$f8,$7d,$dc,$79,$04,$1e,$f8,$45,$c9,$b0,$5f,$14,$73,$08,$5e,$fe,$00,$68,$01,$5f,$b8,$01,$f5,$c4,$e5,$40,$57,$81,$ac,$e0,$dc,$07,$24,$80,$69,$01,$07,$95,$b8,$3c,$c4,$30,$00,$08
song_04: db $79,$1c,$ef,$bd,$fa,$54,$26,$65,$1c,$ef,$15,$19,$85,$3e,$fc,$d6,$47,$2e,$02,$fa,$55,$09,$85,$65,$1c,$ef,$46,$61,$3e,$fc,$d6,$51,$cb,$02,$95,$fa,$42,$61,$65,$1c,$ef,$51,$98,$3e,$fc,$d6,$54,$72,$02,$e5,$fa,$50,$98,$65,$1c,$ef,$54,$66,$3e,$fc,$d6,$15,$1c,$96,$68,$e4,$70,$fe,$e4,$d0,$15,$be,$65,$e1,$fa,$0b,$94,$93,$fe,$81,$d0,$59,$e0,$3e,$fc,$d6,$fa,$b9,$f8,$fe,$38,$d0,$15,$c9,$20,$5e,$d0,$41,$5b,$65,$e0,$e1,$fa,$b9,$94,$fe,$38,$d0,$15,$9e,$3e,$fc,$d6,$fa,$0b,$f8,$93,$fe,$81,$d0,$5c,$95,$20,$e4,$d0,$15,$be,$65,$e1,$fa,$0b,$94,$93,$fe,$81,$d0,$59,$e0,$3e,$fc,$d6,$fa,$b9,$f8,$fe,$38,$d0,$15,$c9,$20,$5e,$d0,$41,$5b,$65,$e0,$e1,$fa,$b9,$94,$fe,$38,$d0,$15,$9e,$3e,$fc,$d6,$fa,$0b,$f8,$93,$fe,$81,$d0,$5c,$95,$20,$e4,$d0,$15,$be,$65,$e1,$fa,$0b,$94,$93,$fe,$81,$d0,$59,$e0,$3e,$fc,$d6,$fa,$b9,$f8,$fe,$38,$d0,$15,$c9,$20,$5e,$d0,$41,$5b,$65,$e0,$e1,$fa,$b9,$94,$fe,$38,$d0,$15,$9e,$3e,$fc,$d6,$fa,$0b,$f8,$93,$fe,$81,$d0,$5c,$00,$02
song_05: db $2e,$01,$00,$fa,$55,$1a,$01,$15,$5a,$00,$01,$55,$a1,$01,$51,$cc,$80,$00,$83,$02,$02,$03,$05,$95,$d0,$42,$8a,$03,$01,$3d,$fa,$78,$d0,$15,$e5,$10,$78,$d0,$04,$1a,$03,$28,$01,$f5,$fa,$e0,$d0,$57,$31,$50,$42,$e4,$04,$fe,$e4,$d0,$40,$a2,$03,$8e,$01,$fa,$2e,$05,$fe,$4e,$d0,$05,$79,$10,$5e,$d0,$01,$02,$8a,$03,$01,$38,$fa,$b9,$05,$fe,$38,$d0,$15,$e5,$10,$78,$d0,$04,$0a,$03,$28,$01,$e2,$fa,$e4,$05,$fe,$e0,$d0,$57,$95,$10,$e0,$d0,$10,$28,$03,$a3,$01,$8b,$fa,$05,$93,$fe,$81,$d0,$5e,$10,$57,$80,$d0,$40,$a2,$03,$8e,$01,$fa,$2e,$05,$fe,$4e,$d0,$05,$79,$10,$5e,$d0,$01,$02,$8a,$03,$01,$38,$fa,$b9,$05,$fe,$38,$d0,$15,$c9,$80,$55,$c0,$00,$20
song_06: db $81,$00,$04,$56,$08,$10,$08,$06,$04,$0e,$a0,$50,$56,$f8,$01,$ff,$f4,$27,$12,$0a,$08,$ae,$aa,$02,$ff,$8a,$00,$03,$38,$f4,$3b,$82,$9e,$f4,$d0,$5e,$a0,$5e,$70,$5e,$40,$04,$40,$4c,$00,$02
song_07: db $85,$28,$55,$68,$38,$55,$56,$f0,$30,$d0,$11,$22,$30,$30,$17,$b8,$fe,$d0,$79,$a0,$15,$5f,$df,$ea,$fe,$34,$9f,$3c,$f7,$ff,$f4,$a0,$85,$d0,$e0,$a0,$50,$55,$c0,$00,$20
song_08: db $49,$0e,$0d,$0c,$0b,$0a,$09,$38,$e8,$1f,$c4,$41,$f7,$d0,$90,$40,$55,$6e,$0f,$e6,$bc,$0a,$fe,$fa,$e8,$0b,$17,$81,$dc,$b9,$0b,$d0,$7c,$a0,$39,$70,$5e,$40,$11,$16,$3b,$0d,$0d,$ec,$84,$40,$f9,$d1,$40,$3d,$d0,$79,$70,$5e,$40,$11,$42,$85,$0d,$b8,$0d,$d0,$15,$14,$30,$00,$08
song_09: db $85,$00,$55,$61,$91,$0f,$0e,$0d,$0c,$0b,$f5,$dc,$1f,$e8,$5e,$40,$01,$14,$21,$f1,$0a,$0a,$09,$08,$08,$dc,$1e,$40,$14,$17,$d6,$f8,$fb,$0f,$cf,$cc,$97,$e8,$df,$f4,$d0,$5e,$94,$07,$d1,$70,$e4,$28,$1b,$0b,$85,$fe,$32,$80,$45,$5b,$0a,$81,$fe,$32,$80,$01,$0f,$fe,$44,$c8,$80,$51,$6e,$0a,$fe,$52,$fa,$0f,$98,$0a,$e6,$e9,$09,$08,$07,$01,$e7,$c4,$c3,$b8,$95,$e8,$7c,$40,$10,$f9,$46,$7e,$06,$05,$04,$03,$02,$01,$00,$ff,$dc,$07,$d1,$a0,$f5,$e0,$f9,$ff,$60,$79,$40,$55,$cd,$08,$1e,$f4,$7d,$b8,$7d,$e8,$57,$d5,$40,$73,$20,$47,$81,$dc,$f4,$a0,$7d,$e0,$7e,$7b,$60,$5f,$40,$04,$3d,$fe,$fb,$7c,$08,$80,$dc,$1e,$e8,$5e,$40,$05,$57,$00,$00,$80
song_10: db $49,$0e,$0d,$0c,$0b,$0a,$09,$38,$e8,$1f,$c4,$41,$f7,$d0,$90,$40,$55,$6e,$0f,$e6,$bc,$0a,$fe,$fa,$e8,$0b,$17,$81,$dc,$b9,$0b,$d0,$7c,$a0,$39,$70,$5e,$40,$44,$45,$b9,$1f,$fe,$39,$70,$38,$d0,$43,$95,$70,$e0,$40,$41,$55,$c0,$00,$20
song_11: db $90,$00,$01,$16,$85,$47,$55,$a1,$59,$55,$a1,$50,$55,$a1,$47,$05,$a1,$00,$68,$47,$55,$68,$59,$41,$68,$00,$5a,$50,$15,$5a,$47,$10,$5a,$00,$16,$85,$47,$56,$84,$59,$16,$85,$00,$a1,$50,$55,$a1,$47,$55,$68,$59,$55,$68,$50,$55,$68,$47,$55,$5a,$59,$15,$5a,$50,$15,$5a,$47,$15,$56,$85,$59,$56,$84,$50,$17,$00,$00,$80
song_12: db $94,$00,$55,$55,$c0,$00,$20
song_13: db $90,$ff,$01,$16,$f4,$08,$d0,$41,$2c,$01,$95,$80,$55,$38,$d0,$01,$55,$c0,$00,$20
;
; runtime data (careful with relative equ directives)
;
; task stacks
stacks
stack_00 equ stacks
stack_01 equ stack_00 + task_stack_size
stack_02 equ stack_01 + task_stack_size
stack_03 equ stack_02 + task_stack_size
stack_04 equ stack_03 + task_stack_size
stack_05 equ stack_04 + task_stack_size
stack_06 equ stack_05 + task_stack_size
stack_07 equ stack_06 + task_stack_size
stack_08 equ stack_07 + task_stack_size
stack_09 equ stack_08 + task_stack_size
stack_10 equ stack_09 + task_stack_size
stack_11 equ stack_10 + task_stack_size
stack_12 equ stack_11 + task_stack_size
stack_13 equ stack_12 + task_stack_size
stack_14 equ stack_13 + task_stack_size
stack_15 equ stack_14 + task_stack_size
stacks_end equ stack_15 + task_stack_size
; array of task sp: context[i] = task's stack pointer
context equ stacks_end
context_end equ context + 2 * n_tasks
context_ptr: equ context_end
bss_end equ context_ptr + 2
; buffers for unpacking the streams, must be aligned to 256 byte boundary
buffer00 equ 0xff00 & bss_end + 256
buffer01 equ 0xff00 & bss_end + 256 * 2
buffer02 equ 0xff00 & bss_end + 256 * 3
buffer03 equ 0xff00 & bss_end + 256 * 4
buffer04 equ 0xff00 & bss_end + 256 * 5
buffer05 equ 0xff00 & bss_end + 256 * 6
buffer06 equ 0xff00 & bss_end + 256 * 7
buffer07 equ 0xff00 & bss_end + 256 * 8
buffer08 equ 0xff00 & bss_end + 256 * 9
buffer09 equ 0xff00 & bss_end + 256 * 10
buffer10 equ 0xff00 & bss_end + 256 * 11
buffer11 equ 0xff00 & bss_end + 256 * 12
buffer12 equ 0xff00 & bss_end + 256 * 13
buffer13 equ 0xff00 & bss_end + 256 * 14
.end
Raw
gigachad16.asm
; Song title: EA at feb 2018 (YM+ABC)
;
; compressed into 14 parallel streams from YM6 file saved by register
;
; This example is decompressing and playing 14 parallel streams.
; Only one task is executed each frame. 16 bytes are decoded at a time.
;
; frame time: 5-20 lines
;
; Compressed data size 2310 bytes (uncompressed 61586)
;
; code by svofski 2022
;
;
; DZX0:
; -----------------------------------------------------------------------------
; ZX0 8080 decoder by Ivan Gorodetsky - OLD FILE FORMAT v1
; Based on ZX0 z80 decoder by Einar Saukas
; v1 (2021-02-15) - 103 bytes forward / 100 bytes backward
; v2 (2021-02-17) - 101 bytes forward / 100 bytes backward
; v3 (2021-02-22) - 99 bytes forward / 98 bytes backward
; v4 (2021-02-23) - 98 bytes forward / 97 bytes backward
; v5 (2021-08-16) - 94 bytes forward and backward (slightly faster)
; v6 (2021-08-17) - 92 bytes forward / 94 bytes backward (forward version slightly faster)
; v7 (2022-04-30) - 92 bytes forward / 94 bytes backward (source address now in DE, slightly faster)
; -----------------------------------------------------------------------------
; Parameters (forward):
; DE: source address (compressed data)
; BC: destination address (decompressing)
;
; Parameters (backward):
; DE: last source address (compressed data)
; BC: last destination address (decompressing)
; -----------------------------------------------------------------------------
; compress forward with <-c> option (<-classic> for salvador)
;
; compress backward with <-b -c> options (<-b -classic> for salvador)
;
; -----------------------------------------------------------------------------
.project gigachad16.rom
.org $100
; total number of scheduler tasks
n_tasks equ 14
; task stack size
task_stack_size equ 22
xra a
out $10
mvi a, $c9
sta $38
brutal_restart:
lxi sp, $100
create_tasks:
lxi d, song_00
lxi b, buffer00
lxi h, stack_00 + task_stack_size
mvi a, 0
call dzx0_create
lxi d, song_01
lxi b, buffer01
lxi h, stack_01 + task_stack_size
mvi a, 1
call dzx0_create
lxi d, song_02
lxi b, buffer02
lxi h, stack_02 + task_stack_size
mvi a, 2
call dzx0_create
lxi d, song_03
lxi b, buffer03
lxi h, stack_03 + task_stack_size
mvi a, 3
call dzx0_create
lxi d, song_04
lxi b, buffer04
lxi h, stack_04 + task_stack_size
mvi a, 4
call dzx0_create
lxi d, song_05
lxi b, buffer05
lxi h, stack_05 + task_stack_size
mvi a, 5
call dzx0_create
lxi d, song_06
lxi b, buffer06
lxi h, stack_06 + task_stack_size
mvi a, 6
call dzx0_create
lxi d, song_07
lxi b, buffer07
lxi h, stack_07 + task_stack_size
mvi a, 7
call dzx0_create
lxi d, song_08
lxi b, buffer08
lxi h, stack_08 + task_stack_size
mvi a, 8
call dzx0_create
lxi d, song_09
lxi b, buffer09
lxi h, stack_09 + task_stack_size
mvi a, 9
call dzx0_create
lxi d, song_10
lxi b, buffer10
lxi h, stack_10 + task_stack_size
mvi a, 10
call dzx0_create
lxi d, song_11
lxi b, buffer11
lxi h, stack_11 + task_stack_size
mvi a, 11
call dzx0_create
lxi d, song_12
lxi b, buffer12
lxi h, stack_12 + task_stack_size
mvi a, 12
call dzx0_create
lxi d, song_13
lxi b, buffer13
lxi h, stack_13 + task_stack_size
mvi a, 13
call dzx0_create
call scheduler_init
mvi a, -16
sta ay_nline
mvi a, -1
sta nfrm
frame:
ei
hlt
lxi h, nfrm
mov a, m
inr a
ani $f
mov m, a
cpi 14
jp sched_skip
call scheduler_tick
sched_skip:
lxi h, ay_nline
inr m
call ay_send
jmp frame
; current line in decode buffer
; regs would be r0 = buffer00[ay_nline], r1 = buffer00[ay_nline + 256], etc
ay_nline db 0
nfrm db 0
;
; AY-3-8910 register buffer
;
ayctrl equ $15
aydata equ $14
; send from buffers to AY regs
; m = line number
; reg13 (envelope shape) is special: $ff means no change / don't write
ay_send
mvi e, 13
;lxi b, ay_line+13
mov c, m
mvi b, (buffer00 >> 8) + 13 ; last column
ldax b
cpi $ff
jz ay_send_L2 ; no touchy fishy
ay_send_L1
mov a, e
out ayctrl
ldax b
out aydata
ay_send_L2
dcr b ; prev column
dcr e
jp ay_send_L1
ret
scheduler_init:
lxi h, context
shld context_ptr
ret
;
; call all tasks in order
;
scheduler_tick:
lxi h, 0
dad sp
shld sched_sp
lhld context_ptr
mov e, m \ inx h \ mov d, m ; de = &context[n]
xchg
sphl
; restore task context and return into it
pop h
pop d
pop b
pop psw
ret
sched_yield:
lxi h, 0
dad sp
xchg ; de = task context
lhld context_ptr ; hl = context[n]
mov m, e \ inx h \ mov m, d \ inx h
mvi a, context_end >> 8
cmp h
jnz sched_ret
mvi a, context_end & 255
cmp l
jnz sched_ret
lxi h, context
sched_ret
shld context_ptr
sched_sp equ $+1
lxi sp, 0
ret
; dzx0 task calls this to yield after producing each octet
dzx0_yield: push psw
push b
push d
push h
jmp sched_yield
;
; create a dzx0 task
;
; a = task number (0..n_tasks-1)
; hl = task stack end
; bc = dst buffer
; de = stream source
dzx0_create:
shld crea_loadsp
lxi h, crea_b+1
mov m, c \ inx h \ mov m, b \ inx h \ inx h
mov m, e \ inx h \ mov m, d
lxi h, 0
dad sp
shld dzx0_create_sp
lxi d, context ; context[0]
mov l, a
mvi h, 0
dad h
dad d ; hl = &context[a]
shld crea_ctx+1 ; will save task sp here
crea_loadsp equ $+1
lxi sp, 0
crea_b: lxi b, 0
crea_d: lxi d, 0
; create task entry point within its context
lxi h, dzx0
push h
push psw
push b
push d
push h
lxi h, 0
dad sp
crea_ctx: shld 0 ; save sp in task context
dzx0_create_sp equ $+1
lxi sp, 0
ret ; this is a normal return
dzx0:
lxi h,0FFFFh ; tos=-1 offset?
push h
inx h
mvi a,080h
dzx0_literals: ; Literal (copy next N bytes from compressed file)
call dzx0_elias ; hl = read_interlaced_elias_gamma(FALSE)
; call dzx0_ldir ; for (i = 0; i < length; i++) write_byte(read_byte()
push psw
dzx0_ldir1:
ldax d
stax b
inx d
inr c ; stay within circular buffer
; yield every 16 bytes
mvi a, 15
ana c
cz dzx0_yield
;call dzx0_yield
dcx h
mov a,h
ora l
jnz dzx0_ldir1
pop psw
add a
jc dzx0_new_offset ; if (read_bit()) goto COPY_FROM_NEW_OFFSET
; COPY_FROM_LAST_OFFSET
call dzx0_elias ; hl = read_interlaced_elias_gamma(FALSE)
dzx0_copy:
xchg ; hl = src, de = length
xthl ; ex (sp), hl:
; tos = src
; hl = -1
push h ; push -1
dad b ; h = -1 + dst
mov h, b ; stay in the buffer!
xchg ; de = dst + offset, hl = length
; call dzx0_ldir ; for (i = 0; i < length; i++) write_byte(dst[-offset+i])
push psw
dzx0_ldir_from_buf:
ldax d
stax b
inr e
inr c ; stay within circular buffer
; yield every 16 bytes
mvi a, 15
ana c
cz dzx0_yield
dcx h
mov a,h
ora l
jnz dzx0_ldir_from_buf
mvi h,0
pop psw
add a
; de = de + length
; hl = 0
; a, carry = a + a
xchg ; de = 0, hl = de + length .. discard dst
pop h ; hl = old offset
xthl ; offset = hl, hl = src
xchg ; de = src, hl = 0?
jnc dzx0_literals ; if (!read_bit()) goto COPY_LITERALS
; COPY_FROM_NEW_OFFSET
; Copy from new offset (repeat N bytes from new offset)
dzx0_new_offset:
call dzx0_elias ; hl = read_interlaced_elias_gamma()
mov h,a ; h = a
pop psw ; drop offset from stack
xra a ; a = 0
sub l ; l == 0?
;rz ; return
jz dzx0_ded
push h ; offset = new offset
; last_offset = last_offset*128-(read_byte()>>1);
rar\ mov h,a ; h = hi(last_offset*128)
ldax d ; read_byte()
rar\ mov l,a ; l = read_byte()>>1
inx d ; src++
xthl ; offset = hl, hl = old offset
mov a,h ;
lxi h,1 ;
cnc dzx0_elias_backtrack;
inx h
jmp dzx0_copy
dzx0_elias:
inr l
dzx0_elias_loop:
add a
jnz dzx0_elias_skip
ldax d
inx d
ral
dzx0_elias_skip:
rc
dzx0_elias_backtrack:
dad h
add a
jnc dzx0_elias_loop
jmp dzx0_elias
dzx0_ldir:
push psw
mov a, b
cmp d
jz dzx0_ldir_from_buf
; reached the end, just restart the scheduler
dzx0_ded jmp brutal_restart
;call dzx0_yield
;jmp dzx0_ded
;
;
; SONG DATA
;
; see ym6break.py
;
; recipe:
; 1. extract each register as separate stream
; 2. salvador -classic -w 256 register_stream
; 3. make db strings etc
; Special for Vortex Tracker 2.5
; EA at feb 2018 (YM+ABC)
; Created by Sergey Bulba's AY-3-8910/12 Emulator v2.9
song_00: db $79,$8e,$1c,$ef,$fa,$54,$26,$b2,$65,$1c,$15,$19,$85,$9f,$3e,$fc,$47,$2e,$02,$fa,$55,$09,$85,$b2,$65,$1c,$46,$61,$9f,$3e,$fc,$51,$9b,$0e,$9c,$6f,$21,$50,$79,$d0,$04,$79,$fb,$a6,$32,$e5,$9c,$65,$1c,$b2,$01,$e0,$d0,$47,$9a,$fb,$1f,$be,$7c,$60,$3e,$fc,$9f,$1e,$d0,$05,$73,$20,$02,$a8,$1c,$8e,$43,$81,$a0,$47,$9a,$fb,$32,$e5,$9c,$60,$65,$1c,$b2,$1e,$d7,$b8,$9c,$d0,$5e,$a0,$51,$e6,$fb,$1f,$be,$7c,$98,$3e,$fc,$9f,$07,$ae,$d7,$7c,$d0,$17,$95,$a0,$72,$20,$68,$0e,$5a,$0e,$07,$85,$d0,$e0,$a0,$51,$e6,$fb,$32,$e5,$9c,$89,$65,$1c,$a5,$b2,$fc,$e9,$f4,$ae,$9c,$d0,$17,$94,$a0,$79,$fb,$a2,$1f,$be,$7c,$3e,$fc,$69,$9f,$7f,$e9,$f4,$2b,$7c,$85,$d0,$e5,$a0,$5c,$95,$20,$78,$a0,$14,$79,$fb,$a2,$32,$e5,$9c,$65,$1c,$69,$b2,$7f,$e9,$f4,$2b,$9c,$85,$d0,$e5,$a0,$1e,$fb,$68,$1f,$be,$7c,$9a,$3e,$fc,$9f,$5f,$e9,$ca,$f4,$7c,$e1,$d0,$79,$a0,$57,$25,$20,$5e,$a0,$05,$1e,$fb,$68,$32,$e5,$9c,$9a,$65,$1c,$b2,$5f,$e9,$ca,$f4,$9c,$e1,$d0,$79,$a0,$47,$9a,$fb,$1f,$be,$7c,$26,$3e,$fc,$97,$9f,$f2,$e9,$f4,$b8,$7c,$d0,$5e,$a0,$55,$c9,$20,$57,$81,$a0,$47,$9a,$fb,$32,$e5,$9c,$26,$65,$1c,$97,$b2,$f2,$e9,$f4,$b8,$9c,$d0,$5e,$a0,$51,$e6,$fb,$1f,$be,$7c,$89,$3e,$fc,$a5,$9f,$fc,$e9,$f4,$ae,$7c,$d0,$17,$95,$a0,$72,$20,$55,$e0,$a0,$51,$e6,$fb,$32,$e5,$9c,$89,$65,$1c,$a5,$b2,$fc,$e9,$f4,$ae,$9c,$d0,$17,$94,$a0,$79,$fb,$a2,$1f,$be,$7c,$3e,$fc,$69,$9f,$7f,$e9,$f4,$2b,$7c,$85,$d0,$e5,$a0,$5c,$95,$20,$78,$a0,$14,$79,$fb,$a2,$32,$e5,$9c,$65,$1c,$69,$b2,$7f,$e9,$f4,$2b,$9c,$85,$d0,$e5,$a0,$1e,$fb,$68,$1f,$be,$7c,$9a,$3e,$fc,$9f,$5f,$e9,$ca,$f4,$7c,$e1,$d0,$79,$a0,$57,$00,$00,$80
song_01: db $79,$00,$01,$00,$fa,$55,$28,$01,$55,$68,$00,$05,$56,$85,$01,$47,$25,$80,$56,$0f,$02,$03,$04,$05,$d0,$00,$0f,$ed,$80,$fa,$e0,$d0,$57,$34,$50,$57,$f9,$0f,$ff,$a0,$10,$3e,$03,$fa,$03,$f8,$a0,$d0,$5e,$a0,$55,$c9,$20,$57,$d4,$a0,$43,$e0,$c3,$fa,$3f,$a0,$85,$d0,$e5,$a0,$5c,$95,$20,$7d,$a0,$44,$3e,$c3,$fa,$03,$f8,$a0,$d0,$5e,$a0,$55,$c9,$20,$57,$d4,$a0,$43,$e0,$c3,$fa,$3f,$a0,$85,$d0,$e5,$a0,$5c,$95,$20,$7d,$a0,$44,$3e,$c3,$fa,$03,$f8,$a0,$d0,$5e,$a0,$55,$c9,$20,$57,$d4,$a0,$43,$e0,$c3,$fa,$3f,$a0,$85,$d0,$e5,$a0,$5c,$95,$20,$7d,$a0,$44,$3e,$c3,$fa,$03,$f8,$a0,$d0,$5e,$a0,$55,$c9,$80,$55,$c0,$00,$20
song_02: db $85,$00,$55,$6b,$ef,$a2,$fc,$ec,$e9,$9b,$ef,$f2,$f5,$9b,$f0,$1c,$e2,$ff,$fd,$19,$16,$9b,$1c,$1f,$22,$9e,$f0,$b8,$54,$f0,$7c,$e5,$40,$57,$81,$64,$be,$65,$ff,$fd,$29,$62,$5f,$b9,$65,$68,$6b,$f0,$e5,$b8,$4f,$7c,$0b,$fc,$e2,$ff,$fd,$f9,$f6,$9b,$fc,$ff,$02,$9b,$f0,$3e,$e2,$ff,$fd,$3b,$38,$9b,$3e,$41,$44,$9e,$f0,$b8,$54,$f0,$7c,$c8,$08,$17,$95,$b8,$3c,$7c,$39,$40,$55,$e0,$64,$6f,$65,$ff,$8a,$fd,$62,$5f,$6e,$65,$68,$6b,$f0,$79,$b8,$53,$c2,$7c,$f8,$fc,$ff,$fd,$a6,$f9,$f6,$fc,$ff,$02,$e6,$f0,$f8,$3e,$ff,$fd,$a6,$3b,$38,$3e,$41,$44,$e7,$f0,$95,$b8,$3c,$7c,$32,$08,$05,$e5,$b8,$4f,$7c,$0e,$40,$55,$78,$64,$1b,$65,$e2,$ff,$fd,$62,$5f,$9b,$65,$68,$6b,$9e,$f0,$b8,$54,$f0,$7c,$be,$fc,$ff,$fd,$29,$f9,$f6,$b9,$fc,$ff,$02,$f0,$be,$3e,$ff,$fd,$29,$3b,$38,$b9,$3e,$41,$44,$f0,$e5,$b8,$4f,$7c,$0c,$96,$50,$fb,$bd,$fe,$ba,$25,$ec,$e7,$dc,$95,$b8,$79,$7c,$79,$40,$55,$e0,$28,$6f,$65,$ff,$8a,$fd,$62,$5f,$6e,$65,$68,$6b,$dc,$79,$b8,$57,$96,$7c,$f8,$fc,$fe,$08,$f9,$f6,$f9,$fc,$ff,$02,$ff,$d6,$22,$d3,$3e,$e8,$fc,$a6,$3b,$38,$3e,$41,$44,$e7,$dc,$95,$b8,$79,$7c,$79,$f0,$6e,$1c,$fe,$25,$86,$1a,$18,$1a,$1c,$1e,$20,$bd,$86,$d6,$86,$ef,$15,$f2,$ed,$eb,$ed,$ef,$f1,$f3,$ef,$eb,$e7,$e3,$df,$db,$d5,$cf,$cd,$cb,$c9,$c7,$c1,$bd,$bb,$b9,$bb,$b8,$5f,$d4,$d2,$d4,$d6,$d8,$da,$d8,$f0,$f0,$a0,$e7,$70,$e7,$b0,$bf,$c1,$bf,$93,$f0,$97,$94,$9f,$40,$4c,$0f,$9c,$79,$f0,$43,$21,$80,$08,$07,$ea,$e5,$e0,$db,$d6,$cf,$c8,$c5,$c2,$bf,$bc,$b5,$b2,$b0,$ae,$b0,$b2,$20,$bc,$79,$a0,$73,$44,$5f,$f0,$72,$38,$07,$d3,$ac,$d6,$9c,$55,$fc,$da,$e4,$ee,$f8,$02,$08,$0e,$14,$1a,$24,$2e,$38,$42,$48,$4e,$54,$5a,$64,$6e,$78,$82,$88,$8e,$94,$9a,$a4,$ae,$b8,$c2,$c8,$ce,$c0,$84,$80,$24,$33,$eb,$e7,$e3,$df,$db,$d5,$cf,$cd,$cb,$c9,$c7,$c1,$94,$e0,$10,$7c,$a0,$33,$44,$5f,$f0,$79,$94,$79,$a0,$f0,$4c,$f7,$9c,$94,$f0,$32,$80,$10,$80,$72,$ea,$e5,$e0,$db,$d6,$cf,$c8,$c5,$c2,$bf,$bc,$b5,$b2,$b0,$ae,$b0,$b2,$bc,$07,$97,$a0,$35,$44,$f7,$f0,$20,$38,$7d,$ac,$3d,$9c,$64,$4c,$da,$e4,$ee,$f8,$02,$08,$0e,$14,$1a,$24,$2e,$38,$42,$48,$4e,$54,$5a,$64,$6e,$78,$82,$88,$8e,$1c,$8e,$5e,$e1,$9b,$f4,$27,$bd,$5e,$3f,$2a,$83,$5e,$22,$6b,$47,$a2,$6b,$77,$4f,$f9,$f9,$ac,$92,$fc,$7e,$54,$fc,$fc,$7e,$43,$81,$d0,$e4,$a0,$f0,$40,$02,$0f,$65,$b2,$77,$65,$f8,$18,$25,$df,$ef,$9f,$df,$39,$b8,$e7,$ac,$f9,$58,$f8,$17,$fc,$10,$f8,$78,$7c,$1c,$98,$74,$ff,$3e,$9f,$fb,$f9,$a0,$e4,$f8,$5e,$74,$78,$f4,$18,$3e,$bd,$5e,$3f,$bd,$f9,$4c,$72,$20,$5e,$40,$7c,$94,$7d,$d0,$79,$a0,$79,$40,$55,$83,$65,$b2,$77,$65,$c6,$f8,$09,$df,$ef,$9f,$df,$4e,$b8,$79,$ac,$fe,$58,$f8,$45,$ff,$10,$f8,$1e,$7c,$07,$26,$74,$3f,$3e,$9f,$fb,$f9,$f9,$a0,$f8,$17,$3a,$6f,$fc,$29,$ec,$e9,$af,$ef,$f2,$f5,$bd,$fe,$be,$ba,$5f,$fc,$8a,$19,$16,$6e,$1c,$1f,$22,$dc,$79,$b8,$57,$97,$7c,$95,$40,$5e,$28,$06,$f8,$65,$ff,$fd,$a6,$62,$5f,$65,$68,$6b,$e7,$04,$95,$b8,$79,$7c,$6f,$fc,$fe,$80,$82,$f9,$f6,$f9,$fc,$ff,$02,$ff,$d6,$2e,$d3,$3e,$fc,$8a,$3b,$38,$6e,$3e,$41,$44,$dc,$79,$b8,$57,$97,$c4,$00,$00,$80
song_03: db $90,$00,$40,$68,$01,$07,$91,$b8,$7d,$7c,$79,$40,$10,$f0,$fe,$43,$d7,$10,$de,$ea,$b8,$00,$72,$08,$05,$f4,$b8,$4f,$40,$00,$7c,$fe,$10,$f5,$10,$f7,$ea,$80,$b8,$1c,$81,$08,$7d,$b8,$13,$c0,$40,$1f,$fe,$04,$3d,$10,$7d,$ea,$e0,$b8,$07,$35,$08,$7d,$c4,$79,$b8,$53,$c5,$40,$0e,$ac,$07,$80,$dc,$1c,$91,$80,$a4,$01,$1e,$b8,$55,$b8,$01,$fe,$12,$85,$00,$05,$c9,$80,$00,$2e,$01,$fe,$41,$a1,$00,$41,$72,$80,$40,$0c,$dc,$be,$c7,$ae,$bd,$f8,$f4,$32,$82,$17,$97,$d0,$81,$a0,$f0,$b8,$3c,$40,$11,$f7,$f8,$d7,$dc,$91,$04,$e4,$f8,$5c,$95,$b0,$f7,$14,$35,$08,$e5,$fe,$5c,$94,$bc,$e5,$ac,$79,$94,$5e,$b8,$57,$c1,$40,$4f,$f8,$7d,$dc,$79,$04,$1e,$f8,$45,$c9,$b0,$5f,$14,$73,$08,$5e,$fe,$00,$68,$01,$5f,$b8,$01,$f5,$c4,$e5,$40,$57,$81,$ac,$e0,$dc,$07,$24,$80,$69,$01,$07,$95,$b8,$3c,$c4,$30,$00,$08
song_04: db $79,$1c,$ef,$bd,$fa,$54,$26,$65,$1c,$ef,$15,$19,$85,$3e,$fc,$d6,$47,$2e,$02,$fa,$55,$09,$85,$65,$1c,$ef,$46,$61,$3e,$fc,$d6,$51,$cb,$02,$95,$fa,$42,$61,$65,$1c,$ef,$51,$98,$3e,$fc,$d6,$54,$72,$02,$e5,$fa,$50,$98,$65,$1c,$ef,$54,$66,$3e,$fc,$d6,$15,$1c,$96,$68,$e4,$70,$fe,$e4,$d0,$15,$be,$65,$e1,$fa,$0b,$94,$93,$fe,$81,$d0,$59,$e0,$3e,$fc,$d6,$fa,$b9,$f8,$fe,$38,$d0,$15,$c9,$20,$5e,$d0,$41,$5b,$65,$e0,$e1,$fa,$b9,$94,$fe,$38,$d0,$15,$9e,$3e,$fc,$d6,$fa,$0b,$f8,$93,$fe,$81,$d0,$5c,$95,$20,$e4,$d0,$15,$be,$65,$e1,$fa,$0b,$94,$93,$fe,$81,$d0,$59,$e0,$3e,$fc,$d6,$fa,$b9,$f8,$fe,$38,$d0,$15,$c9,$20,$5e,$d0,$41,$5b,$65,$e0,$e1,$fa,$b9,$94,$fe,$38,$d0,$15,$9e,$3e,$fc,$d6,$fa,$0b,$f8,$93,$fe,$81,$d0,$5c,$95,$20,$e4,$d0,$15,$be,$65,$e1,$fa,$0b,$94,$93,$fe,$81,$d0,$59,$e0,$3e,$fc,$d6,$fa,$b9,$f8,$fe,$38,$d0,$15,$c9,$20,$5e,$d0,$41,$5b,$65,$e0,$e1,$fa,$b9,$94,$fe,$38,$d0,$15,$9e,$3e,$fc,$d6,$fa,$0b,$f8,$93,$fe,$81,$d0,$5c,$00,$02
song_05: db $2e,$01,$00,$fa,$55,$1a,$01,$15,$5a,$00,$01,$55,$a1,$01,$51,$cc,$80,$00,$83,$02,$02,$03,$05,$95,$d0,$42,$8a,$03,$01,$3d,$fa,$78,$d0,$15,$e5,$10,$78,$d0,$04,$1a,$03,$28,$01,$f5,$fa,$e0,$d0,$57,$31,$50,$42,$e4,$04,$fe,$e4,$d0,$40,$a2,$03,$8e,$01,$fa,$2e,$05,$fe,$4e,$d0,$05,$79,$10,$5e,$d0,$01,$02,$8a,$03,$01,$38,$fa,$b9,$05,$fe,$38,$d0,$15,$e5,$10,$78,$d0,$04,$0a,$03,$28,$01,$e2,$fa,$e4,$05,$fe,$e0,$d0,$57,$95,$10,$e0,$d0,$10,$28,$03,$a3,$01,$8b,$fa,$05,$93,$fe,$81,$d0,$5e,$10,$57,$80,$d0,$40,$a2,$03,$8e,$01,$fa,$2e,$05,$fe,$4e,$d0,$05,$79,$10,$5e,$d0,$01,$02,$8a,$03,$01,$38,$fa,$b9,$05,$fe,$38,$d0,$15,$c9,$80,$55,$c0,$00,$20
song_06: db $81,$00,$04,$56,$08,$10,$08,$06,$04,$0e,$a0,$50,$56,$f8,$01,$ff,$f4,$27,$12,$0a,$08,$ae,$aa,$02,$ff,$8a,$00,$03,$38,$f4,$3b,$82,$9e,$f4,$d0,$5e,$a0,$5e,$70,$5e,$40,$04,$40,$4c,$00,$02
song_07: db $85,$28,$55,$68,$38,$55,$56,$f0,$30,$d0,$11,$22,$30,$30,$17,$b8,$fe,$d0,$79,$a0,$15,$5f,$df,$ea,$fe,$34,$9f,$3c,$f7,$ff,$f4,$a0,$85,$d0,$e0,$a0,$50,$55,$c0,$00,$20
song_08: db $49,$0e,$0d,$0c,$0b,$0a,$09,$38,$e8,$1f,$c4,$41,$f7,$d0,$90,$40,$55,$6e,$0f,$e6,$bc,$0a,$fe,$fa,$e8,$0b,$17,$81,$dc,$b9,$0b,$d0,$7c,$a0,$39,$70,$5e,$40,$11,$16,$3b,$0d,$0d,$ec,$84,$40,$f9,$d1,$40,$3d,$d0,$79,$70,$5e,$40,$11,$42,$85,$0d,$b8,$0d,$d0,$15,$14,$30,$00,$08
song_09: db $85,$00,$55,$61,$91,$0f,$0e,$0d,$0c,$0b,$f5,$dc,$1f,$e8,$5e,$40,$01,$14,$21,$f1,$0a,$0a,$09,$08,$08,$dc,$1e,$40,$14,$17,$d6,$f8,$fb,$0f,$cf,$cc,$97,$e8,$df,$f4,$d0,$5e,$94,$07,$d1,$70,$e4,$28,$1b,$0b,$85,$fe,$32,$80,$45,$5b,$0a,$81,$fe,$32,$80,$01,$0f,$fe,$44,$c8,$80,$51,$6e,$0a,$fe,$52,$fa,$0f,$98,$0a,$e6,$e9,$09,$08,$07,$01,$e7,$c4,$c3,$b8,$95,$e8,$7c,$40,$10,$f9,$46,$7e,$06,$05,$04,$03,$02,$01,$00,$ff,$dc,$07,$d1,$a0,$f5,$e0,$f9,$ff,$60,$79,$40,$55,$cd,$08,$1e,$f4,$7d,$b8,$7d,$e8,$57,$d5,$40,$73,$20,$47,$81,$dc,$f4,$a0,$7d,$e0,$7e,$7b,$60,$5f,$40,$04,$3d,$fe,$fb,$7c,$08,$80,$dc,$1e,$e8,$5e,$40,$05,$57,$00,$00,$80
song_10: db $49,$0e,$0d,$0c,$0b,$0a,$09,$38,$e8,$1f,$c4,$41,$f7,$d0,$90,$40,$55,$6e,$0f,$e6,$bc,$0a,$fe,$fa,$e8,$0b,$17,$81,$dc,$b9,$0b,$d0,$7c,$a0,$39,$70,$5e,$40,$44,$45,$b9,$1f,$fe,$39,$70,$38,$d0,$43,$95,$70,$e0,$40,$41,$55,$c0,$00,$20
song_11: db $90,$00,$01,$16,$85,$47,$55,$a1,$59,$55,$a1,$50,$55,$a1,$47,$05,$a1,$00,$68,$47,$55,$68,$59,$41,$68,$00,$5a,$50,$15,$5a,$47,$10,$5a,$00,$16,$85,$47,$56,$84,$59,$16,$85,$00,$a1,$50,$55,$a1,$47,$55,$68,$59,$55,$68,$50,$55,$68,$47,$55,$5a,$59,$15,$5a,$50,$15,$5a,$47,$15,$56,$85,$59,$56,$84,$50,$17,$00,$00,$80
song_12: db $94,$00,$55,$55,$c0,$00,$20
song_13: db $90,$ff,$01,$16,$f4,$08,$d0,$41,$2c,$01,$95,$80,$55,$38,$d0,$01,$55,$c0,$00,$20
;
; runtime data (careful with relative equ directives)
;
; task stacks
stacks
stack_00 equ stacks
stack_01 equ stack_00 + task_stack_size
stack_02 equ stack_01 + task_stack_size
stack_03 equ stack_02 + task_stack_size
stack_04 equ stack_03 + task_stack_size
stack_05 equ stack_04 + task_stack_size
stack_06 equ stack_05 + task_stack_size
stack_07 equ stack_06 + task_stack_size
stack_08 equ stack_07 + task_stack_size
stack_09 equ stack_08 + task_stack_size
stack_10 equ stack_09 + task_stack_size
stack_11 equ stack_10 + task_stack_size
stack_12 equ stack_11 + task_stack_size
stack_13 equ stack_12 + task_stack_size
stack_14 equ stack_13 + task_stack_size
stack_15 equ stack_14 + task_stack_size
stacks_end equ stack_15 + task_stack_size
; array of task sp: context[i] = task's stack pointer
context equ stacks_end
context_end equ context + 2 * n_tasks
context_ptr: equ context_end
bss_end equ context_ptr + 2
; buffers for unpacking the streams, must be aligned to 256 byte boundary
buffer00 equ 0xff00 & bss_end + 256
buffer01 equ 0xff00 & bss_end + 256 * 2
buffer02 equ 0xff00 & bss_end + 256 * 3
buffer03 equ 0xff00 & bss_end + 256 * 4
buffer04 equ 0xff00 & bss_end + 256 * 5
buffer05 equ 0xff00 & bss_end + 256 * 6
buffer06 equ 0xff00 & bss_end + 256 * 7
buffer07 equ 0xff00 & bss_end + 256 * 8
buffer08 equ 0xff00 & bss_end + 256 * 9
buffer09 equ 0xff00 & bss_end + 256 * 10
buffer10 equ 0xff00 & bss_end + 256 * 11
buffer11 equ 0xff00 & bss_end + 256 * 12
buffer12 equ 0xff00 & bss_end + 256 * 13
buffer13 equ 0xff00 & bss_end + 256 * 14
.end
Raw
ym6break.py
#!/usr/bin/env python3
import struct
import sys
import os
from subprocess import Popen, PIPE
def drop_comment(f):
comment = ''
while True:
b = f.read(1)
if b[0] == 0:
break
comment = comment + chr(b[0])
print(chr(b[0]), end='')
print()
return comment
def readym(filename):
with open(filename, "rb") as f:
hdr = f.read(12) # YM6!LeOnArD! # 12
nframes = struct.unpack(">I", f.read(4))[0] # 16
print("YM6 file has ", nframes, " frames")
attrib = struct.unpack(">I", f.read(4)) # 20
digidrums = struct.unpack(">h", f.read(2)) # 22
masterclock = struct.unpack(">I", f.read(4)) # 26
framehz = struct.unpack(">h", f.read(2)) # 28
loopfrm = struct.unpack(">I", f.read(4)) # 32
f.read(2) # additional data # 34
print("Masterclock: ", masterclock, "Hz")
print("Frame: ", framehz, "Hz")
# skip digidrums but we don't do that here..
comment1 = drop_comment(f)
comment2 = drop_comment(f)
comment3 = drop_comment(f)
regs=[]
for i in range(16):
regs.append(f.read(nframes))
return [regs, comment1, comment2, comment3]
try:
ymfile = sys.argv[1]
except:
sys.stderr.write(f'usage: {sys.argv[0]} unpacked-interleaved.ym label_prefix\n')
exit(1)
(origname, ext) = os.path.splitext(ymfile)
incname = origname + ".inc"
try:
label = sys.argv[2]
except:
label = origname.replace('-', '_')
workdir = 'tmp/'
try:
os.mkdir(workdir)
except:
pass
try:
[columns, comment1, comment2, comment3] = readym(ymfile)
except:
sys.stderr.write(f'error reading f{ymfile}\n')
exit(1)
with open(incname, "w") as inc:
inc.write(f'; {comment1}\n; {comment2}\n; {comment3}\n')
for i, c in enumerate(columns[0:14]):
cname = workdir + origname + ("%02d" % i) + ".bin"
zname = workdir + origname + ("%02d" % i) + ".z"
with open(cname, "wb") as f:
f.write(c)
with Popen(["./salvador.exe", "-v", "-classic", "-w 256", cname, zname], stdout=PIPE) as proc:
print(proc.stdout.read())
with open(zname, "rb") as f:
dbname = label + ("%02d" % i)
data = f.read()
inc.write(f'{dbname}: db ' + ",".join("$%02x" % x for x in data) + "\n")
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment