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- * MultiPlayer
- * Copyright (C) 1992 Bryan Ford
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * I (the author of MultiPlayer) can be contacted on the Internet at
- * "bryan.ford@m.cc.utah.edu". See "Player.doc" for other addresses.
- *
- * Note: This playroutine was not originally written by me. In general
- * these playroutines are public domain, so I am bringing the versions
- * modified for MultiPlayer under the General Public License. In the
- * few cases of already-copyrighted playroutines, the above copyright
- * notice applies only to the parts of the file written by me.
- *
- * $Id: ntpackplay.asm,v 4.1 92/06/21 11:14:05 BAF Exp Locker: BAF $
- *
-
- include "player.i"
-
- xref modmem
- xref getfreqmodspeed,dmawait
-
- xdef ntpackstart
-
- code text
-
- ntpackstart
- plstartret 9$
-
- cnop 0,4
- dc.l gmod_Hook
- 9$ gmodnop
- gmodbra _pack_init ; StartMusic
- gmodbra _pack_end ; StopMusic
- gmodnop
- gmodnop
- moveq #1,d0 ; ContinueMusic
- rts
- gmodnop
- gmodnop
- gmodnop
- gmodnop
- gmodnop
- gmodnop
- gmodnop
- gmodnop
- gmodnop
- gmodbra getfreqmodspeed ; GetFrequency
- gmodbra _pack_music ; TimerTick
- lea name(pc),a0 ; GetMakerName
- move.l a0,d0
- rts
-
- ;*******************************
- ;*** NOISETRACKER COMPRESSED ***
- ;*** REPLAYROUTINE 1.3 D ***
- ;*** IMPROVED ON 15/03/91 ***
- ;*** BY ANTICHRIST OF UFO ***
- ;*******************************
-
- ; This routine is fully pc-relative.
- ; Don't change anything in mt_vars
- ; ('coz the offsets below won't fit anymore!).
-
- ; Include your PACKED module at mt_data (still the same!)
- ; To init, jump to Offset 0
- ; ╗╗ Load your start position to d0.l ½½
- ; To play, jump to Offset 4
- ; To stop, jump to Offset 8
-
- mt_speed equ 0
- mt_songpos equ 1
- mt_pattpos equ 2
- mt_counter equ 4
- mt_break equ 5
- mt_dmacon equ 6
- mt_samplestarts equ 8
- mt_voice1 equ 132
- mt_voice2 equ 166
- mt_voice3 equ 200
- mt_voice4 equ 234
-
- _pack_init:
- ; !!!!
- movem.l d0-d7/a0-a6,-(a7)
- ; !!!!
- move.l d0,-(sp)
- lea mt_vars(pc),a4
- move.l modmem,a0
- move.l a0,a1
- lea $176(a1),a1
- moveq #$7f,d0
- moveq #0,d1
- moveq #0,d2
-
- .seek move.b (a1)+,d1
- cmp.b d1,d2
- bge.s .nohi
- move.b d1,d2
- .nohi dbf d0,.seek
-
- move.l modmem,(a0)
- lea $1f6(a0),a0
- lea mt_patterns(pc),a1
- move.w #$5041,d0
- move.w #$5454,d1
- .getPatt
- cmp.w (a0)+,d0
- bne.s .getPatt
- cmp.w (a0)+,d1
- bne.s .getPatt
- move.l a0,(a1)+
- dbf d2,.getPatt
-
- lea mt_samplestarts(a4),a1
- move.l modmem,a2
- move.l a2,d2
- moveq #31-1,d1
- mt_lop3:
- move.l (a2),d0
- add.l d2,d0
- move.l d0,(a1)+
- lea 12(a2),a2
- dbf d1,mt_lop3
-
- move.l (sp)+,d0
- moveq #0,d0 ;insert this line, if you don't
- bsr setChannel ;want to start your song at any
- ;other position than 0
- move.b #6,mt_speed(a4)
- clr.w $dff0a8
- clr.w $dff0b8
- clr.w $dff0c8
- clr.w $dff0d8
- clr.b mt_counter(a4)
- clr.w mt_pattpos(a4)
-
- ; !!!!
- movem.l (a7)+,d0-d7/a0-a6
- ; !!!!
- rts
-
- _pack_end:
- clr.w $dff0a8
- clr.w $dff0b8
- clr.w $dff0c8
- clr.w $dff0d8
- move.w #$f,$dff096
- rts
- _pack_music:
- ; !!!!
- movem.l d0-d7/a0-a6,-(a7)
- ; !!!!
- bsr mt_music
- ; !!!!
- movem.l (a7)+,d0-d7/a0-a6
- ; !!!!
- rts
-
- mt_music:
- lea mt_vars(pc),a4
- addq.b #1,mt_counter(a4)
- move.b mt_counter(a4),D0
- cmp.b mt_speed(a4),D0
- blt.s mt_nonew
- clr.b mt_counter(a4)
- bra mt_getnew
-
- mt_nonew:
- lea mt_voice1(a4),a6
- lea $dff0a0,a5
- bsr mt_checkcom
- lea mt_voice2(a4),a6
- lea $10(a5),a5
- bsr mt_checkcom
- lea mt_voice3(a4),a6
- lea $10(a5),a5
- bsr mt_checkcom
- lea mt_voice4(a4),a6
- lea $10(a5),a5
- bsr mt_checkcom
- bra mt_endr
-
- mt_arpeggio:
- moveq #0,d0
- move.b mt_counter(a4),d0
- divs #3,d0
- swap d0
- cmp.w #0,d0
- beq.s mt_arp2
- cmp.w #2,d0
- beq.s mt_arp1
-
- moveq #0,d0
- move.b 3(a6),d0
- lsr.b #4,d0
- bra.s mt_arp3
- mt_arp1:
- moveq #0,d0
- move.b $3(a6),d0
- and.b #$f,d0
- bra.s mt_arp3
- mt_arp2:
- move.w $10(a6),d2
- bra.s mt_arp4
- mt_arp3:
- asl.w #1,d0
- moveq #0,d1
- move.w $10(a6),d1
- lea mt_periods(pc),a0
- moveq #$24,d7
- mt_arploop:
- move.w 0(a0,d0.w),d2
- cmp.w (a0),d1
- bge.s mt_arp4
- addq.l #2,a0
- dbf d7,mt_arploop
- rts
- mt_arp4: move.w d2,$6(a5)
- rts
-
- mt_getnew:
- move.l modmem,a3
- clr.w mt_dmacon(a4)
- lea $dff0a0,a5
- lea mt_voice1(a4),a6
- bsr.s mt_playvoice
- lea $10(a5),a5
- lea mt_voice2(a4),a6
- bsr.s mt_playvoice
- lea $10(a5),a5
- lea mt_voice3(a4),a6
- bsr.s mt_playvoice
- lea $10(a5),a5
- lea mt_voice4(a4),a6
- bsr.s mt_playvoice
- bra mt_setdma
-
- mt_playvoice:
- tst.w 32(a6)
- beq.s .nodelay
- subq.w #1,32(a6)
- bra.s .morevoice
- .nodelay
- move.l 28(a6),a0
- moveq #0,d2
- move.b (a0),d2
- cmpi.b #$ff,d2
- bne.s .nocrunch
- move.b 1(a0),33(a6)
- addq.l #2,28(a6)
- clr.l (a6)
- bra.s mt_playvoice
- .nocrunch
- move.b d2,d0
- andi.b #$3f,d2
- beq.s .noset
- lsl.w #1,d2
- lea mt_periods(pc),a1
- move.w -2(a1,d2.w),d2
- .noset btst #7,d0
- beq.s .nohisamp
- bset #12,d2
- .nohisamp
- move.w d2,(a6)
- move.b 1(a0),2(a6)
- clr.b 3(a6)
- btst #6,d0
- bne.s .nocom
- move.b 2(a0),3(a6)
- addq.l #1,28(a6)
- .nocom addq.l #2,28(a6)
- .morevoice
- moveq #0,d2
- move.b 2(a6),d2
- and.b #$f0,d2
- lsr.b #4,d2
- move.b (a6),d0
- and.b #$f0,d0
- or.b d0,d2
- tst.b d2
- beq.s mt_setregs
- lea mt_samplestarts(a4),a1
- subq.l #1,d2
- move.l d2,d4
- mulu #12,d4
- asl.l #2,d2
- move.l 0(a1,d2.l),4(a6)
- move.w 4(a3,d4.l),8(a6)
- move.w 6(a3,d4.l),18(a6)
- moveq #0,d3
- move.w 8(a3,d4.l),d3
- tst.w d3
- beq.s mt_noloop
- move.l 4(a6),d2
- lsl.l #1,d3
- add.l d3,d2
- move.l d2,$a(a6)
- move.w 8(a3,d4.l),d0
- add.w 10(a3,d4.l),d0
- move.w d0,8(a6)
- move.w 10(a3,d4.l),$e(a6)
- move.w $12(a6),$8(a5)
- bra.s mt_setregs
- mt_noloop:
- move.l 4(a6),d2
- add.l d3,d2
- move.l d2,10(a6)
- move.w 10(a3,d4.l),14(a6)
- move.w 18(a6),8(a5)
- mt_setregs:
- move.w (a6),d0
- andi.w #$fff,d0
- beq mt_checkcom2
- move.b 2(a6),d0
- and.b #$F,d0
- cmp.b #$3,d0
- bne.s mt_setperiod
- bsr mt_setmyport
- bra mt_checkcom2
-
- mt_setperiod:
- move.w (a6),$10(a6)
- and.w #$fff,$10(a6)
- move.w $14(a6),d0
- move.w d0,$dff096
- clr.b $1b(a6)
-
- move.l 4(a6),(a5)
- move.w 8(a6),4(a5)
- move.w $10(a6),d0
- and.w #$fff,d0
- move.w d0,$6(a5)
- move.w 20(a6),d0
- or.w d0,mt_dmacon(a4)
- bra mt_checkcom2
-
- mt_setdma:
- jsr dmawait
- move.w mt_dmacon(a4),d0
- or.w #$8000,d0
- move.w d0,$dff096
- jsr dmawait
-
- lea $dff000,a5
- lea mt_voice4(a4),a6
- move.l $a(a6),$d0(a5)
- move.w $e(a6),$d4(a5)
- lea mt_voice3(a4),a6
- move.l $a(a6),$c0(a5)
- move.w $e(a6),$c4(a5)
- lea mt_voice2(a4),a6
- move.l $a(a6),$b0(a5)
- move.w $e(a6),$b4(a5)
- lea mt_voice1(a4),a6
- move.l $a(a6),$a0(a5)
- move.w $e(a6),$a4(a5)
- addq.b #1,mt_pattpos+1(a4)
- cmpi.b #64,mt_pattpos+1(a4)
- bne.s mt_endr
- mt_nex: clr.b mt_pattpos+1(a4)
- clr.b mt_break(a4)
- addq.b #1,mt_songpos(a4)
- andi.b #$7f,mt_songpos(a4)
- move.l a0,-(a7)
- move.l modmem,a0
- move.b mt_songpos(a4),d1
- cmp.b $174(a0),d1
- bne.s .not
- move.b $175(a0),mt_songpos(a4)
- .not moveq #0,d0
- movem.l (a7)+,a0
- move.b mt_songpos(a4),d0
- bsr setChannel
- mt_endr:
- tst.b mt_break(a4)
- bne.s mt_nex
- rts
-
- mt_setmyport:
- move.w (a6),d2
- and.w #$fff,d2
- move.w d2,$18(a6)
- move.w $10(a6),d0
- clr.b $16(a6)
- cmp.w d0,d2
- beq.s mt_clrport
- bge.s mt_rt
- move.b #$1,$16(a6)
- rts
- mt_clrport:
- clr.w $18(a6)
- mt_rt: rts
-
- mt_myport:
- move.b 3(a6),d0
- beq.s mt_myslide
- move.b d0,$17(a6)
- clr.b 3(a6)
- mt_myslide:
- tst.w $18(a6)
- beq.s mt_rt
- moveq #0,d0
- move.b $17(a6),d0
- tst.b $16(a6)
- bne.s mt_mysub
- add.w d0,$10(a6)
- move.w $18(a6),d0
- cmp.w $10(a6),d0
- bgt.s mt_myok
- move.w $18(a6),$10(a6)
- clr.w $18(a6)
- mt_myok: move.w $10(a6),$6(a5)
- rts
- mt_mysub:
- sub.w d0,$10(a6)
- move.w $18(a6),d0
- cmp.w $10(a6),d0
- blt.s mt_myok
- move.w $18(a6),$10(a6)
- clr.w $18(a6)
- move.w $10(a6),$6(a5)
- rts
-
- mt_vib: move.b 3(a6),d0
- beq.s mt_vi
- move.b d0,$1a(a6)
-
- mt_vi: move.b $1b(a6),d0
- lea mt_sin(pc),a4
- lsr.w #$2,d0
- and.w #$1f,d0
- moveq #0,d2
- move.b 0(a4,d0.w),d2
- move.b $1a(a6),d0
- and.w #$f,d0
- mulu d0,d2
- lsr.w #$6,d2
- move.w $10(a6),d0
- tst.b $1b(a6)
- bmi.s mt_vibmin
- add.w d2,d0
- bra.s mt_vib2
- mt_vibmin:
- sub.w d2,d0
- mt_vib2: move.w d0,$6(a5)
- move.b $1a(a6),d0
- lsr.w #$2,d0
- and.w #$3c,d0
- add.b d0,$1b(a6)
- lea mt_vars(pc),a4
- rts
-
- mt_nop: move.w $10(a6),$6(a5)
- rts
-
- mt_checkcom:
- move.w 2(a6),d0
- and.w #$fff,d0
- beq.s mt_nop
- move.b 2(a6),d0
- and.b #$f,d0
- tst.b d0
- beq mt_arpeggio
- cmp.b #$1,d0
- beq.s mt_portup
- cmp.b #$2,d0
- beq mt_portdown
- cmp.b #$3,d0
- beq mt_myport
- cmp.b #$4,d0
- beq mt_vib
- move.w $10(a6),$6(a5)
- cmp.b #$a,d0
- beq.s mt_volslide
- rts
-
- mt_volslide:
- moveq #0,d0
- move.b $3(a6),d0
- lsr.b #4,d0
- tst.b d0
- beq.s mt_voldown
- add.w d0,$12(a6)
- cmp.w #$40,$12(a6)
- bmi.s mt_vol2
- move.w #$40,$12(a6)
- mt_vol2: move.w $12(a6),$8(a5)
- rts
-
- mt_voldown:
- moveq #0,d0
- move.b $3(a6),d0
- and.b #$f,d0
- sub.w d0,$12(a6)
- bpl.s mt_vol3
- clr.w $12(a6)
- mt_vol3: move.w $12(a6),$8(a5)
- rts
-
- mt_portup:
- moveq #0,d0
- move.b 3(a6),d0
- sub.w d0,$10(a6)
- move.w $10(a6),d0
- and.w #$fff,d0
- cmp.w #$71,d0
- bpl.s mt_por2
- and.w #$f000,$10(a6)
- or.w #$71,$10(a6)
- mt_por2: move.w $10(a6),d0
- and.w #$fff,d0
- move.w d0,$6(a5)
- rts
-
- mt_portdown:
- clr.w d0
- move.b $3(a6),d0
- add.w d0,$10(a6)
- move.w $10(a6),d0
- and.w #$fff,d0
- cmp.w #$358,d0
- bmi.s mt_por3
- and.w #$f000,$10(a6)
- or.w #$358,$10(a6)
- mt_por3: move.w $10(a6),d0
- and.w #$fff,d0
- move.w d0,$6(a5)
- rts
-
- mt_checkcom2:
- move.b 2(a6),d0
- and.b #$f,d0
- cmp.b #$e,d0
- beq.s mt_setfilt
- cmp.b #$d,d0
- beq.s mt_pattbreak
- cmp.b #$b,d0
- beq.s mt_posjmp
- cmp.b #$c,d0
- beq.s mt_setvol
- cmp.b #$f,d0
- beq.s mt_setspeed
- rts
-
- mt_setfilt:
- move.b $3(a6),d0
- and.b #$1,d0
- asl.b #$1,d0
- and.b #$fd,$bfe001
- or.b d0,$bfe001
- rts
- mt_posjmp:
- move.b 3(a6),d0
- subq.b #1,d0
- move.b d0,mt_songpos(a4)
- mt_pattbreak:
- not.b mt_break(a4)
- rts
- mt_setvol:
- cmp.b #$40,$3(a6)
- ble.s mt_vol4
- move.b #$40,$3(a6)
- mt_vol4:
- move.b $3(a6),$8(a5)
- rts
-
- mt_setspeed:
- cmp.b #$1f,$3(a6)
- ble.s mt_sets
- move.b #$1f,$3(a6)
- mt_sets:
- move.b $3(a6),d0
- beq.s mt_rts2
- move.b d0,mt_speed(a4)
- clr.b mt_counter(a4)
- mt_rts2:
- rts
-
- setChannel:
- move.l modmem,a0
- lea mt_vars(pc),a4
- cmp.b $174(a0),d0
- blt.s .valid
- moveq #0,d0
- .valid move.b d0,mt_songpos(a4)
- lea $176(a0),a0
- move.b 0(a0,d0.w),d0
- lsl.l #2,d0
- lea mt_voice1(a4),a1
- lea mt_patterns(pc),a0
- move.l 0(a0,d0.w),a0
- move.l a0,d2
- move.l d2,d0
- addq.l #6,d0
- moveq #3,d1
- bra.s .dochan
- .setchannel
- lea 34(a1),a1
- moveq #0,d0
- move.w (a0)+,d0
- add.l d2,d0
- .dochan
- move.l d0,28(a1)
- clr.w 32(a1)
- dbf d1,.setchannel
- rts
-
- mt_sin:
- DC.b $00,$18,$31,$4a,$61,$78,$8d,$a1,$b4,$c5,$d4,$e0,$eb,$f4,$fa,$fd
- DC.b $ff,$fd,$fa,$f4,$eb,$e0,$d4,$c5,$b4,$a1,$8d,$78,$61,$4a,$31,$18
-
- mt_periods:
- DC.w $0358,$0328,$02fa,$02d0,$02a6,$0280,$025c,$023a,$021a,$01fc,$01e0
- DC.w $01c5,$01ac,$0194,$017d,$0168,$0153,$0140,$012e,$011d,$010d,$00fe
- DC.w $00f0,$00e2,$00d6,$00ca,$00be,$00b4,$00aa,$00a0,$0097,$008f,$0087
- DC.w $007f,$0078,$0071
-
- mt_patterns:
- ds.l 64
- mt_vars: ;*** DON'T CHANGE ANYTHING BELOW ***
- DC.b 6
- DC.b 0
- DC.w 0
- DC.b 0
- DC.b 0
- DC.w 0
- ;mt_samplestarts
- ds.L $1f
-
- ;mt_voice1
- ds.w 10
- DC.w 1
- ds.w 3
- dc.l 0
- dc.w 0
-
- ;mt_voice2
- ds.w 10
- DC.w 2
- ds.w 3
- dc.l 0
- dc.w 0
-
- ;mt_voice3
- ds.w 10
- DC.w 4
- ds.w 3
- dc.l 0
- dc.w 0
-
- ;mt_voice4
- ds.w 10
- DC.w 8
- ds.w 3
- dc.l 0
- dc.w 0
-
- ;atdp Coke's Touchdown !
-
- name dc.b "NoiseTracker Packed",0
-
- end
-