home *** CD-ROM | disk | FTP | other *** search
- section "play",CODE
- include "exec/types.i"
- include "libraries/dos.i"
- include "streplay_lib.i"
- xdef mt_start
- xdef mt_brems
-
- call MACRO
- xref _LVO\1
- jsr _LVO\1(a6)
- ENDM
-
- even
- mt_start:
- movem.l d2-d7/a2-a6,-(sp)
- bsr mt_init
- move.l 4,a6
- lea intnode(pc),a1
- moveq #5,d0
- call AddIntServer
- movem.l (sp)+,d2-d7/a2-a6
- rts
-
- mt_brems:
- movem.l d2-d7/a2-a6,-(sp)
- lea intnode(pc),a1
- moveq #5,d0
- move.l 4,a6
- call RemIntServer
- bsr mt_end
- movem.l (sp)+,d2-d7/a2-a6
- rts
-
-
- intnode:
- dc.l 0,0
- dc.b 2,0
- dc.l intname,0,mt_call
- intname:
- dc.b "STReplay_Lib Interrupt",0
- even
-
- mt_init:
- moveq #6,d0
- bsr inits
- move.l strb_Module(a6),a0
- move.l a0,mt_data
- add.l #$03b8,a0
- moveq #$7f,d0
- moveq #0,d1
- mt_init1:
- move.l d1,d2
- subq.w #1,d0
- mt_init2:
- move.b (a0)+,d1
- cmp.b d2,d1
- bgt mt_init1
- dbf d0,mt_init2
- addq.b #1,d2
-
- mt_init3:
- move.l mt_data(pc),a0
- lea mt_sample1(pc),a1
- asl.l #8,d2
- asl.l #2,d2
- add.l #$438,d2
- add.l a0,d2
- moveq #$1e,d0
- mt_init4:
- move.l d2,(a1)+
- moveq #0,d1
- move.w 42(a0),d1
- asl.l #1,d1
- add.l d1,d2
- add.l #$1e,a0
- dbf d0,mt_init4
-
- lea mt_sample1(PC),a0
- moveq #0,d0
- mt_clear:
- move.l 0(a0,d0.w),a1
- clr.l (a1)
- addq.w #4,d0
- cmp.w #$7c,d0
- bne mt_clear
-
- clr.w $dff0a8
- clr.w $dff0b8
- clr.w $dff0c8
- clr.w $dff0d8
- clr.l mt_partnrplay
- clr.l mt_partnote
- clr.l mt_partpoint
-
- move.l mt_data(pc),a0
- move.b $3b6(a0),mt_maxpart+1
- rts
-
- ; call 'mt_end' to switch the sound off
-
- mt_end: clr.w $dff0a8
- clr.w $dff0b8
- clr.w $dff0c8
- clr.w $dff0d8
- move.w #$f,$dff096
- rts
-
- ; the playroutine - call this every frame
-
- mt_call:
- movem.l d2-d7/a2-a6,-(sp)
- bsr.s mt_music
- movem.l (sp)+,d2-d7/a2-a6
- rts
-
- mt_music:
- addq.w #1,mt_counter
- mt_cool: cmp.w #6,mt_counter
- bne mt_notsix
- clr.w mt_counter
- bra mt_rout2
-
- mt_notsix:
- lea mt_aud1temp(PC),a6
- tst.b 3(a6)
- beq mt_arp1
- lea $dff0a0,a5
- bsr mt_arprout
- mt_arp1: lea mt_aud2temp(PC),a6
- tst.b 3(a6)
- beq mt_arp2
- lea $dff0b0,a5
- bsr mt_arprout
- mt_arp2: lea mt_aud3temp(PC),a6
- tst.b 3(a6)
- beq mt_arp3
- lea $dff0c0,a5
- bsr mt_arprout
- mt_arp3: lea mt_aud4temp(PC),a6
- tst.b 3(a6)
- beq mt_arp4
- lea $dff0d0,a5
- bra mt_arprout
- mt_arp4: rts
-
- mt_arprout:
- move.b 2(a6),d0
- and.b #$0f,d0
- tst.b d0
- beq mt_arpegrt
- cmp.b #$01,d0
- beq mt_portup
- cmp.b #$02,d0
- beq mt_portdwn
- cmp.b #$0a,d0
- beq mt_volslide
- rts
-
- mt_portup:
- moveq #0,d0
- move.b 3(a6),d0
- sub.w d0,22(a6)
- cmp.w #$71,22(a6)
- bpl mt_ok1
- move.w #$71,22(a6)
- mt_ok1: move.w 22(a6),6(a5)
- rts
-
- mt_portdwn:
- moveq #0,d0
- move.b 3(a6),d0
- add.w d0,22(a6)
- cmp.w #$538,22(a6)
- bmi mt_ok2
- move.w #$538,22(a6)
- mt_ok2: move.w 22(a6),6(a5)
- rts
-
- mt_volslide:
- moveq #0,d0
- move.b 3(a6),d0
- lsr.b #4,d0
- tst.b d0
- beq mt_voldwn
- add.w d0,18(a6)
- cmp.w #64,18(a6)
- bmi mt_ok3
- move.w #64,18(a6)
- mt_ok3: move.w 18(a6),8(a5)
- rts
- mt_voldwn:
- moveq #0,d0
- move.b 3(a6),d0
- and.b #$0f,d0
- sub.w d0,18(a6)
- bpl mt_ok4
- clr.w 18(a6)
- mt_ok4: move.w 18(a6),8(a5)
- rts
-
- mt_arpegrt:
- move.w mt_counter(PC),d0
- cmp.w #1,d0
- beq mt_loop2
- cmp.w #2,d0
- beq mt_loop3
- cmp.w #3,d0
- beq mt_loop4
- cmp.w #4,d0
- beq mt_loop2
- cmp.w #5,d0
- beq mt_loop3
- rts
-
- mt_loop2:
- moveq #0,d0
- move.b 3(a6),d0
- lsr.b #4,d0
- bra mt_cont
- mt_loop3:
- moveq #$00,d0
- move.b 3(a6),d0
- and.b #$0f,d0
- bra mt_cont
- mt_loop4:
- move.w 16(a6),d2
- bra mt_endpart
- mt_cont:
- add.w d0,d0
- moveq #0,d1
- move.w 16(a6),d1
- and.w #$fff,d1
- lea mt_arpeggio(PC),a0
- mt_loop5:
- move.w 0(A0,d0),d2
- cmp.w (a0),d1
- beq mt_endpart
- addq.l #2,a0
- bra mt_loop5
- mt_endpart:
- move.w d2,6(a5)
- rts
-
- mt_rout2:
- move.l mt_data(pc),a0
- move.l a0,a3
- add.l #$0c,a3
- move.l a0,a2
- add.l #$3b8,a2
- add.l #$43c,a0
- move.l mt_partnrplay(PC),d0
- moveq #0,d1
- move.b 0(A2,d0),d1
- asl.l #8,d1
- asl.l #2,d1
- add.l mt_partnote(PC),d1
- move.l d1,mt_partpoint
- clr.w mt_dmacon
-
- lea $dff0a0,a5
- lea mt_aud1temp(PC),a6
- bsr mt_playit
- lea $dff0b0,a5
- lea mt_aud2temp(PC),a6
- bsr mt_playit
- lea $dff0c0,a5
- lea mt_aud3temp(PC),a6
- bsr mt_playit
- lea $dff0d0,a5
- lea mt_aud4temp(PC),a6
- bsr mt_playit
- move.w #$01f4,d0
- mt_rls: dbf d0,mt_rls
-
- move.w #$8000,d0
- or.w mt_dmacon,d0
- move.w d0,$dff096
-
- lea mt_aud4temp(PC),a6
- cmp.w #1,14(a6)
- bne mt_voice3
- move.l 10(a6),$dff0d0
- move.w #1,$dff0d4
- mt_voice3:
- lea mt_aud3temp(PC),a6
- cmp.w #1,14(a6)
- bne mt_voice2
- move.l 10(a6),$dff0c0
- move.w #1,$dff0c4
- mt_voice2:
- lea mt_aud2temp(PC),a6
- cmp.w #1,14(a6)
- bne mt_voice1
- move.l 10(a6),$dff0b0
- move.w #1,$dff0b4
- mt_voice1:
- lea mt_aud1temp(PC),a6
- cmp.w #1,14(a6)
- bne mt_voice0
- move.l 10(a6),$dff0a0
- move.w #1,$dff0a4
- mt_voice0:
- move.l mt_partnote(PC),d0
- add.l #$10,d0
- move.l d0,mt_partnote
- cmp.l #$400,d0
- bne mt_stop
- mt_higher:
- clr.l mt_partnote
- addq.l #1,mt_partnrplay
- moveq #0,d0
- move.w mt_maxpart(PC),d0
- move.l mt_partnrplay(PC),d1
- cmp.l d0,d1
- bne mt_stop
- clr.l mt_partnrplay
- ; st Pflag
- mt_stop: tst.w mt_status
- beq mt_stop2
- clr.w mt_status
- bra mt_higher
- mt_stop2:
- rts
-
- mt_playit:
- move.l 0(A0,d1.l),(a6)
- addq.l #4,d1
- moveq #0,d2
- move.b 2(a6),d2
- and.b #$f0,d2
- lsr.b #4,d2
-
- move.b (a6),d0
- and.b #$f0,d0
- or.b d0,d2
- tst.b d2
- beq mt_nosamplechange
-
- moveq #0,d3
- lea mt_samples(PC),a1
- move.l d2,d4
- asl.l #2,d2
- mulu #$1e,d4
- move.l 0(A1,d2),4(a6)
- move.w 0(A3,d4.l),8(a6)
- move.w 2(A3,d4.l),18(a6)
- move.w 4(A3,d4.l),d3
- tst.w d3
- beq mt_displace
- move.l 4(a6),d2
- add.l d3,d2
- move.l d2,4(a6)
- move.l d2,10(a6)
- move.w 6(a3,d4.l),8(a6)
- move.w 6(a3,d4.l),14(a6)
- move.w 18(a6),8(a5)
- bra mt_nosamplechange
-
- mt_displace:
- move.l 4(a6),d2
- add.l d3,d2
- move.l d2,10(a6)
- move.w 6(a3,d4.l),14(a6)
- move.w 18(a6),8(a5)
- mt_nosamplechange:
- move.w (a6),d0
- and.w #$fff,d0
- tst.w d0
- beq mt_retrout
- move.w (a6),16(a6)
- move.w 20(a6),$dff096
- move.l 4(a6),(a5)
- move.w 8(a6),4(a5)
- move.w (a6),d0
- and.w #$fff,d0
- move.w d0,6(a5)
- move.w 20(a6),d0
- or.w d0,mt_dmacon
-
- mt_retrout:
- tst.w (a6)
- beq mt_nonewper
- move.w (a6),22(a6)
-
- mt_nonewper:
- move.b 2(a6),d0
- and.b #$0f,d0
- cmp.b #$0b,d0
- beq mt_posjmp
- cmp.b #$0c,d0
- beq mt_setvol
- cmp.b #$0d,d0
- beq mt_break
- cmp.b #$0e,d0
- beq mt_setfil
- cmp.b #$0f,d0
- beq mt_setspeed
- rts
-
- mt_posjmp:
- not.w mt_status
- moveq #0,d0
- move.b 3(a6),d0
- subq.b #1,d0
- move.l d0,mt_partnrplay
- rts
-
- mt_setvol:
- move.b 3(a6),8(a5)
- rts
-
- mt_break:
- not.w mt_status
- rts
-
- mt_setfil:
- moveq #0,d0
- move.b 3(a6),d0
- and.b #1,d0
- rol.b #1,d0
- and.b #$fd,$bfe001
- or.b d0,$bfe001
- rts
-
- mt_setspeed:
- move.b 3(a6),d0
- and.b #$0f,d0
- beq mt_back
- inits: clr.w mt_counter
- move.b d0,mt_cool+3
- mt_back: rts
-
- mt_aud1temp:
- ds.w 10
- dc.w 1
- ds.w 2
- mt_aud2temp:
- ds.w 10
- dc.w 2
- ds.w 2
- mt_aud3temp:
- ds.w 10
- dc.w 4
- ds.w 2
- mt_aud4temp:
- ds.w 10
- dc.w 8
- ds.w 2
-
- mt_partnote: dc.l 0
- mt_partnrplay: dc.l 0
- mt_counter: dc.w 0
- mt_partpoint: dc.l 0
- mt_samples: dc.l 0
- mt_sample1: ds.l 31
- mt_maxpart: dc.w 0
- mt_dmacon: dc.w 0
- mt_status: dc.w 0
-
- mt_arpeggio:
- dc.w $0358,$0328,$02fa,$02d0,$02a6,$0280,$025c
- dc.w $023a,$021a,$01fc,$01e0,$01c5,$01ac,$0194,$017d
- dc.w $0168,$0153,$0140,$012e,$011d,$010d,$00fe,$00f0
- dc.w $00e2,$00d6,$00ca,$00be,$00b4,$00aa,$00a0,$0097
- dc.w $008f,$0087,$007f,$0078,$0071,$0000,$0000,$0000
- mt_data: dc.l 0
-
- END
-