******************************************
**  PseudoReplay - Made by The Vampire  **
**                 additional optm: LT  **
**  all rights by: PseudoDOS Group TM   **
**      Version 1.0 NT - 11.4.1992      **
******************************************

vp_data:	dc.l	0	; move.l module-adr to this ptr

mt_songpos:	dc.w	0	;  0
mt_break:	dc.b	0	;  1
mt_pattpos:	dc.b	0	;  2
mt_speed:	dc.b	0	;  3
mt_counter:	dc.b	0	;  4
mt_dmacon:	dc.w	0	;  5

vp_init:
	move.l	vp_data(pc),a0
	lea	vp_adr(pc),a1
	lea	$1c(a0),a2
	move.b	-1(a2),positio+3 ; modif-code for positions
	move.b	-3(a2),maxeff+3	 ;    . . .
	moveq	#0,d0
	moveq	#0,d1
	moveq	#0,d2
	move.w	(a2)+,d0	; size of all patterns
	move.b	(a2)+,d1	; number of patterns
	move.b	(a2)+,d2	; number of included effect-words
	lea	$f8(a2),a2
	move.w	positio+2(pc),d3
	lea	(a2,d3.w),a2
	move.l	a2,d3
	btst	#0,d3
	beq.s	vp_ini2
	addq.l	#1,a2
vp_ini2	move.l	a2,(a1)+
	addq.b	#1,d1
	lsl.w	#4,d1
	add.l	d1,a2
	move.l	a2,(a1)+
	add.w	d2,d2
	add.l	d2,a2
	move.l	a2,(a1)+
	add.l	d0,a2
	move.l	a2,(a1)+
	moveq	#$1d,d0
	lea	$20(a0),a0
vp_ini3:moveq	#0,d1
	move.w	(a0),d1
	add.w	d1,d1
	add.l	d1,a2
	lea	$8(a0),a0
	move.l	a2,(a1)+
	dbf	d0,vp_ini3
	or.b	#2,$bfe001
	lea	mt_songpos(pc),a0
	clr.l	(a0)
	move.b	#6,4(a0)
vp_end:	moveq	#0,d0
	lea	$dff000,a0
	move.w	d0,$a8(a0)
	move.w	d0,$b8(a0)
	move.w	d0,$c8(a0)
	move.w	d0,$d8(a0)
	move.w	#$f,$96(a0)
	rts

DecrDatas:			; a0=dest / a2=source / a4=nmost
	moveq	#0,d0
	move.b	(a2)+,d0
	cmp.w	d4,d0
	bgt.s	dn_1
	add.w	d0,d0		; normal
	move.w	(a4,d0.w),(a0)+
	rts
dn_1:	sub.b	d4,d0		; packed
	move.b	d0,(a6)
	moveq	#0,d1
	move.b	(a2)+,d1
	add.w	d1,d1
	move.w	(a4,d1.w),(a0)+
	rts

vp_music:
	move.l	vp_data(pc),a0
	lea	mt_songpos+1(pc),a6
	addq.b	#1,4(a6)		; counter
	move.b	mt_counter(pc),d0
	cmp.b	mt_speed(pc),d0
	blt.L	mt_nonew
	clr.b	4(a6)			; counter
	lea	$20(a0),a3
	tst.b	2(a6)			; pattpos
	bne.s	vp_npt
	move.w	mt_songpos(pc),d0
	lea	$118(a0),a0
	move.b	(a0,d0.w),d0
	lsl.w	#4,d0
	move.l	ADR_mask(pc),a1
	move.l	ADR_patt(pc),a5
	lea	(a1,d0.w),a1	; offsets of 8 columns to play
	lea	ADR_vocs(pc),a4
	moveq	#7,d1
	moveq	#0,d0
getadr	move.w	(a1)+,d0
	move.l	a5,a0
	add.l	d0,a0
	move.l	a0,(a4)+
	dbf	d1,getadr
	clr.l	num_vocs-mt_songpos-1(a6)
	clr.l	num_vocs+4-mt_songpos-1(a6)
vp_npt:					; decrunch line
	movem.l	a2/a6,-(a7)	; a0=dest
	lea	mt_voice1(pc),a0
	lea	ADR_vocs(pc),a5
	lea	num_vocs(pc),a6
	moveq	#3,d7
vp_dp_1	move.l	(a5),a2		; sourceptr
	tst.b	(a6)
	bne.s	vp_dp_2
	lea	nmost(pc),a4
	moveq	#$50,d4
	bsr.L	DecrDatas
	bra.s	vp_dp_3
vp_dp_2	subq.b	#1,(a6)	
	addq.l	#2,a0		; next destination
vp_dp_3	addq.l	#1,a6
	move.l	a2,(a5)+

	move.l	(a5),a2		; sourceptr
	tst.b	(a6)
	bne.s	vp_dp_4
	move.l	ADR_emost(pc),a4
maxeff	move.w	#$00,d4
	bsr.L	DecrDatas
	lea	24(a0),a0
	bra.s	vp_dp_5
vp_dp_4	subq.b	#1,(a6)	
	lea	26(a0),a0			; next destination
vp_dp_5	addq.l	#1,a6
	move.l	a2,(a5)+
	dbf	d7,vp_dp_1
	movem.l	(a7)+,a2/a6

	clr.w	5(a6)			; mt_dmacon
	lea	$dff0a0,a5
	lea	mt_voice1(pc),a4
	moveq	#3,d7
vp_play	bsr.L	mt_playvoice
	lea	$10(a5),a5
	lea	28(a4),a4
	dbf	d7,vp_play
	lea	-$da(a5),a3
	move.w	mt_dmacon(pc),d0
	beq.s	mt_nodma
	bsr.s	mt_wait
	or.w	#$8000,d0
	move.w	d0,$90(a3)
	bsr.s	mt_wait
mt_nodma:
	lea	mt_voice1+$a(pc),a4
	lea	$9a(a3),a3
	moveq	#3,d0
vp_dma1	move.l	(a4)+,(a3)+
	move.w	(a4),(a3)
	lea	$1c-4(a4),a4
	lea	$10-4(a3),a3
	dbf	d0,vp_dma1

	addq.b	#$1,2(a6)		; pattpos
	cmp.b	#$40,2(a6)		; pattpos
	bne.s	vp_exit
vp_next:clr.w	1(a6)			; pattpos / break
	addq.b	#1,(a6)			; songpos
positio	move.w	#0,d0
	cmp.b	(a6),d0
	bne.s	vp_exit
	clr.b	(a6)
vp_exit:tst.b	1(a6)
	bne.s	vp_next
	rts				; leave player

mt_wait:moveq	#3,d3
mt_wai2:move.b	(a3),d2
mt_wai3:cmp.b	(a3),d2
	beq.s	mt_wai3
	dbf	d3,mt_wai2
	moveq	#8,d2
mt_wai4:dbf	d2,mt_wai4
	rts

mt_nonew:
	lea	mt_voice1(pc),a4
	lea	$dff0a0,a5
	moveq	#3,d7
vp_no	bsr.L	mt_com
	lea	28(a4),a4
	lea	$10(a5),a5
	dbf	d7,vp_no
	bra.s	vp_exit				; leave replay

mt_playvoice:
	moveq	#0,d2
	move.b	2(a4),d2
	lsr.b	#4,d2
	move.b	(a4),d0
	and.b	#$f0,d0
	or.b	d0,d2
	beq.s	mt_oldinstr
	lea	vp_samplestarts(pc),a1
	subq.l	#1,d2
	add.w	d2,d2
	add.w	d2,d2
	move.l	(a1,d2.w),4(a4)	; smp adr
	add.w	d2,d2
	lea	(a3,d2.w),a2
	move.w	(a2)+,8(a4)
	move.w	(a2)+,$12(a4)
	move.w	(a2),d3
	tst.w	d3
	beq.s	mt_noloop
	move.l	4(a4),a0
	add.w	d3,d3
	lea	(a0,d3.w),a0
	move.l	a0,$a(a4)
	move.w	(a2),d0
	add.w	2(a2),d0
	move.w	d0,8(a4)
	bra.s	mt_hejaSverige
mt_noloop:
	move.l	4(a4),$a(a4)
mt_hejaSverige:
	move.w	2(a2),$e(a4)
	moveq	#0,d0
	move.b	$13(a4),d0
	move.w	d0,8(a5)

mt_oldinstr:
	move.w	(a4),d0
	and.w	#$fff,d0
	beq.L	mt_com2
	tst.w	8(a4)
	beq.s	mt_stopsound
	tst.b	$12(a4)
	bne.s	mt_stopsound
	move.b	2(a4),d0
	and.b	#$f,d0
	cmp.b	#5,d0
	beq.s	mt_setport
	cmp.b	#3,d0
	beq.s	mt_setport
	move.w	(a4),$10(a4)
	and.w	#$fff,$10(a4)
	move.w	$1a(a4),$dff096
	clr.b	$19(a4)
	move.l	4(a4),(a5)
	move.w	8(a4),4(a5)
	move.w	$10(a4),6(a5)
	move.w	$1a(a4),d0	;dmaset
	or.w	d0,5(a6)	;mt_dmacon
	bra.L	mt_com2
mt_stopsound:
	move.w	$1a(a4),$dff096
	bra.L	mt_com2
mt_setport:
	move.w	(a4),d2
	and.w	#$fff,d2
	move.w	d2,$16(a4)
	move.w	$10(a4),d0
	clr.b	$14(a4)
	cmp.w	d0,d2
	beq.s	mt_clrport
	bge.L	mt_com2
	move.b	#1,$14(a4)
	bra.L	mt_com2
mt_clrport:
	clr.w	$16(a4)
	rts

mt_port:move.b	3(a4),d0
	beq.s	mt_port2
	move.b	d0,$15(a4)
	clr.b	3(a4)
mt_port2:
	tst.w	$16(a4)
	beq.s	mt_rts
	moveq	#0,d0
	move.b	$15(a4),d0
	tst.b	$14(a4)
	bne.s	mt_sub
	add.w	d0,$10(a4)
	move.w	$16(a4),d0
	cmp.w	$10(a4),d0
	bgt.s	mt_portok
	move.w	$16(a4),$10(a4)
	clr.w	$16(a4)
mt_portok:
	move.w	$10(a4),6(a5)
mt_rts:	rts

mt_sub:	sub.w	d0,$10(a4)
	move.w	$16(a4),d0
	cmp.w	$10(a4),d0
	blt.s	mt_portok
	move.w	$16(a4),$10(a4)
	clr.w	$16(a4)
	move.w	$10(a4),6(a5)
	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_vib:	move.b	$3(a4),d0
	beq.s	mt_vib2
	move.b	d0,$18(a4)
mt_vib2:move.b	$19(a4),d0
	lsr.w	#2,d0
	and.w	#$1f,d0
	moveq	#0,d2
	move.b	mt_sin(pc,d0.w),d2
	move.b	$18(a4),d0
	and.w	#$f,d0
	mulu	d0,d2
	lsr.w	#7,d2
	move.w	$10(a4),d0
	tst.b	$19(a4)
	bmi.s	mt_vibsub
	add.w	d2,d0
	bra.s	mt_vib3
mt_vibsub:
	sub.w	d2,d0
mt_vib3:move.w	d0,6(a5)
	move.b	$18(a4),d0
	lsr.w	#2,d0
	and.w	#$3c,d0
	add.b	d0,$19(a4)
	rts

mt_arp:	move.b	mt_counter(pc),d0
	and.w	#3,d0
	beq.s	mt_arp0
	cmp.b	#2,d0
	bge.s	mt_arp2
mt_arp1:moveq	#0,d0
	move.b	3(a4),d0
	lsr.b	#4,d0
	bra.s	mt_arpdo
mt_arp2:move.b	3(a4),d0
	and.w	#$f,d0
mt_arpdo:
	add.w	d0,d0
	move.w	$10(a4),d1
	and.w	#$fff,d1
	lea	mt_peri(pc),a0
	moveq	#$24,d2
mt_arp3:cmp.w	(a0)+,d1
	bge.s	mt_arpfound
	dbf	d2,mt_arp3
mt_arp0:move.w	$10(a4),6(a5)
	rts
mt_arpfound:
	move.w	-2(a0,d0.w),6(a5)
	rts

mt_com:	move.w	2(a4),d0
	and.w	#$fff,d0
	beq.s	mt_arp0
	move.b	2(a4),d0
	and.w	#$f,d0
	beq.s	mt_arp
	cmp.b	#6,d0
	bgt.s	vp_comx
	add.w	d0,d0
	move.w	vp_comjmp-2(pc,d0.w),d0
	jmp	(a6,d0.w)
vp_comx	bsr.s	mt_arp0
	cmp.b	#$a,d0
	beq.s	mt_volslide
	rts
vp_comjmp:
	dc.w	mt_portup-mt_songpos-1		; 1
	dc.w	mt_portdown-mt_songpos-1	; 2
	dc.w	mt_port-mt_songpos-1		; 3
	dc.w	mt_vib-mt_songpos-1		; 4
	dc.w	mt_volport-mt_songpos-1		; 5
	dc.w	mt_volvib-mt_songpos-1		; 6

mt_portup:
	moveq	#$71,d1
	moveq	#$10,d2
	moveq	#0,d0
	move.b	3(a4),d0
	sub.w	d0,(a4,d2.w)
	move.w	(a4,d2.w),d0
	cmp.w	d1,d0
	bpl.s	mt_portup2
	move.w	d1,(a4,d2.w)
mt_portup2:
	move.w	(a4,d2.w),6(a5)
	rts

mt_portdown:
	move.w	#$358,d1
	moveq	#$10,d2
	moveq	#0,d0
	move.b	3(a4),d0
	add.w	(a4,d2.w),d0
	cmp.w	d1,d0
	bmi.s	mt_portdown2
	move.w	d1,d0
mt_portdown2:
	move.w	d0,6(a5)
	move.w	d0,(a4,d2.w)
	rts

mt_volvib:
	 bsr.L	mt_vib2
	 bra.s	mt_volslide
mt_volport:
	 bsr.L	mt_port2

mt_volslide:
	moveq	#$13,d2
	moveq	#$40,d1
	moveq	#0,d0
	move.b	3(a4),d0
	lsr.b	#4,d0
	beq.s	mt_vol3
	add.b	(a4,d2.w),d0
	cmp.b	d1,d0
	bmi.s	mt_vol2
	move.b	d1,d0
mt_vol2:move.b	d0,9(a5)
	move.b	d0,(a4,d2.w)
	rts
mt_vol3:move.b	3(a4),d0
	and.b	#$f,d0
	sub.b	d0,(a4,d2.w)
	bpl.s	mt_vol4
	clr.b	(a4,d2.w)
mt_vol4:move.b	(a4,d2.w),9(a5)
	rts

mt_com2:move.b	$2(a4),d0
	and.w	#$f,d0
	cmp.b	#$e,d0
	bne.s	mt_pattbreak
	move.b	3(a4),d0	; Filter
	and.b	#1,d0
	add.b	d0,d0
	and.b	#$fd,$bfe001
	or.b	d0,$bfe001
	rts
mt_pattbreak:
	cmp.b	#$d,d0
	bne.s	mt_songjmp
	seq	1(a6)
	rts
mt_songjmp:
	cmp.b	#$b,d0
	bne.s	mt_setvol
	seq	1(a6)
	move.b	3(a4),d0
	subq.b	#1,d0
	move.b	d0,(a6)
	rts
mt_setvol:
	cmp.b	#$c,d0
	bne.s	mt_setspeed
	move.b	3(a4),d0
	move.b	d0,$13(a4)
	move.b	d0,9(a5)
	rts
mt_setspeed:
	cmp.b	#$f,d0
	bne.s	vp_cm2x
	move.b	3(a4),3(a6)
vp_cm2x	rts
	dc.b	' PseudoReplay by Vampire of PseudoDOS Group '
nmost:	dc.w	$1358,$1328,$12fa,$12d0,$12a6,$1280,$125c,$123a,$121a,$11fc
	dc.w	$11e0,$11c5,$11ac,$1194,$117d,$1168,$1153,$1140,$112e,$111d
	dc.w	$110d,$10fe,$10f0,$10e2,$10d6,$10ca,$10be,$10b4,$10aa,$10a0
	dc.w	$1097,$108f,$1087,$107f,$1078,$1071,$1000
mt_peri:dc.w	$0358,$0328,$02fa,$02d0,$02a6,$0280,$025c,$023a,$021a,$01fc
	dc.w	$01e0,$01c5,$01ac,$0194,$017d,$0168,$0153,$0140,$012e,$011d
	dc.w	$010d,$00fe,$00f0,$00e2,$00d6,$00ca,$00be,$00b4,$00aa,$00a0
	dc.w	$0097,$008f,$0087,$007f,$0078,$0071,$0000
mt_voice1:	blk.w	13,0
		dc.w	1
mt_voice2:	blk.w	13,0
		dc.w	2
mt_voice3:	blk.w	13,0
		dc.w	4
mt_voice4:	blk.w	13,0
		dc.w	8
ADR_vocs:	blk.l	8,0
num_vocs:	blk.b	8,0
vp_adr:
ADR_mask	dc.l	0
ADR_emost	dc.l	0
ADR_patt	dc.l	0
vp_samplestarts:
		blk.l	$1f
		dc.b	'Ende !'
.