;*************************
; Coded by Galahad & CFou!
;************************

	objfile	'StreetFIghter2.islave'

	SECTION	StreetFighter2islave000000,CODE

                incdir  Includes:
                include RawDIC.i

                SLAVE_HEADER
                dc.b    1 			; Slave version
                dc.b    SFLG_DEBUG       	; Slave flags
                dc.l    DSK_1_Twi1 ;DSK_1	; Pointer to the first disk structure
                dc.l    Text    		; Pointer to the text displayed in the imager window

                dc.b    "$VER:"
Text:
		db	'StreetFighter 2 Imager V1.2 on 19.11.2019',$A
		db	'by Galahad/Fairlight (DOS) & CFou! (Twilight1)',0
                cnop    0,4


;****************************** Support for TwiLight1 track ($1400) version by CFou! on 11/2019 
;*****************************************************************************************
DSK_1_Twi1
         	dc.l    DSK_2_Twi1      ; Pointer to next disk structure
                dc.w    1               ; Disk structure version
                dc.w    DFLG_DOUBLEINC  ; Disk flags
                dc.l    TL_1_Twi1            ; List of tracks which contain data
                dc.l    0               ; UNUSED, ALWAYS SET TO 0!
                dc.l    FL_DISK1	; List of files to be saved
                dc.l    CR_Disk1V1      ; Table of certain tracks with CRC values
                dc.l    DSK_1           ; Alternative disk structure, if CRC failed
                dc.l    0               ; Called before a disk is read
                dc.l    0               ; Called after a disk has been read
DSK_2_Twi1
         	dc.l    DSK_3_Twi1               ; Pointer to next disk structure
                dc.w    1               ; Disk structure version
                dc.w    DFLG_DOUBLEINC  ; Disk flags
                dc.l    TL_2_Twi1            ; List of tracks which contain data
                dc.l    0               ; UNUSED, ALWAYS SET TO 0!
                dc.l    FL_DISK2	; List of files to be saved
                dc.l    CR_Disk2V1      ; Table of certain tracks with CRC values
                dc.l    DSK_2           ; Alternative disk structure, if CRC failed
                dc.l    0               ; Called before a disk is read
                dc.l    0               ; Called after a disk has been read

DSK_3_Twi1
         	dc.l    DSK_4_Twi1               ; Pointer to next disk structure
                dc.w    1               ; Disk structure version
                dc.w    DFLG_DOUBLEINC  ; Disk flags
                dc.l    TL_3_Twi1            ; List of tracks which contain data
                dc.l    0               ; UNUSED, ALWAYS SET TO 0!
                dc.l    FL_DISK3	; List of files to be saved
                dc.l    CR_Disk3V1      ; Table of certain tracks with CRC values
                dc.l    DSK_3          ; Alternative disk structure, if CRC failed
                dc.l    0               ; Called before a disk is read
                dc.l    0               ; Called after a disk has been read

DSK_4_Twi1
         	dc.l    0               ; Pointer to next disk structure
                dc.w    1               ; Disk structure version
                dc.w    DFLG_DOUBLEINC  ; Disk flags
                dc.l    TL_4_Twi1            ; List of tracks which contain data
                dc.l    0               ; UNUSED, ALWAYS SET TO 0!
                dc.l    FL_DISK4	; List of files to be saved
                dc.l    CR_Disk4V1      ; Table of certain tracks with CRC values
                dc.l    DSK_4           ; Alternative disk structure, if CRC failed
                dc.l    0               ; Called before a disk is read
                dc.l    0               ; Called after a disk has been read

;------------------------ Checksum of Twilight versoin for test


CR_Disk1V1
	CRCENTRY 0,$59f8		;$6B50
	CRCENTRY 4,$5bc0
	CRCEND


CR_Disk2V1
	CRCENTRY 0,$add3		
	CRCENTRY 4,$bf33
	CRCEND

CR_Disk3V1
	CRCENTRY 0,$6e7e		
	CRCENTRY 2,$2b7b
	CRCEND

CR_Disk4V1
	CRCENTRY 0,$add3		
	CRCENTRY 4,$bdab
	CRCEND

;------------------------ Track Load Twilight1 ------------------------------------

LG_TRACK_TWI1	= $1400

TL_1_Twi1
	TLENTRY 0,1,$1600,SYNC_STD,DMFM_STD
	TLENTRY 2,3,$1200,SYNC_STD,DMFM_NULL
	TLENTRY 4,148,$1400,$4489,DMFM_Twilight1
	TLEND

TL_2_Twi1
	TLENTRY 0,1,$1600,SYNC_STD,DMFM_STD
	TLENTRY 2,3,$1200,SYNC_STD,DMFM_NULL
	TLENTRY 4,77,$1400,$4489,DMFM_Twilight1
	TLENTRY 78,79,$1400,SYNC_STD,DMFM_NULL
	TLENTRY 80,147,$1400,$4489,DMFM_Twilight1
	TLENTRY 3,122,$1400,$4489,DMFM_Twilight1
	TLENTRY 123,128,$1400,SYNC_STD,DMFM_NULL
	TLENTRY 129,152,$1400,$4489,DMFM_Twilight1
	TLEND

TL_3_Twi1
	TLENTRY 0,1,$1400,SYNC_STD,DMFM_STD
	TLENTRY 2,157,$1400,$4489,DMFM_Twilight1
	TLENTRY 5,70,$1400,$4489,DMFM_Twilight1
	TLENTRY 71,72,$1400,$4489,DMFM_NULL
	TLENTRY 73,152,$1400,$4489,DMFM_Twilight1
	TLEND

TL_4_Twi1
	TLENTRY 0,1,$1600,SYNC_STD,DMFM_STD
	TLENTRY 2,3,$1200,SYNC_STD,DMFM_NULL
	TLENTRY 4,81,$1400,$4489,DMFM_Twilight1
	TLENTRY 82,83,$1400,$4489,DMFM_NULL
	TLENTRY 84,155,$1400,$4489,DMFM_Twilight1
	TLENTRY 3,158,$1400,$4489,DMFM_Twilight1
	TLEND


;------------------------ File Lists Twilight1 ------------------------------------


FL_DISK1
	FLENTRY	FL_BOOTNAME,0,$1600
	FLENTRY	FL_INTRONAME,$1400*$02,LG_TRACK_TWI1*$49
	FLEND

LG_DSK2	= $1400*$4A-$1400

FL_DISK2
	FLENTRY	FL_BOOTNAME_D2,0,$1600
	FLENTRY	FL_D2_FILE1,$1400*$02,$1400*$1a			;0; /$1400=25+1
	FLENTRY	FL_D2_FILE2,$1400*$1c,$1400*$07 		;  ; /$1400=6+1		; DEBUT PISTE 58
	FLENTRY	FL_D2_FILE3,$1400*$23,$1400*$04			;  ;/$1400=3+1		; DEBUT PISTE 70
	FLENTRY	FL_D2_FILE4,$1400*$28,$1400*$19 		;  ;/$1400=24+1		; DEBUT PISTE 80
	FLENTRY	FL_D2_FILE5,$1400*$41,$1400*$07 		;  ;/$1400=6+1		; DEBUT PISTE 130
	FLENTRY	FL_D2_FILE6,$1400*$48,$1400*$02			;  ;/$1400=6+1		; DEBUT PISTE 144/146
	FLENTRY	FL_D2_FILE7,LG_DSK2+$1400*$01,$1400*$17		;3 ;/$1400=22+1		; DEBUT PISTE 3
	FLENTRY	FL_D2_FILE8,LG_DSK2+$1400*$18,$1400*$06		;49 ;/$1400=5+1		; DEBUT PISTE 49
	FLENTRY	FL_D2_FILE9,LG_DSK2+$1400*$1E,$1400*$18		;61 ;/$1400=5+1		; DEBUT PISTE 61
	FLENTRY	FL_D2_FILEA,LG_DSK2+$1400*$36,$1400*$07		;109				;     85	
	FLENTRY	FL_D2_FILEB,LG_DSK2+$1400*$40,$1400*$0c		;229
	FLEND

LG_DSK3	= $1400*$4F-$1400*2

FL_DISK3
	FLENTRY	FL_BOOTNAME_D3,0,$1400
	FLENTRY	FL_D3_FILE1,$1400*$01,$1400*$23	
	FLENTRY	FL_D3_FILE2,$1400*$24,$1400*$09	
	FLENTRY	FL_D3_FILE3,$1400*$2d,$1400*$05
	FLENTRY	FL_D3_FILE4,$1400*$32,$1400*$16	
	FLENTRY	FL_D3_FILE5,$1400*$48,$1400*$07	
	FLENTRY	FL_D3_FILE6,LG_DSK3+$1400*$02,$1400*$17
	FLENTRY	FL_D3_FILE7,LG_DSK3+$1400*$19,$1400*$06
	FLENTRY	FL_D3_FILE8,LG_DSK3+$1400*$1F,$1400*$04
	FLENTRY	FL_D3_FILE9,LG_DSK3+$1400*$24,$1400*$16
	FLENTRY	FL_D3_FILEA,LG_DSK3+$1400*$3a,$1400*$0a
	FLENTRY	FL_D3_FILEB,LG_DSK3+$1400*$44,$1400*$08
	FLEND

LG_DSK4	= $1400*$4E-$1400

FL_DISK4
	FLENTRY	FL_BOOTNAME_D4,0,$1600
	FLENTRY	FL_D4_FILE1,$1400*$02,$1400*$1C	
	FLENTRY	FL_D4_FILE2,$1400*$1e,$1400*$07
	FLENTRY	FL_D4_FILE3,$1400*$25,$1400*$04	
	FLENTRY	FL_D4_FILE4,$1400*$2a,$1400*$1A	
	FLENTRY	FL_D4_FILE5,$1400*$44,$1400*$07	
	FLENTRY	FL_D4_FILE6,$1400*$4b,$1400*$03	
	FLENTRY	FL_D4_FILE7,LG_DSK4+$1400*$01,$1400*$19
	FLENTRY	FL_D4_FILE8,LG_DSK4+$1400*$1A,$1400*$06
	FLENTRY	FL_D4_FILE9,LG_DSK4+$1400*$20,$1400*$03
	FLENTRY	FL_D4_FILEA,LG_DSK4+$1400*$23,$1400*$19
	FLENTRY	FL_D4_FILEB,LG_DSK4+$1400*$3c,$1400*$08
	FLENTRY	FL_D4_FILEC,LG_DSK4+$1400*$44,$1400*$03
	FLENTRY	FL_D4_FILED,LG_DSK4+$1400*$47,$1400*$08
	FLEND

;------------------------ File Name list Twilight1 ------------------------------------


; Disk 1
FL_BOOTNAME	dc.b	"00000000.BOOT",0
FL_INTRONAME	dc.b 	"00000249",0	; intro	

; Disk 2
FL_BOOTNAME_D2:	dc.b	"01000000.BOOT",0	;
FL_D2_FILE1	dc.b 	"0100021A",0	;
FL_D2_FILE2	dc.b 	"01001C07",0	;
FL_D2_FILE3	dc.b 	"01002304",0	;
FL_D2_FILE4	dc.b 	"01002819",0	;
FL_D2_FILE5	dc.b 	"01004107",0	;
FL_D2_FILE6	dc.b 	"01004802",0	;
FL_D2_FILE7	dc.b 	"01010117",0
FL_D2_FILE8	dc.b 	"01011806",0
FL_D2_FILE9	dc.b 	"01011E18",0
FL_D2_FILEA	dc.b 	"01013607",0
FL_D2_FILEB	dc.b 	"0101400C",0

; Disk3
FL_BOOTNAME_D3:	dc.b	"02000000.BOOT",0	;
FL_D3_FILE1	dc.b 	"02000123",0	;
FL_D3_FILE2	dc.b 	"02002409",0	;
FL_D3_FILE3	dc.b 	"02002D05",0	;
FL_D3_FILE4	dc.b 	"02003216",0	;
FL_D3_FILE5	dc.b 	"02004807",0	;
FL_D3_FILE6	dc.b 	"02010217",0	;
FL_D3_FILE7	dc.b 	"02011906",0
FL_D3_FILE8	dc.b 	"02011F04",0
FL_D3_FILE9	dc.b 	"02012416",0
FL_D3_FILEA	dc.b 	"02013A0A",0
FL_D3_FILEB	dc.b 	"02014408",0

; Disk4
FL_BOOTNAME_D4:	dc.b	"03000000.BOOT",0	;
FL_D4_FILE1	dc.b 	"0300021C",0	;
FL_D4_FILE2	dc.b 	"03001E07",0	;
FL_D4_FILE3	dc.b 	"03002504",0	;
FL_D4_FILE4	dc.b 	"03002A1A",0	;
FL_D4_FILE5	dc.b 	"03004407",0	;
FL_D4_FILE6	dc.b 	"03004B03",0	;
FL_D4_FILE7	dc.b 	"03010119",0
FL_D4_FILE8	dc.b 	"03011A06",0
FL_D4_FILE9	dc.b 	"03012003",0
FL_D4_FILEA	dc.b 	"03012319",0
FL_D4_FILEB	dc.b 	"03013C08",0
FL_D4_FILEC	dc.b 	"03014403",0
FL_D4_FILED	dc.b 	"03014708",0


;------------------------ MFM decode Twilight1 ------------------------------------

DMFM_Twilight1:
;.t	bra	.t
	movem.l	d1-a6,-(a7)
	;sub.l	#10,a0
	move.l 	a0,a2
	move.l	a1,a3
_Decode_Twilight1_1400

	MOVE.L	#$55555555,D5
	LEA	(8,A2),A0
	BSR.W	_DecodeTwi1_CRC
	MOVE.L	D0,D7
	LEA	($10,A2),A0
	MOVE.W	#$2800,D1
	BSR.B	_DecodeTwi1_scan

	CMP.L	D0,D7
	BNE.W	_ERR

	LEA	($10,A2),A0
	MOVE.W	#$1400,D0
	BSR.B	_DecodeTwi1

	moveq	#IERR_OK,d0
	movem.l	(a7)+,d1-a6
	rts
_ERR
	movem.l	(a7)+,d1-a6
	moveq	#IERR_CHECKSUM,d0
	rts


_DecodeTwi1_scan
	LSR.W	#2,D1
	MOVE.L	(A0)+,D0
	SUBQ.W	#2,D1
.enc	MOVE.L	(A0)+,D2
	EOR.L	D2,D0
	DBRA	D1,.enc
	AND.L	D5,D0
	RTS

_DecodeTwi1_CRC
	MOVE.L	(A0)+,D0
	MOVE.L	(A0)+,D1
	AND.L	D5,D0
	AND.L	D5,D1
	ADD.L	D0,D0
	OR.L	D1,D0
	RTS

_DecodeTwi1
	LEA	(A0,D0.W),A1
	LSR.W	#2,D0
	SUBQ.W	#1,D0
.enc	MOVE.L	(A0)+,D1
	MOVE.L	(A1)+,D2
	AND.L	D5,D1
	AND.L	D5,D2
	ADD.L	D1,D1
	OR.L	D2,D1
	MOVE.L	D1,(A3)+
	DBRA	D0,.enc
	RTS

;*************************************** End of Twiligh1 code


;******************************************************************************************
;****************************** Support for DOS TRACK ($1600) version by Galahad  on 01/2004 
;******************************************************************************************


_FileNameGen.MSG
	db	'00000000',0,0
	even

DSK_1	dl	DSK_2			; Pointer to next disk structure
	dw	1			; Disk structure version
	dw	DFLG_NORESTRICTIONS	; Disk flags
	dl	TL_1			; List of tracks which contain data
	dl	0			; UNUSED, ALWAYS SET TO 0!
	dl	FL_NULL			; List of files to be saved	; FL_DISKIMAGE
	dl	0			; Table of certain tracks with CRC values
	dl	0			; Alternative disk structure, if CRC failed
	dl	0			; Called before a disk is read
	dl	_SaveFileDisk1		; Called after a disk has been read


DSK_2	dl	DSK_3			; Pointer to next disk structure
	dw	1			; Disk structure version
	dw	DFLG_NORESTRICTIONS	; Disk flags
	dl	TL_2			; List of tracks which contain data
	dl	0			; UNUSED, ALWAYS SET TO 0!
	dl	FL_NULL			; List of files to be saved
	dl	0			; Table of certain tracks with CRC values
	dl	0			; Alternative disk structure, if CRC failed
	dl	0			; Called before a disk is read
	dl	_SaveFileDisk2		; Called after a disk has been read


DSK_3	dl	DSK_4			; Pointer to next disk structure
	dW	1			; Disk structure version
	DW	DFLG_NORESTRICTIONS	; Disk flags
	dl	TL_2			; List of tracks which contain data
	dl	0			; UNUSED, ALWAYS SET TO 0!
	dl	FL_NULL			; List of files to be saved
	dl	0			; Table of certain tracks with CRC values
	dl	0			; Alternative disk structure, if CRC failed
	dl	0			; Called before a disk is read
	dl	_SaveFileDisk3		; Called after a disk has been read


DSK_4	dl	0			; Pointer to next disk structure
	dw	1			; Disk structure version
	dw	DFLG_NORESTRICTIONS	; Disk flags
	dl	TL_2			; List of tracks which contain data
	dl	0			; UNUSED, ALWAYS SET TO 0!
	dl	FL_NULL			; List of files to be saved
	dl	0			; Table of certain tracks with CRC values
	dl	0			; Alternative disk structure, if CRC failed
	dl	0			; Called before a disk is read
	dl	_SaveFileDisk4		; Called after a disk has been read


;-------------------------- Track List DOS version ------------------

TL_1	TLENTRY	0,$50,$1600,SYNC_STD,DMFM_STD
        TLEND

TL_2	
	TLENTRY 0,0,$1600,SYNC_STD,DMFM_STD
	TLENTRY 1,1,$1600,SYNC_STD,DMFM_NULL
	TLENTRY $2,$9f,$1600,SYNC_STD,DMFM_STD
        TLEND

;-------------------------- Save files code  DOS version ------------------

_SaveFileDisk4
	LEA	(_FileListD4,PC),A1
	MOVEQ	#$34,D7
	BRA.B	_SaveFileCommon

_SaveFileDisk3
	LEA	(_FileListD3,PC),A1
	MOVEQ	#$33,D7
	BRA.B	_SaveFileCommon

_SaveFileDisk2
	LEA	(_FileListD2,PC),A1
	MOVEQ	#$32,D7
	BRA.B	_SaveFileCommon

_SaveFileDisk1
	LEA	(_FileListD1,PC),A1
	MOVEQ	#$31,D7

_SaveFileCommon
.next	MOVEM.L	(A1)+,D0/D1
	CMPI.L	#-1,D0
	BEQ.B	.end

	BSR.B	_ConvertName_NUMtoASCII

	MULU.W	#$200,D0
	LEA	(_FileNameGen.MSG,PC),A0
	MOVE.B	D7,(A0)
	JSR	rawdic_SaveDiskFile(a5)
	BRA.B	.next

.end
	MOVEQ	#0,D0
	RTS

_ConvertName_NUMtoASCII
	MOVEM.L	D0-D7/A0-A6,-(SP)
	MOVEA.L	A0,A1
	LEA	(_FileNameGen.MSG,PC),A2
	MOVEA.L	A2,A3
	MOVE.L	D0,D2
	MOVEQ	#7,D3
.enc	ROL.L	#4,D2
	MOVE.L	D2,D4
	AND.L	#15,D4
	ADD.L	#$30,D4
	CMPI.L	#$39,D4
	BLS.B	.skip
	ADDQ.L	#7,D4
.skip
	MOVE.B	D4,(A2)+
	DBRA	D3,.enc
	MOVEM.L	(SP)+,D0-D7/A0-A6
	RTS

;-------------------------- File List DOS version ------------------
	dw	0
_FileListD1
	dl	$040,$5B200
	dl	-1,-1

_FileListD2
	dl	$016,$20000
	dl	$116,$8A00
	dl	$15B,$3E00
	dl	$17A,$1EC00
	dl	$270,$8400
	dl	$2B2,$2600
	dl	$2C5,$1C800
	dl	$3A9,$6E00
	dl	$3E0,$1D800
	dl	$4CC,$8200
	dl	$50D,$E400
	dl	-1,-1

_FileListD3
	dl	$016,$2B000
	dl	$16E,$B000
	dl	$1C6,$5200
	dl	$1EF,$1A600
	dl	$2C2,$8000
	dl	$326,$1C400
	dl	$408,$7000
	dl	$440,$4400
	dl	$462,$1B400
	dl	$53C,$C800
	dl	$5A0,$9E00
	dl	-1,-1
_FileListD4
	dl	$016,$22000
	dl	$126,$7C00
	dl	$164,$3E00
	dl	$183,$20600
	dl	$286,$8800
	dl	$2CA,$2A00
	dl	$2DF,$1EE00
	dl	$3D6,$7200
	dl	$40F,$3C00
	dl	$42D,$1E800
	dl	$521,$9400
	dl	$56B,$2A00
	dl	$580,$9600
	dl	-1,-1


	END