*	OUT N
START	EQU $A800
MEMORY	EQU $A800


BUFR	EQU $32

ROWCRS	EPZ $54
COLCRS	EPZ $55

ICCOM	EQU $342
ICBAL	EQU $344
ICBAH	EQU $345
ICBLL	EQU $348
ICBLH	EQU $349
ICAUX1	EQU $34A


RUNAD	EQU $02E0

DDEVIC	EQU $0300
DUNIT	EQU $0301
DCOMND	EQU $0302
DSTATS	EQU $0303
DBUFLO	EQU $0304
DBUFHI	EQU $0305
DTIM	EQU $0306
DBYTLO	EQU $0308
DBYTHI	EQU $0309
DAUX1	EQU $030A
DAUX2	EQU $030B


CIOV	EQU $E456



DBUFR	EQU $5000


LNTITL	EQU 4
LNCMD	EQU 10
LNSENS	EQU 12

	ORG RUNAD
	DFW PRGSTART


	ORG START+$0800,MEMORY+$0800

PRGSTART	KOPEN
	LDA #0
	STA BUFPOS

	COPYOUT
	SEARCD
	LDA CDID
	BMI PRGENDE

	READTOC
	TOCOUT

	KEYBEF
	KCLOSE

PRGENDE	RTS






NEXTTRK	LDX CURTRK	
	CPX LTRK
	INX
	STX CURTRK
	TXA
	PLAYTRK
	RTS


PREVTRK	LDX CURTRK	
	CPX FTRK
	DEX
	STX CURTRK
	TXA
	PLAYTRK
	RTS



GOASPI	JMPASPI
	BPL GASPI20
	CPY #$C2
	BNE GASPI20
	LDA CDID
	REQSEN
	LDA DBUFR+2
	CMP #2		; NO MEDIA
	BNE GASPI10
	LDA DBUFR+12
	CMP #4		; NOT READY
	BEQ GASPI08
	LDX #TNOCD:L
	LDY #TNOCD:H
	LDA #13
	CHROUT
	RTS

GASPI08	CSETDCB
	LDA #CMDTUR:L
	STA DAUX1
	LDA #CMDTUR:H
	STA DAUX2

	LDA CDID
	STA CMDTUR

	LDA #0
	STA DBYTLO
	STA DBYTHI
	BEQ GOASPI

GASPI10	CMP #8		; WRONG TYPE
	BNE GASPI12
	LDX #TNOCD:L
	LDY #TNOCD:H
	LDA #7
	CHROUT
	RTS

GASPI12	CMP #6		; MEDIA CHANGED
	BNE GASPI20
GASPI18	READTOC
	BMI GASPI20
	TOCOUT

GASPI20	RTS


JMPASPI	JMP ($0002)


PAUSE	LDA RESUME
	BPL PAUS00
	LDA CURTRK
	PLAYTRK
	RTS	

PAUS00	TAX
	BEQ PAUS04
	LDX #$FF
PAUS04	INX
	STX RESUME
	STA CMDRES+8+2

	CSETDCB

	LDA #0
	STA DBYTLO
	LDA #0
	STA DBYTHI

	LDA #CMDRES:L
	STA DAUX1
	LDA #CMDRES:H
	STA DAUX2

	LDA CDID
	STA CMDRES

	GOASPI

	RTS	


SEARCD	LDA #$FF
	STA CDID
	LDA #$0
	STA CMDINQ


SEAR00	CSETDCB
	LDA #36
	STA DBYTLO
	LDA #0
	STA DBYTHI
	LDA #CMDINQ:L
	STA DAUX1
	LDA #CMDINQ:H
	STA DAUX2

	GOASPI
	BMI SEAR08

SEAR04	LDA DBUFR
	AND #%00011111
	CMP #$5
	BEQ SEAR12

SEAR08	INC CMDINQ
	LDA CMDINQ
	CMP #7
	BNE SEAR00

NOTFOUND	LDX #TNOTF:L
	LDY #TNOTF:H
	LDA #23
	CHROUT
	RTS


SEAR12	LDA CMDINQ
	STA CDID

	LDX #TCDROM:L
	LDY #TCDROM:H
	LDA #6
	CHROUT

	LDA CDID
	BCDOUT

	SPACEOUT

	LDX #DBUFR+8:L
	LDY #DBUFR+8:H
	LDA #24
	CHROUT

	NEWLINE

	RTS



READTOC	CSETDCB

	LDA #0
	STA DBYTLO
	LDA #1
	STA DBYTHI

	LDA #CMDRDTOC:L
	STA DAUX1
	LDA #CMDRDTOC:H
	STA DAUX2

	LDA CDID
	STA CMDRDTOC

	JMP GOASPI



*READTOC	RDTOC00


CMDOUT	LDA #LNCMD-1
	STA ROWCRS
	NEWLINE
	LDX #TCMD:L
	LDY #TCMD:H
	LDA #32
	JMP CHROUT




TOCOUT	LDA #LNTITL-1
	STA ROWCRS

	NEWLINE

	DELLINE
	DELLINE
	DELLINE
	DELLINE
	DELLINE
	DELLINE

	LDA DBUFR+3
	STA LTRK
	LDA DBUFR+2
	STA FTRK


	LDA FTRK
RDTOC06	PHA
	DECOUT
	SPACEOUT
	PLA
	PHA
	ASL
	ASL
	ASL
	TAX
	LDA DBUFR+10,X
	SEC
	SBC DBUFR+2,X
	BCS TOC02
	ADC #60	
TOC02	PHA
	LDA DBUFR+9,X
	SBC DBUFR+1,X
	DECOUT
	LDA #':
	AKOUT
	PLA
	DECOUT
	SPACEOUT
	PLA
	PHA
	AND #%00000011
	BNE RDTOC07
TOCO04	NEWLINE
RDTOC07	PLA
	CLC
	ADC #1
	CMP LTRK
	BCC RDTOC06
	BEQ RDTOC06
	LDA #$FF
	STA RESUME
	LDA FTRK
	STA CURTRK
RDTOC08	NEWLINE
	CMDOUT
	RTS

PLAYTRK	STA CMDPLTRK+4+2
	STA CURTRK
	LDA #0
	STA RESUME

	LDA LTRK
	STA CMDPLTRK+7+2

	CSETDCB

	LDA #0
	STA DBYTLO
	LDA #0
	STA DBYTHI

	LDA #CMDPLTRK:L
	STA DAUX1
	LDA #CMDPLTRK:H
	STA DAUX2

	LDA CDID
	STA CMDPLTRK

	JMP GOASPI


REQSEN	PHA
	CSETDCB

	LDA #$FF
	STA DBYTLO
	LDA #$00
	STA DBYTHI

	LDA #CMDREQS:L
	STA DAUX1
	LDA #CMDREQS:H
	STA DAUX2

	PLA
	STA CMDREQS
	GOASPI

	BPL REQS00
	BRK

REQS00	LDA #LNSENS-1
	STA ROWCRS
	NEWLINE
	LDA CMDREQS
	BCDOUT
	LDA #$20
	AKOUT

	LDA DBUFR+2
	BCDOUT
	LDA #$20
	AKOUT
	LDA DBUFR+12
	HEXOUT
	LDA DBUFR+13
	HEXOUT
	SPACEOUT
	INC SENCOUN
	LDA SENCOUN
	HEXOUT

	LDA #$9B
	AKOUT


	RTS


CSETDCB	LDY #$7
CSDCB01	LDA CMDDCB,Y
	STA DDEVIC,Y
	DEY
	BPL CSDCB01
	RTS

COPYOUT	LDX #TCOPY:L
	LDY #TCOPY:H
	LDA #38
	CHROUT
	RTS

ESCAPE	PLA
	PLA
	RTS


OPTRAY	CSETDCB

	LDA #0
	STA DBYTLO
	STA DBYTHI

	LDA #CMDLOAD:L
	STA DAUX1
	LDA #CMDLOAD:H
	STA DAUX2

	LDA CDID
	STA CMDLOAD

	GOASPI

	LDA CMDLOAD+6
	EOR #%00000001
	STA CMDLOAD+6

	RTS




CHID	RTS

CHID1	LDA #1
	BNE CHID

CHID2	LDA #2
	BNE CHID

CHID3	LDA #3
	BNE CHID

CHID4	LDA #4
	BNE CHID

CHID5	LDA #5
	BNE CHID

CHID6	LDA #6
	BNE CHID

CHID0	LDA #0
	BEQ CHID


CHCMD	RTS

CHCMD1	LDA #1
	BNE CHCMD

CHCMD2	LDA #2
	BNE CHCMD

CHCMD3	LDA #3
	BNE CHCMD

CHCMD4	LDA #4
	BNE CHCMD

CHCMD5	LDA #5
	BNE CHCMD

CHCMD6	LDA #6
	BNE CHCMD

CHCMD7	LDA #7
	BNE CHCMD

CHCMD8	LDA #8
	BNE CHCMD

CHCMD9	LDA #9
	BNE CHCMD

CHCMD0	LDA #0
	BEQ CHCMD


EXECUTE	RTS


CHMODE	RTS



KBEF00	JSR KBEF08
KEYBEF	AKIN
	LDY #$FD
KBEF04	INY
	INY
	INY
	CPY #(BEFTBEND-BEFTBL)
	BEQ KEYBEF
	CMP BEFTBL,Y
	BNE KBEF04
	BEQ KBEF00

KBEF08	LDA BEFTBL+2,Y
	PHA
	LDA BEFTBL+1,Y
	PHA
	RTS


BEFTBL	DFB $1B
	DFW ESCAPE-1

	ASC "P"
	DFW PAUSE-1

	ASC ">"
	DFW NEXTTRK-1

	ASC "<"
	DFW PREVTRK-1

	ASC "O"
	DFW OPTRAY-1

BEFTBEND	EQU *

	ASC "M"
	DFW CHMODE-1


*	ASC "C"
*	DFW CLBUFO-1

	ASC "1"
	DFW CHCMD1-1

	ASC "2"
	DFW CHCMD2-1

	ASC "3"
	DFW CHCMD3-1

	ASC "4"
	DFW CHCMD4-1

	ASC "5"
	DFW CHCMD5-1

	ASC "6"
	DFW CHCMD6-1

	ASC "7"
	DFW CHCMD7-1

	ASC "8"
	DFW CHCMD8-1

	ASC "9"
	DFW CHCMD9-1

	ASC "0"
	DFW CHCMD0-1



	ASC "!"
	DFW CHID1-1

	ASC !"!
	DFW CHID2-1

	ASC "#"
	DFW CHID3-1

	ASC "$"
	DFW CHID4-1

	ASC "%"
	DFW CHID5-1

	ASC "&"
	DFW CHID6-1

	ASC ")"
	DFW CHID0-1



*BEFTBEND	EQU *

AKIN	LDX #$10
	LDA #0
	STA ICBLL,X
	STA ICBLH,X
	LDA #7
	STA ICCOM,X
	JMP CIOV

KOPEN	LDX #$10
	LDA #KDEV:L
	STA ICBAL,X
	LDA #KDEV:H
	STA ICBAH,X
	LDA #4
	STA ICAUX1,X
	LDA #3
	STA ICCOM,X
	JMP CIOV

KCLOSE	LDX #$10
	LDA #12
	STA ICCOM,X
	JMP CIOV	

KDEV	ASC "K:"
	DFB $9B

DELLINE	LDA #$9C
	JMP OAKOUT

NEWLINE	LDA #$9B
	BNE AKOUT

SPACEOUT	LDA #$20
	BNE AKOUT


DECTEMP	DFB 0



DECOUT	LDX #0
	SEC
DECO02	SBC #10
	BCC DECO04
	INX
	BNE DECO02
DECO04	ADC #10
	STA DECTEMP
	TXA
	ASL
	ASL
	ASL
	ASL
	ORA DECTEMP	

HEXOUT	PHA
	LSR
	LSR
	LSR
	LSR
	BCDOUT
	PLA
BCDOUT	AND #%00001111
	CMP #10
	BCC BCDO00
	ADC #6
BCDO00	ADC #$30

AKOUT	LDX BUFPOS
	STA LINBUF,X
	INC BUFPOS
	CMP #$9B
	BEQ AKO00
	RTS
AKO00	LDX #0
	LDA #LINBUF:L
	STA ICBAL,X
	LDA #LINBUF:H
	STA ICBAH,X
	LDA #80
	STA ICBLH,X
	LDA #0
	STA ICBLL,X
	LDA #9
	STA ICCOM,X
	JSR CIOV
	LDA #0
	STA BUFPOS
	RTS

CHROUT	STY BUFR+1
	STX BUFR
	STA ATEMP
CHRO04	LDY #0
	LDX BUFPOS
	LDA (BUFR),Y
	STA LINBUF,X
	INC BUFPOS
	CMP #$9B	
	BNE CHRO08
	LDX BUFR
	STX XTEMP
	LDY BUFR+1
	STY YTEMP
	LDX #LINBUF:L
	LDY #LINBUF:H
	AKO00
	LDA XTEMP
	STA BUFR
	LDA YTEMP
	STA BUFR+1
CHRO08	INC BUFR
	BNE CHRO10
	INC BUFR+1
CHRO10	DEC ATEMP
	BNE CHRO04
	RTS


LINBUF	ASC "                                     "
	ASC "                                     "
BUFPOS	DFB 0

YTEMP	DFB 0
XTEMP	DFB 0
ATEMP	DFB 0

OAKOUT	PHA
	LDX #0
	LDA #0
	STA ICBLL,X
	STA ICBLH,X
	LDA #11
	STA ICCOM,X
	PLA
	JMP CIOV

CMDDCB	DFB $70
	DFB 1
	DFB $02
	DFB $40
	DFW DBUFR
	DFB $01
	DFB 0


TCOPY	DFB $7D
	DFB $9B
	ASC "ATASPI CDPLAY V0.20 (c) 2000 by msc"
	DFB $9B


TNOTF	DFB $9B
	ASC "no CD-ROM drive found"
	DFB $9B

TNOCD	DFB $9B
	ASC "no audio CD"
	DFB $9B


TCDROM	ASC "CD: Id"

TCMD	ASC /P/
	ASC "lay/Pause "
	ASC /O/
	ASC "pen "
	ASC /</
	ASC "prev "
	ASC />/
	ASC "next "
	ASC /ESC/
	DFB $9B

CMDREQS	DFB 0
	DFB 6
	DFB 3,0,0,0
	DFB $FF
	DFB 0

CMDRDTOC	DFB 0
	DFB 10
	DFB $43
	DFB %00000010
	DFB 0,0,0,0,0
	DFB 1,0
	DFB 0

CMDINQ	DFB 0		;ID
	DFB 6
	DFB $12		;CMD
	DFB 0
	DFB 0		;LUN
	DFB 0		;RES
	DFB 36		;DATALEN
	DFB 0

CMDTUR	DFB 0		;ID
	DFB 6
	DFB 0		;CMD
	DFB 0
	DFB 0		;LUN
	DFB 0		;RES
	DFB 0		;DATALEN
	DFB 0

CMDRES	DFB 4
	DFB 10

	DFB $4B
	DFB 0
	DFB 0,0
	DFB 0
	DFB 0,0
	DFB 0
	DFB 0,0


CMDPLTRK	DFB 4
	DFB 10

	DFB $48
	DFB 0
	DFB 0,0
	DFB 2
	DFB 0,0
	DFB 4
	DFB 0,0

CMDLOAD	DFB 0	; TID
	DFB 6	; LEN
	DFB $1B	;
	DFB %00000000
	DFB 0,0
	DFB %00000010
	DFB 0

VARIAB	EQU *

CDID	EQU VARIAB
RETRY	EQU CDID+1
FTRK	EQU RETRY+1
LTRK	EQU FTRK+1
CURTRK	EQU LTRK+1
RESUME	EQU CURTRK+1
SENCOUN	EQU RESUME+1

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