REDRIVER2/src_rebuild/EMULATOR/LIBCD.H

#ifndef LIBCD_H
#define LIBCD_H

#include "TYPES.H"


#define DECODE_BCD(x) (((x) >> 4) * 10 + ((x) & 0xF))
#define ENCODE_BCD(x) ((((x) / 10) << 4) | ((x) % 10))

#define CdlModeStream  0x100    /* Normal Streaming                     */
#define CdlModeStream2 0x120    /* SUB HEADER information includes      */
#define CdlModeSpeed	0x80	/* 0: normal speed	1: double speed	*/
#define CdlModeRT	0x40	/* 0: ADPCM off		1: ADPCM on	*/
#define CdlModeSize1	0x20	/* 0: 2048 byte		1: 2340byte	*/
#define CdlModeSize0	0x10	/* 0: -			1: 2328byte	*/
#define CdlModeSF	0x08	/* 0: Channel off	1: Channel on	*/
#define CdlModeRept  	0x04	/* 0: Report off	1: Report on	*/
#define CdlModeAP	0x02	/* 0: AutoPause off	1: AutoPause on */
#define CdlModeDA	0x01	/* 0: CD-DA off		1: CD-DA on	*/

/*
 * Status Contents
 */
#define CdlStatPlay		0x80	/* playing CD-DA */
#define CdlStatSeek		0x40	/* seeking */
#define CdlStatRead		0x20	/* reading data sectors */
#define CdlStatShellOpen	0x10	/* once shell open */
#define CdlStatSeekError	0x04	/* seek error detected */
#define CdlStatStandby		0x02	/* spindle motor rotating */
#define CdlStatError		0x01	/* command error detected */

/*
 * Macros for CdGetDiskType()
 */
#define CdlStatNoDisk	0
#define CdlOtherFormat	1
#define CdlCdromFormat	2

/*
 * CD-ROM Primitive Commands
 */
#define CdlNop		0x01
#define CdlSetloc	0x02
#define CdlPlay		0x03
#define CdlForward	0x04
#define CdlBackward	0x05
#define CdlReadN	0x06
#define CdlStandby	0x07
#define CdlStop		0x08
#define CdlPause	0x09
#define CdlMute		0x0b
#define CdlDemute	0x0c
#define CdlSetfilter	0x0d
#define CdlSetmode	0x0e
#define CdlGetparam	0x0f
#define CdlGetlocL	0x10
#define CdlGetlocP	0x11
#define CdlGetTN	0x13
#define CdlGetTD	0x14
#define CdlSeekL	0x15
#define CdlSeekP	0x16
#define CdlReadS	0x1B

/*
 * Interrupts
 */
#define CdlNoIntr	0x00	/* No interrupt */
#define CdlDataReady	0x01	/* Data Ready */
#define CdlComplete	0x02	/* Command Complete */
#define CdlAcknowledge	0x03	/* Acknowledge (reserved) */
#define CdlDataEnd	0x04	/* End of Data Detected */
#define CdlDiskError	0x05	/* Error Detected */

/*
 * Library Macros
 */
#ifndef btoi
#define btoi(b)		((b)/16*10 + (b)%16)		/* BCD to u_char */
#endif
#ifndef itob
#define itob(i)		((i)/10*16 + (i)%10)		/* u_char to BCD */
#endif

#define CdSeekL(p)	CdControl(CdlSeekL, (u_char *)p, 0)
#define CdSeekP(p)	CdControl(CdlSeekP, (u_char *)p, 0)
#define CdStandby()	CdControl(CdlStandby,  0, 0)
#define CdPause()	CdControl(CdlPause,    0, 0)
#define CdStop()	CdControl(CdlStop,     0, 0)
#define CdMute()	CdControl(CdlMute,     0, 0)
#define CdDeMute()	CdControl(CdlDemute,   0, 0)
#define CdForward()	CdControl(CdlForward,  0, 0)
#define CdBackward()	CdControl(CdlBackward, 0, 0)

/*
 *	Position
 */
#define CdlMAXTOC	100

/*
 *	Callback
 */

typedef void (*CdlCB)(u_char,u_char *);

/*
 *	Location
 */
typedef struct {
	u_char minute;		/* minute (BCD) */
	u_char second;		/* second (BCD) */
	u_char sector;		/* sector (BCD) */
	u_char track;		/* track (void) */
} CdlLOC;

/*
 *	ADPCM Filter
 */
typedef struct {
	u_char	file;		/* file ID (always 1) */
	u_char	chan;		/* channel ID */
	u_short	pad;
} CdlFILTER;

/*
 *	Attenuator
 */
typedef struct {
	u_char	val0;		/* volume for CD(L) -> SPU (L) */
	u_char	val1;		/* volume for CD(L) -> SPU (R) */
	u_char	val2;		/* volume for CD(R) -> SPU (L) */
	u_char	val3;		/* volume for CD(R) -> SPU (R) */
} CdlATV;	

/*
 *	Low Level File System for CdSearchFile() 
 */
#define CdlMAXFILE	64	/* max number of files in a diRECT16ory */
#define CdlMAXDIR	128	/* max number of total diRECT16ories */
#define CdlMAXLEVEL	8	/* max levels of diRECT16ories */

typedef struct {
	CdlLOC	pos;		/* file location */
	u_long	size;		/* file size */
	char	name[16];	/* file name (body) */
} CdlFILE;


/*#define MULTI_INTERRUPT */
#ifndef MULTI_INTERRUPT
#define pauseMULI()
#define restartMULI()
#endif

/*
 *	Streaming Structures
 */
typedef struct {
    u_short id;
    u_short type;
    u_short secCount;
    u_short nSectors;
    u_long  frameCount;
    u_long  frameSize;

    u_short width;
    u_short height;
    u_long  dummy1;
    u_long  dummy2;
    CdlLOC  loc;
} StHEADER;             /* CD-ROM STR structure */

#define  StFREE       0x0000
#define  StREWIND     0x0001
#define  StCOMPLETE   0x0002
#define  StBUSY       0x0003
#define  StLOCK       0x0004

#define  EDC 0
#define  SECTOR_SIZE (512)	/* Sector Size (word) */
#define  HEADER_SIZE (8)	/* Header Size (word) */

#define  StSTATUS         0x00
#define  StVER            0x00
#define  StTYPE           0x01
#define  StSECTOR_OFFSET  0x02
#define  StSECTOR_SIZE    0x03
#define  StFRAME_NO       0x04
#define  StFRAME_SIZE     0x06

#define  StMOVIE_WIDTH    0x08
#define  StMOVIE_HEIGHT   0x09


void	StSetRing(u_long *ring_addr,u_long ring_size);
void	StClearRing(void);
void	StUnSetRing(void);
void	StSetStream(u_long mode,u_long start_frame,u_long end_frame,
		    void (*func1)(),void (*func2)());
void	StSetEmulate(u_long *addr,u_long mode,u_long start_frame,
		     u_long end_frame,void (*func1)(),void (*func2)());
u_long	StFreeRing(u_long *base);
u_long	StGetNext(u_long **addr,u_long **header);
u_long	StGetNextS(u_long **addr,u_long **header);
u_short	StNextStatus(u_long **addr,u_long **header);
void    StRingStatus(short *free_sectors,short *over_sectors);
void	StSetMask(u_long mask,u_long start,u_long end);
void	StCdInterrupt(void);
int     StGetBackloc(CdlLOC *loc);
int     StSetChannel(u_long channel);

void CdFlush(void);
CdlFILE *CdSearchFile(CdlFILE *fp, char *name);
CdlLOC *CdIntToPos(int i, CdlLOC *p) ;
char *CdComstr(u_char com);
char *CdIntstr(u_char intr);
int CdControl(u_char com, u_char *param, u_char *result);
int CdControlB(u_char com, u_char *param, u_char *result);
int CdControlF(u_char com, u_char *param);
int CdGetSector(void *madr, int size);
int CdGetSector2( void* madr, int size );
int CdDataSync(int mode);
int CdGetToc(CdlLOC *loc) ;
int CdPlay(int mode, int *track, int offset);
int CdMix(CdlATV *vol);
int CdPosToInt(CdlLOC *p);
int CdRead(int sectors, u_long *buf, int mode);
int CdRead2(long mode);
int CdReadFile(char *file, u_long *addr, int nbyte);
int CdReadSync(int mode, u_char *result);
int CdReady(int mode, u_char *result) ;
int CdSetDebug(int level);
int CdSync(int mode, u_char *result) ;
void (*CdDataCallback(void (*func)()));
CdlCB CdReadCallback(CdlCB func);
CdlCB CdReadyCallback(CdlCB func);
CdlCB CdSyncCallback(CdlCB func);
int CdInit(void);
int CdReset(int mode);
int CdStatus(void);
int CdLastCom(void);
CdlLOC *CdLastPos(void);
int CdMode(void);
int CdDiskReady( int mode );
int CdGetDiskType( void );
struct EXEC *CdReadExec(char *file);
void CdReadBreak( void );

#endif