pcsxr/libpcsxcore/cdrom.h

140 lines
3.8 KiB
C

/***************************************************************************
* Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#ifndef __CDROM_H__
#define __CDROM_H__
#ifdef __cplusplus
extern "C" {
#endif
#include "psxcommon.h"
#include "decode_xa.h"
#include "r3000a.h"
#include "plugins.h"
#include "psxmem.h"
#include "psxhw.h"
#include "psxcommon.h"
#define btoi(b) ((b) / 16 * 10 + (b) % 16) /* BCD to u_char */
#define itob(i) ((i) / 10 * 16 + (i) % 10) /* u_char to BCD */
#define MSF2SECT(m, s, f) (((m) * 60 + (s) - 2) * 75 + (f))
#define CD_FRAMESIZE_RAW 2352
#define DATA_SIZE (CD_FRAMESIZE_RAW - 12)
#define SUB_FRAMESIZE 96
typedef struct {
unsigned char OCUP;
unsigned char Reg1Mode;
unsigned char Reg2;
unsigned char CmdProcess;
unsigned char Ctrl;
unsigned char Stat;
unsigned char StatP;
unsigned char Transfer[CD_FRAMESIZE_RAW];
unsigned int transferIndex;
unsigned char Prev[4];
unsigned char Param[8];
unsigned char Result[16];
unsigned char ParamC;
unsigned char ParamP;
unsigned char ResultC;
unsigned char ResultP;
unsigned char ResultReady;
unsigned char Cmd;
unsigned char Readed;
unsigned char SetlocPending;
u32 Reading;
unsigned char ResultTN[6];
unsigned char ResultTD[4];
unsigned char SetSectorPlay[4];
unsigned char SetSectorEnd[4];
unsigned char SetSector[4];
unsigned char Track;
boolean Play, Muted;
int CurTrack;
int Mode, File, Channel;
int Reset;
int RErr;
int FirstSector;
xa_decode_t Xa;
int Init;
u16 Irq;
u8 IrqRepeated;
u32 eCycle;
u8 Seeked;
u8 ReadRescheduled;
u8 DriveState;
u8 FastForward;
u8 FastBackward;
u8 AttenuatorLeftToLeft, AttenuatorLeftToRight;
u8 AttenuatorRightToRight, AttenuatorRightToLeft;
u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT;
u8 AttenuatorRightToRightT, AttenuatorRightToLeftT;
struct {
unsigned char Track;
unsigned char Index;
unsigned char Relative[3];
unsigned char Absolute[3];
} subq;
unsigned char TrackChanged;
} cdrStruct;
extern cdrStruct cdr;
void cdrReset();
void cdrAttenuate(s16 *buf, int samples, int stereo);
void cdrInterrupt();
void cdrReadInterrupt();
void cdrDecodedBufferInterrupt();
void cdrLidSeekInterrupt();
void cdrPlayInterrupt();
void cdrDmaInterrupt();
void LidInterrupt();
unsigned char cdrRead0(void);
unsigned char cdrRead1(void);
unsigned char cdrRead2(void);
unsigned char cdrRead3(void);
void cdrWrite0(unsigned char rt);
void cdrWrite1(unsigned char rt);
void cdrWrite2(unsigned char rt);
void cdrWrite3(unsigned char rt);
int cdrFreeze(gzFile f, int Mode);
#ifdef __cplusplus
}
#endif
#endif