beetle-pce-fast-libretro/mednafen/cdrom/cdromif.h

63 lines
2.0 KiB
C++

/* Mednafen - Multi-system Emulator
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __MDFN_CDROM_CDROMIF_H
#define __MDFN_CDROM_CDROMIF_H
#include <queue>
#include "CDUtility.h"
#include "CDAccess.h"
#include "../Stream.h"
class CDIF
{
public:
CDIF(CDAccess *cda);
virtual ~CDIF();
static const int32_t LBA_Read_Minimum = -150;
static const int32_t LBA_Read_Maximum = 449849; // 100 * 75 * 60 - 150 - 1
inline void ReadTOC(TOC *read_target)
{
*read_target = disc_toc;
}
virtual void HintReadSector(int32_t lba) = 0;
virtual bool ReadRawSector(uint8_t *buf, int32_t lba) = 0; // Reads 2352+96 bytes of data into buf.
virtual bool ReadRawSectorPWOnly(uint8_t* pwbuf, int32_t lba, bool hint_fullread) = 0; // Reads 96 bytes(of raw subchannel PW data) into pwbuf.
// Call for mode 1 or mode 2 form 1 only.
bool ValidateRawSector(uint8_t *buf);
// Utility/Wrapped functions
// Reads mode 1 and mode2 form 1 sectors(2048 bytes per sector returned)
// Will return the type(1, 2) of the first sector read to the buffer supplied, 0 on error
int ReadSector(uint8_t* buf, int32_t lba, uint32_t sector_count, bool suppress_uncorrectable_message = false);
protected:
bool UnrecoverableError;
TOC disc_toc;
CDAccess *disc_cdaccess;
};
CDIF *CDIF_Open(const std::string& path, bool image_memcache);
#endif