/* 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 "CDUtility.h" #include "../Stream.h" #include typedef CDUtility::TOC CD_TOC; class CDIF { public: CDIF(); virtual ~CDIF(); inline void ReadTOC(CDUtility::TOC *read_target) { *read_target = disc_toc; } virtual void HintReadSector(uint32 lba) = 0; virtual bool ReadRawSector(uint8 *buf, uint32 lba) = 0; // Call for mode 1 or mode 2 form 1 only. bool ValidateRawSector(uint8 *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* pBuf, uint32 lba, uint32 nSectors); // Return true if operation succeeded or it was a NOP(either due to not being implemented, or the current status matches eject_status). // Returns false on failure(usually drive error of some kind; not completely fatal, can try again). virtual bool Eject(bool eject_status) = 0; inline bool IsPhysical(void) { return(is_phys_cache); } // For Mode 1, or Mode 2 Form 1. // No reference counting or whatever is done, so if you destroy the CDIF object before you destroy the returned Stream, things will go BOOM. Stream *MakeStream(uint32 lba, uint32 sector_count); protected: bool UnrecoverableError; bool is_phys_cache; CDUtility::TOC disc_toc; int DiscEjected; // 0 = inserted, 1 = ejected, -1 = DRAGONS ATE THE DISC. NOM NOM NOM. }; CDIF *CDIF_Open(const char *path, const bool is_device, bool image_memcache); #endif