BizHawk/libgambatte/src/mem/cartridge.h

113 lines
4.2 KiB
C++

/***************************************************************************
* Copyright (C) 2007-2010 by Sindre Aamås *
* aamas@stud.ntnu.no *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License version 2 as *
* published by the Free Software Foundation. *
* *
* 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 version 2 for more details. *
* *
* You should have received a copy of the GNU General Public License *
* version 2 along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef CARTRIDGE_H
#define CARTRIDGE_H
#include "memptrs.h"
#include "rtc.h"
#include "savestate.h"
#include <memory>
#include <string>
#include <vector>
#include "newstate.h"
namespace gambatte {
//DOOM
//enum eAddressMappingType
//{
// eAddressMappingType_ROM,
// eAddressMappingType_RAM
//};
//
//struct AddressMapping
//{
// int32_t address;
// eAddressMappingType type;
//};
class Mbc {
public:
virtual ~Mbc() {}
virtual void romWrite(unsigned P, unsigned data) = 0;
virtual void loadState(const SaveState::Mem &ss) = 0;
virtual bool isAddressWithinAreaRombankCanBeMappedTo(unsigned address, unsigned rombank) const = 0;
//virtual void mapAddress(AddressMapping* mapping, unsigned address) const = 0; //DOOM
template<bool isReader>void SyncState(NewState *ns)
{
// can't have virtual templates, so..
SyncState(ns, isReader);
}
virtual void SyncState(NewState *ns, bool isReader) = 0;
};
class Cartridge {
MemPtrs memptrs;
Rtc rtc;
std::auto_ptr<Mbc> mbc;
public:
void setStatePtrs(SaveState &);
void loadState(const SaveState &);
bool loaded() const { return mbc.get(); }
const unsigned char * rmem(unsigned area) const { return memptrs.rmem(area); }
unsigned char * wmem(unsigned area) const { return memptrs.wmem(area); }
unsigned char * vramdata() const { return memptrs.vramdata(); }
unsigned char * romdata(unsigned area) const { return memptrs.romdata(area); }
unsigned char * wramdata(unsigned area) const { return memptrs.wramdata(area); }
const unsigned char * rdisabledRam() const { return memptrs.rdisabledRam(); }
const unsigned char * rsrambankptr() const { return memptrs.rsrambankptr(); }
unsigned char * wsrambankptr() const { return memptrs.wsrambankptr(); }
unsigned char * vrambankptr() const { return memptrs.vrambankptr(); }
OamDmaSrc oamDmaSrc() const { return memptrs.oamDmaSrc(); }
void setVrambank(unsigned bank) { memptrs.setVrambank(bank); }
void setWrambank(unsigned bank) { memptrs.setWrambank(bank); }
void setOamDmaSrc(OamDmaSrc oamDmaSrc) { memptrs.setOamDmaSrc(oamDmaSrc); }
void mbcWrite(unsigned addr, unsigned data) { mbc->romWrite(addr, data); }
bool isCgb() const { return gambatte::isCgb(memptrs); }
void rtcWrite(unsigned data) { rtc.write(data); }
unsigned char rtcRead() const { return *rtc.getActive(); }
void loadSavedata(const char *data);
int saveSavedataLength();
void saveSavedata(char *dest);
bool getMemoryArea(int which, unsigned char **data, int *length) const;
int loadROM(const char *romfiledata, unsigned romfilelength, bool forceDmg, bool multicartCompat);
const char * romTitle() const { return reinterpret_cast<const char *>(memptrs.romdata() + 0x134); }
void setRTCCallback(std::uint32_t (*callback)()) {
rtc.setRTCCallback(callback);
}
template<bool isReader>void SyncState(NewState *ns);
};
}
#endif