void BaseMapper::SaveBattery()
{
if(HasBattery()) {
BatteryManager::SaveBattery(".sav", _saveRam, _saveRamSize);
}
if(_hasChrBattery) {
BatteryManager::SaveBattery(".sav.chr", _chrRam, _chrRamSize);
}
}
CCocoaPowerSyscall::~CCocoaPowerSyscall()
{
if (HasBattery())
DeleteOSPowerCallBacks();
}
void BaseMapper::Initialize(RomData &romData)
{
_mapperID = romData.MapperID;
_subMapperID = romData.SubMapperID;
_databaseInfo = romData.DatabaseInfo;
_romName = romData.RomName;
_romFilename = romData.Filename;
_batteryFilename = GetBatteryFilename();
_hasBattery = (romData.HasBattery || ForceBattery());
if(romData.SaveRamSize == -1 || ForceSaveRamSize()) {
_saveRamSize = GetSaveRamSize();
} else {
_saveRamSize = romData.SaveRamSize;
}
if(_saveRamSize == 0) {
_hasBattery = false;
}
if(romData.WorkRamSize == -1 || ForceWorkRamSize()) {
_workRamSize = GetWorkRamSize();
} else {
_workRamSize = romData.WorkRamSize;
}
_allowRegisterRead = AllowRegisterRead();
memset(_isReadRegisterAddr, 0, sizeof(_isReadRegisterAddr));
memset(_isWriteRegisterAddr, 0, sizeof(_isWriteRegisterAddr));
AddRegisterRange(RegisterStartAddress(), RegisterEndAddress(), MemoryOperation::Any);
_nesHeader = romData.NesHeader;
_romFormat = romData.Format;
_mirroringType = romData.Mirroring;
_prgSize = (uint32_t)romData.PrgRom.size();
_chrRomSize = (uint32_t)romData.ChrRom.size();
_originalPrgRom = romData.PrgRom;
_originalChrRom = romData.ChrRom;
_prgRom = new uint8_t[_prgSize];
_chrRom = new uint8_t[_chrRomSize];
memcpy(_prgRom, romData.PrgRom.data(), _prgSize);
if(_chrRomSize > 0) {
memcpy(_chrRom, romData.ChrRom.data(), _chrRomSize);
}
_hasChrBattery = romData.SaveChrRamSize > 0 || ForceChrBattery();
_gameSystem = romData.System;
_hashInfo.Crc32Hash = romData.Crc32;
_hashInfo.PrgCrc32Hash = romData.PrgCrc32;
_hashInfo.PrgChrCrc32Hash = romData.PrgChrCrc32;
_hashInfo.Sha1Hash = romData.Sha1;
_hashInfo.PrgChrMd5Hash = romData.PrgChrMd5;
switch(romData.BusConflicts) {
case BusConflictType::Default: _hasBusConflicts = HasBusConflicts(); break;
case BusConflictType::Yes: _hasBusConflicts = true; break;
case BusConflictType::No: _hasBusConflicts = false; break;
}
_saveRam = new uint8_t[_saveRamSize];
_workRam = new uint8_t[_workRamSize];
BaseMapper::InitializeRam(_saveRam, _saveRamSize);
BaseMapper::InitializeRam(_workRam, _workRamSize);
memset(_prgPageNumbers, 0xEE, sizeof(_prgPageNumbers));
memset(_chrPageNumbers, 0xEE, sizeof(_chrPageNumbers));
memset(_cartNametableRam, 0, sizeof(_cartNametableRam));
memset(_nametableIndexes, 0, sizeof(_nametableIndexes));
for(int i = 0; i <= 0xFF; i++) {
//Allow us to map a different page every 256 bytes
_prgPages[i] = nullptr;
_prgPageAccessType[i] = MemoryAccessType::NoAccess;
_chrPages[i] = nullptr;
_chrPageAccessType[i] = MemoryAccessType::NoAccess;
}
if(_chrRomSize == 0) {
//Assume there is CHR RAM if no CHR ROM exists
_onlyChrRam = true;
InitializeChrRam(romData.ChrRamSize);
//Map CHR RAM to 0x0000-0x1FFF by default when no CHR ROM exists
SetPpuMemoryMapping(0x0000, 0x1FFF, 0, ChrMemoryType::ChrRam);
_chrRomSize = _chrRamSize;
} else if(romData.ChrRamSize >= 0) {
InitializeChrRam(romData.ChrRamSize);
} else if(GetChrRamSize()) {
InitializeChrRam();
}
//Load battery data if present
LoadBattery();
if(romData.HasTrainer) {
if(_workRamSize >= 0x2000) {
memcpy(_workRam + 0x1000, romData.TrainerData.data(), 512);
} else if(_saveRamSize >= 0x2000) {
memcpy(_saveRam + 0x1000, romData.TrainerData.data(), 512);
}
}
//Setup a default work/save ram in 0x6000-0x7FFF space
if(HasBattery() && _saveRamSize > 0) {
SetCpuMemoryMapping(0x6000, 0x7FFF, 0, PrgMemoryType::SaveRam);
} else if(_workRamSize > 0) {
SetCpuMemoryMapping(0x6000, 0x7FFF, 0, PrgMemoryType::WorkRam);
}
InitMapper();
InitMapper(romData);
MessageManager::RegisterNotificationListener(this);
ApplyCheats();
}
