Mesen-X/Core/iNesLoader.cpp

117 lines
4.1 KiB
C++

#include "stdafx.h"
#include "iNesLoader.h"
#include "../Utilities/CRC32.h"
#include "MessageManager.h"
std::unordered_map<uint32_t, uint8_t> iNesLoader::_mapperByCrc = {
//Namco 175 games that are marked as mapper 19 but should be 210, submapper 1
{ 0x0C47946D, 210 }, //Chibi Maruko-chan: Uki Uki Shopping
{ 0x808606F0, 210 }, //Famista 91'
{ 0x81B7F1A8, 210 }, //Heisei Tensai Bakabon
{ 0x46FD7843, 210 }, //Splatterhouse: Wanpaku Graffiti
{ 0x1DC0F740, 210 }, //Wagyan Land 2
//Namco 340 games that are marked as mapper 19 but should be 210, submapper 2
{ 0xBD523011, 210 }, //Dream Master
{ 0xC247CC80, 210 }, //Family Circuit '91
{ 0x6EC51DE5, 210 }, //Famista '92
{ 0xADFFD64F, 210 }, //Famista '93
{ 0x429103C9, 210 }, //Famista '94
{ 0x2447E03B, 210 }, //Top Striker
{ 0xD323B806, 210 }, //Wagnyan Land 3
};
std::unordered_map<uint32_t, uint8_t> iNesLoader::_submapperByCrc = {
//MC-ACC Games (MMC3 variant) - Mapper 4, SubMapper 3
{ 0xC527C297, 3 }, //Alien 3
{ 0xAF05F37E, 3 }, //George Foreman's KO Boxing
{ 0xA80A0F01, 3 }, //Incredible Crash Dummies
{ 0x982DFB38, 3 }, //Mickey's Safari in Letterland
{ 0x018A8699, 3 }, //Roger Clemens' MVP Baseball
{ 0x2370C0A9, 3 }, //Rollerblade Racer
{ 0x7416903F, 3 }, //Simpsons, The: Bart vs. The World
{ 0x5991B9D0, 3 }, //Simpsons, The: Bartman Meets Radioactive Man
{ 0xD679627A, 3 }, //Spider-Man: Return of the Sinister Six
{ 0x7E57FBEC, 3 }, //T&C Surf Designs 2: Thrilla's Surfari
{ 0xEA27B477, 3 }, //T2: Terminator 2: Judgment Day
{ 0x7B4ED0BB, 3 }, //WWF King of the Ring
{ 0xD4611B79, 3 }, //WWF WrestleMania: Steel Cage Challenge
//IREM-G101 - Mapper 32, SubMapper 1
{ 0x243A8735, 1 }, //Major League
//IREM Holy Diver - Mapper 78, SubMapper 1
{ 0xBA51AC6F, 3 }, //Holy Diver
//CAMERICA-BF9097 - Mapper 71, SubMapper 1
{ 0x1BC686A8, 1 }, //Fire Hawk
//Namco 175 games that are marked as mapper 19 but should be 210, submapper 1
{ 0x0C47946D, 1 }, //Chibi Maruko-chan: Uki Uki Shopping
{ 0x808606F0, 1 }, //Famista 91'
{ 0x81B7F1A8, 1 }, //Heisei Tensai Bakabon
{ 0x46FD7843, 1 }, //Splatterhouse: Wanpaku Graffiti
{ 0x1DC0F740, 1 }, //Wagyan Land 2
//Namco 340 games that are marked as mapper 19 but should be 210, submapper 2
{ 0xBD523011, 2 }, //Dream Master
{ 0xC247CC80, 2 }, //Family Circuit '91
{ 0x6EC51DE5, 2 }, //Famista '92
{ 0xADFFD64F, 2 }, //Famista '93
{ 0x429103C9, 2 }, //Famista '94
{ 0x2447E03B, 2 }, //Top Striker
{ 0xD323B806, 2 }, //Wagnyan Land 3
};
RomData iNesLoader::LoadRom(vector<uint8_t>& romFile)
{
RomData romData;
uint8_t* buffer = romFile.data();
NESHeader header;
memcpy((char*)&header, buffer, sizeof(NESHeader));
buffer += sizeof(NESHeader);
header.SanitizeHeader(romFile.size());
romData.MapperID = header.GetMapperID();
romData.SubMapperID = header.GetSubMapper();
romData.MirroringType = header.GetMirroringType();
romData.HasBattery = header.HasBattery();
romData.IsPalRom = header.IsPalRom();
romData.IsVsSystem = header.IsVsSystem();
romData.IsPlayChoice = header.IsPlaychoice();
romData.HasTrainer = header.HasTrainer();
if(romData.HasTrainer) {
//512-byte trainer at $7000-$71FF (stored before PRG data)
romData.TrainerData.insert(romData.TrainerData.end(), buffer, buffer + 512);
buffer += 512;
}
if(header.GetRomHeaderVersion() != RomHeaderVersion::Nes2_0) {
//Check rom CRC to set submapper as needed
uint32_t romCrc = CRC32::GetCRC(buffer, header.GetPrgSize() + header.GetChrSize());
auto crcCheckResult = _mapperByCrc.find(romCrc);
if(crcCheckResult != _mapperByCrc.end()) {
romData.MapperID = crcCheckResult->second;
#ifdef _DEBUG
MessageManager::DisplayMessage("GameInfo", "Mapper number corrected.");
#endif
}
crcCheckResult = _submapperByCrc.find(romCrc);
if(crcCheckResult != _submapperByCrc.end()) {
romData.SubMapperID = crcCheckResult->second;
#ifdef _DEBUG
MessageManager::DisplayMessage("GameInfo", "Submapper number corrected.");
#endif
}
}
romData.PrgRom.insert(romData.PrgRom.end(), buffer, buffer + header.GetPrgSize());
buffer += header.GetPrgSize();
romData.ChrRom.insert(romData.ChrRom.end(), buffer, buffer + header.GetChrSize());
return romData;
}