public SfromHeader2(uint romSize, ushort presetId, SnesRomType romType, byte chip)
{
FPS = 60;
RomSize = romSize;
PcmSize = 0;
FooterSize = 0;
PresetID = presetId;
MaxControllers = 2;
Volume = 0x5A;
RomType = (byte)romType;
Chip = chip;
Padding1 = new byte[5];
Unknown3 = 0x00000001;
Unknown4 = 0x00000001;
Padding2 = new byte[13];
}
public SfromHeader2(uint romSize, ushort presetId, SnesRomType romType, uint chip)
{
FPS = 60;
RomSize = romSize;
PcmSize = 0;
FooterSize = 0;
PresetID = presetId;
Mostly2 = 2;
Volume = 100;
RomType = (byte)romType;
Chip = chip;
Unknown1_0x00000000 = 0x00000000;
Unknown2_0x00000100 = 0x00000100;
Unknown3_0x00000100 = 0x00000100;
Unknown4_0x00000000 = 0x00000000;
}
public static SnesRomHeader GetCorrectHeader(byte[] rawRomData, out SnesRomType romType, out string gameTitle)
{
var romHeaderLoRom = SnesRomHeader.Read(rawRomData, 0x7FC0);
var romHeaderHiRom = SnesRomHeader.Read(rawRomData, 0xFFC0);
var titleLo = romHeaderLoRom.GameTitle;
var titleHi = romHeaderHiRom.GameTitle;
// Boring LoRom/HiRom detection...
if (((romHeaderLoRom.Checksum ^ 0xFFFF) == romHeaderLoRom.ChecksumComplement) &&
((romHeaderHiRom.Checksum ^ 0xFFFF) != romHeaderHiRom.ChecksumComplement || romHeaderHiRom.Checksum == 0 || romHeaderHiRom.ChecksumComplement == 0))
{
romType = SnesRomType.LoRom;
}
else if (((romHeaderLoRom.Checksum ^ 0xFFFF) != romHeaderLoRom.ChecksumComplement || romHeaderLoRom.Checksum == 0 || romHeaderLoRom.ChecksumComplement == 0) &&
((romHeaderHiRom.Checksum ^ 0xFFFF) == romHeaderHiRom.ChecksumComplement))
{
romType = SnesRomType.HiRom;
}
else if (titleLo.Length != 0 && titleHi.Length == 0)
{
romType = SnesRomType.LoRom;
}
else if (titleLo.Length == 0 && titleHi.Length != 0)
{
romType = SnesRomType.HiRom;
}
else if ((titleLo == titleHi) && ((romHeaderLoRom.RomMakeup & 1) == 0))
{
romType = SnesRomType.LoRom;
}
else if ((titleLo == titleHi) && ((romHeaderHiRom.RomMakeup & 1) == 1))
{
romType = SnesRomType.HiRom;
}
else if (gamesLoRom.Contains(titleLo))
{
romType = SnesRomType.LoRom;
}
else if (gamesHiRom.Contains(titleHi))
{
romType = SnesRomType.HiRom;
}
else
{
bool loRom = true;
bool hiRom = true;
foreach (char c in titleLo)
{
if (c < 31 || c > 127)
{
loRom = false;
}
}
foreach (char c in titleHi)
{
if (c < 31 || c > 127)
{
hiRom = false;
}
}
if (loRom && !hiRom)
{
romType = SnesRomType.LoRom;
}
else if (!loRom && hiRom)
{
romType = SnesRomType.HiRom;
}
else
{
Trace.WriteLine("Can't detect ROM type");
throw new Exception("can't detect ROM type, seems like ROM is corrupted");
}
}
SnesRomHeader romHeader;
if (romType == SnesRomType.LoRom)
{
romHeader = romHeaderLoRom;
gameTitle = titleLo;
}
else
{
romHeader = romHeaderHiRom;
gameTitle = titleHi;
}
return(romHeader);
}
