private static void MakeSfrom(ref byte[] rawRomData, ref byte saveCount)
{
var romHeaderLoRom = SnesRomHeader.Read(rawRomData, 0x7FC0);
var romHeaderHiRom = SnesRomHeader.Read(rawRomData, 0xFFC0);
SnesRomHeader romHeader;
bool loRom = true;
bool hiRom = true;
if (romHeaderLoRom.GameTitle.Length == 0)
{
loRom = false;
}
foreach (char c in romHeaderLoRom.GameTitle)
{
if (c < 31 || c > 127)
{
loRom = false;
}
}
if (romHeaderHiRom.GameTitle.Length == 0)
{
hiRom = false;
}
foreach (char c in romHeaderHiRom.GameTitle)
{
if (c < 31 || c > 127)
{
hiRom = false;
}
}
SnesRomType romType;
if (loRom && !hiRom)
{
romType = SnesRomType.LoRom;
romHeader = romHeaderLoRom;
}
else if (!loRom && hiRom)
{
romType = SnesRomType.HiRom;
romHeader = romHeaderHiRom;
}
else if (((romHeaderLoRom.RomMakeup & 1) == 0) && ((romHeaderHiRom.RomMakeup & 1) == 0))
{
romType = SnesRomType.LoRom;
romHeader = romHeaderLoRom;
}
else if (((romHeaderLoRom.RomMakeup & 1) == 1) && ((romHeaderHiRom.RomMakeup & 1) == 1))
{
romType = SnesRomType.HiRom;
romHeader = romHeaderHiRom;
}
else
{
// WTF is it?
romType = SnesRomType.HiRom;
romHeader = romHeaderHiRom;
}
string gameTitle = romHeader.GameTitle.Trim();
Debug.WriteLine($"Game title: {gameTitle}");
ushort presetId = 0; // 0x1011;
ushort chip = 0;
if (SfxTypes.Contains(romHeader.RomType)) // Super FX chip
{
Debug.WriteLine($"Super FX chip detected");
chip = 0x0C;
}
if (!knownPresets.TryGetValue(gameTitle, out presetId)) // Known codes
{
if (Dsp1Types.Contains(romHeader.RomType))
{
Debug.WriteLine($"DSP-1 chip detected");
presetId = 0x10BD; // ID from Mario Kard, DSP1
}
if (SA1Types.Contains(romHeader.RomType))
{
Debug.WriteLine($"SA1 chip detected");
presetId = 0x109C; // ID from Super Mario RPG, SA1
}
}
Debug.WriteLine(string.Format("PresetID: 0x{0:X2}{1:X2}, extra byte: {2:X2}", presetId & 0xFF, (presetId >> 8) & 0xFF, chip));
var sfromHeader1 = new SfromHeader1((uint)rawRomData.Length);
var sfromHeader2 = new SfromHeader2((uint)rawRomData.Length, presetId, romType, chip);
var sfromHeader1Raw = sfromHeader1.GetBytes();
var sfromHeader2Raw = sfromHeader2.GetBytes();
var result = new byte[sfromHeader1Raw.Length + rawRomData.Length + sfromHeader2Raw.Length];
Array.Copy(sfromHeader1Raw, 0, result, 0, sfromHeader1Raw.Length);
Array.Copy(rawRomData, 0, result, sfromHeader1Raw.Length, rawRomData.Length);
Array.Copy(sfromHeader2Raw, 0, result, sfromHeader1Raw.Length + rawRomData.Length, sfromHeader2Raw.Length);
if (romHeader.SramSize > 0)
{
saveCount = 3;
}
rawRomData = result;
}
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);
}
private static void MakeSfrom(ref byte[] rawRomData)
{
var romHeaderLoRom = SnesRomHeader.Read(rawRomData, 0x7FC0);
var romHeaderHiRom = SnesRomHeader.Read(rawRomData, 0xFFC0);
SnesRomHeader romHeader;
bool loRom = true;
bool hiRom = true;
if (romHeaderLoRom.GameTitle.Length == 0)
{
loRom = false;
}
foreach (char c in romHeaderLoRom.GameTitle)
{
if (c < 31 || c > 127)
{
loRom = false;
}
}
if (romHeaderHiRom.GameTitle.Length == 0)
{
hiRom = false;
}
foreach (char c in romHeaderHiRom.GameTitle)
{
if (c < 31 || c > 127)
{
hiRom = false;
}
}
SnesRomType romType;
if (loRom && !hiRom)
{
romType = SnesRomType.LoRom;
romHeader = romHeaderLoRom;
}
else if (!loRom && hiRom)
{
romType = SnesRomType.HiRom;
romHeader = romHeaderHiRom;
}
else if ((romHeaderLoRom.RomMakeup & 1) == 0)
{
romType = SnesRomType.LoRom;
romHeader = romHeaderLoRom;
}
else
{
romType = SnesRomType.HiRom;
romHeader = romHeaderHiRom;
}
string gameTitle = romHeader.GameTitle.Trim();
ushort presetId = 0; // 0x1011;
ushort chip = 0;
if (SfxTypes.Contains(romHeader.RomType)) // Super FX chip
{
chip = 0x0C;
}
if (!knownPresets.TryGetValue(gameTitle, out presetId)) // Known codes
{
if (Dsp1Types.Contains(romHeader.RomType))
{
presetId = 0x10BD; // ID from Mario Kard, DSP1
}
if (SA1Types.Contains(romHeader.RomType))
{
presetId = 0x109C; // ID from Super Mario RPG, SA1
}
}
var sfromHeader1 = new SfromHeader1((uint)rawRomData.Length);
var sfromHeader2 = new SfromHeader2((uint)rawRomData.Length, presetId, romType, chip);
var sfromHeader1Raw = sfromHeader1.GetBytes();
var sfromHeader2Raw = sfromHeader2.GetBytes();
var result = new byte[sfromHeader1Raw.Length + rawRomData.Length + sfromHeader2Raw.Length];
Array.Copy(sfromHeader1Raw, 0, result, 0, sfromHeader1Raw.Length);
Array.Copy(rawRomData, 0, result, sfromHeader1Raw.Length, rawRomData.Length);
Array.Copy(sfromHeader2Raw, 0, result, sfromHeader1Raw.Length + rawRomData.Length, sfromHeader2Raw.Length);
rawRomData = result;
}