private static void MakeSfrom(ref byte[] rawRomData, ref byte saveCount, out bool problemGame)
{
SnesRomType romType;
string gameTitle;
SnesRomHeader romHeader = GetCorrectHeader(rawRomData, out romType, out gameTitle);
/*
* if (romType == SnesRomType.LoRom)
* rawRomData[0x7FD9] = 0x01; // Force NTSC
* else
* rawRomData[0xFFD9] = 0x01; // Force NTSC
*/
Trace.WriteLine($"Game title: {gameTitle}");
Trace.WriteLine($"ROM type: {romType}");
ushort presetId = 0;
byte chip = 0;
if (SfxTypes.Contains(romHeader.RomType)) // Super FX chip
{
Trace.WriteLine($"Super FX chip detected");
chip = 0x0C;
}
if (!knownPresets.TryGetValue(gameTitle, out presetId)) // Known codes
{
if (Dsp1Types.Contains(romHeader.RomType))
{
Trace.WriteLine($"DSP-1 chip detected");
presetId = 0x10BD; // ID from Mario Kard, DSP1
}
if (SA1Types.Contains(romHeader.RomType))
{
Trace.WriteLine($"SA1 chip detected");
presetId = 0x109C; // ID from Super Mario RPG, SA1
}
}
else
{
Trace.WriteLine($"We have preset for this game");
}
Trace.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;
}
else
{
saveCount = 0;
}
problemGame = problemGames.Contains(gameTitle);
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, 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 bool Patch(string inputFileName, ref byte[] rawRomData, ref char prefix, ref string application, ref string outputFileName, ref string args, ref Image cover, ref byte saveCount, ref uint crc32)
{
var ext = Path.GetExtension(inputFileName);
if (inputFileName.Contains("(E)") || inputFileName.Contains("(J)"))
{
cover = Resources.blank_snes_eu_jp;
}
// already in sfrom?
if (ext.ToLower() == ".sfrom")
{
Trace.WriteLine("ROM is already in SFROM format, no conversion needed");
application = "/bin/clover-canoe-shvc-wr -rom";
args = DefaultCanoeArgs;
return(true);
}
// header removal
if ((ext.ToLower() == ".smc") && ((rawRomData.Length % 1024) != 0))
{
Trace.WriteLine("Removing SMC header");
var stripped = new byte[rawRomData.Length - 512];
Array.Copy(rawRomData, 512, stripped, 0, stripped.Length);
rawRomData = stripped;
crc32 = Shared.CRC32(rawRomData);
}
// check if we can use sfrom tool
if (ConfigIni.Instance.ConvertToSFROM)
{
bool convertedSuccessfully = false;
if (ConfigIni.Instance.UseSFROMTool && SfromToolWrapper.IsInstalled)
{
try
{
SnesRomType romType;
string gameTitle;
SnesRomHeader romHeader = GetCorrectHeader(rawRomData, out romType, out gameTitle);
if (romHeader.SramSize > 0)
{
saveCount = 3;
}
else
{
saveCount = 0;
}
}
catch (Exception ex)
{
Trace.WriteLine("Error reading ROM header: " + ex.Message + ex.StackTrace);
}
Trace.WriteLine($"Convert with SFROM Tool: {inputFileName}");
if (SfromToolWrapper.ConvertROMtoSFROM(ref rawRomData))
{
outputFileName = Path.GetFileNameWithoutExtension(outputFileName) + ".sfrom";
application = "/bin/clover-canoe-shvc-wr -rom";
args = DefaultCanoeArgs;
convertedSuccessfully = true;
}
else
{
Trace.WriteLine("SFROM Tool conversion failed, attempting the built-in SFROM conversion");
convertedSuccessfully = false;
}
}
if (!convertedSuccessfully)
{
// fallback method, with patching
FindPatch(ref rawRomData, inputFileName, crc32);
if (ConfigIni.Instance.ConvertToSFROM)
{
Trace.WriteLine($"Trying to convert {inputFileName}");
bool problemGame = false;
try
{
MakeSfrom(ref rawRomData, ref saveCount, out problemGame);
}
catch (Exception ex)
{
Tasks.ErrorForm.Show(MainForm.StaticRef, Resources.ImportGames, string.Format(Resources.ErrorImportingGame, Path.GetFileName(inputFileName)), ex.Message + ex.StackTrace, Resources.sign_error);
return(false);
}
// Using 3rd party emulator for this ROM?
outputFileName = Path.GetFileNameWithoutExtension(outputFileName) + ".sfrom";
if (problemGame && Need3rdPartyEmulator != true)
{
if (Need3rdPartyEmulator != false)
{
var result = Tasks.MessageForm.Show(ParentForm, Resources.AreYouSure,
string.Format(Resources.Need3rdPartyEmulator, Path.GetFileName(inputFileName)),
Resources.sign_warning,
new Tasks.MessageForm.Button[] { Tasks.MessageForm.Button.YesToAll, Tasks.MessageForm.Button.Yes, Tasks.MessageForm.Button.No },
Tasks.MessageForm.DefaultButton.Button2);
if (result == Tasks.MessageForm.Button.YesToAll)
{
Need3rdPartyEmulator = true;
}
if (result == Tasks.MessageForm.Button.No)
{
problemGame = false;
}
}
else
{
problemGame = false;
}
}
if (!problemGame)
{
application = "/bin/clover-canoe-shvc-wr -rom";
args = DefaultCanoeArgs;
}
}
}
}
return(true);
}
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;
}
