public VCSNES GetBase(string path)
{
try
{
ValidateBase(path, false);
RPXSNES vc = ValidateRPX(path);
return(VCSNES.GetVC(vc.CRCsSum));
}
catch
{
return(null);
}
}
protected override byte[] GetNewRodata(uint crcsSum, byte[] rodata, string rom,
byte speed, byte players, byte soundVolume, byte romType)
{
//int romOffset = ReadInt32(rodata, 0x28); //ROM offset (Always 0x00000030)
int footerOffset = ReadInt32(rodata, 0x34); //Footer offset
//int romSize = ReadInt32(rodata, footerOffset + 0x21); //ROM size
VCSNES vc = VCSNES.GetVC(crcsSum);
if (vc.ROMSize == -1)
{
throw new FormatException("The source RPXSNES is unknown.");
}
FileStream fs = File.Open(rom, FileMode.Open);
byte[] romBytes = new byte[fs.Length];
fs.Read(romBytes, 0, romBytes.Length);
fs.Close();
int smcHeaderSize;
if (romBytes.Length % 1024 == 0)
{
smcHeaderSize = 0;
}
else if (romBytes.Length % 1024 == 0x200)
{
smcHeaderSize = 0x200;
}
else
{
throw new FormatException("The source ROM has an invalid size.");
}
if (romBytes.Length - smcHeaderSize > vc.ROMSize)
{
throw new FormatException("The source ROM is too large for this base.");
}
int paddingLength = vc.ROMSize - (romBytes.Length - smcHeaderSize);
byte[] padding = new byte[paddingLength];
MemoryStream ms = new MemoryStream(rodata);
ms.Position = 0x50;//romOffset + 0x20;
ms.Write(romBytes, smcHeaderSize, romBytes.Length - smcHeaderSize);
ms.Write(padding, 0, padding.Length);
ms.Position = footerOffset + 0x20;
ms.WriteByte(speed);
ms.Position = footerOffset + 0x2F;
ms.WriteByte(players);
if (vc.ExtendedFooter)
{
ms.WriteByte(soundVolume);
ms.WriteByte(romType);
}
rodata = ms.ToArray();
ms.Close();
return(rodata);
}
