public void SaveStateBinary(System.IO.BinaryWriter writer)
{
fixed(byte *ptr = &savebuff[0])
{
if (!retro.retro_serialize((IntPtr)ptr, (uint)savebuff.Length))
{
throw new Exception("retro_serialize() failed");
}
}
writer.Write(savebuff.Length);
writer.Write(savebuff);
// other variables
writer.Write(Frame);
writer.Write(LagCount);
writer.Write(IsLagFrame);
}