public void SaveStateBinary(BinaryWriter writer)
{
writer.Write(_mameSaveBuffer.Length);
LibMAME.SaveError err = LibMAME.mame_save_buffer(_mameSaveBuffer, out int length);
if (length != _mameSaveBuffer.Length)
{
throw new InvalidOperationException("Savestate buffer size mismatch!");
}
if (err != LibMAME.SaveError.NONE)
{
throw new InvalidOperationException("MAME LOADSTATE ERROR: " + err.ToString());
}
writer.Write(_mameSaveBuffer);
writer.Write(Frame);
writer.Write(LagCount);
writer.Write(IsLagFrame);
}