static void WriteJtag(FamicomDumperConnection dumper, string fileName)
 {
     Console.Write("JTAG setup... ");
     dumper.JtagSetup();
     Console.WriteLine("OK");
     Console.Write("JTAG programming... ");
     dumper.WriteJtag(File.ReadAllBytes(fileName));
     Console.WriteLine("Done!");
     Console.Write("JTAG shutdown... ");
     dumper.JtagShutdown();
     Console.WriteLine("OK");
 }