public static byte[] CreateSoundData(Emulation emulation)
{
ICommandBuilder builder = StarIoExt.CreateCommandBuilder(emulation);
builder.BeginDocument();
builder.AppendSound(SoundChannel.No1);
builder.AppendSound(SoundChannel.No2);
builder.AppendSound(SoundChannel.No1, 3);
builder.AppendSound(SoundChannel.No2, 3);
builder.EndDocument();
return(builder.Commands);
}