public void Emit(Format1OpCode opCode, LowRegister rd, LowRegister rs, byte immediate)
{
CheckRange(immediate, 0, 31);
var fluentComment=opCode.ToHumanReadable().MyConcat(" ", rd, ",", rs, ",#", immediate);
EmitHelper(rd, 1, fluentComment, 0, 3, (int)opCode, 2, immediate, 5, rs.Index, 3, rd.Index, 3);
}