protected final boolean SI16 (OPT_Operand a) { return  SI16(IV(a));
protected final boolean SI16 (Address value) { return  (value.LE(Address.fromIntSignExtend(32767)) || value.GE(Address.fromIntSignExtend(-32768)));
  protected final boolean SI16 (OPT_Operand a) {    return  SI16(IV(a));  }