public boolean objectEqlP(Stella_Object y) {
    { Stella_Object x = this;

      { OutputStringStream stream000 = OutputStringStream.newOutputStringStream();

        stream000.nativeStream.print("object-eql?: Don't know how to compare `" + x + "' with `" + y + "'");
        throw ((StellaException)(StellaException.newStellaException(stream000.theStringReader()).fillInStackTrace()));
      }
    }
  }