Return an additional output of the instruction

            :rtype: string

def get_output(self, idx=-1):
        """
            Return an additional output of the instruction

            :rtype: string
        """
        buff = ""

        data = self.get_data()

        buff += repr(data) + " | "
        for i in range(0, len(data)):
            buff += "\\x%02x" % data[i]

        return buff