code: def instruction_PAGE(self, opcode):
          
          op_address, opcode2 = self.read_pc_byte()
          paged_opcode = opcode * 256 + opcode2
  #        log.debug("$%x *** call paged opcode $%x" % (
  #            self.program_counter, paged_opcode
  #        ))
          self.call_instruction_func(op_address - 1, paged_opcode)
docs: call op from page 2 or 3