code: def instruction_BEQ(self, opcode, ea):
          
          if self.Z == 1:
  #            log.info("$%x BEQ branch to $%x, because Z==1 \t| %s" % (
  #                self.program_counter, ea, self.cfg.mem_info.get_shortest(ea)
  #            ))
              self.program_counter.set(ea)
docs: Tests the state of the Z (zero) bit and causes a branch if it is set.
          When used after a subtract or compare operation, this instruction will
          branch if the compared values, signed or unsigned, were exactly the
          same.
  
          source code forms: BEQ dd; LBEQ DDDD
  
          CC bits "HNZVC": -----