code: def instruction_BVC(self, opcode, ea):
          
          if self.V == 0:
  #            log.info("$%x BVC branch to $%x, because V==0 \t| %s" % (
  #                self.program_counter, ea, self.cfg.mem_info.get_shortest(ea)
  #            ))
              self.program_counter.set(ea)
docs: Tests the state of the V (overflow) bit and causes a branch if it is
          clear. That is, branch if the twos complement result was valid. When
          used after an operation on twos complement binary values, this
          instruction will branch if there was no overflow.
  
          source code forms: BVC dd; LBVC DDDD
  
          CC bits "HNZVC": -----