code: def BLO(self, params):
          
          label = self.get_one_parameter(self.ONE_PARAMETER, params)
  
          self.check_arguments(label_exists=(label,))
  
          # BLO label
          def BLO_func():
              if not self.is_C_set():
                  self.register['PC'] = self.labels[label]
  
          return BLO_func
docs: BLO label
  
          Branch to the instruction at label if the C flag is not set