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