code: def directive_DCB(self, label, params):
          
          # TODO make this read only
          # TODO check for byte size
          self.labels[label] = self.space_pointer
          if params in self.equates:
              params = self.equates[params]
          self.memory[self.space_pointer] = self.convert_to_integer(params) & 0xFF
          self.space_pointer += 1
docs: label   DCB value[, value ...]
  
          Allocate a byte space in read only memory for the value or list of values