code: def _create_algo_bin(self, ro_rw_zi):
          
          sect_ro, sect_rw, sect_zi = ro_rw_zi
          algo_size = sect_ro.length + sect_rw.length + sect_zi.length
          algo_data = bytearray(algo_size)
          for section in (sect_ro, sect_rw):
              start = section.start
              size = section.length
              data = section.data
              assert len(data) == size
              algo_data[start:start + size] = data
          return algo_data
docs: Create a binary blob of the flash algo which can execute from ram