@staticmethod
def _getCodes(map, bit_chain):
    """Returns a list with the corresponding fields as set in the bitChain (hex string)
        """
    code_list = []
    bit_chain = int(bit_chain, 16)
    map_length = len(map)
    for i in reversed(list(range(map_length))):
        if bit_chain & 2 ** i:
            code_list.append(map[map_length - i - 1])
    return code_list
