public ByteBankMember(int bit_len, ByteBank bank, int byte_diff = 0)
{
this.bank = bank;
this.bit_diff = 8 * byte_diff;
this.bit_len = bit_len;
}
public ByteBankMember(int bit_len, ByteBankMember last)
{
this.bank = last.bank;
this.bit_diff = last.bit_diff + last.bit_len;
this.bit_len = bit_len;
}