def dec_to_bcd_excess3(num, bias=3):
"""Converts a binary to Binary Coded Decimal, then converts again to
excess-3 BCD, which has a 'bit bias' of `bias`, where bits are
shifted by the given bias. See wikipedia.org/wiki/Excess-3 for more."""
bcd, binary, decimals = '', '', ''
for digit in str(num):
binval = encoders.dec_to_bin(int(digit))
binval = BaseDataType.add(str(binval), bias)
binary += '{}{}'.format(binval, ' ' * (4 - len(binval) + 1))
if len(binval) < 4:
binval = binval.zfill(4)
bcd += '{} '.format(binval)
decimals += digit + (' ' * 4)
_show_bcd(num, decimals, binary, bcd)
return bcd
def dec_to_bcd_excess3(num, bias=3):
"""Converts a binary to Binary Coded Decimal, then converts again to
excess-3 BCD, which has a 'bit bias' of `bias`, where bits are
shifted by the given bias. See wikipedia.org/wiki/Excess-3 for more."""
bcd, binary, decimals = '', '', ''
for digit in str(num):
binval = encoders.dec_to_bin(int(digit))
binval = BaseDataType.add(str(binval), bias)
binary += '{}{}'.format(binval, ' ' * (4 - len(binval) + 1))
if len(binval) < 4:
binval = binval.zfill(4)
bcd += '{} '.format(binval)
decimals += digit + (' ' * 4)
_show_bcd(num, decimals, binary, bcd)
return bcd
