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Added utility module.

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This commit is contained in:
Mike Naberezny 2008-09-08 03:25:28 +00:00
parent cb7f82976f
commit 2f178e3fb7
1 changed files with 14 additions and 1 deletions
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15
bcd_conversion.py → util.py
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@ -1,10 +1,23 @@
def itoa(num, base=10):
negative = num < 0
if negative:
num = -num
digits = []
while num > 0:
num, last_digit = divmod(num, base)
digits.append('0123456789abcdefghijklmnopqrstuvwxyz'[last_digit])
if negative:
digits.append('-')
digits.reverse()
return ''.join(digits)
def convert_to_bin(bcd):
return bcd2bin[bcd]
def convert_to_bcd(bin):
return bin2bcd[bin]
bcd2bin = [
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, # 0x00
10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, # 0x10