2008-09-08 03:25:28 +00:00
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def itoa(num, base=10):
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negative = num < 0
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if negative:
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num = -num
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digits = []
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while num > 0:
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num, last_digit = divmod(num, base)
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digits.append('0123456789abcdefghijklmnopqrstuvwxyz'[last_digit])
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if negative:
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digits.append('-')
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digits.reverse()
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return ''.join(digits)
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2008-08-17 21:04:09 +00:00
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def convert_to_bin(bcd):
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return bcd2bin[bcd]
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def convert_to_bcd(bin):
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return bin2bcd[bin]
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bcd2bin = [
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, # 0x00
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10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, # 0x10
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20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, # 0x20
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30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, # 0x30
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40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, # 0x40
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50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, # 0x50
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60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, # 0x60
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70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, # 0x70
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80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, # 0x80
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90, 91, 92, 93, 94, 95, 96, 97, 98, 99,100,101,102,103,104,105, # 0x90
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100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115, # 0xA0
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110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125, # 0xB0
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120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135, # 0xC0
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130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145, # 0xD0
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140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155, # 0xE0
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150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165 # 0xF0
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]
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bin2bcd = [
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0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
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0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,0x19,
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0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29,
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0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,
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0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,
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0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,
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0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69,
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0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,0x79,
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0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,
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0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99
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]
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