from BitsAndBytes import *

readFrom = open('E:\\Diablo II\\save\\test.d2s','rb')
fileLength = len(readFrom.read())
bytes = []
for i in range(0,fileLength):
    readFrom.seek(0)
    readFrom.seek(i)
    data = readFrom.read(1)
    bytes.append(data)
a1 = 0
a2 = 0
a3 = 0
a4 = 0
b = 0
bytes[12] = 0
bytes[13] = 0
bytes[14] = 0
bytes[15] = 0

for c in bytes:
    a1 = (a1 << 1) + b + BinaryToDecimal(HexToBinary(ByteToHex(str(c))))
    a2 <<= 1

    a2 += (a1 >> 8)
    a1 = a1 & 255

    a3 <<= 1
    a3 +=  (a2 >> 8)
    a2 = a2 & 255
         
    a4 <<= 1
    a4 += (a3 >> 8)
    a3 = a3 & 255
    a4 = a4 & 255
           
    if (a4 & 0x80) <> 0:
        b = 1
    else:
        b = 0

print BinaryToHex(DecimalToBinary(a1,8))
print BinaryToHex(DecimalToBinary(a2,8))
print BinaryToHex(DecimalToBinary(a3,8))
print BinaryToHex(DecimalToBinary(a4,8))