Inversion

[Dave Kraft]

Hi,
I was trying to think up a way of en/decrypting a file, and I was wondering if
there was any way to invert a binary number like the following example:

10101010   (decimal 170)
01010101   (decimal 85)

If anyone could help me here, I would be really greatful.

Thanks in advance.
Dave
-- 
davek at lakesys.lakesys.com -OR- uunet!marque!lakesys!davek
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