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"Cyclical Redundancy Check - Two versions of CRC16", by andy_a
CRC's ensure that data is not corrupted during transmission. Whether loading a file from disk or transferring via modem CRC's ensure data integrity.

Found a QBasic listing (author unknown) here:
www.fys.ruu.nl/
bergmann/crc.bas

Converted to Blitz 2005.1.6

Disclaimer: I program as a hobby. DON'T use this on *ANYTHING* important. User assumes ALL responsibility. Use at your own risk!
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