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Jan Waclawek
05/16/16 16:38
Read: 925 times
Bratislava
Slovakia


 
#190671 - CRC-32
A couple of years ago we've discussed CRC-16 here. Last week, I received an email from somebody who was searching for CRC-16 in the lost 8052.com codebase, and stumbled upon that piece of code on my webpage.

Turned out, he needed a different variant of CRC-16 (there are half a dozen of them or so), known also as "Kermit". The difference is in the direction of shift, or, alternatively, in bit-swapping all the input bytes, and then also the result. I concocted a variant of the original code, and, meantime improved the original one by a couple of cycles too (there are remnants of the original code at the end of the file, I was lazy to purge them - please ignore those, the comments and code flow should show the direction).

Once at it, I also attempted an implementation of CRC-32.

Link to all of these on the very bottom of http://www.efton.sk/t0t1/ .

Enjoy! :-)


List of 3 messages in thread
TopicAuthorDate
CRC-32      Jan Waclawek      05/16/16 16:38      
   small font      Maarten Brock      05/22/16 02:36      
      web skills      Jan Waclawek      05/22/16 14:24      

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