[Coco] CRC

Ciaran Anscomb cocomalt at 6809.org.uk
Thu Jul 11 17:26:15 EDT 2013


Gene Heskett wrote:
> On Thursday 11 July 2013 16:49:35 Gustavo Ranaur Schoenaker did opine:
> 
> > Does anybody knows any CoCo program that calculates the CRC of a program
> > in a DISK? It can by any kind of CRC, (MD5 is too 90's ... :-) )
> 
> Os9/Nitros9 has such a call, but I've never seen anything like that used
> for rsdos.

May or may not be useful, but I translated a CRC16 algo into 6809 last
year - only really good up to 2048 bytes, IIRC, and you'd still have to
read the files in etc., but in case it's interesting:

http://www.6809.org.uk/dragon/asm/crc16.s

..ciaran



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