Re: Fast GCR decoding?

From: silverdr_at_wfmh.org.pl
Date: Sat, 16 Feb 2013 16:37:38 +0100
Message-Id: <1261C1E2-2A7A-4A4D-AE6E-A3AF7C3326E7@wfmh.org.pl>
On 2013-02-15, at 18:41, Michał Pleban wrote:

>> Michau posted the code, which he conceived after our private e-mail exchange. Still - I am yet to find time to try to understand it and write code that would generate the needed tables so that we can verify the concept. If it works - it will probably be the fastest method so far.
> 
> Could you possibly send me few examples of GCR encoded and decoded data
> so I could have some stuff for verification?

The easiest way is probably to make a g64 and d64 of the same disk and grab the same sector/track from both files. Or raw dump a sector to a buffer in a 1541 and then do a B-R of the same one. I can also try to prepare you some more examples later. Now somewhat busy finishing something else ;-)

-- 
SD!
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Received on 2013-02-16 16:00:12

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