Re: [cc65] Compression (was: Atmos (was: Regbank))

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From: David Holz (davidh_at_otterspace.com)
Date: 2003-01-05 22:44:39 

From: "Ullrich von Bassewitz" <uz_at_musoftware.de>
> From the comments it seems to be LZ77. I'm no compression specialist, but
> wasn't this the (patented) compression algorithm used in the old compress
> program and GIF images? If so, INFLATE/DEFLATE should work better for most
> input files. However, the zlib unpacker seems to be larger than the LZ77
one
> written by Jede.

LZW is the patented method, not LZ77.  zlib uses LZ77 plus huffman coding on
its tags to achieve its compression.

--
White Flame (aka David Holz)
http://www.white-flame.com/

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