Re: [colorforth] Unused character encodings available in Colorforth
- Subject: Re: [colorforth] Unused character encodings available in Colorforth
- From: "Samuel A. Falvo II" <kc5tja@xxxxxxxx>
- Date: Sun, 22 Feb 2004 17:30:57 -0800
On Sunday 22 February 2004 11:46 am, Mark Slicker wrote:
> What Chuck is doing might be described as hand coded huffman. He does
> assign the more frequently occuring characters to shorter codes,
> however it apears to me the codes are asigned in such a way to make
> characters simpler to decode. I'm speculating here, because I have not
Yes, it's optimized for table-lookups based on a set series of bits,
versus performing a bit-level traversal of a decoding tree.
I thought it was Shannon encoding because I've seen Shannon codes which
follow a similar 'ease of decoding' sequence, where the first 'n' bits
are used to decode one of several different tables. True, each table
did have a set probability.
--
Samuel A. Falvo II
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