[A83] Re: Ion Decompress

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: Ion Decompress
From: "Dan Weiss" <dwedit@hotmail.com>
Date: Thu, 18 Jul 2002 10:29:26 -0500
Reply-To: assembly-83@lists.ticalc.org


ion decompress is merely a unpacker that unpacks bits:

.db %10011010 -> .db 1,0,0,1,1,0,1,0  ; factor 2
.db %10011100 -> .db 2,1,3,0  ;factor 4
.db $F2 -> .db 15,2     ;factor 16

(not entirely sure whether it goes MSB or LSB first though)

If you have data with lots of repetition, you should try custom RLE formats 
instead...

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