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From: jesup@cbmvax.commodore.com (Randell Jesup)
Newsgroups: comp.sys.amiga.tech
Subject: Re: Compression device
Keywords: GCR trackdisk.device compression
Message-ID: <15933@cbmvax.commodore.com>
Date: 18 Nov 90 03:34:11 GMT
References: <291@geocub.greco-prog.fr> <1990Oct15.120046.15007@ericsson.se> <1990Nov16.215210.23026@daffy.cs.wisc.edu>
Reply-To: jesup@cbmvax.commodore.com (Randell Jesup)
Organization: Commodore, West Chester, PA
Lines: 13

In article <1990Nov16.215210.23026@daffy.cs.wisc.edu> pochron@cat37.cs.wisc.edu (David Pochron) writes:
>Why not just write a GCR-trackdisk.device that writes disks in GCR format
>instead of MFM format?

	Because Paula can only handle GCR at 4us/bit, not 2us/bit.  GCR
buys you some of that space back, but my no means all of it.  Combine that
with slower reads and writes, and I think you see the answer.

-- 
Randell Jesup, Keeper of AmigaDos, Commodore Engineering.
{uunet|rutgers}!cbmvax!jesup, jesup@cbmvax.commodore.com  BIX: rjesup  
Thus spake the Master Ninjei: "If your application does not run correctly,
do not blame the operating system."  (From "The Zen of Programming")  ;-)