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From: peter@baylor.UUCP (Peter da Silva)
Newsgroups: net.micro.amiga
Subject: Re: Re: Speed of seeks
Message-ID: <646@baylor.UUCP>
Date: Wed, 14-May-86 07:00:51 EDT
Article-I.D.: baylor.646
Posted: Wed May 14 07:00:51 1986
Date-Received: Sun, 18-May-86 12:25:58 EDT
References: <12593@ucla-cs.ARPA> <1121@amiga.amiga.UUCP>
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Organization: The Power Elite, Houston, TX
Lines: 33

> 	False.  One sector is filled before the next is started.

Thank god.

> >Incidently, Amiga, how is your disk arrainged? Is it 80 tracks, 160 tracks,
> >single sides, double sided, 512 bytes, 256 words, 128 long words, etc.
> For 3.5" Floppy:
> 	2	surfaces
> 	40	cylinders
> 	11	blocks per track
> 	512	bytes per block.
> 	488	usable data bytes per sector.

Gee... that means that programs designed to be efficient on machines with a
power-of-2 sector size (as in... everyone else) will die horribly on this
one. Time to add another parameter in my header-files: "SECSIZE". This is
awfully reminiscent of the only thing I didn't like about the ATARI-800: the
file system.

OK, what are the factors of 488:

	488
	244
	122
	 61
	  8
	  4
	  2

That's a mite inconvenient... what do I do with my 16-byte records?
-- 
-- Peter da Silva
-- UUCP: ...!shell!{baylor,graffiti}!peter; MCI: PDASILVA; CIS: 70216,1076