Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!helios!bcm!dimacs.rutgers.edu!rutgers!cbmvax!jesup
From: jesup@cbmvax.commodore.com (Randell Jesup)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: Decoding MFM
Message-ID: <19001@cbmvax.commodore.com>
Date: 15 Feb 91 04:34:57 GMT
References: <2786@gould.doc.ic.ac.uk> <1074@usage.csd.unsw.oz.au> <1991Feb12.075454.6227@Neon.Stanford.EDU>
Reply-To: jesup@cbmvax.commodore.com (Randell Jesup)
Organization: Commodore, West Chester, PA
Lines: 23

In article <1991Feb12.075454.6227@Neon.Stanford.EDU> frankjr@Neon.Stanford.EDU (Frank AnthonyJr Busalacchi) writes:
>>Why the hell would you want to do it by yourself? You can get the trackdisk device
>>to give you your data in the proper form.
>
>The routines are actually in the ROMS I think.  The abacus book on disk drives
>#9 has the routines printed out and documented.  I suggest that you get ahold
>of the book.  Really good book as all ABACUS books seem to be.

	Cough, hack, choke...  Uh, a word of warning: the Abacus disk book
advocates illegal programming technique (and in fact many of the examples 
and programs in it only work with _1.2_ ROMs!)  It encourages direct ROM-
jumping (explicitly disallowed), and mucks with the internals of another
tasks' private data (in a manner which may fail, as well, causing trashed
disks).

	Note these are private comments and not the formal opinions of
Commodore-Amiga Inc (as usual).
-- 
Randell Jesup, Keeper of AmigaDos, Commodore Engineering.
{uunet|rutgers}!cbmvax!jesup, jesup@cbmvax.commodore.com  BIX: rjesup  
The compiler runs
Like a swift-flowing river
I wait in silence.  (From "The Zen of Programming")  ;-)