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Article #4790

AmigaDOS Filing System Block Format

#4790
From: Travers Naran
Date: Wed, 08 Aug 1990 12:36
26 lines
1569 bytes
I have some questions about this:

1. What are the "words" refered to in the AmiDOS Tech manual? Long words or
normal 16 bit words?

2. The Checksum is confusing, the manual says "Each filing system block
contains a checksum, where the sum (ignoring overflow) of all the words in the
block is zero." Huh??? I thought a Checksum was the sum of all the words in the
block (not including the  Checksum) ignoring overflow? Or does that sentence
mean that when I add up all the words in the block including the Checksum, I
should get zero ingoring overflow?

3. T.SHORT and ST.ROOT, etc. where are these constants defined?

4. How do I get a subscription to AmigaMail? I live in Canada and the RKM's
only talk about the U.S. mailing address.
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Travers "T'aran" Naran (I am male)
Simon Fraser University, Computing Science (Burnaby, B.C., Canada)
New Westminster, British Columbia, Canada, North America, etc...
Whovian, Prober, Treker, Quantum Leaper....
Mailing addresses:
   Usenet  Travers_Naran@mindlink.UUCP
or      uunet!van-bc!rsoft!mindlink!Travers_Naran
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!mailrus!wuarchive!uunet!van-bc!rsoft!mindlink!a275
From: a275@mindlink.UUCP (Travers Naran)
Newsgroups: comp.sys.amiga.tech
Subject: AmigaDOS Filing System Block Format
Message-ID: <2761@mindlink.UUCP>
Date: 8 Aug 90 12:36:45 GMT
Organization: MIND LINK! - British Columbia, Canada
Lines: 26