Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.3 4.3bsd-beta 6/6/85; site well.UUCP
Path: utzoo!watmath!clyde!burl!ulysses!gamma!epsilon!zeta!sabre!petrus!bellcore!decvax!decwrl!pyramid!pesnta!amd!amdcad!lll-crg!well!asgard
From: asgard@well.UUCP (J. R. Stoner)
Newsgroups: net.micro,net.arch
Subject: 386 Family Products (yet more 8086 sucks debate)
Message-ID: <354@well.UUCP>
Date: Tue, 17-Dec-85 22:29:30 EST
Article-I.D.: well.354
Posted: Tue Dec 17 22:29:30 1985
Date-Received: Fri, 20-Dec-85 01:49:43 EST
References: <133@daisy.UUCP> <97800013@ima.UUCP> <464@looking.UUCP> <154@ism780c.UUCP> <351@well.UUCP>
Reply-To: asgard@well.UUCP (J. R. Stoner)
Organization: Whole Earth 'Lectronic Link, Sausalito, CA
Lines: 32
Keywords: IBM, 8086, 8088, Intel, 80286
Xref: watmath net.micro:13160 net.arch:2322

In article <351@well.UUCP> farren@well.UUCP (Mike Farren) writes:
>In article <154@ism780c.UUCP>, tim@ism780c.UUCP (Tim Smith) writes:
>> It could have been done with no work from the compiler if Intel had
>> put the bits in a reasonable place.  A full pointer has a selector and
>> an offset.  Here is what they look like:
>>
>> ( BONK BONK! :-)
>>
>> 
>
>	Huh?  Wha?  Am I awake yet?   That is NOT the way the segments work;
>the "Other Stuff" is not a pointer into any kind of table, in fact, it doesn't
>exist at all.  A full pointer on the 8086 is two words. The first word is
>nothing more than a pointer to a 16-byte boundary which is the beginning of
>the 64K segment.  The second word is the offset within the segment, and is
>simply added to the (left-shifted 4 bits) first word to obtain a 20-bit real
>address.
>
>-- 
>           Mike Farren
>           uucp: {dual, hplabs}!well!farren
>           Fido: Sci-Fido, Fidonode 125/84, (415)655-0667
>           USnail: 390 Alcatraz Ave., Oakland, CA 94618
>

Not at all.  The information previously posted was in reference to the
user documentation for the iAPX 286 and not the brain damaged 808x 
(the black book).

-- 
From the mania of:
J. R. (May the farce be with you) Stoner, Esq.