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From: gwyn@brl-smoke.ARPA (Doug Gwyn )
Newsgroups: comp.lang.c,comp.sys.ibm.pc
Subject: Re: What's Wrong here?
Message-ID: <6767@brl-smoke.ARPA>
Date: Tue, 1-Dec-87 06:14:00 EST
Article-I.D.: brl-smok.6767
Posted: Tue Dec  1 06:14:00 1987
Date-Received: Fri, 4-Dec-87 05:08:10 EST
References: <278@westmark.UUCP> <6755@brl-smoke.ARPA> <6855@sunybcs.UUCP> <6761@brl-smoke.ARPA> <312@etn-rad.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) )
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 21
Xref: mnetor comp.lang.c:5669 comp.sys.ibm.pc:10656

In article <312@etn-rad.UUCP> jru@etn-rad.UUCP (John Unekis) writes:
-In article <6761@brl-smoke.ARPA> gwyn@brl.arpa (Doug Gwyn (VLD/VMB) ) writes:
->In article <6855@sunybcs.UUCP> ugfailau@joey.UUCP (Fai Lau) writes:
->>In article <6755@brl-smoke.ARPA> gwyn@brl.arpa (Doug Gwyn (VLD/VMB) ) writes:
->>That is, when the sign bit is turned on as
->>a result of bit shifting, it can not be turned off again,......
->Is this REALLY true of the 80*86 family?  If so, it's the only
->architecture I've ever heard of that behaves this way......
-No, It is not true. I think Doug was confused by the difference between a
-logical shift instruction, and an arithmetic shift. ...

I'm afraid I confused you by including one too many "... writes:" lines.
I (Doug) am well aware of the differences between types of shifts.
However, Fai Lau posted a fascinating "correction" to my correct response,
claiming a new and unusual form of brain damage, presumably for the 80*86
architecture (since these messages have been cross-posted to comp.sys.ibm.pc).

-I am not particularly fond of intel 80?86 hardware, but they are not 
-THAT bad.

I didn't think it could really be..