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From: ugfailau@sunybcs.uucp (Fai Lau)
Newsgroups: comp.lang.c,comp.sys.ibm.pc
Subject: Re: What's Wrong here?
Message-ID: <6931@sunybcs.UUCP>
Date: Tue, 1-Dec-87 20:40:13 EST
Article-I.D.: sunybcs.6931
Posted: Tue Dec  1 20:40:13 1987
Date-Received: Sat, 5-Dec-87 01:50:00 EST
References: <278@westmark.UUCP> <6755@brl-smoke.ARPA> <6855@sunybcs.UUCP> <6761@brl-smoke.ARPA>
Sender: nobody@sunybcs.UUCP
Reply-To: ugfailau@joey.UUCP (Fai Lau)
Organization: SUNY/Buffalo Computer Science
Lines: 17
Xref: mnetor comp.lang.c:5680 comp.sys.ibm.pc:10683

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.
 
	Oops. I should have emphasized that it *can* be turned off!!
But using other ways except left shift (logical bits operations
come to mind).

Fai  Lau
SUNY at Buffalo (The Arctic Wonderland)
UUCP: ..{mit-ems|watmath|rocksanne}!sunybcs!ugfailau
BI: ugfailau@sunybcs