Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!husc6!think!ames!sunybcs!ugfailau 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