Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83 (MC840302); site boring.UUCP Path: utzoo!watmath!clyde!burl!ulysses!allegra!mit-eddie!think!harvard!seismo!mcvax!boring!jack From: jack@boring.UUCP Newsgroups: net.micro.68k,net.micro.16k Subject: Re: Re: PDP11s vs the micros Message-ID: <6598@boring.UUCP> Date: Mon, 26-Aug-85 12:39:46 EDT Article-I.D.: boring.6598 Posted: Mon Aug 26 12:39:46 1985 Date-Received: Wed, 28-Aug-85 21:16:48 EDT References: <1617@hao.UUCP> <847@mako.UUCP> <2422@sun.uucp> <223@uthub.UUCP> <5900@utzoo.UUCP> Reply-To: jack@boring.UUCP (Jack Jansen) Organization: AMOEBA project, CWI, Amsterdam Lines: 13 Xref: watmath net.micro.68k:1083 net.micro.16k:376 Apparently-To: rnews@mcvax.LOCAL In article <5900@utzoo.UUCP> henry@utzoo.UUCP (Henry Spencer) writes: > >It should also be possible to get a similar effect by using the SETCFG >instruction to tell the cpu "no floating point", which will produce a >trap when the user tries to use floating point. Save the state and then >turn floating point on again. When I asked the local National man about >this, he said it would work. Beware that I have *not* tried it on real >hardware yet. Well, I didn't try it either, but NS uses the code in their 4.1 release, so I guess it works. -- Jack Jansen, jack@mcvax.UUCP The shell is my oyster.