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Article #625470Re: different architecture, was PDP 11/40 system manual
From: Scott Lurndal
Date: Wed, 15 Aug 2018 13:57
Date: Wed, 15 Aug 2018 13:57
17 lines
2532 bytes
2532 bytes
John Levine <jo...@taugh.com> writes: >In article <mdd1sb0...@panix5.panix.com>, >Rich Alderson <ne...@alderson.users.panix.com> wrote: >>> GE 635. It was OK, but the profusion of byte instructions added to >>> the later models of -10 suggest that it didn't work that well. >> >>"Profusion of byte instructions"? Lemme see, LDB, DPB, ILDB, IDBP, IBP/ADJBP. >>Or are you talking about the string instructions added by the VAX crowd who >>got into the microcode? > >The latter. They do resemble the Vax instructions which resemble 360 >instructions like ED and TRT. or EDT and TRN on the contemporaneous B-3500 (albeit not microcoded). http://vseries.lurndal.org/doku.php?id=instructions:edt http://vseries.lurndal.org/doku.php?id=instructions:trn
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X-Received: by 2002:adf:db4f:: with SMTP id f15-v6mr2276944wrj.30.1534341452682; Wed, 15 Aug 2018 06:57:32 -0700 (PDT) X-BeenThere: alt.folklore.computers@googlegroups.com Received: by 2002:a1c:7a0a:: with SMTP id v10-v6ls515937wmc.9.canary-gmail; Wed, 15 Aug 2018 06:57:31 -0700 (PDT) X-Received: by 2002:a1c:9e42:: with SMTP id h63-v6mr2309070wme.10.1534341451610; Wed, 15 Aug 2018 06:57:31 -0700 (PDT) MIME-Version: 1.0 X-FeedAbuse: http://nntpfeed.proxad.net/abuse.pl feeded by 78.192.65.63 Path: mbox-mo1.pugleaf.net!a22-v6ni6061wmg.0!nntp.google.com!feeder1-2.proxad.net!proxad.net!feeder1-1.proxad.net!nntpfeed.proxad.net!news.muarf.org!news.uzoreto.com!newsreader4.netcologne.de!news.netcologne.de!peer03.ams1!peer.ams1.xlned.com!news.xlned.com!peer03.am4!peer.am4.highwinds-media.com!peer02.iad!feed-me.highwinds-media.com!news.highwinds-media.com!post02.iad!fx37.iad.POSTED!not-for-mail X-newsreader: xrn 9.03-beta-14-64bit Sender: scott@dragon.sl.home (Scott Lurndal) From: scott@slp53.sl.home (Scott Lurndal) Reply-To: sl...@pacbell.net Subject: Re: different architecture, was PDP 11/40 system manual Newsgroups: alt.folklore.computers References: <21aaeee8-c41a-4442-a4eb-ea6a29b1e4f1@googlegroups.com> <1355830485.555945700.866949.peter_flass-yahoo.com@news.eternal-september.org> <pkut64$lt6$1@gal.iecc.com> <mdd1sb0n1tl.fsf@panix5.panix.com> <pkvhkl$2brk$2@gal.iecc.com> Lines: 17 Message-ID: <ejWcD.81722$vh4.54414@fx37.iad> X-Complaints-To: ab...@usenetserver.com NNTP-Posting-Date: Wed, 15 Aug 2018 13:57:30 UTC Organization: UsenetServer - www.usenetserver.com Date: Wed, 15 Aug 2018 13:57:30 GMT X-Received-Bytes: 1692 X-Received-Body-CRC: 551781537 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit