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Article #621777Re: Who Wrote Fortran IV, Level G?
From: Peter Flass
Date: Mon, 09 Apr 2018 19:13
Date: Mon, 09 Apr 2018 19:13
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2897 bytes
Sarr Blumson <sarr.blumson@alum.dartmouth.orgq> wrote: > Quadibloc <jsa...@ecn.ab.ca> Wrote in message: >> I remember it being said that IBM didn't write that compiler itself, but instead >> they hired a firm that wrote compilers for computer manufacturers to do that; it >> was a firm whose ads I remember seeing in Computerworld, they mentioned that they >> used a stack-based technology for their compilers. >> >> But I can't seem to find or remember the name... >> >> John Savard >> > > Digitek. They actually had a compiler written for a stack oriented > pseudo machine that they then wrote interpreters for to fit on small > machines. I believe the first was the SDS 910 but many small > hardware builders were customers. F4/40 for the PDP 6/10, for example. > > They then tried to take on PL/1 and put themselves out of > business. IIRC the survivers started Ryan McFarland. > > IBM had more space on G sized machines, so they expanded the > pseudo instructions as macros to speed it up. > Thanks. I believe Digitek was hired to develop PL/I for Multics, but they failed so spectacularly that the Multics people developed their own compiler from scratch. It turned out to be one of the best ANSI-standard PL/I compilers, better than PL/I(F). -- Pete
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X-Received: by 10.55.73.149 with SMTP id w143mr26435968qka.12.1523301226059; Mon, 09 Apr 2018 12:13:46 -0700 (PDT) X-BeenThere: alt.folklore.computers@googlegroups.com Received: by 10.233.244.65 with SMTP id z1ls5106826qkl.10.gmail; Mon, 09 Apr 2018 12:13:45 -0700 (PDT) X-Received: by 10.55.79.201 with SMTP id d192mr25043663qkb.44.1523301225177; Mon, 09 Apr 2018 12:13:45 -0700 (PDT) Path: mbox-mo1.pugleaf.net!f13ni190qtj.0!nntp.google.com!peer03.iad!feed-me.highwinds-media.com!news.highwinds-media.com!feeder.usenetexpress.com!feeder-in1.iad1.usenetexpress.com!weretis.net!feeder4.news.weretis.net!eternal-september.org!feeder.eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail From: Peter Flass <peter...@yahoo.com> Newsgroups: alt.folklore.computers Subject: Re: Who Wrote Fortran IV, Level G? Date: Mon, 9 Apr 2018 12:13:44 -0700 Organization: A noiseless patient Spider Lines: 31 Message-ID: <1967351113.544993884.316464.peter_flass-yahoo.com@news.eternal-september.org> References: <61ed91df-177f-4e2b-993a-c53778355d6c@googlegroups.com> <pagbfn$t1o$1@dont-email.me> Mime-Version: 1.0 Injection-Info: reader02.eternal-september.org; posting-host="be39a1456fedc57d3fae46594bc65c2d"; logging-data="15009"; mail-complaints-to="ab...@eternal-september.org"; posting-account="U2FsdGVkX1/cjtUirJTd/WyoZMSi+LLg" User-Agent: NewsTap/5.3.1 (iPad) Cancel-Lock: sha1:q+s6o31pqATFzNihxW7RkUpXDA4= sha1:DHO5hGE0rGOU4LvPFxNO03zOdQI= X-Received-Bytes: 2356 X-Received-Body-CRC: 592698529 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit