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Article #621776Re:Who Wrote Fortran IV, Level G?
From: Sarr Blumson
Date: Mon, 09 Apr 2018 18:30
Date: Mon, 09 Apr 2018 18:30
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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. sarr -- ----Android NewsGroup Reader---- http://usenet.sinaapp.com/
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