Autocoder: Difference between revisions

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Autocoder as implemented on the IBM 1401: Added info about the limited version of Autocoder which used only punched card media, on 1401 systems with as little as 1400 characters of memory.
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<ref>{{cite book |last1=IBM Corporation |title=Executive Guide to the IBM 1440 Data Processing System |url=http://archive.computerhistory.org/resources/text/IBM/IBM.1440.1962.102646251.pdf |accessdate=Mar 8, 2020}}</ref><ref>Solomon 1993, p. 8</ref><ref>{{cite web|url=http://hopl.murdoch.edu.au/showlanguage2.prx?exp%3D3872 |title=The Encyclopedia of Computer Languages |accessdate=2007-03-18 |url-status=dead |archiveurl=https://web.archive.org/web/20070917100201/http://hopl.murdoch.edu.au/showlanguage2.prx?exp=3872 |archivedate=2007-09-17 }}.</ref> Autocoder also had the ability to process code written for SPS.
 
The 1401 was available in six memory configurations, with 1400, 2000, 4000, 8000, 12000, or 16000 six-bit characters. The 8000-character model was the minimum needed to run the full Autocoder assembler application, including IOCS. However a language subset assembler was available for use with with as little as 1400 memory positions. A loadable [[object file]], on punched cards or magnetic tape, could be produced on an 8000-character model which could then be run on a 4000-character machine. The limited language subset only processed punched cards and required 4 passes with intermediate punched card outputs.
 
==Influence==