Pascal (programming language): Difference between revisions

Revision as of 23:38, 12 July 2023

Revision as of 23:39, 12 July 2023

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[[UCSD Pascal]] branched off Pascal-P2, where [[Kenneth Bowles]] used it to create the [[Interpreter (computing)|interpretive]] UCSD p-System. It was one of three operating systems available at the launch of the original [[IBM Personal Computer]].<ref>[http://www.cbi.umn.edu/oh/pdf/oh392jb.pdf cbi.umn.edu], "An Interview with John Brackett and Doug Ross"{{dead link |date=March 2018 |bot=InternetArchiveBot |fix-attempted=yes}}, p15, Charles Babbage Institute, 2004</ref> UCSD Pascal used an intermediate code based on byte values, and thus was one of the earliest ''[[bytecode]] compilers''. [[Apple Pascal]] was released in 1979 for the Apple 2 and Apple 3 computer systems. It was an implementation of, or largely based on, UCSD Pascal. Pascal-P1 through Pascal-P4 was not, but rather based on the CDC 6600 60-bit word length.

A compiler based on the Pascal-P5P4 compiler, which created native binary [[OS/360 Object File Format|object files]], was released for the [[IBM System/370]] [[mainframe computer]] by the [[Australian Atomic Energy Commission]]; it was named the ''AAEC Pascal 8000 Compiler'' after the abbreviation of the name of the commission.<ref>{{cite report |url=http://www.iaea.org/inis/collection/NCLCollectionStore/_Public/10/477/10477561.pdf |date=1977 |title=Australian Atomic Energy Commission Research Establishment, Lucas Heights, Nuclear Science and Technology Branch Report, Divisional Research |page=22 |website=International Atomic Energy Agency (IEAE)}}</ref>

===Object Pascal and Turbo Pascal===