Category:PL/M: Difference between revisions

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PL/M (Programming Language for Microcomputers) is (as the name suggests) a language designed for microcomputer software, particularly system software.
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It is approximately a very small subset of PL/1 (though not a strict subset).
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The following statements were available:
* assignment
* CALL
* DECLARE
* DO-END
* IF-THEN-ELSE
* GOTO
* PROCEDURE-END
* RETURN
Additionally a number of compiler directive statements existed. There are no built-in I/O statements - calls to appropriate routines would be made instead.
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Unlike PL1, PL/M keywords are reserved and so cannot be used as identifiers.
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Available datatypes (BYTE, WORD, etc.) reflected the available types of the microprocessors.
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The declaration of structures in PL/M does not use level-numbers, instead a syntax more like C structs is used, e.g.:
<lang PLM>DECLARE A STRUCTURE ( B BYTE, C WORD );</lang>
declares a structure A with two members, B and C.
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PL/M was used in the development of the CP/M operating system and associated applications.
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Compilers were available for a number of microprocessors including the 8080 Z80.
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==See Also==
* [[wp:https://en.wikipedia.org/wiki/PL/M|Wikipedia page on PL/M]]: [https://en.wikipedia.org/wiki/PL/M]
* [[PL/1]]

Revision as of 15:17, 21 September 2017

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Language
PL/M
This programming language may be used to instruct a computer to perform a task.
See Also:


Listed below are all of the tasks on Rosetta Code which have been solved using PL/M.

PL/M (Programming Language for Microcomputers) is (as the name suggests) a language designed for microcomputer software, particularly system software.

It is approximately a very small subset of PL/1 (though not a strict subset).
The following statements were available:

  • assignment
  • CALL
  • DECLARE
  • DO-END
  • IF-THEN-ELSE
  • GOTO
  • PROCEDURE-END
  • RETURN

Additionally a number of compiler directive statements existed. There are no built-in I/O statements - calls to appropriate routines would be made instead.

Unlike PL1, PL/M keywords are reserved and so cannot be used as identifiers.
Available datatypes (BYTE, WORD, etc.) reflected the available types of the microprocessors.

The declaration of structures in PL/M does not use level-numbers, instead a syntax more like C structs is used, e.g.: <lang PLM>DECLARE A STRUCTURE ( B BYTE, C WORD );</lang> declares a structure A with two members, B and C.

PL/M was used in the development of the CP/M operating system and associated applications.
Compilers were available for a number of microprocessors including the 8080 Z80.

See Also

Subcategories

This category has the following 3 subcategories, out of 3 total.

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Pages in category "PL/M"

The following 165 pages are in this category, out of 165 total.

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