PL%2FM is a historical programming language created in 1973. The PL/M programming language (an acronym of Programming Language for Microcomputers) is a high-level language conceived and developed by Gary Kildall in 1973 for Hank Smith at Intel for its microprocessors. The language incorporated ideas from PL/I, ALGOL and XPL, and had an integrated macro processor. Unlike other contemporary languages such as Pascal, C or BASIC, PL/M had no standard input or output routines. Read more on Wikipedia...
- PL%2FM ranks in the top 20% of languages
- the PL%2FM wikipedia page
- PL%2FM first appeared in 1973
- See also: algol, pl-i, xpl, c
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Example code from Wikipedia:
FIND: PROCEDURE(PA,PB) BYTE; DECLARE (PA,PB) BYTE; /* FIND THE STRING IN SCRATCH STARTING AT PA AND ENDING AT PB */ DECLARE J ADDRESS, (K, MATCH) BYTE; J = BACK ; MATCH = FALSE; DO WHILE NOT MATCH AND (MAXM > J); LAST,J = J + 1; /* START SCAN AT J */ K = PA ; /* ATTEMPT STRING MATCH AT K */ DO WHILE SCRATCH(K) = MEMORY(LAST) AND NOT (MATCH := K = PB); /* MATCHED ONE MORE CHARACTER */ K = K + 1; LAST = LAST + 1; END; END; IF MATCH THEN /* MOVE STORAGE */ DO; LAST = LAST - 1; CALL MOVER; END; RETURN MATCH; END FIND;
Last updated December 10th, 2019