PLZ

PLZ is a programming language created in 1979.

#1110on PLDB

45Years Old

PLZ/SYS is intended to aid the implementation of system programs for microcomputers. PLZ/SYS is a synthesis of concepts from contemporary programming languages and compilers--the language Pascal has had the most notable influence on the overall design and implementation of PLZ/SYS.

PLZ first developed in Zilog, Inc
PLZ on HOPL
Read more about PLZ on Semantic Scholar: 1.

Example from the web:

bubble sort MODULE

CONSTANT
 false : .. 0
 true := 1
 
EXTERNAL
 printarray PROCEDURE (first tWORD count BYTE)
 
INTERNAL
 a ARRAY [10 WORD]
  := [33 10 2000 400 410
   3 3 33 500 1999]
 sort PROCEDURE (n BYTE)
  LOCAL
   i j limit BYTE
   temp WORD
   switched BYTE
  ENTRY
  DO
   switched := false
    i := 0
    limit := n-2
    DO
     IF i > limit THEN EXIT FI
     j := i + 1
     IF a[i] > a[j] THEN
      switched := true
      temp :'" a [i)
      a[i] := a[j]
      a [j] : .. temp
     FI
     i +- 1
   OD
   IF switched .. false THEN RETURN FI
  END sort
GLOBAL
 main PROCEDURE
  ENTRY
   sort (10)
   printarray(ta[O] 10)
  END main
END bubble sort

PLZ - Programming language

Language features