Rational Developer for System z
PL/I for Windows, Version 7.6, Programming Guide

SYSTEM

This option specifies the operating system and hardware platform under which the PL/I program will run. It also enforces the parameters that can be received by a MAIN procedure.

In addition, a suboption allows you to exploit the hardware platform on which the object code will run.

Read syntax diagramSkip visual syntax diagram              .-WINDOWS-.
>>-SYSTEM--(--+---------+--)-----------------------------------><
              +-CICS----+
              '-IMS-----'
 
WINDOWS
Specifies that the program runs under WINDOWS.
CICS
Specifies that the program runs under CICS.
IMS
Specifies that the program will run under IMS.
S486
The object code is intended to run on a machine which has an 80486 or compatible chip. The code runs on machines with a Pentium chip, but not a 386 chip.
Pentium
The object code is intended to run on a machine with a Pentium chip. The code does not run on machines without a Pentium chip.

For MAIN procedures compiled with SYSTEM(CICS), OPTIONS (BYVALUE) is assumed and PROCEDURE OPTIONS(BYADDR), if specified, is diagnosed.


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