ICL 1900 Series George 3 Operating System Commands

CORE (CO)

Function

Alters the amount of core store available to an object program.

Format

CORE number

The number represents the required new core size of the program.

Forbidden contexts

NO CORE IMAGE

Execution

The number is rounded up to a multiple of 64.

Example

CORE #4000

Notes

1. A CORE command must always be given before a program is entered if the core requirement of the program is not specified correctly in the program's request slip.
2. If a REALTIME ON command has been obeyed and has not been cancelled by a subsequent REALTIME OFF command, the following command error message is output if a CORE command is encountered:
       REALTIME PROGRAMS CANNOT ALTER THEIR CORE SIZE
3. If the new core size is in excess of the object program quota then the following message will be output:
       EXECUTION OF YOUR PROGRAM MAY BE DELAYED AS ITS CORE SIZE EXCEEDS THE PROGRAM QUOTA

Error Messages

PROGRAM SIZE REQUESTED IS INVALID
REALTIME PROGRAMS CANNOT ALTER THEIR SIZE