CONTROL—set processing modes

Command invocation format


>>-ISPEXEC--CONTROL--------------------------------------------->

>--+-DISPLAY--+-LOCK-------------------------+-+---------------><
   |          +-LINE--+--------------------+-+ |   
   |          |       '-START(line-number)-' | |   
   |          +-SM--+--------------------+---+ |   
   |          |     '-START(line-number)-'   | |   
   |          +-REFRESH----------------------+ |   
   |          +-+-SAVE----+------------------+ |   
   |          | '-RESTORE-'                  | |   
   |          '-ALLVALID---------------------' |   
   |           .-ENTER-.                       |   
   +-NONDISPL--+-------+--+----------+---------+   
   |           '-END---'  '-NOSETMSG-'         |   
   |         .-CANCEL-.                        |   
   +-ERRORS--+--------+------------------------+   
   |         '-RETURN-'                        |   
   +-SPLIT--+-ENABLE--+------------------------+   
   |        '-DISABLE-'                        |   
   +-NOCMD-------------------------------------+   
   +-SUBTASK--+-PROTECT-+----------------------+   
   |          '-CLEAR---'                      |   
   +-TSOGUI--+-------+-------------------------+   
   |         +-QUERY-+                         |   
   |         +-OFF---+                         |   
   |         '-ON----'                         |   
   |          .-UPDATE---.                     |   
   '-REFLIST--+----------+---------------------'   
              '-NOUPDATE-'

Call invocation format


>>-CALL--ISPEXEC--(buf-len,buffer);----------------------------><


>>-CALL--ISPLINK--('CONTROL',operand);-------------------------><


>>-CALL--ISPLINK--('CONTROL ',--| operand |-);-----------------><

operand

|--+-'DISPLAY'--+-,'LOCK'------------------+-+------------------|
   |            +-,'LINE'-+--------------+-+ |   
   |            |         '-,line-number-' | |   
   |            +-,'SM'-+--------------+---+ |   
   |            |       '-,line-number-'   | |   
   |            +-,'REFRESH'---------------+ |   
   |            +-,-+-'SAVE'----+----------+ |   
   |            |   '-'RESTORE'-'          | |   
   |            '-,'ALLVALID'--------------' |   
   +-'NONDISPL'--+------------------+--------+   
   |             |   .-'ENTER'----. |        |   
   |             '-,-+-'END'------+-'        |   
   |                 '-'NOSETMSG'-'          |   
   +-'ERRORS'--+----------------+------------+   
   |           |   .-'CANCEL'-. |            |   
   |           '-,-+-'RETURN'-+-'            |   
   +-'SPLIT'--+-,'ENABLE'--+-----------------+   
   |          '-,'DISABLE'-'                 |   
   +-'NOCMD'---------------------------------+   
   +-'SUBTASK'--+-,'PROTECT'-+---------------+   
   |            '-,'CLEAR'---'               |   
   +-'TSOGUI'--+---------------+-------------+   
   |           |   .-'QUERY'-. |             |   
   |           '-,-+-'OFF'---+-'             |   
   |               '-'ON'----'               |   
   +-'REFLIST'--+------------------+---------+   
   |            |   .-'UPDATE'---. |         |   
   |            '-,-+-'NOUPDATE'-+-'         |   
   '-'LE'--+-------------+-------------------'   
           '-,-+-'ON'--+-'                       
               '-'OFF'-'

Return codes

0: Normal completion.
8: Split-screen mode already in effect. Applies only to a SPLIT DISABLE request. Split-screen mode remains enabled.
20: Severe error.