Communicate on a 3650 host conversational (3270) logical unit.
CONVERSE (3650-3270) >>-CONVERSE--FROM(data-area)--+-FROMLENGTH(data-value)--+-------> '-FROMFLENGTH(data-value)-' >--+-INTO(data-area)-+--+-TOLENGTH(data-area)--+----------------> '-SET(ptr-ref)----' '-TOFLENGTH(data-area)-' >--+---------------------+--+----------------------+------------> '-CTLCHAR(data-value)-' '-ERASE--+-----------+-' +-DEFAULT---+ '-ALTERNATE-' >--+---------+--+-----+--+------------------------+-------------> '-DEFRESP-' '-FMH-' +-MAXLENGTH(data-value)--+ '-MAXFLENGTH(data-value)-' >--+------------+---------------------------------------------->< '-NOTRUNCATE-'
Conditions: LENGERR, TERMERR
CONVERSE communicates on a 3650 host conversational logical unit.
If the option is omitted, all modified data tags are reset to zero, and the keyboard is restored.
The first output operation in any transaction, or in a series of pseudoconversational transactions, should always specify ERASE. For transactions attached to 3270 screens or printers, unless explicitly overridden by the DEFAULT or ALTERNATE option, this also ensures that the correct screen size is selected, as defined for the transaction by the SCRNSIZE option in the RDO PROFILE definition.
The use of FMH is optional and is not supported for all terminal types. If not supplied, CICS® takes no action, except for 3600/4700 terminals, where an FMH is mandatory. In this case, if FMH is not specified, CICS supplies one and places it in the first 3 bytes of the message, which you must reserve for this purpose.
If the value specified is less than zero, zero is assumed.
If the length of data exceeds the value specified and the NOTRUNCATE option is not present, the data is truncated to that value and the LENGERR condition occurs. The data area specified in the TOLENGTH option is set to the original length of data.
If the length of data exceeds the value specified and the NOTRUNCATE option is present, CICS retains the remaining data and uses it to satisfy subsequent RECEIVE commands. The data area specified in the TOLENGTH option is set to the length of data returned.
If no argument is coded for MAXLENGTH, CICS defaults to TOLENGTH.
If DATALOCATION(ANY) is associated with the application program, the address of the data can be above or below the 16MB line.
If DATALOCATION(BELOW) is associated with the application program, and the data resides above the 16MB line, the data is copied below the 16MB line, and the address of this copy is returned.
If TASKDATAKEY(USER) is specified for the running task, and storage protection is active, the data returned is in a user-key. If TASKDATAKEY(CICS) is specified and storage protection is active, the data returned is in a CICS-key.
If the length of the data exceeds the value specified, but NOTRUNCATE is omitted, the data is truncated to that value, and the LENGERR condition occurs. When the data is received, the data area is set to the length of the data.
For a description of a safe upper limit, see LENGTH options in CICS commands.
Default action: terminate the task abnormally.
A CANCEL TASK request by a user node error program (NEP) may cause this condition if the task has an outstanding terminal control request active when the node abnormal condition program handles the session error.
Default action: terminate the task abnormally with abend code ATNI.