gtps1m53System Macros

SNDLC-Send Control Message to 3270

Use this system macro to allow the communication control program (CCP) to send control or multiple segment core-chained messages to a 3270 local device.

Required Authorizations
Key0 Restricted System Common Storage

X

Format




label
A symbolic name may be assigned to the macro statement.

TYPE
The type of control message to send:

HPR
This is high priority. Place this message on top of the queue of messages for this terminal and control unit.

LPR
This is low priority. Place this message on the bottom of the queue of messages for this terminal.

RST
This restarts a terminal's queues.

LNG
This is a long (multiple segment) message. Place this message on the bottom of the queue of messages for this terminal.

CLR
This clears a terminal's device queue, releasing all blocks back to the TPF system.

DLT
This releases messages on a terminal's device queue, until an Erase/Write message is found.

LEVEL=D0|...|DF
This is a core block reference word (D0-DF) where the message to be sent is referenced.

Entry Requirements

Return Conditions

Programming Considerations

Examples