Type ASSEMBLE
Source Lines : 932
Fixes Applied : 16
Most Recent Version : Thursday, December 7, 1978
Last Fix ID : [HRC065DK]
Module
DMKDIA
Function
TO ATTACH A USER'S TERMINAL AS A DEDICATED DEVICE TO AN
EXISTING VIRTUAL 270X TERMINAL LINE IN THE VIRTUAL
MACHINE ADDRESSED BY THE COMMAND LINE.
Operation
1. CHECKS COMMAND LINE (VIA DMKSCNFD) FOR PRESENCE OF
SPECIFIED USERID (ERROR MESSAGE AND RETURN IF NOT PRESENT).
CHECKS FOR SPECIFIED USERID ON RUNNING SYSTEM VIA DMKSCNAU
(ERROR MESSAGE AND RETURN IF NOT ON SYSTEM).
CHECKS THAT SPECIFIED USERID HAS ENABLED COMMUNICATIONS
LINES AVAILABLE FOR USE (ERROR MESSAGE AND RETURN IF NOT).
2. IF ALL OF THE ABOVE CHECKS ARE SUCCESSFUL, CONNECTS
RDEVBLOK OF THE DIAL-ER'S TERMINAL TO THE VDEVBLOK
OF THE SLECTED LINE. AFTER THE DIAL VERIFICATION MESSAGE
IS COMPLETE, THE DIAL-ER'S VMBLOK IS REMOVED FROM THE
VMBLOK CHAIN AND RETURNED TO FREE STORAGE VIA DMKFRET.
THE IOBLOK FOR THE VIRTUAL ENABLE SEQUENCE IS PICKED
UP FROM THE VDEVBLOK AND STARTED VIA DMKIOSQR. RETURN
IS MADE TO DMKCFM WITH THE VMBLOK OF THE DIAL-ED SYSTEM
IN GPR 11 .