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 .