Type ASSEMBLE
Source Lines : 3,013
Fixes Applied : 0
Most Recent Version : Thursday, December 7, 1978
Last Fix ID : [Unmodified]

Module

       DMTCMX

Function

       THIS MODULE IS INCLUDED AS PART OF THE REX SYSTEM CONTROL
       TASK.  DMTCMX IS CALLED IS SEVERAL PLACES IN DMTREX, THE
       MAIN REX CONTROL ROUTINE.  DMTCMX ACCEPTS AN EBCDIC
       STRING, AND EXECUTES THE RSCS COMMAND THAT IS REPRESENTED
       BY THE STRING.

Attributes

       REUSABLE

Operation

       THE BASE REGISTERS ARE ESTABLISHED, THE COMMAND ORIGIN
       LINK TABLE ENTRY IS LOCATED, THE BASE COMMAND ELEMENT TABLE
       AND MESSAGE REQUEST BUFFER ARE INITIALIZED, DMTCMX003
       MESSAGE IS ISSUED FOR REMOTE ORIGIN COMMANDS, AND THE
       COMMAND VERB IS DECODED.  IF THE COMMAND VERB IS UNDE-
       FINED, DMTCMX201E IS ISSUED; OTHERWISE THE INDIVIDUAL
       COMMAND PROCESSOR IS CALLED, WITH GREGS 3,4,&5 (ENTRY
       REGS TO PARMGET) SET TO SPECIFY THECOMMAND LINE TO
       THE RIGHT OF THE COMMAND VERB.  ON RETURN, THE FREE
       PAGES IN VIRTUAL STORAGE ARE COUNTED, AND IF THE
       NUMBER HAS DECREASED SUFFICIENTLY FROM THE PREVIOUS
       COMPUTATION, MESSAGE DMTCMX001I IS ISSUED.  THE CALLING
       REGISTERS ARE RESTORED, AND RETURN IS MADE TO THE ADDRESS
       CONTAINED IN GREG 14 ON ENTRY.

Calls to Other Routines

       DMTMGX - TO ISSUE RESPONSE MESSAGES
       DMTCRE - TO CREATE LINE DRIVER TASKS