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