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ibm:vm370-lib:rscs:dmtmap.assemble_abs

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DMTMAP Abstract

Statistics

Type ASSEMBLE
Source Lines : 74
Fixes Applied : 0
Most Recent Version : Thursday, December 7, 1978
Last Fix ID : [Unmodified]

Synopsis

Module

       DMTMAP

Function

       THE DMTMAP MODULE DESCRIBES THE NON-FIXED ADDRESS
       MSUP  STATUS   STORAGE  AREAS  IN   MAIN  STORAGE.

Attributes

       THERE IS NO EXECUTABLE CODE IN THIS MODULE

Operation

        INCLUDED IN DMTMAP ARE:

             1. THE MAIN STORAGE MAP -- A TABLE COMPRISING
             ONE  BYTE FOR  EACH PAGE  IN ACCESSABLE  MAIN
             STORAGE, WITH  EACH BYTE DISPLACEMENT  IN THE
             TABLE IMPLYING  ASSOCIATED MAIN  STORAGE PAGE
             NUMBER;

             2.    THE  FIRST   (FIXED)   EXTENT  OF   THE
             SUPERVISOR STATUS QUEUE -- A CHAIN OF 16-BYTE
             ELEMENTS  OF  SUCH  LENGTH  AS  TO  MOVE  THE
             SUPERVISOR UP TO THE END  OF THE LAST PAGE IT
             OCCUPIES (PAGE 0).
ibm/vm370-lib/rscs/dmtmap.assemble_abs.txt ยท Last modified: 2023/08/06 13:39 by Site Administrator