IBM Y28-6605-2 Introduction To Control Program Logic PLM Sep66 free download

File name Y28-6605-2_Introduction_To_Control_Program_Logic_PLM_Sep66.pdf

Form Y28-660S-2 Program Logic IBM System/360 Operating System Introduction to Control Program Logic Program Number 3605-CI-505 3605-DM-50B This publication discusses the compo- nents of the primary control program of IBM System/360 Operating System and indicates the program logic manuals that describe these components. Program Logic Manuals are intended for use ny IBM customer engineers involved in program maintenance, and by system program- mers involved in altering the program design. Program logic information is not necessary for program operation and use; therefore, distribution of this manual is limited to persons with program maintenance or modification responsibilities. RESTRICTED DISTRIBUTION ,PREFACE This publication is an introduction to the logic of the primary control program and to the program logic manuals that describe its components. The figures that trace the flow of CPU control for varfous operations are examples of typical uses of control program facilities. Before using this publication, the read- er should be familiar with the contents of: IBM System/360 Operating System: Intro- duction, Form C28-6534 IBM Systern/360 Operating System: Con- cepts and Facilities, Form C28-6535 IBM Systern/360: Principles of Operation, Form A22-6821 Major Revision (September 1966) This edition, Form Y28-6605-2, is a major reV1S10n of and obsoletes Forms Y28-6605-0 and -1. The system control blocks that were formally in Part II of this publication have been deleted and are now in the publication IBM System/360 Operating System: System Control Blocks, Form C28-6628. This publication was prepared for production using an IBM computer to update the text and to control the page and line format. Page impressions for photo-offset printing were obtained from an IBM 1403 Printer using a special print chain. Requests for copies of IBM publications should be made to your IBM representative or to the IBM branch office serving your locality. A form is provided at the back of this publication for reader's comments. If the form has been removed, comments may be addressed to IBM Corporation, Programming Systems Publications, Department D58, PO Box 390, Poughkeepsie, N. Y. 12602