IBM A22-6821-6 360PrincOpsJan67 free download

File name A22-6821-6_360PrincOpsJan67.pdf

File No. S360-01 . Form A22-6821-6! . Systems Reference Library IBM System/360 Principles of Operation This publication is the machine reference manual for the IBM System/360. It provides a direct, comprehen- sive description of the system structure; of the arith- metic, logical, branching, status switching, and in- put/output operations; and of the interruption system. The reader is assumed to have a basic knowledge of data processing systems and to have read the IBM System/360 System Summary, Form A22-6810, which describes the system briefly and discusses the input/ output devices available. For information about the characteristics, functions, and features of a specific System/360 model, use the functiomiI characteristics manual for that model in conjunction with the IBM System/360 Principles of Operation. Descriptions of specific input/output de- vices used with the System/360 appear in separate publications. Publications that relate to the IBM Sys- tem/360 Model 20 are described in the IBM Sys- tem/360 ~lodel 20 Bibliography, Form A26-3565. Other IBM Systems Reference Library publications concerning the System/360 are identified and de- scribed in the IBM System/360 Bibliography, Form A22-6822. SEVENTH EDITION This is a reprint of Form A22-6821-5 incorporating changes released in the following Technical Newsletter: FORM NUMBER PAGES AFFECTED DATE N22-0244 Contents, 11, 12, 13, 34, January 13, 1967 36,39,40,57-61, 71-75, 133-136, 136.1, 136.2, 150, 150.1, 150.2, 150.3, 161, 167, 168, Index. Specifications contained herein are subject to change from time to time. Any such change will be reported in subsequent revisions or Technical Newsletters. Requests for copies of IBM publications should be made to your IBM repre- sentative or to the IBM branch office serving your locality. This manual has been prepared by the IBM Systems Development Division, Product Publications, Dept. B98 PO Box 390, Poughkeepsie, N.Y. 12602. A form is provided at the back of this publication for reader's comments. If the form has been removed comments may be sent to the above address. Contents IBM System/360 ... ... ... ... ... ... 5 Shift Right Single ... ,... ,... 33 General-Purpose Design ... 5 Shift Left Double ...