This reference manual contains CPU and I/O programming information, as well as related capacity and speed data for the IBM 1130 Computing System. Specific subjects described are:

This publication is intended primarily for programmers who need to know the functions of the machine instructions, (related to the assembler language mnemonics), the functions of attachable I/O devices, and the capacity and timing of the IBM 1130 Computing System. Because programming examples herein use 1130 assembler mnemonics, this manual should be used in conjunction with the IBM 1130 Assembler Language manual, Order No. GC26-5927, which describes the syntax of the assembler language as used in the 1130 system.

The reader of this publication should have a working knowledge of basic terminology and concepts of data processing systems. He should also have some experience in a programming language, preferably the assembler language. The reader will probably find that a basic background in communications terminology and concepts is necessary before he can effectively use the section of this manual dealing with the synchronous communications adapter. Certain sections of this manual assume that the reader be able to convert numbers that are represented in binary symbols to equivalent numbers represented in hexadecimal or decimal symbols. Such conversions are explained in Number Systems, Order No. GC2O-161 8.

Operator procedures for the CPU console and the I/O devices attachable to the 1130 system are described in IBM 1130 Operating Procedures, Order No. GA26-571 7. All 1130 system publications are listed and abstracted in the IBM 1130 Bibliography, Order No. GA26-5916. Basic IBM 1130 Systems Reference Library (SRL) publications are:

Note. The IBM 1131 Models 4A and 4B,and the IBM 1132 Model 2, are available only in the United States and Canada.

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