Duration
7 hours
Overview
The Assembler Instructions course describes how to code instructions which will perform: arithmetic calculations, data comparisons and branching. Details of various Assembler linkage conventions and how they are used are also discussed.
Audience
System or application programmers who code Assembler programs or maintain system related programs and user exits
Prerequisites
Completion of the “Introduction to Assembler” course or equivalent experience, knowledge of programming concepts, and experience with IBM MVS architecture
Objectives
After completing this course, the student will be able to:
- Identify how to code an Assembler program by using the z/OS instruction repertoire
- Recognize ways of linking to internal and external Assembler routines
Course Content
Loading and Storing
Load and Store Instructions
Load Multiple and Store Multiple Instructions
Insert and Store Characters
Load Address Instruction
Binary Arithmetic
Binary Arithmetic Instructions
Add, Subtract, Multiply and Divide
Algebraic Shifts
Logical Shifts
Data Conversion Instructions
Decimal Arithmetic
Data Movement Instructions
Decimal Arithmetic
Shift and Round
Logical and Boolean Operations
Translations
Comparisons
Logical Comparisons
Binary Integer Comparisons
Decimal and Bit String Comparisons
Sequencing and Control
Branch Instructions
Linkage
Program Linkage
Subroutine Linkage
Linkage Stack
Bi-Modal Linkage