Introduction

This is not a comprehensive Assembler Programming tutorial.

The aim is to provide familiarisation with High Level Assembler such that programmers in other languages, such as COBOL and PLI, may more easily interpret Assembler source code and listings.

Listed opposite are the main areas of discussion.

Main topics discussed

Differences in documentation - i.e. IBM Manuals
Statement layout
Compilation differences, i.e. the emphasis on extra coding required.
Interaction with hardware, General Purpose Registers
How data item declaration is different
How the processing element differs.