Assembler Language Debugging and Maintenance

Course Number:  684-TF
Recommended Duration:  2 days

Intended Audience
Experienced Assembler programmers needing to learn additional support, design, debugging, or maintenance skills.

Course Overview
This course provides students with a solid basis for debugging and dump reading Assembler programs in the MVS and OS/390 environments.

Objectives
Students who complete this course will be able to write or maintain Assembler programs that involve subroutine linkages.

Prerequisites
Students entering this course should be familiar with the machine instruction set and the basic Assembler instructions and coding techniques.

Topics

• Program linkages and save areas

• Obtaining PARM data from the EXEC statement

• QSAM macros and processing

• SYNAD routines

• Subroutines and the Linkage Editor and the Program Binder

• Debugging and dump reading

• The WTO macro

• Virtual storage services: GETMAIN, FREEMAIN

• The SNAP macro