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High Level Assembler (HLASM) and Toolkit Feature

Performance information

To get a deeper understanding of IBM's High Level Assembler and Toolkit Feature, view or download these SHARE presentations (written by John Ehrman of the IBM Silicon Valley Laboratory):

  • High Level Assembler Release 5: New Features and Functions
    Describes the new features, functions and performance enhancements available in Release 5.
    View the PDF in screen layout or view the print version with full details.

  • Extending the Life Cycle of Legacy Applications: Specific to Assembler Language
    Provides techniques for modernizing legacy Assembler code, using High Level Assembler, so that your existing applications remain viable.
    View the PDF in screen layout or view the print version with full details.

  • Finding and Fixing Assembler Language Problems: How High Level Assembler Can Help
    Summarizes many ways to benefit from the capabilities of the High Level Assembler, particularly for locating problems with Assembler Language programs.
    View the PDF in screen layout or view the print version with full details.

  • ESA/390 Enhanced Floating Point Support: An Overview
    Provides definitions, standards and methods of working with Floating Point Data.
    View the PDF in screen layout.

  • High Level Assembler Release 4: New Features and Functions
    Describes the new features, functions and performance enhancements available in Release 4.
    View the PDF in screen layoutor view the print version with full details.

  • High Level Assembler: Benefiting From Its Powerful New Features
    Provides insider tips on getting the best out of the new features in Release 4.
    View the PDF in screen layout or view the print version with full details.

  • High Level Assembler: Toolkit Feature Technical Overview
    Describes the components of the Release 4 Toolkit Feature, and shows how its components can be used at all stages of program development and deployment.
    View the PDF in screen layout or view the print version with full details.

  • Assembler Language as a Higher Level Language: Macros and Conditional Assembly Techniques
    Provides an overview and practical examples of Assembler language macros and conditional assembly techniques.
    View the PDF in screen layout or view the print version with full details.

  • How the Linkage Editor Works: A Tutorial on Object/Load Modules, Link Editors, Loaders, and What They Do for (and to) You
    Describes the fundamental concepts of the Linkage Editor and a step-by-step guide to applying the concepts to your programs.
    View the PDF in screen layout or view the print version with full details.

  • The DFSMS/MVS Binder and Its "Program Object" Format: What The New Program Model Will Mean to You
    Provides an overview of the new DFSMS/MVS Binder and Program Loader and reviews the structural relationship and differences between the old object and load modules and the new executable-module structures: Program Objects.
    View the PDF in print layout.

  • eserver zSeries ("Freeway") Machines: an Assembler Programmer's View
    Describes the architecture, instructions and addressing mode used by the zSeries Servers.
    View the PDF in screen layout.

  • Continuing to profit from legacy Assembler code
    Provides techniques for modernizing legacy Assembler code, using High Level Assembler, so that your existing applications remain viable.
    View the print version of the PDF, with full details.

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