Dave's unofficial HLASM web page

IBM's High Level Assembler (or HLASM for short) is a user-friendly assembler for IBM mainframes. It runs on the z/OS, z/VM and z/VSE operating systems.

  * HLASM FAQ

  * HLASM tips

  * z/Architecture Assembler FAQ

  * z/Architecture Assembler tips

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Official IBM HLASM web site

As Roland likes to say: "May the HLASM be with you!"

Dave's unofficial HLASM web page is not affiliated with IBM.
High Level Assembler, HLASM and S/390 are registered trademarks of IBM.

Dave's HLASM & S/390 FAQ and tips web pages IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.