Machine requirements

For assembling High Level Assembler programs: Programs written using High Level Assembler can be assembled, including use of the z/Architecture processor machine instructions, the Extended Architecture mode processor machine instructions, and Enterprise System Architecture mode processor machine instructions, on all System/370 family and its follow-on machines supporting the following operating systems:

You might require an operating system-specific macro library to assemble programs that run under that operating system, depending on macro usage.

For running High Level Assembler programs: A generated object program using z/Architecture, Extended Architecture (370-XA), Enterprise Systems Architecture/370 (ESA/370), Enterprise Systems Architecture/390 (ESA/390), Enterprise Systems/9000 (ES/9000®) or Vector instructions can be run only on an applicable processor under an operating system that provides the necessary architecture support for the instructions used.

Tape device: High Level Assembler is distributed on one of the following:

An appropriate tape device is required for installation.

Double-byte data: Double-byte data can be displayed, entered, or both, in their national language representation on the following:


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