HP 21MX Ethernet/SCSI card?

J. David Bryan jdbryan at acm.org
Sat Feb 21 14:51:12 CST 2015

On Saturday, February 21, 2015 at 13:56, Johannes Thelen wrote:

> This is topic of its own, but do anyone know any 21MX assembler and
> microassembler for DOS/Windows? Or have I make one..? 

The RTE operating system package available here:


...will run under SIMH on a Windows system.  The (native) assembler is
preloaded on this system.

The (native) microassembler add-on package is available here:


It can be loaded and run on the above system.  The assembler and
microprogramming manuals are available on Bitsavers as well.

                                      -- Dave

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