[Simh] FYI Non-SimH Prime 50-Series emulator

[Dennis Boone]

> Today, with much help from Dennis Boone, I'm releasing the Prime
> emulator source code on GitHub for non-commercial use.  This is the
> full version of the emulator running on Linux and supports:

To make it slightly closer to topic, note that the original Prime
architecture was a clone of the Honeywell x16 family, which is
represented by the h316 in simh.

De