The PDP-11 graphics capable workstation of the time was a great machine in many ways
An emulator was written using SIMH PDP-11 code with added X11, original page: http://xhomer.isani.org/xhomer/
I’ve ported earlier to OpenVMS (VAX/Alpha) and other newer OS’es and decided to do a quick port MacOS on Apple Silicon (M1)

Startup Screen

Startup completed

Application Menu

PRO/Tool, this is DCL (Digital Command Language) that was used on VMS

Demo of Synergy Graphics