Steve Edwards Friday, June 10, 2016, 11:21 PM I'd like to cast another vote for...Dennis Tuesday, September 29, 2015, 04:05 PM Brett, it's time to scan those old RSTS...
If you haven't seen it, Paul Nankervis Javascript PDP-11/70 and PDP-11/45 Emulators are nice eye candy.
You can download the code (Here) or run a RSTS image on RSTS.ORG (Here).