Hi all. I am making progress with the project. The core board is nearly finished, I hope to burn the simple monitor software in EPROM this weekend. See http://home.hetnet.nl/~tshaj/pdpsite/homebrew/startframe.html which is updated. If you wonder "how could he write the software that fast?" : simple; I had that already running in my SpaceShip Simulator. "What's that", you are wondering now... Have a look at http://home.hetnet.nl/~tshaj and click on the starfield picture .... (I am not forbidding you to click on the PDP-11/35 console ...) Have a nice weekend, - Henk.