I think people have answered your questions but if not my online PDP-8
interface should work like the real front panel. It is a real 8/E but
the web interface is a custom board I made. I copied the front panel logic
so it should act the same and it seemed to in my testing.
http://www.pdp8.net/run.shtml
David Gesswein
http://www.pdp8.net/ -- Run an old computer with blinkenlights.
Have any PDP-8 stuff you're willing to part with?