I had a Tektronix 620 lying around, so I built a wireless display for my PiDP8 so that it could play Spacewar on an old-time X-Y display. The hardware is pretty good, but the firmware isn't perfect (and my code style is "basic hack". Because the persistence of this particular display isn't great, the display "flashes" more than I'd like it to. I've been considering replaying some parts of the ring buffer.

This was the very first time I've ever used a schematic drawing program, so have mercy.