Erik,
you can tell I never really used it! I used to key in the bootloader by hand rather than load from paper tape!!!

Paul could use 'G' codes to control the robot (these are a standard code used for OLD cnc machines). Then he'll need a votrax sc-01 speech chip to give it the retro voice. Do you want to play a game? Thermo nuclear war?

It will also need a ECC82 valve on it's head for real retro look & feel.