Super Tech circuit diagram

I'm looking for a cct diagram for the controller that Dennis Bohlke produced about 15 years ago, to work with the SuperCam cad/cam program he produced.
Any help ?
John

EDIT I had thought I my try contacting Dennis once more, as he originally sent me the cct diagram. Unfortunately I've left it about 4 years too late, as I found a memorial reference to him dated 2020.

Just found a copy I had posted on CNCZone in January 2010 !

Clicking on the attached pdf will show the cct, for anyone else in my situation.

John