This video is a 6-frame animated GIF that I converted to the SBC-3. I copied the six frames into blocks 2-7 and used the NMI video refresh to cyle through the frames at about 6 frames per second. Enjoy!

The original image

My concept picture:

Actual board picture:

Here is the layout for SBC-3.1

Here is the top layer:

Here is the bottom layer:

The prototype, for those interested, consists of a Core SBC-3 with a 65SPI & 65C22 I/O board connected to the expansion port and ATMega8 board connected to the SPI interface.