Testing the faster user port interface

A project log for Bomb Jack display hardware

Retro arcade style hardware

Martin PiperMartin Piper 11/26/2020 at 05:150 Comments

This video reviews the delivered components and PCBs, reviews logic analyser tests, and then tests video output on a Commodore 64.

The user port interface has an auto-increment memory address, which makes it over six times faster than the 4-bit alternating latch prototype user port interface.