Sea Wolf game/test mode switcher

[KLOV]

I'm not sure how much general interest there would be in this, but with my recent update to my Sea Wolf test ROM, I decided I'd like to have the ability to run the test ROM without pulling my game out and swapping ROM chips. Plus this is the first PCB I've made since I last made one professionally back in the 90's, so I figured it would be a fun project.

Instead of a 2716, it uses a 2732 with the game ROM in the lower half and test ROM in the upper half, and the active half is chosen via...

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Source: https://forums.arcade-museum.com/thread ... er.532291/