## Link to GitHub Issue or related Pull Request, if one exists
#618
## Description of change
Wire up coin and more lights to bi3a_hook.
## Testing
Tested on U region
## Link to GitHub Issue or related Pull Request, if one exists
#618
## Description of change
Basic support for lights - subwoofer RGB and button lights.
## Testing
Tested on title screen and in-game.
Tested beat pop as well since that lights up the colors in white/blue.
## Link to GitHub Issue or related Pull Request, if one exists
#618
## Description of change
Implement BI2X hook I/O for service/test/coin/headphones and the deka
pop-kuns.
bicarus