Javier Rodas on X: "@ScarletSprites @topapate Hi, maybe I'm wrong but it seems that the MiSTerCade is not mapping the Ac/25 and Ad/26 pins, right?(As they are part of the JAMMA Plus
Pinout Help - JammaBoards.com
Understanding the JAMMA PCB and Edge Connector Pinout - AceAmusements.us
Arcade1Up JAMMA Arcade Cabinet | Adam Z's Notes and Things