// XXX provide documentation and implementation // see: https://www.lemon64.com/forum/viewtopic.php?t=64721&sid=bc400a5a6d404f8f092e4d32a92f5de7 // https://www.lemon64.com/forum/viewtopic.php?t=70680&sid=3ff66caf7f5fdf2a3c2ff2ee31fc3fd8 // https://codebase64.org/doku.php?id=base:assembling_your_own_cart_rom_image NEWSTT: STUB_IMPLEMENTATION()