When READ_CORE_MEMORY is invoked while an SA-1 or Super FX game is loaded, it will return garbage data from within the RetroArch process (bits found appeared to include config data and RetroAchievements descriptions).
Tested using bsnes-mercury Performance, games included Kirby's Dream Land 3, Star Fox, Super Mario RPG.
When READ_CORE_MEMORY is invoked while an SA-1 or Super FX game is loaded, it will return garbage data from within the RetroArch process (bits found appeared to include config data and RetroAchievements descriptions).
Tested using bsnes-mercury Performance, games included Kirby's Dream Land 3, Star Fox, Super Mario RPG.