To filter down to specifics or verify if a niche game works in a 0.78 set, use the specialized ArcadeItalia MAME Database , where you can actively search for historical emulator support. 📂 MAME 0.78 Core Composition
Version 0.78 is a "frozen" standard in the emulation community. Unlike the latest MAME releases which update monthly, 0.78 is used as a baseline for low-power devices like the Raspberry Pi because it offers a perfect balance between performance and a massive library of classic 80s and 90s arcade hits. MAME_078 directory listing - Internet Archive mame 078 game list link
“MAME 0.78 ROM set (merged)”