Because versions change, a ROM that works on MAME 0.250 will work on MAME 0.78. This is why a specific, dated set is required.
This BIOS pack is designed for the (the full collection). Because MAME is version-locked, a ROM that works in MAME 0.270 likely won't work in 0.78. This BIOS pack bridges the gap for those of us keeping the old version alive on Pentium 4 machines, OG Xboxes, or Raspberry Pi 1 builds. mame 078 bios pack new
: If some games have missing or distorted audio, place the contents of your Because versions change, a ROM that works on MAME 0
If you are running the standalone version of MAME 0.78 (or a port like MAME4droid): Because MAME is version-locked, a ROM that works in MAME 0
Getting into arcade emulation can feel like a maze, especially when you hit "File Not Found" errors on games you were sure you downloaded correctly. If you are using the core (a favorite for and lower-end devices), the MAME 0.78 BIOS Pack is often the missing piece of the puzzle.