for music, which must be placed in a specific folder alongside the EverDrive Support

firmware). Archive updates now frequently include specialized patches or "mappers" that allow the ROM to communicate with an emulated version of the DT121M16 chip. RetroArch and Genesis Plus GX

The "upd" (update) suffix usually implies the latest attempt to fix or audio glitches that occur when running the game without its original, proprietary hardware.

, though it requires converting MP3 audio files to WAV format. Game Review: Is It Good?