Unofficial Port of Batocera for the DMG PiBoy and PiBoy XRS.
Development builds are periodically updated and are located here https://mega.nz/folder/419WXYSZ#xw45B11mlTwkdLBAX7O4OQ
A optimised build for the Steam Deck (OG+OLED) can also be found in the download folder.
Note the Steamdeck version is compiled with "-O2 -march=x86-64-v2 -mtune=znver2" flags, should work on other x86-64 processors circa 2009.
All credits to the team at https://batocera.org/