If something doesn't work, please consider opening an Issue
with as many details as possible, as well as the console log.
A library overview for your ROM folder.
The new cores are now the stable cores, if you want to
continue using the old cores, add this line to your code
EJS_oldCores = true;
>> When reporting bugs, please specify that you are using the old version
Game Boy Advance | Famicom / NES | Virtual Boy
Master System | Mega Drive | Game Gear
2600 | 5200 | 7800 | Lynx | Jaguar
TurboGrafs 16 PC Engine | WanderSwan Color | Neo Geo Poket
PlayStation | Arcade | MSX | 3DO | MAME 2003