Metroid and Mario for NES working.
Failed:
GB: Mario Land 1 (crashes after few seconds)
GB: Wario Land (crashes when chosing save/after few seconds)
GBC: Legend of Zelda Link's awakening (after few seconds)
Sega: Sonic 1 - not loading anything
SNES: Doneky kong country - not loading anything
SNES: Aladin - not loading anything