Thanks a lot for your quick answer and for the info on sonic 2
I tried the new patch but alas : Black Screen directly.
The first one showed the WaterMelon boot screen but after it go back to retron 5 screen.
I don't know if i m doing something wrong as i successfully applied numerous patches on SFC games !
Maybe firmware/app revision ?
Mine are:
Application : V2.2 (build 1789)
System : V.0.2.2
Harware rev: 1.0
If you want to try a patch for another game, i can say i have :
Thunderforce 3 US
Bare Knuckles 3 Jap
Dragon's fury / Dragon's revenge Pal
Thanks again for your hard work
Lo