sness

Hi I wish to play Sega MegaDrive Roms Multiplayer on my PSP. Picodrive - Not possible yet. but I perfer this Emu. DGEN - I seen a youtube video, It is possible, but how? I am using Dgen 1.70 lite, other version dont work. I used adhoc 1 and adhoc 2 on both psp, both ways round. but nothing...