I found out why Starfox wouldn't work - the image got corrupted (i frequently moved it between my laptop and pc) and after redumping it the game works flawlessly.
So if someone else is getting a black screen and has found out that the problem wasn't in the configuration - try to redump it!
So if someone else is getting a black screen and has found out that the problem wasn't in the configuration - try to redump it!