fairchild channel f emulation

hello all. i created an account here just for this so i'm hoping someone can help me i've been trying for weeks(on and off) trying to get a fairchild channel f emulator running. i heard mess was a good one for it but everytime i try to play a game there i just get a black screen with numbers(looks like pong)this happens with everygame and nothing happens no matter what i press on the keyboard. im totally lost with this if anyone can give me any help i would very much appreciate it.Cheers!