How could anyone help you when you never told us what emulator you're using? Obvously we'd need to know since every emulator is different and we wouldn't even know if you had an emulator that supports joysticks. I also find it a bit odd that you thought to post a SNES question here
Anyway, I use ZSNES and it works just fine with my joystick. I go to Config > Set Keys > Input 1 and just go from there. Recognizes my joystick no prob. Also, (I hope you've at least done this), have you tested your joystick on other games on your computer? Gone into the control panel of your OS and made sure that it recognizes your joystick and everything functions correctly?