Or you can find some software online to enable your joystick to use your keyboard.JoyToKey
Download Xpadder
These two options do not give you movement sensitivity.You might as well be using a D-Pad if you pick one of these two.
Motioninjoy(i think it supports PS1 Controlers)
Xpadder has mouse sensitivity options for things set to control mouse.
http://glovepie.org/glovepie.php
Glovepie Isn't for mac dipstuff. MAC COMPATABLE ONLY!
Ask Badspot. OR LISTEN TO THE PEEPS!