Go to the final battle with Ganon. When he knocks the sword out of your hand, save and reset. If you did it right there will be no sword over the green button at the top of the screen. This trick not work? Most likely you have a 1.1 Version or 1.2 Version of Zelda. If you do, and hopefully you have a gameshark there is a way to basically do the same procedure and get the same results. The only difference is you need a certain Gameshark Code. To find out more click here.