Or as I post earlier you can overclock it directly in the source. As long as is for private use I don't see the harm on that.
And I am not saying that the NES Double Dragon wasn't awesome but I am referring to the deceptive campaign in my country to sell the game. It was marketed with the slogan of "Bring the Arcade to your home" and when I finally bought it I was totally pissed and disappointed so naturally I oversaw its redeeming points.