1. A method of applying two effects to an image, the method comprising the steps of using a first microprocessor to apply a first effect to a first frame of said image, said first microprocessor applying said first effect while emulating a second microprocessor; using said second microprocessor to apply a second effect to said first-effected frame, applying said first effect to a next frame by said first microprocessor approximately during the time that said second microprocessor is applying said second effect to said first-effected frame.