Scale2x is real-time graphics effect able to increase the size of small bitmaps guessing the missing pixels without blurring the images. It was originally developed for the AdvanceMAME project in the year 2001 to improve the quality of old games with a low video resolution. Derivative Scale3x and Scale4x effects which scale the image of 3x and 4x are also available. Scale2x is used in the followin