Loads a large colour bitmap's data from file into a buffer in chunks. Splits image up into 16 pieces.
Mixes up puzzle to chosen level of difficulty.
Use keys to slide the puzzle pieces back into the correct positions.
Choose a different picture from up to 10 placed in 'puzzles' folder. Images need to be 320x240 RGBA2222 format. ie, 76,800 bytes in size.
Place the slider.bin file on the SD card, plus the puzzle folder at the same level of the SD card.
Run slider.
