The generated image is 768 pixels wide and 512 pixels high. If the input is larger, it is truncated. If it is smaller, it is padded on the top and right with black. RletoabA62 normally writes two consecutive frames, normally starting at frame 1.
Input is taken from stdin unless a file name is given on the command line.
The following example converts all files ending in . Two frames are written per image and the frame number is incremented accordingly. Create the first frame as Abekas frame number n , having a value from one to four. Consecutive frames increment this number modulo four. The default is one.