* A source image can only supply information to a program. [[POINT]] and [[GET (graphics statement)|GET]] might require a source other than the present one.
: ''Explanation:'' Create a new image with handle 'a', then use {{KW|_DEST}} to define the image to draw on. Draw a pixel then set the source to 'a' and use {{KW|POINT}} to show what color is in that position. White (15) and is the color set with {{KW|PSET}}. Use {{KW|_DEST}} 0 for the screen to display the results.