10 BOOLEAN%=0:W%=SCREENWIDTH(0):H%=SCREENHEIGHT(0)
20 GELLOAD "IMAGE","Image.png"
21 X%=0:Y%=H%/2-GELHEIGHT("IMAGE")/2
30 SPRITEGEL "SPRITE","IMAGE"
40 SPRITEMOVE "SPRITE",X%,Y%
50 IF BOOLEAN%=0 THEN X%=X%+1
60 IF X%>W%-GELWIDTH("IMAGE") THEN BOOLEAN%=1
61 IF BOOLEAN%=1 THEN X%=X%-1
62 IF X%<0 THEN BOOLEAN%=0
70 SLEEP 10
80 GOTO 40