MODE 21 GCOL 1 RECTANGLE FILL 100,100,500,200 GCOL 4 RECTANGLE 100,500,500,200 GCOL 2 FILL 200,600 WAIT 100 GCOL 3 REM This should fail FILL 200,200 REM But this should work.... GCOL 128+1 :REM Set background to the red of the bottom rectangle GCOL 7 FILL 200,200