10 MODE 0 20 GCOL 4,0 30 FOR Y=0 TO 1279 STEP 5 40 FOR X=0 TO 1279 STEP 5 50 MOVE Y,1024 60 DRAW X,0 70 NEXT X 80 FOR P=0 TO 1024 STEP 5 90 MOVE Y,1024 100 DRAW 1279,P 110 NEXT P 120 NEXT Y