10 REM VERTICAL SCROLLING EXAMPLE›15 GRAPHICS 0›20 DLIST=PEEK(560)+256*PEEK(561)›30 LMSLO=DLIST+4›40 LMSHI=DLIST+5›50 SCREENLO=O:SCREENHI=O›60 REM SCROLL TO NEXT LINE›70 SCREENLO=SCREENLO+40›80 REM CHECK FOR OVERFLOW & ADJUST›90 IF SCREENLO<256 THEN 140›100 SCREENLO=SCREENLO-256›110 SCREENHI=SCREENHI+1›120 IF SCREENHI=160 THEN END ›130 REM ADJUST LMS POINTERS›140 POKE LMSLO,SCREENLO›150 POKE LMSHI,SCREENHI›160 FOR DE=1 TO 50:NEXT DE›170 GOTO 70›