10 DIM DISPLAY$(23)›20 ? "}":POKE 752,1›30 POSITION 5,5›40 KEYS=PEEK(53279)›50 ON KEYS+1 GOSUB 100,110,120,130,140,150,160,170›60 ? DISPLAY$›70 GOTO 30›100 DISPLAY$="OPTION + SELECT + START":RETURN ›110 DISPLAY$="OPTION + SELECT ":RETURN ›120 DISPLAY$="OPTION + START ":RETURN ›130 DISPLAY$="OPTION ":RETURN ›140 DISPLAY$="SELECT + START ":RETURN ›150 DISPLAY$="SELECT ":RETURN ›160 DISPLAY$="START ":RETURN ›170 DISPLAY$="NO KEYS ARE PRESSED ":RETURN ›