10 REM +------------------------------+
20 REM ! Program ...  CSUMTEST.BAS    !
30 REM ! Utg}va 1.0    1981-01-27     !
40 REM ! Av (c) Jan K{rrb{ck  <765>   !
50 REM ! F|r 16kbytes minne.          !
60 REM ! Ins{nt av <765>              !
70 REM +------------------------------+
80 REM ! Screenat av                  !
90 REM ! Allan Varcoe & G|ran Olsson  !
100 REM +-----------------------------+
110 POKE 65408%,17%,0%,64%,99%,107%,67%,27%,26%,79%,9%,123%,178%,32%,248%,201%
120 Z%=CALL(65408%)
130 ; : ; '* ABC80 CSUMTEST Vers 1.0 *' : ; : ; 'Checksumma BASICROM ='Z%