1 REM Ins{nt av 559
10 REM  ENKEL FREKVENSR[KNARE
20 REM  0-20000 Hz
30 REM  ING]NG V24 STIFT 3 (RXD)
40 REM  BENGT HOLGERSSON <559>
50 POKE 65408%,175%,103%,111%,71%,50%,240%,253%,58%,240%,253%,254%,255%,32%,249%,219%,58%,230%,1%,32%,4%,184%,40%,1%
60 POKE 65431%,35%,71%,58%,240%,253%,254%,206%,48%,238%,201%
70 ; CHR$(12%);
80 ; CUR(12%,14%)CALL(65408%)' Hz      ' : GOTO 80