10 A=PEEK(203):ONAGOTO60,70,50,20,30,40:GOTO10
20 PRINT"F1":GOTO10
30 PRINT"F3":GOTO10
40 PRINT"F5":GOTO10
50 PRINT"F7":GOTO10
60 PRINT"RETURN":GOTO10
70 PRINT"CURSOR RECHTS":GOTO10