5 IFMK<>0THEN15
10 POKE46,20:CLR
15 MK=1
20 PRINT"[147]1 START OVERLAY"
25 INPUT "2 ENDE (1-2)";A$
30 I=VAL(A$)
35 ONIGOTO40,45:GOTO20
40 LOAD"OVERLAY1",8
45 LOAD"OVERLAY2",8