10 IFA=0 THEN A=1:LOAD"OFF SCREEN TRACE",8,1
20 PRINT"[147][159]      OFF SCREEN TRACE ACIVATED"
30 A$="SYS34816[154]"+CHR$(13):POKE198,LEN(A$)
40 FORI=1TOLEN(A$):POKE630+I,ASC(MID$(A$,I)):NEXT
50 PRINT"":NEW