Commodore: 10 POKE 59459,255: PO=59471: REM PET 10 POKE 56579,255: PO=56577: REM CBM64 10 POKE 37138,255: PO=37136: REM VIC20 20 DIM B(100), T(100) 30 N=0: TI$="000000" 40 POKE PO, 0 100 GET A$ 110 IF A$="" THEN 100 120 IF A$=" " THEN K=0 130 IF A$="R" THEN K=1 140 IF A$="L" THEN K=2 150 IF A$="F" THEN K=3 160 IF A$="G" THEN 300 170 N=N+1: IF N>100 THEN 300 180 B(N)=K 190 T(N)=TI 200 POKE PO,0 220 FOR J=1 TO 200: NEXT 230 POKE PO,K 240 GOTO 100 300 TI$="000000" 310 POKE PO,0 320 FOR M=1 TO N 330 IF TI T(M) 330 ?PORT=0 340 K=INKEY(25) 350 ?PORT=B(M) 360 NEXT M Sinclair: 10 DIM b(100) 20 DIM t(100) 30 LET i=0: LET n=0: LET j=0: LET k=0 100 LET a$=INKEY$ 110 LET i=i+1 120 IF i