180 X=USR(ADR(MISCLR$),PA+768,255,252):POKE 1720,0:RETURN ›1090 IF PEEK(1720)<>0 THEN GOSUB 180›1110 POKE 53278,0›1120 IF STRIG(0)=1 OR PEEK(1700)<>0 OR PEEK(1720)<>0 THEN 1270›1150 POKE PA+968,1:POKE 53278,0:POKE 1712,15:POKE 1716,6:POKE 1720,0:POKE 1700,1›5340 POKE 1700,0:POKE 1720,0›