1270 IF PEEK(53251)=0 THEN 1330›1280 CHANGE=-CHANGE:POKE 1791,129-PEEK(1791):POKE 53255,127+77*CHANGE›3310 FOR BYTE=39 TO 205:POKE PA+768+BYTE,192:NEXT BYTE›5440 POKE 704,15:POKE 705,40:POKE 706,40:POKE 707,15›5450 POKE 53248,128:POKE 53249,0:POKE 53250,5:POKE 53255,204›