10 REM"     > ``````````````` (C) 1985 - Melvyn Wright 20 MODE7:IFINKEY(-256)<>-1 PRINT"Seri es 1 Operating System required": 30 A%=234:X%=0:Y%=255:IFUSR(&FFF4)AND &FF00 PRINT"Switch TUBE off and restart" :END 40 HIMEM=&3000:FORN%=0TO&3FF STEP4:N% !&900=N%!(PAGE+&200):NEXT 50 *R.SnowCde