ô >Liss "ô Copyright 1996 Steven Singer =ô Permission is granted to distribute this program freely ()ô on the condition it is not changed. 2 <ô tweakable options F Pscreenbanks%=4:ô Try 1 or 4 Z3points%=128:ô must be divisible by screenbanks% d:xss%=19:ô best if xss% and yss% have no common divisor n yss%=23 x'colourrate%=25:ô try 1, 10, 25, 100 ‚"speed%=192:ô Try 128, 192, 256 Œ –ô End of tweakable options   ªë 13 ´È‘ 640,512 ¾‡ È Ò)ô Ensure we have enough screen memory ÜÞ block% 32 æblock%!0=7 ðblock%!4=149 úblock%!8=-1 -È™ "OS_ReadVduVariables",block%,block%+12 size%=block%!12 start%=block%!16 "ç size%<81920 Œ size%=81920 ,dsize%=size%*screenbanks% 6'È™ "OS_ReadDynamicArea",2 ¸ ,ssize% @ç ssize%' ystep%=(ystep%+yss%) ƒ tableacc% H cc%+=1 R ç cc%>=colourrate% Œ \ cc%=0 f col%=(col%+1) € 63 p Í z È™ "OS_Byte",113,b% „ b%=(b% ƒ screenbanks%)+1 Ž È– ˜ ý £ ¢ ¬ ÿ