matrix

x, y = term.getSize()
term.setTextColor(colours.lime)
term.clear()
function draw()
term.setCursorPos(math.random(1,x),math.random(1,y))
write(string.char(math.random(32,126)))
curx, cury = term.getCursorPos()
end
function run()
while true do
 num = 0
 repeat
 draw()
 num = num + 1
 until num == 100
 sleep(0)
end
end
run()