textexample

local z = 1
while true do
  local event, button, x, y = os.pullEvent( "mouse_click" )
  local i = 0
  term.setBackgroundColor(32768/z)
  z = 1
  while i < x do
    i = i+1
    z = z*2
    if z > 32768 then
      z = 1
    end
  end
  term.setCursorPos(x,y)
  term.setTextColor(z)
  print(z,x,y)
  term.scroll(1)
end