startup.lua

rednet.open("front")
local mn = peripheral.wrap("top")
mn.setBackgroundColor(colors.black)
mn.clear()
local sx,sy = mn.getSize()
for i=1,sy do
  mn.setCursorPos(2,i)
  mn.setBackgroundColor(colors.orange)
  mn.write(" ")
  mn.setCursorPos(sx-1,i)
  mn.write(" ")
  os.sleep(0.025)
end
for g=3,sx do
for i=1,sy do
  mn.setCursorPos(g,i)
  mn.setBackgroundColor(colors.red)
  mn.write(" ")
end
  if(g == sx-2) then
    break
  end
end