test1

mon = peripheral.wrap("top")
mon.clear()
e = os.pullEvent()
Xcenter = mon.getSize(x)
Ycenter = mon.getSize(y)
print("X axis is ",Xcenter)
print("Y axis is ",Ycenter)
x = Xcenter/2-1
y = Ycenter/4
mon.setBackgroundColor(colors.red)
for i = 1,5 do
  mon.setCursorPos(x, y+1)
  for d = 1,5 do
    mon.write(" ")
  end
  y = y+1
end