display

mon = peripheral.wrap("back")
rednet.open("top")

function display()
x,y = mon.getSize()
--mt = {}
mon.setBackgroundColor(colors.black)
mon.clear()
mon.setTextColor(colors.black)
levels = 5 --put in your number of levels. this can be a variable.
digi = levels
p = 0
for i = 1, levels, 2 do
  p = p + 1
  mon.setCursorPos(x/2,digi)
  digi = digi - 1
  mon.setBackgroundColor(colors.yellow)
  p = tostring(p)
  mon.write(" "..p.." ")
  p = tonumber(p)
  p = p + 1
  mon.setCursorPos(x/2,digi)
  digi = digi - 1
  mon.setBackgroundColor(colors.orange)
  p = tostring(p)
  mon.write(" "..p.." ")
  p = tonumber(p)
end
end

while true do
  display()
  event, side, xPos, yPos = os.pullEvent("monitor_touch")
  Floor = levels - yPos + 1
  if Floor > 0 then
    rednet.send(45, Floor)
  end
end