text

m = peripheral.wrap("left")
m.clear()
m.setCursorPos(1,1)

local function centerText(text)
  x,y = m.getSize()
  x1,y1 = m.getCursorPos()
  m.setCursorPos((math.floor(x/2) - (math.floor(#text/2))), y1)
  m.write(text)
end

centerText("")
centerText("Blau = Spawner")
centerText("")
centerText("Weiss = Licht")
centerText("")
centerText("Gruen = Grinder")
centerText("")
centerText("Gelb = Tuer")