Displaytext

cb = peripheral.wrap("left")
sm = peripheral.wrap("right")
sp = peripheral.wrap("back")
mon = peripheral.wrap("top")
a = {"","","","","","","","","","","","","","","","","","","","","","","","","",""}
x = 0

local function display()
  mon.clear()
  for i = 1 , 26 do
    mon.setCursorPos(1,i)
    mon.write(a[i])
  end
end

local function move(message)
  for i = 2, 26 do
    a[i-1] = a[i]
  end
  a[26] = message
end

while rs.getInput("bottom", true) do
  e,player,message = os.pullEvent("chat")
  print(e)
  sp.speak(message)
  sm.send("smarthelmet",player..": "..message, 10000000)
  if x == 26 then
    move(player..": "..message)
  else
    x = x + 1
  end
  a[x] = player..": "..message
  display()
end