Test1

bexit = false
id = os.getComputerID()
x,y = term.getSize()
i=3

local function openRednet()
  for _,side in pairs(rs.getSides()) do
    if peripheral.isPresent(side) and peripheral.getType(side) == 'modem' then
      rednet.open(side)
      return(side)
    end
  end
  print("No modem present!")
end

function slow(text,h)
  w = math.floor((x-string.len(text))/2)
  term.setCursorPos(w,h)
  textutils.slowPrint(text)
end

function intro()
  term.setTextColor(colors.red)
  term.setBackgroundColor(colors.yellow)
  slow("#  # #  # #    #### #   #",3)
  slow("#  # #  # #    #    ## ##",4)
  slow(" ##   ##  #    ##   # # #",5)
  slow("#  #  ##  #    #    #   #",6)
  slow("#  #  ##  #### #### #   #",7)
  term.setTextColor(colors.green)
  slow("Crypochat",9)
  term.setBackgroundColor(colors.black)
end

function drawTab()
  term.setTextColor(colors.yellow)
  --clear()
  term.setCursorPos(1,1)
  term.clearLine()
  print("Computer ID "..id)
  term.setCursorPos(x-string.len("type 'help' for help"),1)
  print("type 'help' for help")
  term.setCursorPos(1,2)
  term.clearLine()
  print("__________________________________________________")
  term.setCursorPos(1,y-3)
  term.clearLine()
  print("__________________________________________________")
  term.setTextColor(colors.white)
end

function clear()
  term.clear()
  term.setCursorPos(1,1)
end

function help()
end
function idfunc()
end
function clear2()
end
function input()
  term.setTextColor(colors.white)
  term.setCursorPos(1,y-1)
  local message2 = read()
  term.setCursorPos(1,y-1)
  term.clearLine()
  if message2 == "help" then
    help()
  elseif message2 == "exit" then
    bexit = true
  else
    --term.setTextColor(colors.green)
    win("Me: "..message2)
    rednet.broadcast(tostring(id),message2)
    --term.setTextColor(colors.white)
  end
end

function win(text)
    if i > y-5 or i==y-5 then
      term.setCursorPos(1,y-3)
      term.clearLine()
      term.setCursorPos(1,4)
      term.clearLine()
      term.scroll(1)
      drawTab()
      term.setCursorPos(1,y-5)
      print(text)
    else
      term.setCursorPos(1,1+i)
      print(text)
      i = i+1
    end

end

modemSide = openRednet()
if modemSide == nil then
  print("No modem connected")
else
  print("Opened modem on "..modemSide.."!")
end

--Introduction
term.clear()
term.setCursorPos(1,1)

if modemSide ~= nil then

  --intro()
  term.setCursorPos(1,11)
  print(“What is the id of you partner?”)
  id2=io.read()
  print("Press any key to continue")
  key = os.pullEvent("key")

  while key == nil do
    sleep(0.1)
  end
  clear()
  while bexit == false do

    local timer = os.startTimer(.25) --.25s
    local event, senderid, message, distance

    repeat
        event, senderid, message, distance = os.pullEvent()
    until event ~= "timer" or timer == senderid
    if event == "timer" then
        drawTab()
        input()
    elseif event == "rednet_message" then
        win(id2..”: "..message)
    end
  end
end