rtrader tablet

local component = require("component")
local modem = component.modem
local cls = require("term").clear
local E = require("event")
modem.open(port)
local port, e = 789

while true do
  e = {E.pull()}
  if e[1] == "modem_message" and e[5] < 20 then
    if e[6]:sub(1, 1) == "#" then
      cls()
    end
    print(e[6])
  elseif e[1] == "key_down" then
    if e[4] == 200 or e[4] == 208 or e[4] == 28 then
      modem.broadcast(port, e[4])
    end
  end
end