local component = require("component")
local m = component.proxy(component.list("modem")())
m.setStrength(100)
m.open(100)
m.broadcast(100, "hello")

local event, listeners, timers = {}, {}, {}
local lastInterrupt = -math.huge

function event.listen(name, callback)
  checkArg(1, name, "string")
  checkArg(2, callback, "function")
  if listeners[name] then
    for i = 1, #listeners[name] do
      if listeners[name][i] == callback then
        return false
      end
    end
  else
    listeners[name] = {}
  end
  table.insert(listeners[name], callback)
  return true
end

event.listen("modem_message", function(_,_,from,port,_,message)
print(tostring(message))
end)