Sender

--[[ startup
id="ZpfzEeat"
loadstring(http.get("http://pastebin.com/raw.php?i=" .. id).readAll())()
]]--

modem = false
myChannel = 6635
targetChannel = 6636

for a,b in pairs(rs.getSides()) do
    if peripheral.getType(b) == 'modem' then
        print("Found modem on " .. b .. ", attaching to " .. myChannel)
        modem = peripheral.wrap(b)
        modem.open(myChannel)
        break
    end
end

print("Press W to move north, Z to move south, A to west, S to move east, E to move up and D to move down.")

while true do
    local event, key = os.pullEvent("key") -- limit os.pullEvent to the 'key' event
    local tosend = false

    if key == keys.w then
        tosend = "move.north"
    elseif key == keys.z then
        tosend = "move.south"
    elseif key == keys.a then
        tosend = "move.west"
    elseif key == keys.s then
        tosend = "move.east"
    elseif key == keys.e then
        tosend = "move.up"
    elseif key == keys.d then
        tosend = "move.down"
    end

    if tosend then
        modem.transmit(targetChannel, myChannel, tosend)
    end
end