control

local CLIENT_PORT = 0
local SERVER_PORT = 1544

local modem = peripheral.find("modem")
modem.open(CLIENT_PORT)

print("I am broadcasting to channel "..SERVER_PORT)



while true do
    local character = io.read()

if character == "clear" then
    for i = 1,25 do
        print(" ")
    end
end

if character == "w" then
        modem.transmit(SERVER_PORT, CLIENT_PORT, "w")
    elseif character == "s" then
        modem.transmit(SERVER_PORT, CLIENT_PORT, "s")
    elseif character == "a" then
        modem.transmit(SERVER_PORT, CLIENT_PORT, "a")
    elseif character == "d" then
        modem.transmit(SERVER_PORT, CLIENT_PORT, "d")
    elseif character == "u" then
        modem.transmit(SERVER_PORT, CLIENT_PORT, "u")
    elseif character == "do" then
        modem.transmit(SERVER_PORT, CLIENT_PORT, "do")
    elseif character == "locate" then
        modem.transmit(SERVER_PORT, CLIENT_PORT, "locate")
        local event, modemSide, senderChannel, replyChannel, message, distance = os.pullEvent("modem_message")
        print(message)
    end
end