View difference between Paste ID: fUNbhx4M and nGxbUE64

-modem = peripheral.wrap("top")
+local modem = peripheral.find "modem"
 
 local function send_raw(text)
-	modem.transmit(126, 126, "PotatOS")
+	modem.transmit(124, 124, text)
-	sleep(1)
+end
-	modem.transmit(126, 126, "ShutdownOS")
+
-	sleep(1)
+local function stupid_encode(text)
-	modem.transmit(126, 126, "YomatOS")
+	local first_byte = string.byte(text, 1)
-	sleep(1)
+	local second_byte = string.byte(text, 2)
-	modem.transmit(126, 126, "TomatOS")
+	local checksum = string.char(first_byte + 2, second_byte - 1)
-	sleep(1)
+	local to_send = checksum .. text
-	modem.transmit(126, 126, "GovOS")
+	return to_send
-	sleep(1)
+end
-	modem.transmit(126, 126, "ChorOS")
+
-	sleep(1)
+local function send(text)
 	send_raw(stupid_encode(text))
 end
 
 local function randbytes(len)
     local out = ""
     for i = 1, len do
         out = out .. string.char(math.random(1, 253))
     end
     return out
 end
 
 local things = {"PotatOS", "YomatOS", "ChorOS", "ShutdownOS", "TomatOS", "BurritOS"}
 
 while true do
 	for _, t in pairs(things) do
 		send(t)
 		sleep(0.2)
 	end
 end