7b9_decode.lua

local c = require("component")
local modem = c.modem
local data = c.data


print("select port")
port = io.read("*n")
modem.open(port)
print("\n")

while true do
  local _, _, _, _, _, message = event.pull("modem_message")
  sp = data.decode64(message)
 print(sp)
end