CC network test sender

--[[
        Network packet protection
        by BigSHinyToys
]]--

local function findDevice(sType)
    for _,sSide in pairs(rs.getSides()) do
        if peripheral.isPresent(sSide) and peripheral.getType(sSide) == sType then
            return sSide,peripheral.wrap(sSide)
        end
    end
end

local function dec2hex(nInput)
    return string.format("%X",tonumber(nInput))
end

local function hex2dec(sInput)
    return tonumber(sInput,10)
end

local sOut = {}

for a = 0,15 do
    term.setCursorPos(1,a + 1)
    term.write(dec2hex(a).." ")
    for b = 0,15 do
        local char = string.char((a*16) + b)
        term.setBackgroundColor(colors.white)
        term.setTextColor(colors.lime)
        term.write(char)
        term.setBackgroundColor(colors.black)
        term.setTextColor(colors.lightBlue)
        term.write(dec2hex(a)..dec2hex(b))
        table.insert(sOut,char)
    end
    -- table.insert(sOut,"/n")
end
--[[
local file = fs.open("data","w")
file.write(table.concat(sOut))
file.close()
]]--
term.setBackgroundColor(colors.black)
term.setTextColor(colors.white)

local sSide,modem = findDevice("modem")
modem.open(255)
modem.transmit(255,255,table.concat(sOut))

os.pullEvent()