startup.lua

local component = require("component")
local term = require("term")
local shell = require("shell")
local gpu = component.gpu
local modem = component.modem
local computer = component.computer
local w, h = gpu.getResolution()

function clear ()
  gpu.fill(0, 0, w, h, " ")
  term.setCursor(1,1)
end

clear()
print("Establishing network connection.")
os.sleep(1)
clear()
print("Esatblishing network connection..")
os.sleep(1)
clear()
print("Establishing network connection...")
os.sleep(2)
clear()
modemopen = modem.open(113)
if(modemopen) then
  computer.beep()
  print("Network connection established!")
else
  computer.beep()
  print("Failed to establish network connection! Diagnosing problem now!")
  os.sleep(1)
  computer.beep()
  os.sleep(2)
  modemisopen = modem.isOpen(113)
    if(modemisopen) then
      print("Modem already open! Continuing to login.")
      os.sleep(2)
    else
      print("Unable to diagnose error! Please contact your Authentication Administrator!")
      os.sleep(2)
      return
  end
end


print("Welcome to pengo1998's RL Client!")
print("In order to access this computer you must provide")
print("a username and password and be manually added into")
print("the system by pengo198!")

os.sleep(2)
clear()

print("Please enter username.")
term.write("Username: ")
user = term.read()