nexusboot

local mside
for _,side in ipairs(rs.getSides()) do
 if peripheral.getType(side) == "modem" then
  mside = side
  break
 end
end
if not mside then error("No modem found", 0) end
print("== NEXUSBOOT 1.0 ==")
local modem = peripheral.wrap(mside)
modem.open(1000)
modem.transmit(1000, 1000, "request")
local timer = os.startTimer(10)
local bootcode
while true do
 local e, p1, p2, p3, p4, p5 = os.pullEventRaw()
 if e == "timer" and p1 == timer then
  break
 elseif e == "modem_message" and p2 == 1000 and type(p4) == "string" and p4:sub(1,6)=="reply:" then
  bootcode = p4:sub(7)
  break
 end
end

if bootcode then
 local fn, err = loadstring(bootcode)
 if not fn then printError(err)
 else local ok, err = pcall(fn)
  if not ok then printError(err)
  else printError("Boot code terminated")
  end
 end
else
 printError("Timeout - Check boot server")
end

while true do coroutine.yield() end