Server CC Quarry

rednet.open("right")
local down = {}
local up = {}
local forward = {}
local tArgs = {...}

function findTurtle()
  local gotMsg = true
  local id, msg, dist
  rednet.broadcast("checkIn")
  while gotMsg do
    id,msg,dist = rednet.receive(1)
    if msg == "down" then
      print(id..":"..msg)
      down[#down+1] = id
    elseif msg == "up" then
      print(id..":"..msg)
      up[#up+1] = id
    elseif msg == "forward" then
      print(id..":"..msg)
      forward[#forward+1] = id
    elseif msg == "Done" then
    else
      print("Done")
      gotMsg = false
    end
  end
end

function minerGo()
local yCoord = 128
local xCoord = 0
  for x,y in pairs(down) do
    while yCoord > 2 do
      rednet.send(y, "down")
      sleep(1)
      yCoord = yCoord - 1
    end
    moveLoader()
  end
end

function moveLoader()
local yCoord = 2
  for x,y in pairs(up) do
    while yCoord < 128 do
      rednet.send(y, "up")
      sleep(1)
      yCoord = yCoord + 1
    forward()
    end
  end
end

function forward()
local xcoord = 3
  for x,y in pairs(forward) do
    while x > -0 do
      rednet.send(y, "forward")
      sleep(1)
      xcoord = xcoord - 1
    end
  end
end

findTurtle()
if tArgs[1] == nil then tArgs[1] = 1 end
for i = 1,tArgs[1] do
  print("interation: "..tostring(i).." of "..tostring(tArgs[1]))
  minerGo()
end