OFWE

bool=true

while bool==true do
  if rs.getInput("back", true) then
      print ("Waiting")
      sleep (1)
  else
    print ("Let's Roll!")
    bool=false
  end
end

X=66

print ("Startup Functions Activating")
print ("Going to lowest point")

turtle.select(1)
turtle.dig()
turtle.select(4)
turtle.back()

turtle.select(2)
turtle.dig()
turtle.select(4)
turtle.back()

while true do
  local mobsPresent = turtle.attackDown()
  local digSuccess = turtle.digDown()
  local movementSuccess = turtle.down()

  if not mobsPresent and not digSuccess and not movementSuccess then
    break
  end
end

for b = 1, X do
  turtle.digUp()
    while not turtle.up() do
      turtle.attackUp()
    end
  end



  print ("---------------------------")
  print ("Starting ORE FINDING PROTOCOLS!")
  print ("---------------------------")



  while true do


moves = 0

ore = false

turtle.select(3)
ore = turtle.compareDown()
turtle.select(4)

while ore == false and moves < 66 do
        turtle.digDown()
        moves = moves + 1
        while not turtle.down() do
                turtle.attack()
        end
    sleep(.5)
        turtle.select(3)
        ore = turtle.compareDown()
        turtle.select(4)
end

for q=1, moves do
        turtle.digUp()
        while not turtle.up() do
                turtle.attack()
                turtle.digUp()
        end
end



       turtle.dig()
       while not turtle.forward() do
         turtle.attack()
     turtle.dig()
       end


    print ("Dropping off items")

        turtle.dig()
        turtle.attack()


    turtle.select(1)
    while not turtle.place() do
      turtle.select(4)
      turtle.attack()
      turtle.dig()
      turtle.select(1)
    end

    for dropslot = 4, 16 do
      turtle.select(dropslot)
      turtle.drop()
    end

 turtle.select(1)

    turtle.dig()

    turtle.select(4)


Fuel = turtle.getFuelLevel()

      print ("Fuel level is: "..Fuel)

      if Fuel >= 8192 then

        print ("Fuel level is above minimum safe limit.")

      else

        print ("Fuel is below safe limit! Refueling!")

       turtle.select(4)
        turtle.dig()
        turtle.select(2)
        while not turtle.place() do
                turtle.select(4)
                turtle.dig()
                turtle.attack()
                turtle.select(2)
        end
        turtle.suck()
        turtle.refuel()
        turtle.dig()

        turtle.select(4)

    end




  end