goto

    local xCord, yCord, zCord = gps.locate()

    local direction = ""

    term.clear()
    term.setCursorPos(1,1)

    print("CALIBRATE:")
    print("Pose a block at the NORTH of the EcTurtle.")
    print("Type something to start calibrate")
    read()


    function GoTo()
      print("Current position:")
        print("  x: " ..xCord)
        print("  y: " ..yCord)
        print("  z: " ..zCord)

      print("Go to position")
      print("x:")
      local x = read()

      print("y:")
      local y = read()

      print("z:")
      local z = read()

      if xCord < 0 then
        xC = 0 - xCord
      end

      if yCord < 10 then
        yC = 10
      end

      if zCord < 0 then
        xC = 0 - zCord
      end

      if tonumber(x) < 0 then
        direction = "west"
        turtle.turnLeft()
        for i=0,xC do
          if turtle.detect() == true then
            turtle.dig()
            turtle.forward()
            sleep(0.5)
          else
            turtle.forward()
            sleep(0.5)
          end
        end
		turtle.turnRight()
      else
        direction = "east"
        turtle.turnRight()
        for i3 = 0,xC do
          if turtle.detect() == true then
            turtle.dig()
            turtle.forward()
            sleep(0.5)
          else
            turtle.forward()
            sleep(0.5)
          end
        end
		turtle.turnLeft();
      end

      if tonumber(y) < yCord then
        direction = "down"
        for i1=0,yC do
          if turtle.detect() == true then
            turtle.digDown()
            turtle.down()
            sleep(0.5)
          else
            turtle.down()
            sleep(0.5)
          end
        end
      else
        direction = "up"
        for i2=0,yC do
          if turtle.detectUp() == true then
            turtle.digUp()
            turtle.up()
            sleep(0.5)
          else
            turtle.up()
            sleep(0.5)
          end
        end
      end
	if tonumber(z) < 0 then
        direction = "north"
        turtle.turnLeft()
        for i=0,zC do
          if turtle.detect() == true then
            turtle.dig()
            turtle.forward()
            sleep(0.5)
          else
            turtle.forward()
            sleep(0.5)
          end
        end
      else
        direction = "south"
        turtle.turnRight()
		sleep(0.5)
		turtle.turnRight()
        for i3 = 0,zC do
          if turtle.detect() == true then
            turtle.dig()
            turtle.forward()
            sleep(0.5)
          else
            turtle.forward()
            sleep(0.5)
          end
        end
      end
        turtle.turnLeft()
		sleep(0.5)
		turtle.turnLeft()
    end


if turtle.detect() == false then
      turtle.turnRight()
    else
      print("CALIBRATED.")
      direction = "north"
      GoTo()
    end

    if turtle.detect() == false then
      turtle.turnRight()
    else
      print("CALIBRATED.")
      direction = "north"
      GoTo()
    end

    if turtle.detect() == false then
      turtle.turnRight()
    else
      print("CALIBRATED.")
      direction = "north"
      GoTo()
    end

    if turtle.detect() == false then
      print("NORTH NOT FOUND")
      print("restarting app...")
    else
      print("CALIBRATED.")
      direction = "north"
      GoTo()
    end