moveAPI

function create(whileFunction, action, before, after)
  return function()
    if before then
      before()
    end

    while whileFunction() do
      action()
      os.sleep(0.5)
    end

    if after then
      after()
    end
  end
end

local mapping = {}

-- All the move actions
mapping["f"] = create(turtle.detect, turtle.dig, nil, turtle.forward)
mapping["l"] = create(turtle.detect, turtle.dig, turtle.turnLeft, turtle.forward)
mapping["r"] = create(turtle.detect, turtle.dig, turtle.turnRight, turtle.forward)
mapping["u"] = create(turtle.detectUp, turtle.digUp, nil, turtle.up)
mapping["d"] = create(turtle.detectDown, turtle.digDown, nil, turtle.down)
mapping["b"] = turtle.back

-- Turn direction
mapping["tl"] = turtle.turnLeft
mapping["tr"] = turtle.turnRight
mapping["ta"] = function() turtle.turnLeft() turtle.turnLeft() end -- turn around

-- All the dig actions
mapping["df"] = create(turtle.detect, turtle.dig)
mapping["dl"] = create(turtle.detect, turtle.dig, turtle.turnLeft)
mapping["dr"] = create(turtle.detect, turtle.dig, turtle.turnRight)
mapping["du"] = create(turtle.detectUp, turtle.digUp)
mapping["dd"] = create(turtle.detectDown, turtle.digDown)

-- All the place actions
mapping["pf"] = turtle.place
mapping["pd"] = turtle.placeDown
mapping["pu"] = turtle.placeUp

function move(moveString)
  for cur in moveString:gmatch("%S+") do
    mapping[cur]()
  end
end

function repeatMoves(moveString, amount)
  for i = 1, amount do
    move(moveString)
  end
end

function moveRelative(forward, up)
  if(forward < 0) then
    repeatMoves("b", -1 * forward)
  else
    repeatMoves("f", forward)
  end
  if(up < 0) then
    repeatMoves("d", -1 * up)
  else
    repeatMoves("u", up)
  end
end