function startBildschirm()

	print("             MinerTurtle")
	print("=======================================")
	print("")
	print(" Gaenge Anzahl: ")
	print(" Gaenge Laenge: ")
	print("")
	print("")
	print("")
	print("")
	print("")
	print("")
	print("")

end

function readDetails()

	term.setCursorPos( 17, 4)
	local inputstring = read()
	gaengeAnzahl = (tonumber(inputstring))

	term.setCursorPos( 17, 5)
	local inputstring = read()
	gaengeLaenge = (tonumber(inputstring))

end


function hauptgang()

	for i=1,3 do
		while turtle.detect()==true do
			turtle.dig()
			dropCobble()
			os.sleep(0.5)
		end
		turtle.forward()
		turtle.digUp()

		while turtle.detectDown()==false do
			turtle.select(1)
			turtle.placeDown()
		end
	end
end

function seitenGaenge()

	  -- gang nach rechts
	turtle.turnRight()

	for i=1,gaengeLaenge do

		while turtle.detect()==true do
			turtle.dig()
			dropCobble()
			os.sleep(0.5)
		end
		turtle.forward()
		turtle.digUp()

		--while turtle.detectDown()==false do
		--	turtle.select(2)
		--	turtle.placeDown()
		--end

	end

	turtle.select(16)
	turtle.placeUp()
	turtle.select(1)



	turtle.turnRight()
	turtle.turnRight()

	for i=1,gaengeLaenge do

		while turtle.detect()==true do
			turtle.dig()
			dropCobble()
			os.sleep(0.5)
		end

		turtle.forward()
	end
  -- gang nach links
	for i=1,gaengeLaenge do

		while turtle.detect()==true do
			turtle.dig()
			dropCobble()
			os.sleep(0.5)
		end
		turtle.forward()
		turtle.digUp()

		--while turtle.detectDown()==false do
		--	turtle.select(2)
		--	turtle.placeDown()
		--end
	end
	turtle.select(16)
	turtle.placeUp()
	turtle.select(1)

	turtle.turnRight()
	turtle.turnRight()

	for i=1,gaengeLaenge do
		while turtle.detect()==true do
			while turtle.detect()==true do
				turtle.dig()
				dropCobble()
				os.sleep(0.5)
			end
		end
		turtle.forward()
	end

	turtle.turnLeft()

end

function comeBack()

	turtle.turnRight()
	turtle.turnRight()

	for i=1,gaengeAnzahl*3 do
		turtle.forward()
	end

	turtle.turnRight()
	turtle.turnRight()

	for a=1,15 do
		while turtle.getItemCount(a) ~= 0 do
			for i=1,16 do
			turtle.select(i)
			turtle.dropDown()
			end
		end
	end
end

function dropCobble()
	if (turtle.getItemCount(1) == 63) then
		turtle.select(1)
		turtle.drop(63)
	end

end

startBildschirm()
readDetails()

for i=1,gaengeAnzahl do
	hauptgang()
	seitenGaenge()
end
comeBack()

gaengeLaenge = 0
gaengeAnzahl = 0