Till 2.0

shell.run("getTill")
print("1.3")

local i = 1
local x = 1
local y = 1
local z = 0

local function plant(i)
	local c = 0
	turtle.select(x)
	if turtle.getItemCount(x) == 0 then
        repeat turtle.select(i+1)
        i = i + 1
        if i == 15 then
            i = 1
            c = c+1
        end
        if c == 2 then
        goHome(y)
        end
        until turtle.getItemCount(i) > 0
    end
turtle.dig()
turtle.place()
		if turtle.back() == false then
			repeat turtle.back()
			until turtle.back()
		end

	end

local function refill()
    for z = 1,15 do
        turtle.select(z)
        turtle.suckDown()
    end
end
local function empty()
    for x=1,15 do
        turtle.select(x)
        turtle.dropDown()
    end
end
local function turnAround(y)
	if y%2 == 1 then
		turtle.turnRight()
		if turtle.back() == false then
			repeat turtle.back()
			until turtle.back()
		end
		turtle.turnRight()
	end
	if y%2 == 0 then
		turtle.turnLeft()
		if turtle.back() == false then
			repeat turtle.back()
			until turtle.back()
		end
		turtle.turnLeft()
		end
	end
local function goHome(y)
	if y%2 == 1 then
		turtle.turnLeft()
		turtle.turnLeft()
	end
	repeat turtle.back()
	until turtle.back() == false
	turtle.turnRight()
	repeat turtle.back()
	y = y - 1
	until y == 1
	turtle.down()
	turtle.turnRight()
end
local function till()
	repeat
		plant(i)
		turtle.select(16)
	until turtle.compareDown()
		turtle.select(x)
	if turtle.getItemCount(x) == 0 then
        repeat turtle.select(i+1)
        i = i + 1
        if i == 15 then
			goHome(y)
			i = 1
        end
        until turtle.getItemCount(i) > 0
    end
	turtle.dig()
	turtle.place()
	turnAround(y)
end
local function endOfPlotCheck()
	turtle.select(16)
	if turtle.compareDown() == true then
		turtle.back()
		if turtle.compareDown() == true then
		 return true
		end
	end
end
while true do

turtle.select(1)
rednet.open("right")
local senderId, msg = rednet.receive()

if msg == "farm" then
	refill()
	repeat
		till()
		y = y + 1
	until endOfPlotCheck()
	goHome(y)
	empty()
	os.reboot()
end
end