View difference between Paste ID: mJ1S30HC and 51sidpt8

 
 --
 -- slots: seeds, fuel
 -- maybe use glass slabs and an ender chest
 
 
 local plotLength = 8
 local plotWidth = 8
 local harvestTime = 15
 local growTime = 900
 
 local useChest = false
 
 local function wait(secs)
 	for sec = secs, 0, -5 do
 		term.clear()
 		term.setCursorPos(1,1)
 		print(sec)
 		sleep(5)
 	end
 	term.clear()
 end
 
 local function resetPosition()
 	repeat until not turtle.up()
 	repeat until not turtle.forward()
-	repeat until not turtle.detect()
+	while turtle.detect() do turtle.turnRight() end
 
 	while not rs.getInput("left") do
 		if not turtle.forward() then
 			turtle.turnRight()
 		end
 	end
 end
 
 local function dropExcess()
 	for slot = 1, 16 do
 		if turtle.getItemCount(slot) ~= 0 then
 			turtle.select(slot)
 			if slot == 1 then
 				turtle.drop(turtle.getItemCount(slot) - 1)
 			elseif slot ~= 2 then
 				turtle.drop()
 			end
 		end
 		sleep(0)
 	end
 	turtle.select(1)
 end
 
 local function harvest()
 	rs.setOutput("top", true)
 	wait(harvestTime)
 	rs.setOutput("top", false)
 
 	if useChest then
 		repeat until turtle.forward()
 		turtle.turnLeft()
 		dropExcess()
 		turtle.turnRight()
 	end
 
 	repeat until not turtle.forward()
 	turtle.down()
 	repeat until not turtle.suckDown()
 	turtle.up()
 	turtle.back()
 	turtle.turnRight()
 end
 
 local function plant()
 
 	turtle.select(1)
 	local curX
 	local curY
 
 	curY = 1
 	while curY <= plotLength do
 	curX = 1
 	while curX <= plotWidth do
 
 		if turtle.getItemCount(1) > 1 then
 			turtle.placeDown()
 		end
 
 		if curX == plotWidth then
 			if curY < plotLength then
 				if curY % 2 == 1 then
 					turtle.turnRight()
 					repeat until turtle.forward()
 					turtle.turnRight()
 				else
 					turtle.turnLeft()
 					repeat until turtle.forward()
 					turtle.turnLeft()
 				end
 			end
 		else
 			repeat until turtle.forward()
 		end
 
 	curX = curX + 1
 	end
 	curY = curY + 1
 	end
 
 end
 
 while turtle.getItemCount(1) ~= 0 do
 
 	turtle.select(1)
 	while turtle.getFuelLevel() < 128 do
 		while turtle.getItemCount(2) < 2 do
 			print("Out of Fuel")
 			sleep(1)
 		end
 		turtle.select(2)
 		turtle.refuel(1)
 		turtle.select(1)
 	end
 
 	resetPosition()
 	harvest()
 	plant()
 	wait(growTime)
 
 
 end