Endoflame Turtle

-- Endoflame turtle
t = turtle
coalAmount = 4		-- Number of coal dropped
sleepTimer = 40

function coalCheck
	for i=1, 16, 1 do
		flag = t.getItemCount(i)
			if flag > 0 + coalAmount then
				t.select(i)
				t.dropDown(coalAmount)
				break
			end
	end
end

while true do
	if redstone.getInput(front) == 0 then
		coalCheck()
		os.sleep(sleepTimer)
	end
end