local monitor = peripheral.wrap("left")
local xmit = peripheral.wrap("top")
local numberMinutes = 0
local counterMinutes = 0
local counterSeconds = 0

function newLine()
  local _,cY= monitor.getCursorPos()
  if cY > 4 then
	monitor.setCursorPos(1,1)
  else
	monitor.setCursorPos(1,cY+1)
end

function clearMonitor()
	monitor.clear()
	monitor.setCursorPos(1,1)
end

function testSolar()
	local time = os.time()
	if ( time < 5 ) or ( time > 18 ) then
		clearMonitor()
		monitor.write( "Warning! No solar  " )
		newLine()
		monitor.write( "power. Pausing     " )
		monitor.write( "operations.        " )
		redstone.setOutput("bottom", false)
		sleep(50)
		redstone.setOutput("bottom", true)
	end
end


while true do
		monitor.write( "Automated Ore      " )
		newLine()
		monitor.write( "Processing System  " )
		newLine()
		monitor.write( "Awaiting input.    " )
		newLine()
	print("Automated Ore Processing System.")
	print("Please enter the number of")
	write("minutes of operation: ")
	numberMinutes = tonumber(read())
		clearMonitor()
		monitor.write( "Warming up system. " )
				newLine()

	redstone.setOutput("bottom", true)

	os.sleep(60)


		monitor.write( " Warmup complete.  " )
				newLine()

	while counterMinutes < numberMinutes do

		monitor.write( " Running ...       " )
				newLine()
		monitor.write(""..numberMinutes.." mins remaining.")
	print("Running ... "..numberMinutes.." minutes remaining.")
			while counterSeconds < 60 do
				redstone.setOutput("top", true)
				os.sleep(0.5)
				redstone.setOutput("top", false)
				os.sleep(0.5)
				counterSeconds = counterSeconds + 1
				print(counterSeconds)
			end
		counterSeconds = 0
		counterMinutes = counterMinutes + 1
		clearMonitor()
	end
		monitor.write( "Completed.         " )
				newLine()
		monitor.write( os.time() )
				newLine()
	print("Processing complete.")
	redstone.setOutput("bottom", false)
	sleep(5)
end