Ax77

max=17
min=1
OG1=17
EG1=11
KG1=7
KG2=1
cur=17
while cur  <= min do
	redstone.setBundledOutput('back', 1)
	redstone.setBundledOutput('back', 0)
	os.sleep('0.5')
	cur=cur-1
end
cur=0
print('LIFT.READY')

while true do
	if rs.testBundledInput('left', colours.lightBlue) then
		OG()
	end
	if rs.testBundledInput('left', colours.Yellow) then
		OG()
	end
	if rs.testBundledInput('left', colours.Green) then
		OG()
	end
	if rs.testBundledInput('left', colours.Magenta) then
		OG()
	end
end


function OG()
  print('LIFT.GO.OG')
  if cur==EG1 then
	while cur <= OG1 do
	redstone.setBundledOutput('back', 1)
	redstone.setBundledOutput('back', 0)
	os.sleep('0.5')
	cur=cur+1
	end
  end
  if cur==KG1 then
	while cur <= OG1 do
	redstone.setBundledOutput('back', 1)
	redstone.setBundledOutput('back', 0)
	os.sleep('0.5')
	cur=cur+1
	end
  end
  if cur==KG2 then
	while cur <= OG1 do
	redstone.setBundledOutput('back', 1)
	redstone.setBundledOutput('back', 0)
	os.sleep('0.5')
	cur=cur+1
	end
  end
end

function EG()
  print('LIFT.GO.OG')
  if cur==OG1 then
	while cur <= EG1 do
	redstone.setBundledOutput('back', 2)
	redstone.setBundledOutput('back', 0)
	os.sleep('0.5')
	cur=cur-1
	end
  end
  if cur==KG1 then
	while cur <= EG1 do
	redstone.setBundledOutput('back', 1)
	redstone.setBundledOutput('back', 0)
	os.sleep('0.5')
	cur=cur+1
	end
  end
  if cur==KG2 then
	while cur <= EG1 do
	redstone.setBundledOutput('back', 1)
	redstone.setBundledOutput('back', 0)
	os.sleep('0.5')
	cur=cur+1
	end
  end
end

function KG1()
  print('LIFT.GO.OG')
  if cur==OG1 then
	while cur <= KG1 do
	redstone.setBundledOutput('back', 2)
	redstone.setBundledOutput('back', 0)
	os.sleep('0.5')
	cur=cur-1
	end
  end
  if cur==EG1 then
	while cur <= KG1 do
	redstone.setBundledOutput('back', 2)
	redstone.setBundledOutput('back', 0)
	os.sleep('0.5')
	cur=cur-1
	end
  end
  if cur==KG2 then
	while cur <= KG1 do
	redstone.setBundledOutput('back', 1)
	redstone.setBundledOutput('back', 0)
	os.sleep('0.5')
	cur=cur+1
	end
  end
end

function KG2()
  print('LIFT.GO.OG')
  if cur==OG1 then
	while cur <= KG2 do
	redstone.setBundledOutput('back', 2)
	redstone.setBundledOutput('back', 0)
	os.sleep('0.5')
	cur=cur-1
	end
  end
  if cur==EG1 then
	while cur <= KG2 do
	redstone.setBundledOutput('back', 2)
	redstone.setBundledOutput('back', 0)
	os.sleep('0.5')
	cur=cur-1
	end
  end
  if cur==KG1 then
	while cur <= KG2 do
	redstone.setBundledOutput('back', 2)
	redstone.setBundledOutput('back', 0)
	os.sleep('0.5')
	cur=cur-1
	end
  end
end