Get item ID inside blood magic altar.

local details = turtle.getItemDetail()
-- Blank Slate variables
local bSlateitemcompare = turtle.getItemCount(2)
local aStoneitemcompare = turtle.getItemCount(1)
local rSlateitemcompare = turtle.getItemCount(3)
local iSlateitemcompare = turtle.getItemCount(4)
local dSlateitemcompare = turtle.getItemCount(5)
local bSlate = 0
local rSlate = 0
local iSlate = 0
local dSlate = 0
local aStone = 0
local maxStack = 64
local minStack = 1
local SlateProcessing = blSlate
-- variable names
-- blank slate = blSlate
-- runic slate = ruSlate
-- imbued slate = imSlate
-- demonic slate = deSlate

function resetVariables()
bSlateitemcompare = turtle.getItemCount(2)
aStoneitemcompare = turtle.getItemCount(1)
rSlateitemcompare = turtle.getItemCount(3)
iSlateitemcompare = turtle.getItemCount(4)
dSlateitemcompare = turtle.getItemCount(5)

bSlate = bSlateitemcompare
rSlate = rSlateitemcompare
iSlate = iSlateitemcompare
dSlate = dSlateitemcompare

aStone = aStoneitemcompare
print("Number of Arcane Stone in inventory: "..aStone)
print("Number of Blank slate in inventory: "..bSlate)
print("Number of Blank slate in inventory: "..rSlate)
print("Number of Blank slate in inventory: "..iSlate)
print("Number of Blank slate in inventory: "..dSlate)
end
function blankslate()
if aStone > minStack then
  if details.name == "Thaumcraft:blockCosmeticSolid" then
   turtle.select(1)
   turtle.drop(1)
  
   if bSlate < maxStack then
    redstone.setBundledOutput("back", colors.red)
    SlateProcessing = blSlate
    print("Making Blank Slate")
   
    while turtle.getItemCount(2) == bSlate do
	 turtle.suckUp()
	 sleep(0.1)
    end
   else
   
    if rSlate < maxStack then
	 redstone.setBundledOutput("back", colors.green)
	 SlateProcessing = ruSlate
	 print("Making Runic Slate")
	
	 while turtle.getItemCount(3) == rSlate do
	  turtle.suckUp()
	  sleep(0.1)
	 end
    else
	
	 if iSlate < maxStack then
	  redstone.setBundledOutput("back", colors.blue)
	  SlateProcessing = imSlate
	  print("Making Imbued Slate")
	 
	  while turtle.getItemCount(4) == iSlate do
	   turtle.suckUp()
	   sleep(0.1)
	  end
	 else
	
	  if dSlate < maxStack then
	   redstone.setBundledOutput("back", colors.yellow)
	   SlateProcessing = deSlate
	   print("Making Demonic Slate")
	  
	   while turtle.getItemCount(5) == dSlate do
	    turtle.suckUp()
	    sleep(0.1)
	   end
	  else
	   dropSlate()
	  end
	 end
    end  
   end 
  
  else
   print("Block is not Arcane Stone")
   error()
  end

  print("Blank slate pulled")
  redstone.setBundledOutput("back", 0)
else
  print("Not enough Arcane Stone or full of Blank Slate")
  stockArcaneStone()
end


end
function stockArcaneStone()
  if aStone < maxStack then
   turtle.turnRight()
   turtle.select(1)
   sleep(0.2)
   turtle.suck(64 - aStone)
   turtle.turnLeft()
   print("Pulled arcane stone")
  else
   print("There is enough arcane stone")
  end
end
function dropSlate()
turtle.turnRight()
if bSlate > minStack then
  turtle.select(2)
  turtle.drop(bSlate - 1)
  print("Pushed blank slate")
end

if rSlate > minStack then
  turtle.select(3)
  turtle.drop(rSlate - 1)
  print("Pushed runic slate")
end

if iSlate > minStack then
  turtle.select(4)
  turtle.drop(iSlate - 1)
  print("Pushed imbued slate")
end

if dSlate > minStack then
  turtle.select(5)
  turtle.drop(dSlate - 1)
  print("Pushed demonic slate")
end
end

while redstone.getInput("left") do
resetVariables()
blankslate()
sleep(0.1)
end