Day9:Part1 and Part2 are working

day9.hs

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+import Data.List.Split
+import Data.Char as Char
+import Data.List as List
+import Data.Either as Either
+import Debug.Trace as Trace
+
+main = do
+    software <-  getList <$> getContents
+    let amp = Amplifier software 0 0 [] []
+    let amp2 = step amp [2]
+    putStrLn(show ( output amp2 ))
+    putStrLn ("HELLO")
+
+data Amplifier = Amplifier{ state :: [Int]
+                            ,index :: Int
+                            ,base :: Int  
+                            ,input :: [Int]
+                            ,output :: [Int]
+			  } deriving Show
+                                              
+getList :: String -> [Int]
+getList = map Prelude.read . splitOn ","
+
+link :: Amplifier -> Amplifier -> Amplifier
+link left calc 
+  | null (output left) = Amplifier (state calc) (-1) (base calc) (input calc) (output calc) 
+  | index left == -1 = Amplifier (state calc) (-1) (base calc) (input calc) (output calc) 
+  | otherwise = step calc ([last $ output left])
+
+step :: Amplifier -> [Int] -> Amplifier
+step amp input = operation (drop (index amp) (state amp)) (state amp) (index amp) (base amp) input [] 
+
+operation :: [Int] -> [Int] -> Int -> Int -> [Int] -> [Int] -> Amplifier
+operation (99:_) state i base input output = 
+          Amplifier state i base input output
+operation (op:xs) state i base input output 
+  | last (digits op) == 1 = do
+           let newindex = i + 4
+           let newstate = add (fillup (revertdigs op) 5) (xs!!0) (xs!!1) (xs!!2) base state
+           operation ((drop newindex newstate))  (newstate) newindex base input output 
+  | last (digits op) == 2 = do 
+           let newindex = i + 4
+           let newstate = mult (fillup (revertdigs op) 5) (xs!!0) (xs!!1) (xs!!2) base state
+           operation ((drop newindex newstate))  (newstate) newindex base input output 
+  | last (digits op) == 3 = do
+           if (length input) == 0
+              then (Amplifier state i base input output)  
+              else do
+                let newindex = i + 2
+                let newstate = put (fillup (revertdigs op) 3) (xs!!0) (head input) base state
+                let newinput = drop 1 input  
+                operation  (drop newindex newstate) (newstate) newindex base newinput output 
+  | last (digits op) == 4 = do
+           let newindex = i + 2 
+           let newoutput = out (fillup (revertdigs op) 3) output (xs!!0) base state
+           let newinput = drop 1 input
+           operation ((drop newindex state))  (state) newindex base input (newoutput) 
+  | (last (digits op) == 5 )  = do
+           let newindex = jumpif (fillup (revertdigs op) 4) (xs!!0) (xs!!1) i base state
+           operation  ((drop newindex state))  (state) newindex base input output 
+  | (last (digits op) == 6 )  = do
+           let newindex = jumpifnot (fillup (revertdigs op) 4) (xs!!0) (xs!!1) i base state
+           operation  ((drop newindex state)) (state) newindex base input output 
+  | (last (digits op) == 7 ) = do
+           let newindex = i + 4
+           let newstate = lessthan (fillup (revertdigs op) 5) (xs!!0) (xs!!1) (xs!!2) base state
+           operation  ((drop newindex newstate))  (newstate) newindex base input output 
+  | (last (digits op) == 8 ) = do
+           let newindex = i + 4
+           let newstate = equal (fillup (revertdigs op) 5) (xs!!0) (xs!!1) (xs!!2) base state
+           operation  ((drop newindex newstate)) (newstate) newindex base input output
+  | (last (digits op) == 9 ) = do
+	   let newindex = i + 2
+	   let fullop = (fillup (revertdigs op) 3)
+	   let newbase = base + (getValue (fullop!!2) (xs!!0) base state)
+	   (operation  ((drop newindex state)) (state) newindex newbase input output)
+
+add :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> [Int]
+add (op1:op2:m1:m2:m3:_) p1 p2 p3 base state = 
+         Main.insert state sum (getIndex m3 p3 base) 
+         where
+            sum = (getValue m1 p1 base state)  + (getValue m2 p2 base state)
+
+mult :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> [Int]
+mult (op1:op2:m1:m2:m3:_) p1 p2 p3 base state = 
+         Main.insert state sum (getIndex m3 p3 base) 
+         where
+            sum = (getValue m1 p1 base state) * (getValue m2 p2 base state)
+
+put :: [Int] -> Int -> Int -> Int -> [Int] -> [Int]
+put(op1:op2:m1:_) p1 input base state = 
+	Main.insert state input (getIndex m1 p1 base)
+        
+
+out :: [Int] -> [Int] -> Int -> Int -> [Int] -> [Int]
+out (op1:op2:m1:_) output p1 base state =
+        output ++ [(getValue m1 p1 base state)]
+
+jumpif :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> Int
+jumpif (op1:op2:m1:m2:_) p1 p2 index base state
+        | (getValue m1 p1 base state) /= 0 = getValue m2 p2 base state
+        | otherwise =  index + 3
+
+jumpifnot :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> Int
+jumpifnot (op1:op2:m1:m2:_) p1 p2 index base state
+        | (getValue m1 p1 base state) == 0 = getValue m2 p2 base state
+        | otherwise = index + 3
+
+lessthan :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> [Int]
+lessthan (op1:op2:m1:m2:m3:_) p1 p2 p3 base state 
+        | (getValue m1 p1 base state) < (getValue m2 p2 base state) =
+	       	Main.insert state 1 (getIndex m3 p3 base)
+        | otherwise = Main.insert state 0 (getIndex m3 p3 base)
+
+equal :: [Int] -> Int -> Int -> Int -> Int -> [Int] -> [Int]
+equal (op1:op2:m1:m2:m3:_) p1 p2 p3 base state 
+        | (getValue m1 p1 base state ) == (getValue m2 p2 base state ) = 
+		Main.insert state 1 (getIndex m3 p3 base)
+        | otherwise = Main.insert state 0 (getIndex m3 p3 base)
+
+
+insert ::  [Int] -> Int -> Int -> [Int]
+insert xs value index 
+	| index < length xs = do
+                let split = splitAt index xs
+                (fst split)++ [value] ++ (drop 1 (snd split))
+        | otherwise = do
+		let longState = xs ++ (replicate (index - length xs) 0)
+                let split = splitAt index longState
+                (fst split)++ [value] ++ (drop 1 (snd split)) 
+                
+read :: [Int] -> Int -> Int
+read xs index
+        | index < length xs = xs!!index
+        | otherwise = 0
+
+digits :: Int -> [Int]
+digits = map Char.digitToInt . show
+
+revertdigs :: Int -> [Int]
+revertdigs 0 = []
+revertdigs x = x `mod` 10 : revertdigs (x `div` 10)
+
+fillup :: [Int] -> Int -> [Int]
+fillup array x = array ++ (replicate (x - (length array)) 0)
+
+getValue :: Int -> Int -> Int -> [Int] -> Int
+getValue 0 p base array = Main.read array p
+getValue 1 p base array = p
+getValue 2 p base array = Main.read array (base + p) 
+
+getIndex :: Int -> Int -> Int -> Int
+getIndex m p base 
+        | m == 0 = p
+        | m == 2 = p + base