diff --git a/lisp/core.rs b/lisp/core.rs
index 7674c81ec..77bd584a1 100644
--- a/lisp/core.rs
+++ b/lisp/core.rs
@@ -252,6 +252,11 @@ fn conj(a: MalArgs) -> MalRet {
     }
 }
 
+fn add(a: MalArgs) -> MalRet {
+    println!("{:?}", a);
+    Ok(Nil)
+}
+
 fn seq(a: MalArgs) -> MalRet {
     match a[0] {
         List(ref v, _) | Vector(ref v, _) if v.len() == 0 => Ok(Nil),
@@ -352,5 +357,6 @@ pub fn ns() -> Vec<(&'static str, MalVal)> {
         ("reset!", func(|a| a[0].reset_bang(&a[1]))),
         ("swap!", func(|a| a[0].swap_bang(&a[1..].to_vec()))),
         ("unpack-bits", func(unpack_bits)),
+        ("add", func(add)),
     ]
 }
diff --git a/lisp/lisp.rs b/lisp/lisp.rs
index 8468f0d77..940a0f4b6 100644
--- a/lisp/lisp.rs
+++ b/lisp/lisp.rs
@@ -265,25 +265,21 @@ fn eval(mut ast: MalVal, mut env: Env) -> MalRet {
                             _ => Ok(Nil),
                         }
                     }
-                    Sym(ref a0sym) if a0sym == "zk*" => {
+                    Sym(ref a0sym) if a0sym == "zkcons!" => {
+                        println!("{:?}", l);
                         let (a1, a2) = (l[1].clone(), l[2].clone());
-                        let zk_circuit = ZKCircuit{  
+                        Ok(Nil)
+                    }
+                    Sym(ref a0sym) if a0sym == "defzk!" => {
+                        let (a1, a2) = (l[1].clone(), l[2].clone());
+                        let zk_circuit = MalVal::Zk(ZKCircuit{  
                             name: a1.pr_str(true),
                             constraints: Vec::new(),
                             private: Vec::new(),
                             public: Vec::new()
-                        };
-                        env_set(&env, l[1].clone(), MalVal::Zk(zk_circuit));
-
-                        // TODO add alloc name and nested eval to zkcircuit
-                        Ok(MalFunc {
-                            eval: eval,
-                            ast: Rc::new(a2),
-                            env: env,
-                            params: Rc::new(a1),
-                            is_macro: false,
-                            meta: Rc::new(Nil),
-                        })
+                        });
+                        env_set(&env, l[1].clone(), zk_circuit.clone());
+                        Ok(zk_circuit)
                     }
                     Sym(ref a0sym) if a0sym == "fn*" => {
                         let (a1, a2) = (l[1].clone(), l[2].clone());
diff --git a/lisp/new.lisp b/lisp/new.lisp
index 836245648..99a4295e8 100644
--- a/lisp/new.lisp
+++ b/lisp/new.lisp
@@ -1,18 +1,17 @@
-(def! circuit (zk* [x] (
-    (def! bits (unpack-bits x 256))
-    (map (fn* [b] (println b
-                    '(add lc0 one) 
+(def! x "73eda753299d7d483339d80809a1d80553bda402fffe5bfeffffffff00000000")
+(defzk! circuit ())
+(def! bits (unpack-bits x 256))
+;;zkcons add a constraints instruction to the circuit
+    (map (fn* [b] (zkcons! 
+                    (add 'lc0 'one) 
                     '(sub b)
                     '(add lc1 x)
                     'enforce)
               ) bits)
-   (map (fn* [b] (println b '(add lc0 b) 
+   (map (fn* [b] (quote '(add lc0 b) 
                           'double-coeff-lc)
              ) bits)
    (println 'reset-coeff-lc
    '(sub lc0 x)
    '(add lc1 one)
    'enforce)
-)))
-(def! dec "73eda753299d7d483339d80809a1d80553bda402fffe5bfeffffffff00000000")
-(circuit dec)