diff --git a/dataflow_neuro/primitives.act b/dataflow_neuro/primitives.act
index 8f1db88..7a433a3 100644
--- a/dataflow_neuro/primitives.act
+++ b/dataflow_neuro/primitives.act
@@ -286,8 +286,8 @@ namespace tmpl {
                 out1_t_buf_func[i].sr_B = _reset_BXX[i];
                 out1_f_buf_func[i].pr_B = _reset_BXX[i];
                 out1_f_buf_func[i].sr_B = _reset_BXX[i];
-                out1_f_buf_func[i].n2=_c_t_buf[i];
-                out1_t_buf_func[i].n2=_c_t_buf[i];
+                out1_f_buf_func[i].n2=_c_f_buf[i];
+                out1_t_buf_func[i].n2=_c_f_buf[i];
             )
 
             //func buffer out2
@@ -316,8 +316,8 @@ namespace tmpl {
                 out2_t_buf_func[i].sr_B = _reset_BXX[i+N-1];
                 out2_f_buf_func[i].pr_B = _reset_BXX[i+N-1];
                 out2_f_buf_func[i].sr_B = _reset_BXX[i+N-1];
-                out2_f_buf_func[i].n2=_c_f_buf[i];
-                out2_t_buf_func[i].n2=_c_f_buf[i];
+                out2_f_buf_func[i].n2=_c_t_buf[i];
+                out2_t_buf_func[i].n2=_c_t_buf[i];
             )
         }
 
@@ -850,14 +850,18 @@ defproc slice_data(avMx1of2<N> in; avMx1of2<std::min(N1,N)-std::max(N0,0)> out;
     _N1 = std::min(N1,N);
     _N0 = std::max(N0,0);
 
-    BUF_X1 ack_buf(.a = out.a, .y = in.a, .vss = supply.vss, .vdd = supply.vdd);
+
+    // BUF_X1 ack_buf(.a = out.a, .y = in.a, .vss = supply.vss, .vdd = supply.vdd);
 
     vtree<N> in_vt(.in = in.d, .out = in.v, .supply = supply);
     (i:_N1-_N0:
         in.d.d[i + _N0] = out.d.d[i];
     )
 
-    in.a = out.a;
+    // in.a = out.a;
+
+    A_2C_B_X1 Cel(.c1 = out.a, .c2 =in.v, .y = in.a, .vss = supply.vss, .vdd = supply.vdd);
+
 }