diff --git a/dataflow_neuro/coders.act b/dataflow_neuro/coders.act
index b896ec3..00a557a 100644
--- a/dataflow_neuro/coders.act
+++ b/dataflow_neuro/coders.act
@@ -703,8 +703,10 @@ defproc decoder_2d_hybrid (avMx1of2<NxC+NyC> in; a1of1 out[Nx*Ny]; bool? dly_cfg
 			// X_req ORtree
 			bool _x_req_array[Nx], _x_v_B;
 			(i:Nx:_x_req_array[i] = inx[i].r;)
-			ortree<Nx> x_req_ortree(.in = _x_req_array,.out = _x_v,.supply = supply); //todo BUFF
-			INV_X1 not_x_req_ortree(.a = _x_v,.y = _x_v_B);
+			ortree<Nx> x_req_ortree(.in = _x_req_array, .supply = supply); //todo BUFF
+			INV_X1 not_x_req_ortree(.a = x_req_ortree.out, .y = _x_v_B);
+			INV_X1 not_x_req_ortree2(.a = _x_v_B,.y = _x_v);
+
 
 			//X_REQ validation
 			// bool _x_req_array[Nx],_x_v_B, _en;
@@ -827,7 +829,7 @@ defproc decoder_2d_hybrid (avMx1of2<NxC+NyC> in; a1of1 out[Nx*Ny]; bool? dly_cfg
 
 
 
-		export
+	export
     defproc nrn_line_end_pull_down (bool? in; bool? reset_B; power supply; bool! out)
     {
       bool _out, __out, nand_out;
@@ -882,14 +884,14 @@ defproc decoder_2d_hybrid (avMx1of2<NxC+NyC> in; a1of1 out[Nx*Ny]; bool? dly_cfg
 			// Note that this should be generalised.
 			// And probably won't even be done by ACT/innovus anwyay
 			// TODO: do it properly with sigbufs?
-			BUF_X4 out_ack_buf_x[Nx];
+			BUF_X12 out_ack_buf_x[Nx];
 			(i:Nx:
 				out_ack_buf_x[i].vss = supply.vss;
 				out_ack_buf_x[i].vdd = supply.vdd;
 				out_ack_buf_x[i].a = outx[i].a;
 				out_ack_buf_x[i].y = _outx[i].a;
 			)
-			BUF_X4 out_ack_buf_y[Ny];
+			BUF_X12 out_ack_buf_y[Ny];
 			(i:Ny:
 				out_ack_buf_y[i].vss = supply.vss;
 				out_ack_buf_y[i].vdd = supply.vdd;