From a53bd58e29426de8749d290fc465f303701ac265 Mon Sep 17 00:00:00 2001
From: alexmadison <git@mdsn.co.uk>
Date: Wed, 30 Mar 2022 16:50:05 +0200
Subject: [PATCH] added Ole dly4 as per hugh

---
 dataflow_neuro/cell_lib_std.act | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/dataflow_neuro/cell_lib_std.act b/dataflow_neuro/cell_lib_std.act
index ce93a4a..19adf06 100644
--- a/dataflow_neuro/cell_lib_std.act
+++ b/dataflow_neuro/cell_lib_std.act
@@ -102,15 +102,23 @@ namespace tmpl {
     /*-- delay cells --*/
     // TODO properly
 
+    // export defcell DLY4_X1(bool! y; bool? a, vdd, vss)
+    // {
+    //   bool _y, __y, ___y;
+    //   prs {
+    //     a => _y-
+    //     _y => __y-
+    //     __y => ___y-
+    //     ___y => y-
+    //   }
+    // }
+
     export defcell DLY4_X1(bool! y; bool? a, vdd, vss)
     {
-      bool _y, __y, ___y;
-      prs {
-        a => _y-
-        _y => __y-
-        __y => ___y-
-        ___y => y-
-      }
+        BUF_X1 bufchain[16];
+        (i:0..14: bufchain[i].y = bufchain[i+1].a;)
+        bufchain[0].a = a;
+        bufchain[15].y = y;
     }