From f1080345fcc25c18e65615be106b781044592980 Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sun, 13 Sep 2020 14:11:12 +0100
Subject: [PATCH] add dummy Display function

---
 src/nmutil/util.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/nmutil/util.py b/src/nmutil/util.py
index 5e8660b..c9e95cc 100644
--- a/src/nmutil/util.py
+++ b/src/nmutil/util.py
@@ -58,3 +58,15 @@ def rising_edge(m, sig):
     m.d.comb += rising.eq(sig & ~delay) # sig is hi but delay-sig is lo
     return rising
 
+
+# Display function (dummy if non-existent)
+# added as a patch from jeanthom
+# https://gist.githubusercontent.com/jeanthom/
+#           f97f5b928720d4adda9d295e8a5bc078/
+#           raw/694274e0aceec993c0fc127e296b1a85b93c1b89/nmigen-display.diff
+try:
+    from nmigen.hdl.ast import Display
+except ImportError:
+    def Display(*args):
+        return []
+
-- 
2.30.2