From 8d942273afd131fd84997bb0c218ca057517c8c7 Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Tue, 16 Nov 2021 00:36:17 +0000
Subject: [PATCH] add intermediary signal to track things down

---
 src/spec/testing_stage1.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/spec/testing_stage1.py b/src/spec/testing_stage1.py
index fbdf844..dcf8bf6 100644
--- a/src/spec/testing_stage1.py
+++ b/src/spec/testing_stage1.py
@@ -112,7 +112,9 @@ class Blinker(Elaboratable):
         # get the UART resource, mess with the output tx
         uart = platform.request('uart')
         print (uart, uart.fields)
-        m.d.comb += uart.tx.eq(uart.rx)
+        intermediary = Signal()
+        m.d.comb += uart.tx.eq(intermediary)
+        m.d.comb += intermediary.eq(uart.rx)
         return m
 
 
-- 
2.30.2