From 0e40dc0a2d336945dfe0669207fe160cafff50dc Mon Sep 17 00:00:00 2001
From: Stuart Olsen <stuart@sj-olsen.com>
Date: Tue, 7 Apr 2020 04:17:14 -0700
Subject: [PATCH] back.pysim: Clear pending updates after they are effected

---
 nmigen/back/pysim.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nmigen/back/pysim.py b/nmigen/back/pysim.py
index dfe2ab5..1ea631c 100644
--- a/nmigen/back/pysim.py
+++ b/nmigen/back/pysim.py
@@ -251,6 +251,7 @@ class _SimulatorState:
                 if self.waveform_writer is not None:
                     self.waveform_writer.update(self.timestamp,
                         signal_state.signal, signal_state.curr)
+        self.pending.clear()
         return awoken_any
 
     def advance(self):
-- 
2.30.2