From 9268d2fe8fd0ee49bcace266573425d27237b041 Mon Sep 17 00:00:00 2001
From: Christian Femers <femers@in.tum.de>
Date: Mon, 16 Sep 2019 03:14:18 +0200
Subject: [PATCH] Fixed bug in CoreWordAddressableMemory where signals were not
 cleared.

---
 .../machine/standard/memory/CoreWordAddressableMemory.java  | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net.mograsim.machine/src/net/mograsim/machine/standard/memory/CoreWordAddressableMemory.java b/net.mograsim.machine/src/net/mograsim/machine/standard/memory/CoreWordAddressableMemory.java
index ca557a6b..40abba9f 100644
--- a/net.mograsim.machine/src/net/mograsim/machine/standard/memory/CoreWordAddressableMemory.java
+++ b/net.mograsim.machine/src/net/mograsim/machine/standard/memory/CoreWordAddressableMemory.java
@@ -71,12 +71,12 @@ public class CoreWordAddressableMemory extends BasicCoreComponent
 			return e -> data.feedSignals(storedData);
 		}
 		BitVector transData = data.getValues();
-		if (transData.equals(memory.getCell(addressed)))
-			return null;
+		boolean isNewData = !transData.equals(memory.getCell(addressed));
 		return e ->
 		{
 			data.clearSignals();
-			memory.setCell(addressed, transData);
+			if (isNewData)
+				memory.setCell(addressed, transData);
 		};
 	}
 
-- 
2.17.1