X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.machine%2Fsrc%2Fnet%2Fmograsim%2Fmachine%2Fmi%2FStandardMicroprogramMemory.java;h=e06a94da73d3ee1e4330dc80172ad6791a95088b;hb=3813eb83f6c17041dcb67d7d2744c66a8bfdb18d;hp=a253f22da5aa4767c2b19bdeea1c283f7333fb65;hpb=97fd4dc20d7db4f5b3d162f56910df4fc56b7871;p=Mograsim.git

diff --git a/net.mograsim.machine/src/net/mograsim/machine/mi/StandardMicroprogramMemory.java b/net.mograsim.machine/src/net/mograsim/machine/mi/StandardMicroprogramMemory.java
index a253f22d..e06a94da 100644
--- a/net.mograsim.machine/src/net/mograsim/machine/mi/StandardMicroprogramMemory.java
+++ b/net.mograsim.machine/src/net/mograsim/machine/mi/StandardMicroprogramMemory.java
@@ -10,7 +10,7 @@ class StandardMicroprogramMemory implements MicroprogramMemory
 {
 	private MicroInstruction[] data;
 	private MemoryDefinition definition;
-	private HashSet<MemoryObserver> observers;
+	private HashSet<MemoryObserver> observers = new HashSet<>();
 	
 	StandardMicroprogramMemory(MemoryDefinition definition)
 	{