X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.logic.core%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fcore%2Fcomponents%2FBitDisplay.java;h=799f41245188d1bee62d4d5dd55c4e57c21900b7;hb=026db85f46b6ea58e765ecff069545728eebdcac;hp=268d1572403d13bd9e98d66c7025a895aee71980;hpb=07faf07e3acb8b2afdc2bf65a46bc868faaed0f8;p=Mograsim.git

diff --git a/net.mograsim.logic.core/src/net/mograsim/logic/core/components/BitDisplay.java b/net.mograsim.logic.core/src/net/mograsim/logic/core/components/BitDisplay.java
index 268d1572..799f4124 100644
--- a/net.mograsim.logic.core/src/net/mograsim/logic/core/components/BitDisplay.java
+++ b/net.mograsim.logic.core/src/net/mograsim/logic/core/components/BitDisplay.java
@@ -1,23 +1,29 @@
 package net.mograsim.logic.core.components;
 
+import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 
+import net.mograsim.logic.core.LogicObservable;
+import net.mograsim.logic.core.LogicObserver;
 import net.mograsim.logic.core.timeline.Timeline;
 import net.mograsim.logic.core.types.Bit;
 import net.mograsim.logic.core.types.BitVector;
 import net.mograsim.logic.core.wires.Wire.ReadEnd;
 import net.mograsim.logic.core.wires.Wire.ReadWriteEnd;
 
-public class BitDisplay extends BasicComponent
+public class BitDisplay extends BasicComponent implements LogicObservable
 {
+	private Collection<LogicObserver> observers;
 	private final ReadEnd in;
 	private BitVector displayedValue;
 
 	public BitDisplay(Timeline timeline, ReadEnd in)
 	{
 		super(timeline, 1);
+		observers = new ArrayList<>();
 		this.in = in;
-		in.addObserver(this);
+		in.registerObserver(this);
 		compute();
 	}
 
@@ -25,6 +31,7 @@ public class BitDisplay extends BasicComponent
 	protected void compute()
 	{
 		displayedValue = in.getValues();
+		notifyObservers();
 	}
 
 	public BitVector getDisplayedValue()
@@ -48,4 +55,22 @@ public class BitDisplay extends BasicComponent
 	{
 		return List.of();
 	}
+
+	@Override
+	public void registerObserver(LogicObserver ob)
+	{
+		observers.add(ob);
+	}
+
+	@Override
+	public void deregisterObserver(LogicObserver ob)
+	{
+		observers.remove(ob);
+	}
+
+	@Override
+	public void notifyObservers()
+	{
+		observers.forEach(ob -> ob.update(this));
+	}
 }