X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.logic.core%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fcore%2Fcomponents%2FClock.java;fp=net.mograsim.logic.core%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fcore%2Fcomponents%2FClock.java;h=b691d7e7183608b75b456615c5347f619de8bead;hb=4c02fe978b3ef5dfe795a8e5c3a8977abd17e9cf;hp=65621358f4d4d2900b02f676864b6bf6c898d45d;hpb=36acc8080de773a3a10d85dedc45add7ac9da4a7;p=Mograsim.git

diff --git a/net.mograsim.logic.core/src/net/mograsim/logic/core/components/Clock.java b/net.mograsim.logic.core/src/net/mograsim/logic/core/components/Clock.java
index 65621358..b691d7e7 100644
--- a/net.mograsim.logic.core/src/net/mograsim/logic/core/components/Clock.java
+++ b/net.mograsim.logic.core/src/net/mograsim/logic/core/components/Clock.java
@@ -1,7 +1,11 @@
 package net.mograsim.logic.core.components;
 
+import java.util.Collection;
+import java.util.HashSet;
 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.timeline.TimelineEvent;
 import net.mograsim.logic.core.timeline.TimelineEventHandler;
@@ -10,8 +14,9 @@ import net.mograsim.logic.core.wires.Wire;
 import net.mograsim.logic.core.wires.Wire.ReadEnd;
 import net.mograsim.logic.core.wires.Wire.ReadWriteEnd;
 
-public class Clock extends Component implements TimelineEventHandler
+public class Clock extends Component implements TimelineEventHandler, LogicObservable
 {
+	private Collection<LogicObserver> observers;
 	private boolean toggle = false;
 	private ReadWriteEnd out;
 	private int delta;
@@ -26,6 +31,7 @@ public class Clock extends Component implements TimelineEventHandler
 		super(timeline);
 		this.delta = delta;
 		this.out = out;
+		this.observers = new HashSet<>();
 		addToTimeline();
 	}
 
@@ -35,6 +41,7 @@ public class Clock extends Component implements TimelineEventHandler
 		addToTimeline();
 		out.feedSignals(toggle ? Bit.ONE : Bit.ZERO);
 		toggle = !toggle;
+		notifyObservers();
 	}
 
 	public ReadWriteEnd getOut()
@@ -42,6 +49,11 @@ public class Clock extends Component implements TimelineEventHandler
 		return out;
 	}
 
+	public boolean isOn()
+	{
+		return !toggle;
+	}
+
 	private void addToTimeline()
 	{
 		timeline.addEvent(this, delta);
@@ -58,4 +70,22 @@ public class Clock extends Component implements TimelineEventHandler
 	{
 		return List.of(out);
 	}
+
+	@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));
+	}
 }