Renamed core components to have the common prefix Core

[Mograsim.git] / net.mograsim.logic.core / src / net / mograsim / logic / core / components / CoreBitDisplay.java

diff --git a/net.mograsim.logic.core/src/net/mograsim/logic/core/components/CoreBitDisplay.java b/net.mograsim.logic.core/src/net/mograsim/logic/core/components/CoreBitDisplay.java
new file mode 100644 (file)
index 0000000..8cd509c
--- /dev/null
+++ b/net.mograsim.logic.core/src/net/mograsim/logic/core/components/CoreBitDisplay.java
@@ -0,0 +1,76 @@
+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.CoreWire.ReadEnd;
+import net.mograsim.logic.core.wires.CoreWire.ReadWriteEnd;
+
+public class CoreBitDisplay extends BasicCoreComponent implements LogicObservable
+{
+       private Collection<LogicObserver> observers;
+       private final ReadEnd in;
+       private BitVector displayedValue;
+
+       public CoreBitDisplay(Timeline timeline, ReadEnd in)
+       {
+               super(timeline, 1);
+               observers = new ArrayList<>();
+               this.in = in;
+               in.registerObserver(this);
+               compute();
+       }
+
+       @Override
+       protected void compute()
+       {
+               displayedValue = in.getValues();
+               notifyObservers();
+       }
+
+       public BitVector getDisplayedValue()
+       {
+               return displayedValue;
+       }
+
+       public boolean isDisplaying(Bit... values)
+       {
+               return displayedValue.equals(BitVector.of(values));
+       }
+
+       @Override
+       public List<ReadEnd> getAllInputs()
+       {
+               return List.of(in);
+       }
+
+       @Override
+       public List<ReadWriteEnd> getAllOutputs()
+       {
+               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));
+       }
+}