X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=era.mi%2Fsrc%2Fera%2Fmi%2Flogic%2Fcomponents%2FConnector.java;fp=era.mi%2Fsrc%2Fera%2Fmi%2Flogic%2Fcomponents%2FConnector.java;h=47cf901f4108b02de4f46925a7d06343211ae746;hb=b1e7855af2dfc15b4d6c1253dd77db02925162f3;hp=0000000000000000000000000000000000000000;hpb=c1d0ddc342c482051fa6c455bb286617135bd3c3;p=Mograsim.git

diff --git a/era.mi/src/era/mi/logic/components/Connector.java b/era.mi/src/era/mi/logic/components/Connector.java
new file mode 100644
index 00000000..47cf901f
--- /dev/null
+++ b/era.mi/src/era/mi/logic/components/Connector.java
@@ -0,0 +1,75 @@
+package era.mi.logic.components;
+
+import java.util.List;
+
+import era.mi.logic.Bit;
+import era.mi.logic.Simulation;
+import era.mi.logic.wires.Wire;
+import era.mi.logic.wires.Wire.WireEnd;
+import era.mi.logic.wires.WireObserver;
+
+public class Connector implements WireObserver, Component
+{
+	private boolean connected;
+	private final WireEnd a;
+	private final WireEnd b;
+
+	public Connector(WireEnd a, WireEnd b)
+	{
+		if (a.length() != b.length())
+			throw new IllegalArgumentException(String.format("WireArray width does not match: %d, %d", a.length(), b.length()));
+		this.a = a;
+		this.b = b;
+		a.addObserver(this);
+		b.addObserver(this);
+	}
+
+	public void connect()
+	{
+		connected = true;
+		update(a.getWire());
+		update(b.getWire());
+	}
+
+	public void disconnect()
+	{
+		connected = false;
+		a.clearSignals();
+		b.clearSignals();
+	}
+
+	public void setConnection(boolean connected)
+	{
+		if (connected)
+			connect();
+		else
+			disconnect();
+	}
+
+	@Override
+	public void update(Wire initiator, Bit[] oldValues)
+	{
+		if (connected)
+			Simulation.TIMELINE.addEvent(e -> update(initiator), 1);
+	}
+
+	private void update(Wire initiator)
+	{
+		if (initiator == a.getWire())
+			b.feedSignals(a.wireValuesExcludingMe());
+		else
+			a.feedSignals(b.wireValuesExcludingMe());
+	}
+
+	@Override
+	public List<WireEnd> getAllInputs()
+	{
+		return List.of(a, b);
+	}
+
+	@Override
+	public List<WireEnd> getAllOutputs()
+	{
+		return List.of(a, b);
+	}
+}