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diff --git a/plugins/net.mograsim.logic.core/src/net/mograsim/logic/core/components/CoreUnidirectionalMerger.java b/plugins/net.mograsim.logic.core/src/net/mograsim/logic/core/components/CoreUnidirectionalMerger.java
new file mode 100644
index 00000000..6e6b0f15
--- /dev/null
+++ b/plugins/net.mograsim.logic.core/src/net/mograsim/logic/core/components/CoreUnidirectionalMerger.java
@@ -0,0 +1,85 @@
+package net.mograsim.logic.core.components;
+
+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.wires.CoreWire;
+import net.mograsim.logic.core.wires.CoreWire.ReadEnd;
+import net.mograsim.logic.core.wires.CoreWire.ReadWriteEnd;
+
+public class CoreUnidirectionalMerger extends CoreComponent implements LogicObserver
+{
+	private ReadWriteEnd out;
+	private ReadEnd[] inputs;
+	private int[] beginningIndex;
+
+	/**
+	 * 
+	 * @param union  The output of merging n {@link CoreWire}s into one. Must have width = a1.width() + a2.width() + ... + an.width().
+	 * @param inputs The inputs to be merged into the union
+	 */
+	public CoreUnidirectionalMerger(Timeline timeline, ReadWriteEnd union, ReadEnd... inputs)
+	{
+		super(timeline);
+		this.inputs = inputs;
+		this.out = union;
+		this.beginningIndex = new int[inputs.length];
+
+		int width = 0;
+		for (int i = 0; i < inputs.length; i++)
+		{
+			beginningIndex[i] = width;
+			width += inputs[i].width();
+			inputs[i].registerObserver(this);
+		}
+
+		if (width != union.width())
+			throw new IllegalArgumentException(
+					"The output of merging n WireArrays into one must have width = a1.width() + a2.width() + ... + an.width().");
+	}
+
+	public ReadEnd getInput(int index)
+	{
+		return inputs[index];
+	}
+
+	public ReadEnd getUnion()
+	{
+		return out;
+	}
+
+	@Override
+	public void update(LogicObservable initiator)
+	{
+		int index = find(initiator);
+		int beginning = beginningIndex[index];
+		out.feedSignals(beginning, inputs[index].getValues());
+	}
+
+	private int find(LogicObservable r)
+	{
+		for (int i = 0; i < inputs.length; i++)
+			if (inputs[i] == r)
+				return i;
+		return -1;
+	}
+
+	public ReadEnd[] getInputs()
+	{
+		return inputs.clone();
+	}
+
+	@Override
+	public List<ReadEnd> getAllInputs()
+	{
+		return List.of(inputs);
+	}
+
+	@Override
+	public List<ReadWriteEnd> getAllOutputs()
+	{
+		return List.of(out);
+	}
+}