X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=era.mi%2Fsrc%2Fera%2Fmi%2Flogic%2Fcomponents%2Fgates%2FMultiInputGate.java;fp=era.mi%2Fsrc%2Fera%2Fmi%2Flogic%2Fcomponents%2Fgates%2FMultiInputGate.java;h=0b4a5d097b3eed8613685d185d4dfd0e0ece251f;hb=5606ceefa2c360772194c85ed884e5f8f06f36aa;hp=0000000000000000000000000000000000000000;hpb=002110424653b282ab9c7ea4b12f967d59e5f66a;p=Mograsim.git

diff --git a/era.mi/src/era/mi/logic/components/gates/MultiInputGate.java b/era.mi/src/era/mi/logic/components/gates/MultiInputGate.java
new file mode 100644
index 00000000..0b4a5d09
--- /dev/null
+++ b/era.mi/src/era/mi/logic/components/gates/MultiInputGate.java
@@ -0,0 +1,54 @@
+package era.mi.logic.components.gates;
+
+import java.util.List;
+
+import era.mi.logic.components.BasicComponent;
+import era.mi.logic.types.BitVector.BitVectorMutator;
+import era.mi.logic.types.MutationOperation;
+import era.mi.logic.wires.Wire.WireEnd;
+
+public abstract class MultiInputGate extends BasicComponent
+{
+	protected WireEnd[] in;
+	protected WireEnd out;
+	protected final int length;
+	protected MutationOperation op;
+
+	protected MultiInputGate(int processTime, MutationOperation op, WireEnd out, WireEnd... in)
+	{
+		super(processTime);
+		this.op = op;
+		length = out.length();
+		this.in = in.clone();
+		if (in.length < 1)
+			throw new IllegalArgumentException(String.format("Cannot create gate with %d wires.", in.length));
+		for (WireEnd w : in)
+		{
+			if (w.length() != length)
+				throw new IllegalArgumentException("All wires connected to the gate must be of uniform length.");
+			w.addObserver(this);
+		}
+		this.out = out;
+	}
+
+	@Override
+	public List<WireEnd> getAllInputs()
+	{
+		return List.of(in);
+	}
+
+	@Override
+	public List<WireEnd> getAllOutputs()
+	{
+		return List.of(out);
+	}
+
+	@Override
+	protected void compute()
+	{
+		BitVectorMutator mutator = BitVectorMutator.empty();
+		for (WireEnd w : in)
+			op.apply(mutator, w.getValues());
+		out.feedSignals(mutator.get());
+	}
+}