--- /dev/null
+package net.mograsim.logic.core.components.gates;
+
+import java.util.List;
+
+import net.mograsim.logic.core.components.BasicCoreComponent;
+import net.mograsim.logic.core.timeline.Timeline;
+import net.mograsim.logic.core.timeline.TimelineEventHandler;
+import net.mograsim.logic.core.types.BitVector.BitVectorMutator;
+import net.mograsim.logic.core.types.MutationOperation;
+import net.mograsim.logic.core.wires.CoreWire.ReadEnd;
+import net.mograsim.logic.core.wires.CoreWire.ReadWriteEnd;
+
+public abstract class MultiInputCoreGate extends BasicCoreComponent
+{
+ protected ReadEnd[] in;
+ protected ReadWriteEnd out;
+ protected final int width;
+ protected MutationOperation op;
+ protected boolean invert = false;
+
+ protected MultiInputCoreGate(Timeline timeline, int processTime, MutationOperation op, ReadWriteEnd out, ReadEnd... in)
+ {
+ super(timeline, processTime);
+ this.op = op;
+ width = out.width();
+ this.in = in.clone();
+ if (in.length < 1)
+ throw new IllegalArgumentException(String.format("Cannot create gate with %d wires.", in.length));
+ for (ReadEnd w : in)
+ {
+ if (w.width() != width)
+ throw new IllegalArgumentException("All wires connected to the gate must be of uniform length.");
+ w.registerObserver(this);
+ }
+ this.out = out;
+ }
+
+ protected MultiInputCoreGate(Timeline timeline, int processTime, MutationOperation op, boolean invert, ReadWriteEnd out, ReadEnd... in)
+ {
+ this(timeline, processTime, op, out, in);
+ this.invert = invert;
+ }
+
+ @Override
+ public List<ReadEnd> getAllInputs()
+ {
+ return List.of(in);
+ }
+
+ @Override
+ public List<ReadWriteEnd> getAllOutputs()
+ {
+ return List.of(out);
+ }
+
+ @Override
+ public TimelineEventHandler compute()
+ {
+ BitVectorMutator mutator = BitVectorMutator.empty();
+ for (ReadEnd w : in)
+ op.apply(mutator, w.getValues());
+ return e -> out.feedSignals(invert ? mutator.toBitVector().not() : mutator.toBitVector());
+ }
+}