+++ /dev/null
-package net.mograsim.logic.core.components;
-
-import java.util.List;
-
-import net.mograsim.logic.core.timeline.Timeline;
-import net.mograsim.logic.core.timeline.TimelineEventHandler;
-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 CoreTriStateBuffer extends BasicCoreComponent
-{
- ReadEnd in, enable;
- ReadWriteEnd out;
-
- public CoreTriStateBuffer(Timeline timeline, int processTime, ReadEnd in, ReadWriteEnd out, ReadEnd enable)
- {
- super(timeline, processTime);
- if (in.width() != out.width())
- throw new IllegalArgumentException(
- "Tri-state output must have the same amount of bits as the input. Input: " + in.width() + " Output: " + out.width());
- if (enable.width() != 1)
- throw new IllegalArgumentException("Tri-state enable must have exactly one bit, not " + enable.width() + ".");
- this.in = in;
- in.registerObserver(this);
- this.enable = enable;
- enable.registerObserver(this);
- this.out = out;
- }
-
- @Override
- protected TimelineEventHandler compute()
- {
- if (enable.getValue() == Bit.ONE)
- {
- BitVector inValues = in.getValues();
- return e -> out.feedSignals(inValues);
- }
- return e -> out.clearSignals();
- }
-
- @Override
- public List<ReadEnd> getAllInputs()
- {
- return List.of(in, enable);
- }
-
- @Override
- public List<ReadWriteEnd> getAllOutputs()
- {
- return List.of(out);
- }
-
-}