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