1 package era.mi.logic.components;
3 import java.util.Arrays;
4 import java.util.Collections;
7 import era.mi.logic.Bit;
8 import era.mi.logic.wires.WireArray;
9 import era.mi.logic.wires.WireArray.WireArrayEnd;
11 public class TriStateBuffer extends BasicComponent
16 public TriStateBuffer(int processTime, WireArray in, WireArray out, WireArray enable)
19 if (in.length != out.length)
20 throw new IllegalArgumentException(
21 "Tri-state output must have the same amount of bits as the input. Input: " + in.length + " Output: " + out.length);
22 if (enable.length != 1)
23 throw new IllegalArgumentException("Tri-state enable must have exactly one bit, not " + enable.length + ".");
27 enable.addObserver(this);
28 outI = out.createInput();
32 protected void compute()
34 if (enable.getValue() == Bit.ONE)
35 outI.feedSignals(in.getValues());
41 public List<WireArray> getAllInputs()
43 return Collections.unmodifiableList(Arrays.asList(in, enable));
47 public List<WireArray> getAllOutputs()
49 return Collections.unmodifiableList(Arrays.asList(outI.owner));