import java.util.List;
import era.mi.logic.wires.WireArray;
-import era.mi.logic.wires.WireArray.WireArrayInput;
+import era.mi.logic.wires.WireArray.WireArrayEnd;
/**
* Models a multiplexer. Takes an arbitrary amount of input {@link WireArray}s, one of which, as determined by select, is put through to the
* @author Fabian Stemmler
*
*/
-public class Mux extends BasicComponent {
+public class Mux extends BasicComponent
+{
private WireArray select;
- private WireArrayInput outI;
+ private WireArrayEnd outI;
private WireArray[] inputs;
private final int outputSize;
* @param select Indexes the input array which is to be mapped to the output. Must have enough bits to index all inputs.
* @param inputs One of these inputs is mapped to the output, depending on the select bits
*/
- public Mux(int processTime, WireArray out, WireArray select, WireArray... inputs) {
+ public Mux(int processTime, WireArray out, WireArray select, WireArray... inputs)
+ {
super(processTime);
outputSize = out.length;
this.inputs = inputs.clone();
- for (int i = 0; i < this.inputs.length; i++) {
+ for (int i = 0; i < this.inputs.length; i++)
+ {
if (inputs[i].length != outputSize)
throw new IllegalArgumentException("All MUX wire arrays must be of uniform length!");
inputs[i].addObserver(this);
outI = out.createInput();
}
- public WireArray getOut() {
+ public WireArray getOut()
+ {
return outI.owner;
}
- public WireArray getSelect() {
+ public WireArray getSelect()
+ {
return select;
}
@Override
- public void compute() {
+ public void compute()
+ {
int selectValue;
- if (!select.hasNumericValue() || (selectValue = (int) select.getUnsignedValue()) >= inputs.length) {
+ if (!select.hasNumericValue() || (selectValue = (int) select.getUnsignedValue()) >= inputs.length)
+ {
outI.clearSignals();
return;
}
}
@Override
- public List<WireArray> getAllInputs() {
+ public List<WireArray> getAllInputs()
+ {
ArrayList<WireArray> wires = new ArrayList<WireArray>(Arrays.asList(inputs));
wires.add(select);
return Collections.unmodifiableList(wires);
}
@Override
- public List<WireArray> getAllOutputs() {
+ public List<WireArray> getAllOutputs()
+ {
return Collections.unmodifiableList(Arrays.asList(outI.owner));
}
}