import java.util.Collections;
import java.util.List;
-import era.mi.logic.wires.WireArray;
-import era.mi.logic.wires.WireArray.WireArrayInput;
+import era.mi.logic.timeline.Timeline;
+import era.mi.logic.wires.Wire;
+import era.mi.logic.wires.Wire.ReadEnd;
+import era.mi.logic.wires.Wire.ReadWriteEnd;
/**
- * Models a multiplexer. Takes an arbitrary amount of input {@link WireArray}s, one of which, as determined by select, is put through to the
+ * Models a multiplexer. Takes an arbitrary amount of input {@link Wire}s, one of which, as determined by select, is put through to the
* output.
*
* @author Fabian Stemmler
*
*/
-public class Mux extends BasicComponent {
- private WireArray select;
- private WireArrayInput outI;
- private WireArray[] inputs;
+public class Mux extends BasicComponent
+{
+ private ReadEnd select;
+ private ReadWriteEnd out;
+ private ReadEnd[] inputs;
private final int outputSize;
/**
- * Input {@link WireArray}s and out must be of uniform length
+ * Input {@link Wire}s and out must be of uniform length
*
* @param out Must be of uniform length with all inputs.
* @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) {
- super(processTime);
- outputSize = out.length;
+ public Mux(Timeline timeline, int processTime, ReadWriteEnd out, ReadEnd select, ReadEnd... inputs)
+ {
+ super(timeline, processTime);
+ outputSize = out.length();
this.inputs = inputs.clone();
- for (int i = 0; i < this.inputs.length; i++) {
- if (inputs[i].length != outputSize)
+ 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);
}
this.select = select;
select.addObserver(this);
- int maxInputs = 1 << select.length;
+ int maxInputs = 1 << select.length();
if (this.inputs.length > maxInputs)
throw new IllegalArgumentException("There are more inputs (" + this.inputs.length + ") to the MUX than supported by "
- + select.length + " select bits (" + maxInputs + ").");
+ + select.length() + " select bits (" + maxInputs + ").");
- outI = out.createInput();
+ this.out = out;
}
- public WireArray getOut() {
- return outI.owner;
+ public ReadEnd getOut()
+ {
+ return out;
}
- public WireArray getSelect() {
+ public ReadEnd getSelect()
+ {
return select;
}
@Override
- public void compute() {
+ public void compute()
+ {
int selectValue;
- if (!select.hasNumericValue() || (selectValue = (int) select.getUnsignedValue()) >= inputs.length) {
- outI.clearSignals();
+ if (!select.hasNumericValue() || (selectValue = (int) select.getUnsignedValue()) >= inputs.length)
+ {
+ out.clearSignals();
return;
}
- WireArray active = inputs[selectValue];
- outI.feedSignals(active.getValues());
+ ReadEnd active = inputs[selectValue];
+ out.feedSignals(active.getValues());
}
@Override
- public List<WireArray> getAllInputs() {
- ArrayList<WireArray> wires = new ArrayList<WireArray>(Arrays.asList(inputs));
+ public List<ReadEnd> getAllInputs()
+ {
+ ArrayList<ReadEnd> wires = new ArrayList<ReadEnd>(Arrays.asList(inputs));
wires.add(select);
return Collections.unmodifiableList(wires);
}
@Override
- public List<WireArray> getAllOutputs() {
- return Collections.unmodifiableList(Arrays.asList(outI.owner));
+ public List<ReadWriteEnd> getAllOutputs()
+ {
+ return List.of(out);
}
}