package era.mi.logic.components;
-import java.util.Arrays;
-import java.util.Collections;
import java.util.List;
-import era.mi.logic.wires.WireArray;
-import era.mi.logic.wires.WireArray.WireArrayEnd;
+import era.mi.logic.wires.Wire;
+import era.mi.logic.wires.Wire.WireEnd;
/**
- * 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 Demux extends BasicComponent
{
- private final WireArray select, in;
- private final WireArray[] outputs;
- private final WireArrayEnd[] outputsI;
+ private final WireEnd select, in;
+ private final WireEnd[] outputs;
private final int outputSize;
private int selected = -1;
/**
- * Input {@link WireArray}s and out must be of uniform length
+ * Output {@link Wire}s and in 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 outputs One of these inputs is mapped to the output, depending on the select bits
+ * @param in Must be of uniform length with all outputs.
+ * @param select Indexes the output array to which the input is mapped. Must have enough bits to index all outputs.
+ * @param outputs One of these outputs receives the input signal, depending on the select bits
*/
- public Demux(int processTime, WireArray in, WireArray select, WireArray... outputs)
+ public Demux(int processTime, WireEnd in, WireEnd select, WireEnd... outputs)
{
super(processTime);
- outputSize = in.length;
+ outputSize = in.length();
this.in = in;
this.outputs = outputs;
- this.outputsI = new WireArrayEnd[outputs.length];
- for (int i = 0; i < this.outputsI.length; i++)
+ for (int i = 0; i < this.outputs.length; i++)
{
- if (outputs[i].length != outputSize)
+ if (outputs[i].length() != outputSize)
throw new IllegalArgumentException("All DEMUX wire arrays must be of uniform length!");
- this.outputsI[i] = outputs[i].createInput();
+ this.outputs[i] = outputs[i];
}
this.select = select;
select.addObserver(this);
- int maxInputs = 1 << select.length;
- if (this.outputsI.length > maxInputs)
- throw new IllegalArgumentException("There are more outputs (" + this.outputsI.length + ") to the DEMUX than supported by "
- + select.length + " select bits (" + maxInputs + ").");
+ int maxInputs = 1 << select.length();
+ if (this.outputs.length > maxInputs)
+ throw new IllegalArgumentException("There are more outputs (" + this.outputs.length + ") to the DEMUX than supported by "
+ + select.length() + " select bits (" + maxInputs + ").");
in.addObserver(this);
}
public void compute()
{
int selectValue = select.hasNumericValue() ? (int) select.getUnsignedValue() : -1;
- if (selectValue >= outputsI.length)
+ if (selectValue >= outputs.length)
selectValue = -1;
if (selected != selectValue && selected != -1)
- outputsI[selected].clearSignals();
+ outputs[selected].clearSignals();
selected = selectValue;
if (selectValue != -1)
- outputsI[selectValue].feedSignals(in.getValues());
+ outputs[selectValue].feedSignals(in.getValues());
}
@Override
- public List<WireArray> getAllInputs()
+ public List<WireEnd> getAllInputs()
{
- return Collections.unmodifiableList(Arrays.asList(in, select));
+ return List.of(in, select);
}
@Override
- public List<WireArray> getAllOutputs()
+ public List<WireEnd> getAllOutputs()
{
- return Collections.unmodifiableList(Arrays.asList(outputs));
+ return List.of(outputs);
}
}