WireEnd functionality split into ReadEnd and ReadWriteEnd

[Mograsim.git] / era.mi / src / era / mi / logic / components / Demux.java

diff --git a/era.mi/src/era/mi/logic/components/Demux.java b/era.mi/src/era/mi/logic/components/Demux.java
index f534334..2182596 100644 (file)
--- a/era.mi/src/era/mi/logic/components/Demux.java
+++ b/era.mi/src/era/mi/logic/components/Demux.java
@@ -1,78 +1,81 @@
 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.WireArrayInput;
+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 Demux extends BasicComponent {
-       private final WireArray select, in;
-       private final WireArray[] outputs;
-       private final WireArrayInput[] outputsI;
+public class Demux extends BasicComponent
+{
+       private final ReadEnd select, in;
+       private final ReadWriteEnd[] 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, ReadEnd in, ReadEnd select, ReadWriteEnd... outputs)
+       {
                super(processTime);
-               outputSize = in.length;
+               outputSize = in.length();
 
                this.in = in;
                this.outputs = outputs;
-               this.outputsI = new WireArrayInput[outputs.length];
-               for (int i = 0; i < this.outputsI.length; i++) {
-                       if (outputs[i].length != outputSize)
+               for (int i = 0; i < this.outputs.length; i++)
+               {
+                       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);
        }
 
        @Override
-       public void compute() {
+       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() {
-               return Collections.unmodifiableList(Arrays.asList(in, select));
+       public List<ReadEnd> getAllInputs()
+       {
+               return List.of(in, select);
        }
 
        @Override
-       public List<WireArray> getAllOutputs() {
-               return Collections.unmodifiableList(Arrays.asList(outputs));
+       public List<ReadWriteEnd> getAllOutputs()
+       {
+               return List.of(outputs);
        }
 }