plugins/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/machine/registers/NumberedRegister.java

   1 package net.mograsim.logic.model.am2900.machine.registers;
   2
   3 import java.util.ArrayList;
   4 import java.util.Arrays;
   5 import java.util.Collections;
   6 import java.util.HashMap;
   7 import java.util.HashSet;
   8 import java.util.List;
   9
  10 import net.mograsim.machine.StandardRegister;
  11
  12 public class NumberedRegister extends StandardRegister
  13 {
  14         public static final List<NumberedRegister> instancesCorrectOrder;
  15
  16         static
  17         {
  18                 List<NumberedRegister> instancesCorrectOrderModifiable = new ArrayList<>();
  19                 for (int i = 0; i < 16; i++)
  20                         instancesCorrectOrderModifiable.add(new NumberedRegister(i));
  21                 instancesCorrectOrder = Collections.unmodifiableList(instancesCorrectOrderModifiable);
  22         }
  23
  24         private final int index;
  25         private final String indexBitstring;
  26
  27         private NumberedRegister(int i)
  28         {
  29                 super("R" + i, new HashSet<>(Arrays.asList(new String[] { "R" + i, "Register #" + i, "Register " + i })), 16, new HashMap<>());
  30                 this.index = i;
  31
  32                 StringBuilder sb = new StringBuilder();
  33                 sb.append((index & 0b1000) != 0 ? '1' : '0');
  34                 sb.append((index & 0b0100) != 0 ? '1' : '0');
  35                 sb.append((index & 0b0010) != 0 ? '1' : '0');
  36                 sb.append((index & 0b0001) != 0 ? '1' : '0');
  37                 this.indexBitstring = sb.toString();
  38         }
  39
  40         public int getIndex()
  41         {
  42                 return index;
  43         }
  44
  45         public String getIndexAsBitstring()
  46         {
  47                 return indexBitstring;
  48         }
  49 }