plugins/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/machine/AbstractAm2900MachineDefinition.java

   1 package net.mograsim.logic.model.am2900.machine;
   2
   3 import java.util.Collections;
   4 import java.util.HashSet;
   5 import java.util.Set;
   6
   7 import net.mograsim.logic.model.am2900.machine.registers.NumberedRegister;
   8 import net.mograsim.logic.model.am2900.machine.registers.QRegister;
   9 import net.mograsim.logic.model.model.LogicModelModifiable;
  10 import net.mograsim.machine.ISASchema;
  11 import net.mograsim.machine.MachineDefinition;
  12 import net.mograsim.machine.Register;
  13
  14 //we can't use the Singleton pattern here because a MachineDefinition needs a public parameterless constructor
  15 //(used for detecting installed machines in plugin.core)
  16 public class AbstractAm2900MachineDefinition implements MachineDefinition
  17 {
  18         public static final String SIMPLE_AM2900_MACHINE_ID = "Am2900Simple";
  19         public static final String STRICT_AM2900_MACHINE_ID = "Am2900Strict";
  20
  21         public static final Set<Register> allRegisters;
  22
  23         static
  24         {
  25                 Set<Register> allRegistersModifiable = new HashSet<>();
  26                 allRegistersModifiable.add(QRegister.instance);
  27                 allRegistersModifiable.addAll(NumberedRegister.instancesCorrectOrder);
  28                 allRegisters = Collections.unmodifiableSet(allRegistersModifiable);
  29         }
  30
  31         public final boolean strict;
  32
  33         protected AbstractAm2900MachineDefinition(boolean strict)
  34         {
  35                 this.strict = strict;
  36         }
  37
  38         @Override
  39         public String getId()
  40         {
  41                 return strict ? STRICT_AM2900_MACHINE_ID : SIMPLE_AM2900_MACHINE_ID;
  42         }
  43
  44         @Override
  45         public Am2900Machine createNew()
  46         {
  47                 return createNew(new LogicModelModifiable());
  48         }
  49
  50         public Am2900Machine createNew(LogicModelModifiable model)
  51         {
  52                 return new Am2900Machine(model, this);
  53         }
  54
  55         @Override
  56         public ISASchema getISASchema()
  57         {
  58                 // TODO Auto-generated method stub
  59                 return null;
  60         }
  61
  62         @Override
  63         public Set<Register> getRegisters()
  64         {
  65                 return allRegisters;
  66         }
  67
  68         @Override
  69         public int getAddressBits()
  70         {
  71                 return 16;
  72         }
  73
  74         @Override
  75         public Am2900MainMemoryDefinition getMainMemoryDefinition()
  76         {
  77                 return Am2900MainMemoryDefinition.instance;
  78         }
  79
  80         @Override
  81         public int hashCode()
  82         {
  83                 return strict ? 12345 : 54321;
  84         }
  85
  86         @Override
  87         public boolean equals(Object obj)
  88         {
  89                 return obj != null && obj instanceof AbstractAm2900MachineDefinition
  90                                 && ((AbstractAm2900MachineDefinition) obj).strict == this.strict;
  91         }
  92
  93         @Override
  94         public Am2900MicroInstructionMemoryDefinition getMicroInstructionMemoryDefinition()
  95         {
  96                 return Am2900MicroInstructionMemoryDefinition.instance;
  97         }
  98
  99 }