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                 // TODO MSR, muSR, MIR, IR, PC/BZ...
  29                 allRegisters = Collections.unmodifiableSet(allRegistersModifiable);
  30         }
  31
  32         public final boolean strict;
  33
  34         protected AbstractAm2900MachineDefinition(boolean strict)
  35         {
  36                 this.strict = strict;
  37         }
  38
  39         @Override
  40         public String getId()
  41         {
  42                 return strict ? STRICT_AM2900_MACHINE_ID : SIMPLE_AM2900_MACHINE_ID;
  43         }
  44
  45         @Override
  46         public Am2900Machine createNew()
  47         {
  48                 return createNew(new LogicModelModifiable());
  49         }
  50
  51         public Am2900Machine createNew(LogicModelModifiable model)
  52         {
  53                 return new Am2900Machine(model, this);
  54         }
  55
  56         @Override
  57         public ISASchema getISASchema()
  58         {
  59                 // TODO Auto-generated method stub
  60                 return null;
  61         }
  62
  63         @Override
  64         public Set<Register> getRegisters()
  65         {
  66                 return allRegisters;
  67         }
  68
  69         @Override
  70         public int getAddressBits()
  71         {
  72                 return 16;
  73         }
  74
  75         @Override
  76         public Am2900MainMemoryDefinition getMainMemoryDefinition()
  77         {
  78                 return Am2900MainMemoryDefinition.instance;
  79         }
  80
  81         @Override
  82         public int hashCode()
  83         {
  84                 return strict ? 12345 : 54321;
  85         }
  86
  87         @Override
  88         public boolean equals(Object obj)
  89         {
  90                 return obj != null && obj instanceof AbstractAm2900MachineDefinition
  91                                 && ((AbstractAm2900MachineDefinition) obj).strict == this.strict;
  92         }
  93
  94         @Override
  95         public Am2900MicroInstructionMemoryDefinition getMicroInstructionMemoryDefinition()
  96         {
  97                 return Am2900MicroInstructionMemoryDefinition.instance;
  98         }
  99
 100 }