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.ArrayList;
   4 import java.util.Collections;
   5 import java.util.List;
   6
   7 import net.mograsim.logic.model.am2900.machine.registers.InstrRegister;
   8 import net.mograsim.logic.model.am2900.machine.registers.PCRegister;
   9 import net.mograsim.logic.model.am2900.machine.registers.muInstrRegister;
  10 import net.mograsim.logic.model.am2900.machine.registers.am2901.Am2901RegisterGroup;
  11 import net.mograsim.logic.model.am2900.machine.registers.am2904.Am2904RegisterGroup;
  12 import net.mograsim.logic.model.am2900.machine.registers.am2910.Am2910RegisterGroup;
  13 import net.mograsim.logic.model.model.LogicModelModifiable;
  14 import net.mograsim.machine.ISASchema;
  15 import net.mograsim.machine.MachineDefinition;
  16 import net.mograsim.machine.registers.Register;
  17 import net.mograsim.machine.registers.RegisterGroup;
  18
  19 //we can't use the Singleton pattern here because a MachineDefinition needs a public parameterless constructor
  20 //(used for detecting installed machines in plugin.core)
  21 public class AbstractAm2900MachineDefinition implements MachineDefinition
  22 {
  23         public static final String AM2900_TEACHING_MACHINE_ID = "Am2900Teaching";
  24         public static final String AM2900_EXPERT_MACHINE_ID = "Am2900Expert";
  25         public static final String AM2900_TEACHING_DESCRIPTION = "Am2900 for teaching purposes.\nAll registers are reset to 0 when starting.";
  26         public static final String AM2900_EXPERT_DESCRIPTION = "Am2900 \"for experts\".\nOnly the \u00b5PC will be reset to 0 when starting."
  27                         + "The microprogram will have to reset the other registers manually, including the PC.";
  28
  29         public static final List<Register> unsortedRegisters;
  30         public static final List<RegisterGroup> registerGroups;
  31
  32         static
  33         {
  34                 List<Register> unsortedRegistersModifiable = new ArrayList<>();
  35                 unsortedRegistersModifiable.add(muInstrRegister.instance);
  36                 unsortedRegistersModifiable.add(InstrRegister.instance);
  37                 unsortedRegistersModifiable.add(PCRegister.instance);
  38                 unsortedRegisters = Collections.unmodifiableList(unsortedRegistersModifiable);
  39                 List<RegisterGroup> registerGroupsModifiable = new ArrayList<>();
  40                 registerGroupsModifiable.add(Am2901RegisterGroup.instance);
  41                 registerGroupsModifiable.add(Am2904RegisterGroup.instance);
  42                 registerGroupsModifiable.add(Am2910RegisterGroup.instance);
  43                 registerGroups = Collections.unmodifiableList(registerGroupsModifiable);
  44         }
  45
  46         public final boolean expert;
  47
  48         protected AbstractAm2900MachineDefinition(boolean expert)
  49         {
  50                 this.expert = expert;
  51         }
  52
  53         @Override
  54         public String getId()
  55         {
  56                 return expert ? AM2900_EXPERT_MACHINE_ID : AM2900_TEACHING_MACHINE_ID;
  57         }
  58
  59         @Override
  60         public String getDescription()
  61         {
  62                 return expert ? AM2900_EXPERT_DESCRIPTION : AM2900_TEACHING_DESCRIPTION;
  63         }
  64
  65         @Override
  66         public Am2900Machine createNew()
  67         {
  68                 return createNew(new LogicModelModifiable());
  69         }
  70
  71         public Am2900Machine createNew(LogicModelModifiable model)
  72         {
  73                 return new Am2900Machine(model, this);
  74         }
  75
  76         @Override
  77         public ISASchema getISASchema()
  78         {
  79                 // TODO Auto-generated method stub
  80                 return null;
  81         }
  82
  83         @Override
  84         public List<Register> getUnsortedRegisters()
  85         {
  86                 return unsortedRegisters;
  87         }
  88
  89         @Override
  90         public List<RegisterGroup> getRegisterGroups()
  91         {
  92                 return registerGroups;
  93         }
  94
  95         @Override
  96         public int getAddressBits()
  97         {
  98                 return 16;
  99         }
 100
 101         @Override
 102         public Am2900MainMemoryDefinition getMainMemoryDefinition()
 103         {
 104                 return Am2900MainMemoryDefinition.instance;
 105         }
 106
 107         @Override
 108         public int hashCode()
 109         {
 110                 return expert ? 12345 : 54321;
 111         }
 112
 113         @Override
 114         public boolean equals(Object obj)
 115         {
 116                 return obj != null && obj instanceof AbstractAm2900MachineDefinition
 117                                 && ((AbstractAm2900MachineDefinition) obj).expert == this.expert;
 118         }
 119
 120         @Override
 121         public Am2900MicroInstructionMemoryDefinition getMicroInstructionMemoryDefinition()
 122         {
 123                 return Am2900MicroInstructionMemoryDefinition.instance;
 124         }
 125
 126 }