mograsim.net Git - Mograsim.git/blob

   1 package net.mograsim.machine.standard.memory;
   2
   3 import net.mograsim.logic.model.model.LogicModelModifiable;
   4 import net.mograsim.logic.model.model.wires.Pin;
   5 import net.mograsim.logic.model.model.wires.PinUsage;
   6 import net.mograsim.logic.model.modeladapter.LogicCoreAdapter;
   7 import net.mograsim.logic.model.serializing.IdentifyParams;
   8 import net.mograsim.logic.model.snippets.HighLevelStateHandler;
   9 import net.mograsim.machine.MainMemory;
  10 import net.mograsim.machine.MainMemoryDefinition;
  11 import net.mograsim.machine.ModelMemory;
  12
  13 public abstract class ModelWordAddressableMemory extends ModelMemory
  14 {
  15         private final Pin addrPin, dataPin, rWPin;
  16         private CoreWordAddressableMemory memory;
  17         private MainMemoryDefinition definition;
  18
  19         public ModelWordAddressableMemory(LogicModelModifiable model, MainMemoryDefinition definition, String name)
  20         {
  21                 super(model, 120, 150, name, "RAM", false);
  22                 this.definition = definition;
  23
  24                 addPin(addrPin = new Pin(model, this, "A", definition.getMemoryAddressBits(), PinUsage.INPUT, getWidth(), 30));
  25                 addPin(dataPin = new Pin(model, this, "D", definition.getCellWidth(), PinUsage.TRISTATE, getWidth(), 50));
  26                 addPin(rWPin = new Pin(model, this, "RW", 1, PinUsage.INPUT, getWidth(), 70));
  27
  28                 setHighLevelStateHandler(new HighLevelStateHandler()
  29                 {
  30                         @Override
  31                         public Object getHighLevelState(String stateID)
  32                         {
  33                                 if (stateID.equals("memory_binding"))
  34                                         return memory.getMemory();
  35                                 throw new IllegalArgumentException("No high level state with ID " + stateID);
  36                         }
  37
  38                         @Override
  39                         public void setHighLevelState(String stateID, Object newState)
  40                         {
  41                                 if (stateID.equals("memory_binding"))
  42                                         memory.setMemory((MainMemory) newState);
  43                                 else
  44                                         throw new IllegalArgumentException("No high level state with ID " + stateID);
  45                         }
  46
  47                         @Override
  48                         public String getIDForSerializing(IdentifyParams idParams)
  49                         {
  50                                 return null;
  51                         }
  52
  53                         @Override
  54                         public Object getParamsForSerializing(IdentifyParams idParams)
  55                         {
  56                                 return null;
  57                         }
  58                 });
  59
  60                 init();
  61         }
  62
  63         public MainMemoryDefinition getDefinition()
  64         {
  65                 return definition;
  66         }
  67
  68         public Pin getAddressPin()
  69         {
  70                 return addrPin;
  71         }
  72
  73         public Pin getDataPin()
  74         {
  75                 return dataPin;
  76         }
  77
  78         public Pin getReadWritePin()
  79         {
  80                 return rWPin;
  81         }
  82
  83         public void setCoreModelBinding(CoreWordAddressableMemory memory)
  84         {
  85                 this.memory = memory;
  86         }
  87
  88         public CoreWordAddressableMemory getCoreMemory()
  89         {
  90                 return memory;
  91         }
  92
  93         static
  94         {
  95                 LogicCoreAdapter.addComponentAdapter(new WordAddressableMemoryAdapter());
  96         }
  97 }