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.machine.MainMemory;
   8 import net.mograsim.machine.MainMemoryDefinition;
   9 import net.mograsim.machine.ModelMemory;
  10
  11 public abstract class ModelWordAddressableMemory extends ModelMemory
  12 {
  13         private final Pin addrPin, dataPin, rWPin;
  14         private CoreWordAddressableMemory memory;
  15         private MainMemoryDefinition definition;
  16
  17         public ModelWordAddressableMemory(LogicModelModifiable model, MainMemoryDefinition definition, String name)
  18         {
  19                 super(model, 120, 150, name, "RAM", false);
  20                 this.definition = definition;
  21
  22                 addPin(addrPin = new Pin(model, this, "A", definition.getMemoryAddressBits(), PinUsage.INPUT, getWidth(), 30));
  23                 addPin(dataPin = new Pin(model, this, "D", definition.getCellWidth(), PinUsage.TRISTATE, getWidth(), 50));
  24                 addPin(rWPin = new Pin(model, this, "RW", 1, PinUsage.INPUT, getWidth(), 70));
  25
  26                 init();
  27         }
  28
  29         public MainMemoryDefinition getDefinition()
  30         {
  31                 return definition;
  32         }
  33
  34         public Pin getAddressPin()
  35         {
  36                 return addrPin;
  37         }
  38
  39         public Pin getDataPin()
  40         {
  41                 return dataPin;
  42         }
  43
  44         public Pin getReadWritePin()
  45         {
  46                 return rWPin;
  47         }
  48
  49         public void setCoreModelBinding(CoreWordAddressableMemory memory)
  50         {
  51                 this.memory = memory;
  52         }
  53
  54         public CoreWordAddressableMemory getCoreMemory()
  55         {
  56                 return memory;
  57         }
  58
  59         @Override
  60         public void setHighLevelState(String stateID, Object newState)
  61         {
  62                 if (stateID.equals("memory_binding"))
  63                         memory.setMemory((MainMemory) newState);
  64                 else
  65                         super.setHighLevelState(stateID, newState);
  66         }
  67
  68         @Override
  69         public Object getHighLevelState(String stateID)
  70         {
  71                 if (stateID.equals("memory_binding"))
  72                         return memory.getMemory();
  73                 return super.getHighLevelState(stateID);
  74         }
  75
  76         static
  77         {
  78                 LogicCoreAdapter.addComponentAdapter(new WordAddressableMemoryAdapter());
  79         }
  80 }