X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=plugins%2Fnet.mograsim.machine%2Fsrc%2Fnet%2Fmograsim%2Fmachine%2Fmi%2FAssignableMPROM.java;fp=plugins%2Fnet.mograsim.machine%2Fsrc%2Fnet%2Fmograsim%2Fmachine%2Fmi%2FAssignableMPROM.java;h=04050130e5867f25c7575534d368080d9174a84a;hb=d8745744bfff69076608f30e60c0d86d1f115833;hp=0000000000000000000000000000000000000000;hpb=1c5ecbd9dc7fd2f410aeacf9532d57b3637e938e;p=Mograsim.git

diff --git a/plugins/net.mograsim.machine/src/net/mograsim/machine/mi/AssignableMPROM.java b/plugins/net.mograsim.machine/src/net/mograsim/machine/mi/AssignableMPROM.java
new file mode 100644
index 00000000..04050130
--- /dev/null
+++ b/plugins/net.mograsim.machine/src/net/mograsim/machine/mi/AssignableMPROM.java
@@ -0,0 +1,99 @@
+package net.mograsim.machine.mi;
+
+import java.math.BigInteger;
+import java.util.HashSet;
+import java.util.Set;
+
+import net.mograsim.logic.core.types.BitVector;
+import net.mograsim.machine.Memory.MemoryCellModifiedListener;
+
+public class AssignableMPROM implements MPROM, MemoryCellModifiedListener
+{
+
+	private Set<MemoryCellModifiedListener> observers = new HashSet<>();
+
+	private Set<MPROMReassignedListener> reassignmentListeners = new HashSet<>();
+	private MPROM real = null;
+
+	public AssignableMPROM(MPROM standardMPROM)
+	{
+		real = standardMPROM;
+		real.registerCellModifiedListener(this);
+	}
+
+	public void bind(MPROM real)
+	{
+		this.real.deregisterCellModifiedListener(this);
+		this.real = real;
+		real.registerCellModifiedListener(this);
+		notifyMemoryChanged(-1);
+		notifyMemoryReassigned(real);
+	}
+
+	@Override
+	public BitVector getCell(long address)
+	{
+		return real.getCell(address);
+	}
+
+	@Override
+	public void setCell(long address, BitVector data)
+	{
+		real.setCell(address, data);
+	}
+
+	@Override
+	public BigInteger getCellAsBigInteger(long address)
+	{
+		return real.getCellAsBigInteger(address);
+	}
+
+	@Override
+	public void registerCellModifiedListener(MemoryCellModifiedListener ob)
+	{
+		observers.add(ob);
+	}
+
+	@Override
+	public void deregisterCellModifiedListener(MemoryCellModifiedListener ob)
+	{
+		observers.remove(ob);
+	}
+
+	private void notifyMemoryChanged(long address)
+	{
+		observers.forEach(o -> o.update(address));
+	}
+
+	@Override
+	public MPROMDefinition getDefinition()
+	{
+		return real.getDefinition();
+	}
+
+	@Override
+	public void update(long address)
+	{
+		notifyMemoryChanged(address);
+	}
+
+	public void registerMemoryReassignedListener(MPROMReassignedListener listener)
+	{
+		reassignmentListeners.add(listener);
+	}
+
+	public void deregisterMemoryReassignedListener(MPROMReassignedListener listener)
+	{
+		reassignmentListeners.remove(listener);
+	}
+
+	private void notifyMemoryReassigned(MPROM newAssignee)
+	{
+		reassignmentListeners.forEach(l -> l.reassigned(newAssignee));
+	}
+
+	public static interface MPROMReassignedListener
+	{
+		public void reassigned(MPROM newAssignee);
+	}
+}