Fixed a bug in Am2900; created dlatch8/80; relayouted some components

[Mograsim.git] / net.mograsim.machine / src / net / mograsim / machine / mi / components / CoreMicroInstructionMemory.java

diff --git a/net.mograsim.machine/src/net/mograsim/machine/mi/components/CoreMicroInstructionMemory.java b/net.mograsim.machine/src/net/mograsim/machine/mi/components/CoreMicroInstructionMemory.java
index 29793c5..7394028 100644 (file)
--- a/net.mograsim.machine/src/net/mograsim/machine/mi/components/CoreMicroInstructionMemory.java
+++ b/net.mograsim.machine/src/net/mograsim/machine/mi/components/CoreMicroInstructionMemory.java
@@ -14,28 +14,28 @@ import net.mograsim.machine.mi.MicroInstructionMemory;
 public class CoreMicroInstructionMemory extends BasicCoreComponent
 {
        private final ReadWriteEnd data;
-       private final ReadEnd address, clock;
+       private final ReadEnd address;
        private final MicroInstructionMemory memory;
-       
-       
-       public CoreMicroInstructionMemory(Timeline timeline, int processTime, MicroInstructionMemory memory, ReadWriteEnd data, ReadEnd address, ReadEnd clock)
+
+       public CoreMicroInstructionMemory(Timeline timeline, int processTime, MicroInstructionMemory memory, ReadWriteEnd data, ReadEnd address)
        {
                super(timeline, processTime);
                this.memory = memory;
                this.data = data;
                this.address = address;
-               this.clock = clock;
+               memory.registerObserver(a -> update());
+               address.registerObserver(this);
        }
 
        public MicroInstructionMemory getMemory()
        {
                return memory;
        }
-       
+
        @Override
        public List<ReadEnd> getAllInputs()
        {
-               return List.of(address, clock);
+               return List.of(address);
        }
 
        @Override
@@ -47,14 +47,11 @@ public class CoreMicroInstructionMemory extends BasicCoreComponent
        @Override
        protected TimelineEventHandler compute()
        {
-               if(clock.getValue() != Bit.ONE)
-                       return null;
-               
-               if (!address.hasNumericValue())
+               if (!address.getValues().isBinary())
                {
-                       return e -> data.feedSignals(Bit.U.toVector(data.width()));
+                       return e -> data.feedSignals(Bit.U.toVector(data.width()));// TODO don't always feed U, but decide to feed X or U.
                }
-               long addressed = address.getUnsignedValue();
+               long addressed = address.getValues().getUnsignedValueLong();
                BitVector storedData = memory.getCell(addressed).toBitVector();
                return e -> data.feedSignals(storedData);
        }