X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.machine%2Fsrc%2Fnet%2Fmograsim%2Fmachine%2Fmi%2Fcomponents%2FCoreMicroInstructionMemory.java;h=739402803fbf4420583034761bb77635296fa512;hb=8bed58cd47f4e53a0a83e066d38864aa6875502f;hp=29793c5c3bb159958a0cfe225ea996282f162004;hpb=91f076c44a4f00786343beb923ab01894672416f;p=Mograsim.git 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 29793c5c..73940280 100644 --- 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 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); }