X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.machine%2Fsrc%2Fnet%2Fmograsim%2Fmachine%2Fmi%2Fcomponents%2FCoreMicroInstructionMemory.java;fp=net.mograsim.machine%2Fsrc%2Fnet%2Fmograsim%2Fmachine%2Fmi%2Fcomponents%2FCoreMicroInstructionMemory.java;h=29793c5c3bb159958a0cfe225ea996282f162004;hb=7b8035a065c7b64f38850907d519f9a7dfb67e24;hp=0000000000000000000000000000000000000000;hpb=d09827f6dc03fa3cded8e996b4ce45fdae3755ca;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
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index 00000000..29793c5c
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+++ b/net.mograsim.machine/src/net/mograsim/machine/mi/components/CoreMicroInstructionMemory.java
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+package net.mograsim.machine.mi.components;
+
+import java.util.List;
+
+import net.mograsim.logic.core.components.BasicCoreComponent;
+import net.mograsim.logic.core.timeline.Timeline;
+import net.mograsim.logic.core.timeline.TimelineEventHandler;
+import net.mograsim.logic.core.types.Bit;
+import net.mograsim.logic.core.types.BitVector;
+import net.mograsim.logic.core.wires.CoreWire.ReadEnd;
+import net.mograsim.logic.core.wires.CoreWire.ReadWriteEnd;
+import net.mograsim.machine.mi.MicroInstructionMemory;
+
+public class CoreMicroInstructionMemory extends BasicCoreComponent
+{
+	private final ReadWriteEnd data;
+	private final ReadEnd address, clock;
+	private final MicroInstructionMemory memory;
+	
+	
+	public CoreMicroInstructionMemory(Timeline timeline, int processTime, MicroInstructionMemory memory, ReadWriteEnd data, ReadEnd address, ReadEnd clock)
+	{
+		super(timeline, processTime);
+		this.memory = memory;
+		this.data = data;
+		this.address = address;
+		this.clock = clock;
+	}
+
+	public MicroInstructionMemory getMemory()
+	{
+		return memory;
+	}
+	
+	@Override
+	public List<ReadEnd> getAllInputs()
+	{
+		return List.of(address, clock);
+	}
+
+	@Override
+	public List<ReadWriteEnd> getAllOutputs()
+	{
+		return List.of(data);
+	}
+
+	@Override
+	protected TimelineEventHandler compute()
+	{
+		if(clock.getValue() != Bit.ONE)
+			return null;
+		
+		if (!address.hasNumericValue())
+		{
+			return e -> data.feedSignals(Bit.U.toVector(data.width()));
+		}
+		long addressed = address.getUnsignedValue();
+		BitVector storedData = memory.getCell(addressed).toBitVector();
+		return e -> data.feedSignals(storedData);
+	}
+}