X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.machine%2Fsrc%2Fnet%2Fmograsim%2Fmachine%2Fmi%2FMicroInstructionDefinition.java;h=229c761f74283013bc211de243ead48e1bca6095;hb=259c5b8d38b6ed641fd9b5d78fe20969c67015dc;hp=b940e6528dca724014406be1ec6a39ffac00650b;hpb=2fe86b9ccd64afbe485b8290db9f11b93d9943bf;p=Mograsim.git

diff --git a/net.mograsim.machine/src/net/mograsim/machine/mi/MicroInstructionDefinition.java b/net.mograsim.machine/src/net/mograsim/machine/mi/MicroInstructionDefinition.java
index b940e652..229c761f 100644
--- a/net.mograsim.machine/src/net/mograsim/machine/mi/MicroInstructionDefinition.java
+++ b/net.mograsim.machine/src/net/mograsim/machine/mi/MicroInstructionDefinition.java
@@ -1,7 +1,13 @@
 package net.mograsim.machine.mi;
 
+import java.math.BigInteger;
+
+import net.mograsim.machine.mi.parameters.IntegerClassification;
+import net.mograsim.machine.mi.parameters.IntegerImmediate;
 import net.mograsim.machine.mi.parameters.MicroInstructionParameter;
+import net.mograsim.machine.mi.parameters.MnemonicFamily;
 import net.mograsim.machine.mi.parameters.ParameterClassification;
+import net.mograsim.machine.mi.parameters.MicroInstructionParameter.ParameterType;
 
 public interface MicroInstructionDefinition
 {
@@ -24,6 +30,33 @@ public interface MicroInstructionDefinition
 		return getParameterClassifications().length;
 	}
 	
+	public default MicroInstruction createDefaultInstruction()
+	{
+		int size = size();
+		MicroInstructionParameter[] params = new MicroInstructionParameter[size];
+		ParameterClassification[] classes = getParameterClassifications();
+		for(int i = 0; i < size; i++)
+		{
+			MicroInstructionParameter newParam;
+			ParameterClassification classification = classes[i];
+			ParameterType type = classification.getExpectedType();
+			switch(type)
+			{
+			case BOOLEAN_IMMEDIATE:
+			case MNEMONIC:
+				newParam = ((MnemonicFamily) classification).get(0);
+				break;
+			case INTEGER_IMMEDIATE:
+				newParam = new IntegerImmediate(BigInteger.valueOf(0), ((IntegerClassification) classification).getExpectedBits());
+				break;
+			default:
+				throw new IllegalStateException("Unknown ParameterType " + type);
+			}
+			params[i] = newParam;
+		}
+		return new StandardMicroInstruction(params);
+	}
+	
 	public static MicroInstructionDefinition create(ParameterClassification... classes)
 	{
 		return new StandardMicroInstructionDefinition(classes);