1 files changed, 23 insertions, 0 deletions
diff --git a/src/ARMeilleure/Decoders/OpCodeAlu.cs b/src/ARMeilleure/Decoders/OpCodeAlu.cs
new file mode 100644
index 00000000..4d7f03a7
--- /dev/null
+++ b/src/ARMeilleure/Decoders/OpCodeAlu.cs
@@ -0,0 +1,23 @@
+namespace ARMeilleure.Decoders
+{
+    class OpCodeAlu : OpCode, IOpCodeAlu
+    {
+        public int Rd { get; protected set; }
+        public int Rn { get; }
+
+        public DataOp DataOp { get; }
+
+        public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCodeAlu(inst, address, opCode);
+
+        public OpCodeAlu(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
+        {
+            Rd     =          (opCode >>  0) & 0x1f;
+            Rn     =          (opCode >>  5) & 0x1f;
+            DataOp = (DataOp)((opCode >> 24) & 0x3);
+
+            RegisterSize = (opCode >> 31) != 0
+                ? RegisterSize.Int64
+                : RegisterSize.Int32;
+        }
+    }
+}
+\ No newline at end of file