1 files changed, 27 insertions, 0 deletions
diff --git a/ARMeilleure/Decoders/OpCodeAluRs.cs b/ARMeilleure/Decoders/OpCodeAluRs.cs
new file mode 100644
index 00000000..84fb6ac6
--- /dev/null
+++ b/ARMeilleure/Decoders/OpCodeAluRs.cs
@@ -0,0 +1,27 @@
+namespace ARMeilleure.Decoders
+{
+    class OpCodeAluRs : OpCodeAlu, IOpCodeAluRs
+    {
+        public int Shift { get; private set; }
+        public int Rm    { get; private set; }
+
+        public ShiftType ShiftType { get; private set; }
+
+        public OpCodeAluRs(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
+        {
+            int shift = (opCode >> 10) & 0x3f;
+
+            if (shift >= GetBitsCount())
+            {
+                Instruction = InstDescriptor.Undefined;
+
+                return;
+            }
+
+            Shift = shift;
+
+            Rm        =             (opCode >> 16) & 0x1f;
+            ShiftType = (ShiftType)((opCode >> 22) & 0x3);
+        }
+    }
+}
+\ No newline at end of file