1 files changed, 22 insertions, 0 deletions
diff --git a/ARMeilleure/Decoders/OpCodeBReg.cs b/ARMeilleure/Decoders/OpCodeBReg.cs
new file mode 100644
index 00000000..00c51ec7
--- /dev/null
+++ b/ARMeilleure/Decoders/OpCodeBReg.cs
@@ -0,0 +1,22 @@
+namespace ARMeilleure.Decoders
+{
+    class OpCodeBReg : OpCode
+    {
+        public int Rn { get; private set; }
+
+        public OpCodeBReg(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
+        {
+            int op4 = (opCode >>  0) & 0x1f;
+            int op2 = (opCode >> 16) & 0x1f;
+
+            if (op2 != 0b11111 || op4 != 0b00000)
+            {
+                Instruction = InstDescriptor.Undefined;
+
+                return;
+            }
+
+            Rn = (opCode >> 5) & 0x1f;
+        }
+    }
+}
+\ No newline at end of file