aloha

1 files changed, 24 insertions, 0 deletions

diff --git a/Ryujinx/Cpu/Decoder/AOpCodeBReg.cs b/Ryujinx/Cpu/Decoder/AOpCodeBReg.cs
new file mode 100644
index 00000000..a71fc338
--- /dev/null
+++ b/Ryujinx/Cpu/Decoder/AOpCodeBReg.cs
@@ -0,0 +1,24 @@
+using ChocolArm64.Instruction;
+
+namespace ChocolArm64.Decoder
+{
+    class AOpCodeBReg : AOpCode
+    {
+        public int Rn { get; private set; }
+
+        public AOpCodeBReg(AInst Inst, long Position, int OpCode) : base(Inst, Position)
+        {
+            int Op4 = (OpCode >>  0) & 0x1f;
+            int Op2 = (OpCode >> 16) & 0x1f;
+
+            if (Op2 != 0b11111 || Op4 != 0b00000)
+            {
+                Emitter = AInstEmit.Und;
+
+                return;
+            }
+
+            Rn = (OpCode >> 5) & 0x1f;
+        }
+    }
+}
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