Initial work

1 files changed, 34 insertions, 0 deletions

diff --git a/Ryujinx.Graphics.Shader/Decoders/OpCodeAlu.cs b/Ryujinx.Graphics.Shader/Decoders/OpCodeAlu.cs
new file mode 100644
index 00000000..15fbb9af
--- /dev/null
+++ b/Ryujinx.Graphics.Shader/Decoders/OpCodeAlu.cs
@@ -0,0 +1,34 @@
+using Ryujinx.Graphics.Shader.Instructions;
+
+namespace Ryujinx.Graphics.Shader.Decoders
+{
+    class OpCodeAlu : OpCode, IOpCodeAlu, IOpCodeRc
+    {
+        public Register Rd          { get; }
+        public Register Ra          { get; }
+        public Register Rc          { get; }
+        public Register Predicate39 { get; }
+
+        public int ByteSelection { get; }
+
+        public bool InvertP     { get; }
+        public bool Extended    { get; protected set; }
+        public bool SetCondCode { get; protected set; }
+        public bool Saturate    { get; protected set; }
+
+        public OpCodeAlu(InstEmitter emitter, ulong address, long opCode) : base(emitter, address, opCode)
+        {
+            Rd          = new Register(opCode.Extract(0,  8), RegisterType.Gpr);
+            Ra          = new Register(opCode.Extract(8,  8), RegisterType.Gpr);
+            Rc          = new Register(opCode.Extract(39, 8), RegisterType.Gpr);
+            Predicate39 = new Register(opCode.Extract(39, 3), RegisterType.Predicate);
+
+            ByteSelection = opCode.Extract(41, 2);
+
+            InvertP     = opCode.Extract(42);
+            Extended    = opCode.Extract(43);
+            SetCondCode = opCode.Extract(47);
+            Saturate    = opCode.Extract(50);
+        }
+    }
+}
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