Split main project into core,graphics and chocolarm4 subproject (#29)

1 files changed, 27 insertions, 0 deletions

diff --git a/ChocolArm64/Decoder/AOpCodeSimd.cs b/ChocolArm64/Decoder/AOpCodeSimd.cs
new file mode 100644
index 00000000..5f940b22
--- /dev/null
+++ b/ChocolArm64/Decoder/AOpCodeSimd.cs
@@ -0,0 +1,27 @@
+using ChocolArm64.Instruction;
+using ChocolArm64.State;
+
+namespace ChocolArm64.Decoder
+{
+    class AOpCodeSimd : AOpCode, IAOpCodeSimd
+    {
+        public int Rd   { get; private   set; }
+        public int Rn   { get; private   set; }
+        public int Opc  { get; private   set; }
+        public int Size { get; protected set; }
+
+        public int SizeF => Size & 1;
+
+        public AOpCodeSimd(AInst Inst, long Position, int OpCode) : base(Inst, Position, OpCode)
+        {
+            Rd   = (OpCode >>  0) & 0x1f;
+            Rn   = (OpCode >>  5) & 0x1f;
+            Opc  = (OpCode >> 15) & 0x3;
+            Size = (OpCode >> 22) & 0x3;
+
+            RegisterSize = ((OpCode >> 30) & 1) != 0
+                ? ARegisterSize.SIMD128
+                : ARegisterSize.SIMD64;
+        }
+    }
+}
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