Move solution and projects to src

1 files changed, 33 insertions, 0 deletions

diff --git a/src/Ryujinx.HLE/HOS/Tamper/CodeEmitters/SaveOrRestoreRegisterWithMask.cs b/src/Ryujinx.HLE/HOS/Tamper/CodeEmitters/SaveOrRestoreRegisterWithMask.cs
new file mode 100644
index 00000000..2264e9d1
--- /dev/null
+++ b/src/Ryujinx.HLE/HOS/Tamper/CodeEmitters/SaveOrRestoreRegisterWithMask.cs
@@ -0,0 +1,33 @@
+namespace Ryujinx.HLE.HOS.Tamper.CodeEmitters
+{
+    /// <summary>
+    /// Code type 0xC2 performs saving or restoring of multiple registers using a bitmask.
+    /// NOTE: Registers are saved and restored to a different set of registers than the ones used
+    /// for the other opcodes (Save Registers).
+    /// </summary>
+    class SaveOrRestoreRegisterWithMask
+    {
+        private const int OperationTypeIndex = 2;
+        private const int RegisterMaskIndex = 4;
+
+        private const int RegisterMaskSize = 4;
+
+        public static void Emit(byte[] instruction, CompilationContext context)
+        {
+            // C2x0XXXX
+            // x: Operand Type, see below.
+            // X: 16-bit bitmask, bit i == save or restore register i.
+
+            byte operationType = instruction[OperationTypeIndex];
+            ulong mask = InstructionHelper.GetImmediate(instruction, RegisterMaskIndex, RegisterMaskSize);
+
+            for (byte regIndex = 0; mask != 0; mask >>= 1, regIndex++)
+            {
+                if ((mask & 0x1) != 0)
+                {
+                    SaveOrRestoreRegister.Impl(operationType, regIndex, regIndex, context);
+                }
+            }
+        }
+    }
+}