Move solution and projects to src

src/Ryujinx.Cpu/ITickSource.cs

@@ -0,0 +1,31 @@
+using ARMeilleure.State;
+using System;
+
+namespace Ryujinx.Cpu
+{
+    /// <summary>
+    /// Tick source interface.
+    /// </summary>
+    public interface ITickSource : ICounter
+    {
+        /// <summary>
+        /// Time elapsed since the counter was created.
+        /// </summary>
+        TimeSpan ElapsedTime { get; }
+
+        /// <summary>
+        /// Time elapsed since the counter was created, in seconds.
+        /// </summary>
+        double ElapsedSeconds { get; }
+
+        /// <summary>
+        /// Stops counting.
+        /// </summary>
+        void Suspend();
+
+        /// <summary>
+        /// Resumes counting after a call to <see cref="Suspend"/>.
+        /// </summary>
+        void Resume();
+    }
+}