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

ChocolArm64/AThread.cs

@@ -0,0 +1,72 @@
+using ChocolArm64.Memory;
+using ChocolArm64.State;
+using System;
+using System.Threading;
+
+namespace ChocolArm64
+{
+    public class AThread
+    {
+        public AThreadState ThreadState { get; private set; }
+        public AMemory      Memory      { get; private set; }
+
+        public long EntryPoint { get; private set; }
+
+        private ATranslator Translator;
+
+        private ThreadPriority Priority;
+
+        private Thread Work;
+
+        public event EventHandler WorkFinished;
+
+        public int ThreadId => ThreadState.ThreadId;
+
+        public bool IsAlive => Work.IsAlive;
+
+        private bool IsExecuting;
+
+        private object ExecuteLock;
+
+        public AThread(AMemory Memory, ThreadPriority Priority, long EntryPoint)
+        {
+            this.Memory     = Memory;
+            this.Priority   = Priority;
+            this.EntryPoint = EntryPoint;
+
+            ThreadState = new AThreadState();
+            Translator  = new ATranslator(this);
+            ExecuteLock = new object();
+        }
+
+        public void StopExecution() => Translator.StopExecution();
+
+        public bool Execute()
+        {
+            lock (ExecuteLock)
+            {
+                if (IsExecuting)
+                {
+                    return false;
+                }
+
+                IsExecuting = true;
+            }
+
+            Work = new Thread(delegate()
+            {
+                Translator.ExecuteSubroutine(EntryPoint);
+
+                Memory.RemoveMonitor(ThreadId);
+
+                WorkFinished?.Invoke(this, EventArgs.Empty);
+            });
+
+            Work.Priority = Priority;
+
+            Work.Start();
+
+            return true;
+        }
+    }
+}