Added DiskIIDrive.RemoveDisk.

Added DisableResetKey to Keyboard settings.

Virtu/DiskIIDrive.cs

@@ -58,13 +58,19 @@ public void SaveState(BinaryWriter writer)
         public void InsertDisk(string name, Stream stream, bool isWriteProtected)
         {
             FlushTrack();
-
-            // TODO handle null param/empty string for eject, or add Eject()
-
             _disk = Disk525.CreateDisk(name, stream, isWriteProtected);
             _trackLoaded = false;
         }
 
+        public void RemoveDisk()
+        {
+            _trackLoaded = false;
+            _trackChanged = false;
+            _trackNumber = 0;
+            _trackOffset = 0;
+            _disk = null;
+        }
+
         public void ApplyPhaseChange(int phaseState)
         {
             // step the drive head according to stepper magnet changes
@@ -139,12 +145,12 @@ public void FlushTrack()
 
         private readonly int[][] DriveArmStepDelta = new int[PhaseCount][];
 
-        private Disk525 _disk;
         private bool _trackLoaded;
         private bool _trackChanged;
         private int _trackNumber;
         private int _trackOffset;
         private byte[] _trackData = new byte[Disk525.TrackSize];
+        private Disk525 _disk;
 
         private Random _random = new Random();
     }

Virtu/Keyboard.cs

@@ -26,6 +26,8 @@ public override void LoadState(BinaryReader reader, Version version)
                 throw new ArgumentNullException("reader");
             }
 
+            DisableResetKey = reader.ReadBoolean();
+
             UseGamePort = reader.ReadBoolean();
             Joystick0UpLeftKey = reader.ReadInt32();
             Joystick0UpKey = reader.ReadInt32();
@@ -55,6 +57,8 @@ public override void SaveState(BinaryWriter writer)
                 throw new ArgumentNullException("writer");
             }
 
+            writer.Write(DisableResetKey);
+
             writer.Write(UseGamePort);
             writer.Write(Joystick0UpLeftKey);
             writer.Write(Joystick0UpKey);
@@ -82,6 +86,8 @@ public void ResetStrobe()
             Strobe = false;
         }
 
+        public bool DisableResetKey { get; set; }
+
         public bool UseGamePort { get; set; }
         public int Joystick0UpLeftKey { get; set; }
         public int Joystick0UpKey { get; set; }

Virtu/Machine.cs

@@ -158,16 +158,6 @@ private void LoadState(Stream stream)
             }
         }
 
-        private void Uninitialize()
-        {
-            foreach (var component in Components)
-            {
-                //_debugService.WriteLine("Uninitializing component '{0}'", component.GetType().Name);
-                component.Uninitialize();
-                //_debugService.WriteLine("Uninitialized component '{0}'", component.GetType().Name);
-            }
-        }
-
         private void SaveState()
         {
             _storageService.Save(Machine.StateFileName, stream => SaveState(stream));
@@ -188,6 +178,16 @@ private void SaveState(Stream stream)
             }
         }
 
+        private void Uninitialize()
+        {
+            foreach (var component in Components)
+            {
+                //_debugService.WriteLine("Uninitializing component '{0}'", component.GetType().Name);
+                component.Uninitialize();
+                //_debugService.WriteLine("Uninitialized component '{0}'", component.GetType().Name);
+            }
+        }
+
         private void Run() // machine thread
         {
             //_debugService = Services.GetService<DebugService>();
@@ -219,7 +219,7 @@ private void Run() // machine thread
             Uninitialize();
         }
 
-        public const string Version = "0.9.1.0";
+        public const string Version = "0.9.2.0";
 
         public MachineEvents Events { get; private set; }
         public MachineServices Services { get; private set; }

Virtu/Services/KeyboardService.cs

@@ -11,7 +11,9 @@ protected KeyboardService(Machine machine) :
 
         public virtual void Update() // main thread
         {
-            if (IsResetKeyDown)
+            var keyboard = Machine.Keyboard;
+
+            if (IsResetKeyDown && !keyboard.DisableResetKey)
             {
                 if (!_resetKeyDown)
                 {