Pissed about trying to fix a number of bugs

Desktop/Form1.cs

@@ -40,6 +40,8 @@ namespace Desktop
             this.KeyPreview = true;
             this.KeyDown += Form1_KeyDown;
             this.KeyUp += Form1_KeyUp;
+            this.DoubleBuffered = true;
+            this.ResizeRedraw = true;
         }
 
         private void DrawScreen()
@@ -48,11 +50,34 @@ namespace Desktop
             var data = _screenBitmap.LockBits(new Rectangle(0, 0, 256, 192), ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
             Marshal.Copy(_machine.VideoProcessor.FrameBuffer, 0, data.Scan0, _machine.VideoProcessor.FrameBuffer.Length);
             _screenBitmap.UnlockBits(data);
-
-            // Update the PictureBox
-            pbScreen.Image = _screenBitmap;
+            this.Invalidate();
             TotalFrameCount++;
         }
+        protected override void OnPaint(PaintEventArgs e)
+        {
+            // Always call the base method so Windows can draw your MenuStrip!
+            base.OnPaint(e);
+
+            if (_screenBitmap != null)
+            {
+                // 1. Set the rendering mode for perfect, chunky retro pixels!
+                e.Graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
+                e.Graphics.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.Half;
+
+                // 2. Calculate the drawing area. 
+                // We start drawing BELOW the MenuStrip so it doesn't get covered up.
+                int topOffset = menuStrip1.Height; // Change 'menuStrip1' if your menu has a different (Name)
+                Rectangle renderArea = new Rectangle(
+                    0,
+                    topOffset,
+                    this.ClientSize.Width,
+                    this.ClientSize.Height - topOffset
+                );
+
+                // 3. Blast the bitmap directly onto the graphics card buffer!
+                e.Graphics.DrawImage(_screenBitmap, renderArea);
+            }
+        }
 
         public void StartEmulator()
         {