Beeper implemented but has noise on the port - to fix

Desktop/Form1.cs

@@ -17,6 +17,7 @@ namespace Desktop
         private ULA _ula = null!;
         private TapManager _tapManager = null!;
         private DebuggerForm? _debugger = null;
+        private BeeperDevice _beeper = null!;
         private string _baseTitle = "";
         private bool _isRunning = false;
         private bool _isPaused = false;
@@ -41,6 +42,7 @@ namespace Desktop
                 _memoryBus = new MemoryBus();
                 _simpleIoBus = new IO_Bus();
                 _ula = new ULA(_memoryBus, _simpleIoBus);
+                _beeper = new BeeperDevice();
                 _tapManager = new TapManager();
                 _memoryBus.CrapRAMData();
                 byte[] romData = RomLoader.Load("48.rom");
@@ -70,6 +72,7 @@ namespace Desktop
                     var stopwatch = Stopwatch.StartNew();
                     var fpsStopwatch = Stopwatch.StartNew();
                     long scanlineCount = 0;
+                    long audioSampleCount = 0;
 
                     while (_isRunning)
                     {                       
@@ -90,6 +93,13 @@ namespace Desktop
                         // --- Execute Instruction ---
                         _cpu.Step();
 
+                        //Process audio at the correct time
+                        while (_cpu.TotalTStates >= (long)(audioSampleCount * 79.365))
+                        {
+                            _beeper.AddSample(_simpleIoBus.BeeperState);
+                            audioSampleCount++;
+                        }
+
                         // --- Check for End of Frame ---
                         if (_cpu.TotalTStates >= nextScanlineTarget)
                         {