2.0.3.0 Improved sounds output timing accuracy.

        Supported HOLD1 control change message.

README.md

@@ -1,4 +1,4 @@
-MAmidiMEmo V2.0.2.0 / Itoken (c)2019, 2020 / GPL-2.0
+MAmidiMEmo V2.0.3.0 / Itoken (c)2019, 2020 / GPL-2.0
 
 *** What is the MAmidiMEmo? ***
 
@@ -224,6 +224,8 @@ e.g.) YM2151 has 8ch FM sounds, so you can play 8 chords on MIDI 1ch or sharing
 
 *** Changes ***
 
+2.0.3.0 Improved sounds output timing accuracy.
+        Supported HOLD1 control change message.
 2.0.2.0 Improved MT-32 sounds output timing & latency.
 2.0.1.0 Fixed crashing on some chip...
 2.0.0.0 Fixed some minor bugs.

src/emu/machine.cpp

@@ -185,6 +185,7 @@ std::string running_machine::describe_context() const
 //-------------------------------------------------
 //  start - initialize the emulated machine
 //-------------------------------------------------
+void StartMAmidiMEmoMain();
 
 void running_machine::start()
 {
@@ -198,6 +199,11 @@ void running_machine::start()
 	// allocate a soft_reset timer
 	m_soft_reset_timer = m_scheduler.timer_alloc(timer_expired_delegate(FUNC(running_machine::soft_reset), this));
 
+	StartMAmidiMEmoMain();
+
+	emu_timer* mami_timer = m_scheduler.timer_alloc(timer_expired_delegate(FUNC(running_machine::mami_timer_callback), this));
+	mami_timer->adjust(attotime::from_msec(1), 0, attotime::from_msec(1));
+
 	// initialize UI input
 	m_ui_input = make_unique_clear<ui_input_manager>(*this);
 
@@ -298,10 +304,15 @@ void running_machine::start()
 
 //mamidimemo
 
-void StartMAmidiMEmoMain();
-
 int HasExited();
 
+void SoundTimerCallback();
+
+void running_machine::mami_timer_callback(void *ptr, s32 param)
+{
+	SoundTimerCallback();
+}
+
 int running_machine::run(bool quiet)
 {
 	int error = EMU_ERR_NONE;
@@ -367,9 +378,6 @@ int running_machine::run(bool quiet)
 		// break out to our async javascript loop and halt
 		emscripten_set_running_machine(this);
 #endif
-
-		StartMAmidiMEmoMain();
-
 		// run the CPUs until a reset or exit
 		while ((!m_hard_reset_pending && !m_exit_pending) || m_saveload_schedule != saveload_schedule::NONE)
 		{

src/emu/machine.h

@@ -295,6 +295,7 @@ class running_machine
 	void set_saveload_filename(std::string &&filename);
 	void handle_saveload();
 	void soft_reset(void *ptr = nullptr, s32 param = 0);
+	void mami_timer_callback(void *ptr = nullptr, s32 param = 0);
 	std::string nvram_filename(device_t &device) const;
 	void nvram_load();
 	void nvram_save();

src/emu/mamidimemo.cpp

@@ -18,6 +18,7 @@ typedef void(CALLBACK* SendMidiSysEventProc)(unsigned char *data, int length);
 typedef int(CALLBACK* CloseApplicationProc)();
 typedef void(CALLBACK*  LoadDataProc)(byte* data, int length);
 typedef int(CALLBACK* SaveDataProc)(void** saveBuf);
+typedef void(CALLBACK* SoundTimerCallbackProc)();
 
 InitializeDotNetProc initializeDotNet = 0;
 HasExitedProc hasExited = 0;
@@ -31,6 +32,7 @@ SendMidiSysEventProc sendMidiSysEvent = 0;
 CloseApplicationProc closeApplication = 0;
 LoadDataProc loadData;
 SaveDataProc saveData;
+SoundTimerCallbackProc soundTimerCallback;
 
 DWORD WINAPI StartMAmidiMEmoMainThread(LPVOID lpParam)
 {
@@ -101,6 +103,9 @@ void StartMAmidiMEmoMain()
 	proc = GetProcAddress(hModule, "SaveData");
 	if (proc != NULL)
 		saveData = reinterpret_cast<SaveDataProc>(proc);
+	proc = GetProcAddress(hModule, "SoundTimerCallback");
+	if (proc != NULL)
+		soundTimerCallback = reinterpret_cast<SoundTimerCallbackProc>(proc);
 
 	// Launch MAmi
 	proc = GetProcAddress(hModule, "MainWarpper");
@@ -197,3 +202,8 @@ int SaveData(void** saveBuf)
 {
 	return saveData(saveBuf);
 }
+
+void SoundTimerCallback()
+{
+	return soundTimerCallback();
+}

src/mamidimemo/Gui/FormMain.cs

@@ -29,6 +29,8 @@ public partial class FormMain : Form
 
         private static ListView outputListView;
 
+        private static ToolStripStatusLabel statusLabel;
+
         private static StreamWriter logStream;
 
         /// <summary>
@@ -61,6 +63,8 @@ public static void OutputDebugLog(String log)
 
                 var item = outputListView.Items.Add(log);
                 outputListView.EnsureVisible(item.Index);
+                if (outputListView.Items.Count > 10000)
+                    outputListView.Items.RemoveAt(0);
             }), null);
         }
 
@@ -75,8 +79,31 @@ public static void OutputLog(String log)
 
             outputListView?.BeginInvoke(new MethodInvoker(() =>
             {
+                if (outputListView.IsDisposed)
+                    return;
+
                 var item = outputListView.Items.Add(log);
                 outputListView.EnsureVisible(item.Index);
+                if (outputListView.Items.Count > 10000)
+                    outputListView.Items.RemoveAt(0);
+            }), null);
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="log"></param>
+        public static void SetStatusText(String text)
+        {
+            if (statusLabel.IsDisposed)
+                return;
+
+            statusLabel.GetCurrentParent()?.BeginInvoke(new MethodInvoker(() =>
+            {
+                if (statusLabel.IsDisposed)
+                    return;
+
+                statusLabel.Text = text;
             }), null);
         }
 
@@ -140,6 +167,8 @@ public FormMain()
             }
             outputListView = listView1;
 
+            statusLabel = toolStripStatusLabel1;
+
             //MIDI Event
             InstrumentManager_InstrumentChanged(null, null);
             InstrumentManager.InstrumentChanged += InstrumentManager_InstrumentChanged;
@@ -588,14 +617,14 @@ private void toolStripButton1_Click(object sender, EventArgs e)
 
             try
             {
-                InstrumentManager.ExclusiveLockObject.EnterReadLock();
+                InstrumentManager.ExclusiveLockObject.EnterWriteLock();
 
                 foreach (var inst in InstrumentManager.GetAllInstruments())
                     inst.AllSoundOff();
             }
             finally
             {
-                InstrumentManager.ExclusiveLockObject.ExitReadLock();
+                InstrumentManager.ExclusiveLockObject.ExitWriteLock();
             }
         }