Allow clock throttle to take over for audio / vsync throttles during fast forward or rewind for proper speed control.

BizHawk.Client.Common/Global.cs

@@ -18,9 +18,9 @@ namespace BizHawk.Client.Common
 		public static MovieSession MovieSession = new MovieSession();
 
 		/// <summary>
-		/// whether throttling is force-disabled by use of fast forward
+		/// Used to disable secondary throttling (e.g. vsync, audio) for unthrottled modes or when the primary (clock) throttle is taking over (e.g. during fast forward/rewind).
 		/// </summary>
-		public static bool ForceNoThrottle;
+		public static bool DisableSecondaryThrottling;
 
 		public static Controller NullControls;
 		public static AutofireController AutofireNullControls;

BizHawk.Client.EmuHawk/DisplayManager/DisplayManager.cs

@@ -633,7 +633,7 @@ TESTEROO:
 				//maybe the user wants vsync, but not vsync throttle.
 				//this makes sense... but we dont have the infrastructure to support it now (we'd have to enable triple buffering or something like that)
 				//so what we're gonna do is disable vsync no matter what if throttling is off, and maybe nobody will notice.
-				if (Global.ForceNoThrottle)
+				if (Global.DisableSecondaryThrottling)
 					vsync = false;
 
 				if (LastVsyncSetting != vsync || LastVsyncSettingGraphicsControl != presentationPanel.GraphicsControl)

BizHawk.Client.EmuHawk/DisplayManager/OSDManager.cs

@@ -158,8 +158,6 @@ namespace BizHawk.Client.EmuHawk
 		}
 
 		public void DrawMessages(IBlitter g)
-		{
-			if (!Global.ClientControls["MaxTurbo"])
 		{
 			messages.RemoveAll(m => DateTime.Now > m.ExpireAt);
 			int line = 1;
@@ -220,7 +218,6 @@ namespace BizHawk.Client.EmuHawk
 				}
 			}
 		}
-		}
 
 		public string InputStrMovie()
 		{

BizHawk.Client.EmuHawk/MainForm.cs

@@ -1651,30 +1651,26 @@ namespace BizHawk.Client.EmuHawk
 
 		private void SyncThrottle()
 		{
-			//TODO - this is a bit confusing. theres a difference between signal_unthrottle and Global.ForceNoThrottle. Isn't that kind of weird?
-			//someone should evaluate these different modes and clean that up.
-
 			//TODO - did we change 'unthrottled' nomenclature to turbo? is turbo defined as 'temporarily disable throttle entirely'?
 
 			var rewind = Global.Rewinder.RewindActive && (Global.ClientControls["Rewind"] || PressRewind);
-			var fastforward = Global.ClientControls["Fast Forward"] || FastForward;
+			var fastForward = Global.ClientControls["Fast Forward"] || FastForward;
-			var superfastforward = IsTurboing;
+			var superFastForward = IsTurboing;
 
-			int speedPercent = fastforward ? Global.Config.SpeedPercentAlternate : Global.Config.SpeedPercent;
+			int speedPercent = fastForward ? Global.Config.SpeedPercentAlternate : Global.Config.SpeedPercent;
 
 			if (rewind)
 			{
 				speedPercent = Math.Max(speedPercent / Global.Rewinder.RewindFrequency, 5);
 			}
 
-			//zero 11-oct-2014 - i think this is more correct..
+			Global.DisableSecondaryThrottling = _unthrottled || fastForward || superFastForward || rewind;
-			//Global.ForceNoThrottle = _unthrottled || fastforward;
-			Global.ForceNoThrottle = _unthrottled || fastforward || superfastforward;
 
 			// realtime throttle is never going to be so exact that using a double here is wrong
 			_throttle.SetCoreFps(Global.Emulator.CoreComm.VsyncRate);
 			_throttle.signal_paused = EmulatorPaused;
-			_throttle.signal_unthrottle = _unthrottled || superfastforward;
+			_throttle.signal_unthrottle = _unthrottled || superFastForward;
+			_throttle.signal_overrideSecondaryThrottle = (fastForward || rewind) && (Global.Config.SoundThrottle || Global.Config.VSyncThrottle || Global.Config.VSync);
 			_throttle.SetSpeedPercent(speedPercent);
 		}
 

BizHawk.Client.EmuHawk/Sound.cs

@@ -209,7 +209,7 @@ namespace BizHawk.Client.EmuHawk
 
 				samplesProvided = 2 * nsampgot;
 
-				if (!Global.ForceNoThrottle)
+				if (!Global.DisableSecondaryThrottling)
 					while (samplesNeeded < samplesProvided)
 					{
 						System.Threading.Thread.Sleep((samplesProvided - samplesNeeded) / 88); // let audio clock control sleep time

BizHawk.Client.EmuHawk/Throttle.cs

@@ -21,50 +21,31 @@ namespace BizHawk.Client.EmuHawk
 		public bool signal_frameAdvance;
 		public bool signal_unthrottle;
 		public bool signal_continuousframeAdvancing; //continuousframeAdvancing
+		public bool signal_overrideSecondaryThrottle;
 
 		public int cfg_frameskiprate
 		{
 			get
-			{
-				if (Global.ClientControls["MaxTurbo"])
-				{
-					return 20;
-				}
-				else
 			{
 				return Global.Config.FrameSkip;
 			}
 		}
-		}
+
 		public bool cfg_frameLimit
 		{
 			get
-			{
-				if (Global.ClientControls["MaxTurbo"])
-				{
-					return false;
-				}
-				else
 			{
 				return Global.Config.ClockThrottle;
 			}
 		}
-		}
 
 		public bool cfg_autoframeskipenab
 		{
 			get
-			{
-				if (Global.ClientControls["MaxTurbo"])
-				{
-					return false;
-				}
-				else
 			{
 				return Global.Config.AutoMinimizeSkipping;
 			}
 		}
-		}
 
 		public bool cfg_lowcpumode
 		{
@@ -116,7 +97,7 @@ namespace BizHawk.Client.EmuHawk
 				if (framestoskip < 1)
 					framestoskip += ffSkipRate;
 			}
-			else if ((signal_paused || /*autoframeskipenab && frameskiprate ||*/ cfg_frameLimit) && allowSleep)
+			else if ((signal_paused || /*autoframeskipenab && frameskiprate ||*/ cfg_frameLimit || signal_overrideSecondaryThrottle) && allowSleep)
 			{
 				SpeedThrottle(signal_paused);
 			}
@@ -160,7 +141,6 @@ namespace BizHawk.Client.EmuHawk
 				return (ulong)Environment.TickCount;
 		}
 
-
 #if WINDOWS
 		[DllImport("winmm.dll", EntryPoint = "timeBeginPeriod")]
 		static extern uint timeBeginPeriod(uint uMilliseconds);
@@ -333,7 +313,6 @@ namespace BizHawk.Client.EmuHawk
 			return rv;
 		}
 
-
 		void SpeedThrottle(bool paused)
 		{
 			AutoFrameSkip_BeforeThrottle();