n64: screw things up some more. use a semaphore to handle stoppage in r4300 interrupt. blah. it's faster

BizHawk.Emulation/Consoles/Nintendo/N64/N64.cs

@@ -360,22 +360,26 @@ namespace BizHawk.Emulation.Consoles.Nintendo.N64
 		VICallback m64pVICallback;
 		public void FrameComplete()
 		{
-			uint s = (uint)AudGetAudioRate();
-			if (s != m64pSamplingRate)
+			if (resampler != null)
 			{
-				m64pSamplingRate = s;
-				resampler.ChangeRate(s, 44100, s, 44100);
-				//Console.WriteLine("N64 ARate Change {0}", s);
-			}
+				// the way i've fubared up the core, a first framecomplete callback happens in init, before everything is set up
+				uint s = (uint)AudGetAudioRate();
+				if (s != m64pSamplingRate)
+				{
+					m64pSamplingRate = s;
+					resampler.ChangeRate(s, 44100, s, 44100);
+					//Console.WriteLine("N64 ARate Change {0}", s);
+				}
 
-			int m64pAudioBufferSize = AudGetBufferSize();
-			if (m64pAudioBuffer.Length < m64pAudioBufferSize)
-				m64pAudioBuffer = new short[m64pAudioBufferSize];
+				int m64pAudioBufferSize = AudGetBufferSize();
+				if (m64pAudioBuffer.Length < m64pAudioBufferSize)
+					m64pAudioBuffer = new short[m64pAudioBufferSize];
 
-			if (m64pAudioBufferSize > 0)
-			{
-				AudReadAudioBuffer(m64pAudioBuffer);
-				resampler.EnqueueSamples(m64pAudioBuffer, m64pAudioBufferSize / 2);
+				if (m64pAudioBufferSize > 0)
+				{
+					AudReadAudioBuffer(m64pAudioBuffer);
+					resampler.EnqueueSamples(m64pAudioBuffer, m64pAudioBufferSize / 2);
+				}
 			}
 			m64pFrameComplete = true;
 		}
@@ -487,10 +491,14 @@ namespace BizHawk.Emulation.Consoles.Nintendo.N64
 			m64pEmulator.Start();
 
 			int state = -1;
+			/*
 			do
 			{
 				m64pCoreDoCommandRefInt(m64p_command.M64CMD_CORE_STATE_QUERY, 1, ref state);
 			} while (state != (int)m64p_emu_state.M64EMU_PAUSED);
+			*/
+			m64pFrameComplete = false;
+			while (!m64pFrameComplete) { }
 
 			
 			m64pSamplingRate = (uint)AudGetAudioRate();

libmupen64plus/mupen64plus-core/src/main/main.c

@@ -289,11 +289,13 @@ static void main_set_speedlimiter(int enable)
 
 static int main_is_paused(void)
 {
-    return (g_EmulatorRunning && rompause);
+    return (g_EmulatorRunning);// && rompause);
 }
 
 void main_toggle_pause(void)
 {
+	MessageBox(NULL, "This wasn't supposed to happen!", "Call Spooky", 0);
+	/*
     if (!g_EmulatorRunning)
         return;
 
@@ -321,12 +323,14 @@ void main_toggle_pause(void)
 
     rompause = !rompause;
     l_FrameAdvance = 0;
+	*/
 }
 
 void main_advance_one(void)
 {
     l_FrameAdvance = 1;
-    rompause = 0;
+    //rompause = 0;
+	ReleaseSemaphore(rompausesem, 1, NULL);
     StateChanged(M64CORE_EMU_STATE, M64EMU_RUNNING);
 }
 
@@ -413,8 +417,8 @@ m64p_error main_core_state_query(m64p_core_param param, int *rval)
         case M64CORE_EMU_STATE:
             if (!g_EmulatorRunning)
                 *rval = M64EMU_STOPPED;
-            else if (rompause)
-                *rval = M64EMU_PAUSED;
+            //else if (rompause)
+            //    *rval = M64EMU_PAUSED;
             else
                 *rval = M64EMU_RUNNING;
             break;
@@ -667,14 +671,14 @@ void new_vi(void)
     double VILimitMilliseconds = 1000.0 / ROM_PARAMS.vilimit;
     double AdjustedLimit = VILimitMilliseconds * 100.0 / l_SpeedFactor;  // adjust for selected emulator speed
     int time;
-
+	
     start_section(IDLE_SECTION);
     VI_Counter++;
 
 #ifdef DBG
     if(g_DebuggerActive) DebuggerCallback(DEBUG_UI_VI, 0);
 #endif
-
+	/*
     if(LastFPSTime == 0)
     {
         LastFPSTime = CounterTime = SDL_GetTicks();
@@ -703,12 +707,13 @@ void new_vi(void)
     }
     
     LastFPSTime = CurrentFPSTime ;
+	*/
     end_section(IDLE_SECTION);
 	if (g_VICallback != NULL)
         (*g_VICallback)();
 
     if (l_FrameAdvance) {
-        rompause = 1;
+        //rompause = 1;
         l_FrameAdvance = 0;
         StateChanged(M64CORE_EMU_STATE, M64EMU_PAUSED);
     }
@@ -838,12 +843,13 @@ void main_stop(void)
         osd_delete_message(l_msgVol);
         l_msgVol = NULL;
     }
-    if (rompause)
-    {
-        rompause = 0;
+	stop = 1;
+    //if (rompause)
+    //{
+    //    rompause = 0;
+		ReleaseSemaphore(rompausesem, 1, NULL);
         StateChanged(M64CORE_EMU_STATE, M64EMU_RUNNING);
-    }
-    stop = 1;
+    //}    
 #ifdef DBG
     if(g_DebuggerActive)
     {

libmupen64plus/mupen64plus-core/src/r4300/interupt.c

@@ -388,21 +388,23 @@ void gen_interupt(void)
             refresh_stat();
 
             // if paused, poll for input events
-            if(rompause)
-            {
+            //if(rompause)
+            //{
                 osd_render();  // draw Paused message in case gfx.updateScreen didn't do it
                 VidExt_GL_SwapBuffers();
-                while(rompause)
-                {
-                    SDL_Delay(10);
+            //    while(rompause)
+            //    {
+                    //SDL_Delay(10);
+
                     SDL_PumpEvents();
 #ifdef WITH_LIRC
                     lircCheckInput();
 #endif //WITH_LIRC
-                }
-            }
+            //    }
+            //}
 
             new_vi();
+			WaitForSingleObject(rompausesem, INFINITE);
             if (vi_register.vi_v_sync == 0) vi_register.vi_delay = 500000;
             else vi_register.vi_delay = ((vi_register.vi_v_sync + 1)*1500);
             next_vi += vi_register.vi_delay;

libmupen64plus/mupen64plus-core/src/r4300/r4300.c

@@ -45,7 +45,8 @@
 
 unsigned int r4300emu = 0;
 int no_compiled_jump = 0;
-int llbit, rompause;
+int llbit; //, rompause;
+HANDLE rompausesem;
 #if NEW_DYNAREC != NEW_DYNAREC_ARM
 int stop;
 long long int reg[32], hi, lo;
@@ -985,7 +986,8 @@ void r4300_execute(void)
     debug_count = 0;
     delay_slot=0;
     stop = 0;
-    rompause = 1;
+    //rompause = 1;
+	rompausesem = CreateSemaphore(NULL, 0, 1, NULL);
 
     /* clear instruction counters */
 #if defined(COUNT_INSTR)

libmupen64plus/mupen64plus-core/src/r4300/r4300.h

@@ -22,6 +22,9 @@
 #ifndef R4300_H
 #define R4300_H
 
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+
 #include "recomp.h"
 #include "memory/tlb.h"
 
@@ -29,7 +32,8 @@ extern precomp_instr *PC;
 
 extern precomp_block *blocks[0x100000], *actual;
 
-extern int stop, llbit, rompause;
+extern int stop, llbit; //, rompause;
+extern HANDLE rompausesem;
 extern long long int reg[32], hi, lo;
 extern long long int local_rs;
 extern unsigned int reg_cop0[32];