Gambatte: implement TotalExecutedCycles

BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/Gambatte.IDebuggable.cs

@@ -44,19 +44,35 @@ namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
 			throw new NotImplementedException();
 		}
 
-		[FeatureNotImplemented]
 		public int TotalExecutedCycles
 		{
-			get { throw new NotImplementedException(); }
+			get { return (int)Math.Max(_cycleCount, callbackCycleCount); }
 		}
 
+		private MemoryCallbackSystem _memorycallbacks = new MemoryCallbackSystem(new[] { "System Bus" });
 		public IMemoryCallbackSystem MemoryCallbacks => _memorycallbacks;
 
 		private LibGambatte.MemoryCallback _readcb;
 		private LibGambatte.MemoryCallback _writecb;
 		private LibGambatte.MemoryCallback _execcb;
 
-		private MemoryCallbackSystem _memorycallbacks = new MemoryCallbackSystem(new[] { "System Bus" });
+		private void ReadCallback(uint address, ulong cycleOffset)
+		{
+			callbackCycleCount = _cycleCount + cycleOffset;
+			MemoryCallbacks.CallReads(address, "System Bus");
+		}
+
+		private void WriteCallback(uint address, ulong cycleOffset)
+		{
+			callbackCycleCount = _cycleCount + cycleOffset;
+			MemoryCallbacks.CallWrites(address, "System Bus");
+		}
+
+		private void ExecCallback(uint address, ulong cycleOffset)
+		{
+			callbackCycleCount = _cycleCount + cycleOffset;
+			MemoryCallbacks.CallExecutes(address, "System Bus");
+		}
 
 		/// <summary>
 		/// for use in dual core
@@ -68,9 +84,9 @@ namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
 
 		private void InitMemoryCallbacks()
 		{
-			_readcb = addr => MemoryCallbacks.CallReads(addr, "System Bus");
+			_readcb = new LibGambatte.MemoryCallback(ReadCallback);
-			_writecb = addr => MemoryCallbacks.CallWrites(addr, "System Bus");
+			_writecb = new LibGambatte.MemoryCallback(WriteCallback);
-			_execcb = addr => MemoryCallbacks.CallExecutes(addr, "System Bus");
+			_execcb = new LibGambatte.MemoryCallback(ExecCallback);
 			_memorycallbacks.ActiveChanged += RefreshMemoryCallbacks;
 		}
 

BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/Gambatte.cs

@@ -244,6 +244,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
 		/// total cycles actually executed
 		/// </summary>
 		private ulong _cycleCount = 0;
+		private ulong callbackCycleCount = 0;
 
 		/// <summary>
 		/// number of extra cycles we overran in the last frame

BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/LibGambatte.cs

@@ -190,7 +190,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
 		/// </summary>
 		/// <param name="address">the address which the cpu is read\writing</param>
 		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
-		public delegate void MemoryCallback(uint address);
+		public delegate void MemoryCallback(uint address, ulong cycleOffset);
 
 		/// <summary>
 		/// type of the CDLogger callback

libgambatte/include/gambatte.h

@@ -28,6 +28,7 @@
 namespace gambatte {
 enum { BG_PALETTE = 0, SP1_PALETTE = 1, SP2_PALETTE = 2 };
 
+typedef void (*MemoryCallback)(int32_t address, int64_t cycleOffset);
 typedef void (*CDCallback)(int32_t addr, int32_t addrtype, int32_t flags);
 
 enum eCDLog_AddrType
@@ -105,9 +106,9 @@ public:
 	/** Sets the callback used for getting input state. */
 	void setInputGetter(unsigned (*getInput)());
 	
-	void setReadCallback(void (*callback)(unsigned));
+	void setReadCallback(MemoryCallback);
-	void setWriteCallback(void (*callback)(unsigned));
+	void setWriteCallback(MemoryCallback);
-	void setExecCallback(void (*callback)(unsigned));
+	void setExecCallback(MemoryCallback);
 	void setCDCallback(CDCallback);
 	void setTraceCallback(void (*callback)(void *));
 	void setScanlineCallback(void (*callback)(), int sl);

libgambatte/src/cinterface.cpp

@@ -85,17 +85,17 @@ GBEXPORT void gambatte_setinputgetter(GB *g, unsigned (*getinput)(void))
 	g->setInputGetter(getinput);
 }
 
-GBEXPORT void gambatte_setreadcallback(GB *g, void (*callback)(unsigned))
+GBEXPORT void gambatte_setreadcallback(GB *g, MemoryCallback callback)
 {
 	g->setReadCallback(callback);
 }
 
-GBEXPORT void gambatte_setwritecallback(GB *g, void (*callback)(unsigned))
+GBEXPORT void gambatte_setwritecallback(GB *g, MemoryCallback callback)
 {
 	g->setWriteCallback(callback);
 }
 
-GBEXPORT void gambatte_setexeccallback(GB *g, void (*callback)(unsigned))
+GBEXPORT void gambatte_setexeccallback(GB *g, MemoryCallback callback)
 {
 	g->setExecCallback(callback);
 }

libgambatte/src/cpu.cpp

@@ -45,6 +45,7 @@ CPU::CPU()
 }
 
 long CPU::runFor(const unsigned long cycles) {
+	memory.setBasetime(cycleCounter_);
 	process(cycles/* << memory.isDoubleSpeed()*/);
 	
 	const long csb = memory.cyclesSinceBlit(cycleCounter_);

libgambatte/src/cpu.h

@@ -72,15 +72,15 @@ public:
 		memory.setInputGetter(getInput);
 	}
 
-	void setReadCallback(void (*callback)(unsigned)) {
+	void setReadCallback(MemoryCallback callback) {
 		memory.setReadCallback(callback);
 	}
 
-	void setWriteCallback(void (*callback)(unsigned)) {
+	void setWriteCallback(MemoryCallback callback) {
 		memory.setWriteCallback(callback);
 	}
 
-	void setExecCallback(void (*callback)(unsigned)) {
+	void setExecCallback(MemoryCallback callback) {
 		memory.setExecCallback(callback);
 	}
 

libgambatte/src/gambatte.cpp

@@ -108,15 +108,15 @@ void GB::setInputGetter(unsigned (*getInput)()) {
 	p_->cpu.setInputGetter(getInput);
 }
 
-void GB::setReadCallback(void (*callback)(unsigned)) {
+void GB::setReadCallback(MemoryCallback callback) {
 	p_->cpu.setReadCallback(callback);
 }
 
-void GB::setWriteCallback(void (*callback)(unsigned)) {
+void GB::setWriteCallback(MemoryCallback callback) {
 	p_->cpu.setWriteCallback(callback);
 }
 
-void GB::setExecCallback(void (*callback)(unsigned)) {
+void GB::setExecCallback(MemoryCallback callback) {
 	p_->cpu.setExecCallback(callback);
 }
 

libgambatte/src/memory.h

@@ -44,10 +44,11 @@ class Memory {
 	bool gbIsCgb_;
 	unsigned short &SP;
 	unsigned short &PC;
+	unsigned long basetime;
 
-	void (*readCallback)(unsigned);
+	MemoryCallback readCallback;
-	void (*writeCallback)(unsigned);
+	MemoryCallback writeCallback;
-	void (*execCallback)(unsigned);
+	MemoryCallback execCallback;
 	CDCallback cdCallback;
 	void(*linkCallback)();
 
@@ -134,6 +135,8 @@ public:
 	void di() { intreq.di(); }
 
 	unsigned ff_read(const unsigned P, const unsigned long cycleCounter) {
+		if (readCallback)
+			readCallback(P, (cycleCounter - basetime) >> 1);
 		return P < 0xFF80 ? nontrivial_ff_read(P, cycleCounter) : ioamhram[P - 0xFE00];
 	}
 
@@ -206,7 +209,7 @@ public:
 
 	unsigned read(const unsigned P, const unsigned long cycleCounter) {
 		if (readCallback)
-			readCallback(P);
+			readCallback(P, (cycleCounter - basetime) >> 1);
 		if(cdCallback)
 		{
 			CDMapResult map = CDMap(P);
@@ -221,7 +224,7 @@ public:
 
 	unsigned read_excb(const unsigned P, const unsigned long cycleCounter, bool first) {
 		if (execCallback)
-			execCallback(P);
+			execCallback(P, (cycleCounter - basetime) >> 1);
 		if(cdCallback)
 		{
 			CDMapResult map = CDMap(P);
@@ -254,7 +257,7 @@ public:
 		} else
 			nontrivial_write(P, data, cycleCounter);
 		if (writeCallback)
-			writeCallback(P);
+			writeCallback(P, (cycleCounter - basetime) >> 1);
 		if(cdCallback)
 		{
 			CDMapResult map = CDMap(P);
@@ -268,6 +271,8 @@ public:
 			ioamhram[P - 0xFE00] = data;
 		} else
 			nontrivial_ff_write(P, data, cycleCounter);
+		if (writeCallback)
+			writeCallback(P, (cycleCounter - basetime) >> 1);
 		if(cdCallback)
 		{
 			CDMapResult map = CDMap(P);
@@ -285,13 +290,13 @@ public:
 		this->getInput = getInput;
 	}
 
-	void setReadCallback(void (*callback)(unsigned)) {
+	void setReadCallback(MemoryCallback callback) {
 		this->readCallback = callback;
 	}
-	void setWriteCallback(void (*callback)(unsigned)) {
+	void setWriteCallback(MemoryCallback callback) {
 		this->writeCallback = callback;
 	}
-	void setExecCallback(void (*callback)(unsigned)) {
+	void setExecCallback(MemoryCallback callback) {
 		this->execCallback = callback;
 	}
 	void setCDCallback(CDCallback cdc) {
@@ -310,6 +315,7 @@ public:
 		this->linkCallback = callback;
 	}
 
+	void setBasetime(unsigned long cc) { basetime = cc; }
 	void setEndtime(unsigned long cc, unsigned long inc);
 	
 	void setSoundBuffer(uint_least32_t *const buf) { sound.setBuffer(buf); }