diff --git a/Source/Core/Common/Src/VideoBackendBase.h b/Source/Core/Common/Src/VideoBackendBase.h
index 667a3d3a32..28c8f23246 100644
--- a/Source/Core/Common/Src/VideoBackendBase.h
+++ b/Source/Core/Common/Src/VideoBackendBase.h
@@ -140,6 +140,7 @@ class VideoBackendHardware : public VideoBackend
 {
 	void DoState(PointerWrap &p);
 	void RunLoop(bool enable);
+	bool Initialize(void *&) { InitializeShared(); return true; }
 
 	void EmuStateChange(EMUSTATE_CHANGE);
 
@@ -165,6 +166,9 @@ class VideoBackendHardware : public VideoBackend
 	readFn16  Video_PERead16();
 	writeFn16 Video_PEWrite16();
 	writeFn32 Video_PEWrite32();
+
+protected:
+	void InitializeShared();
 };
 
 #endif
diff --git a/Source/Core/Core/Src/Core.cpp b/Source/Core/Core/Src/Core.cpp
index c1f9cf4415..bd4267c074 100644
--- a/Source/Core/Core/Src/Core.cpp
+++ b/Source/Core/Core/Src/Core.cpp
@@ -346,6 +346,8 @@ void EmuThread()
 	DisplayMessage(cpu_info.Summarize(), 8000);
 	DisplayMessage(_CoreParameter.m_strFilename, 3000);
 
+	Movie::Init();
+
 	HW::Init();	
 
 	if (!g_video_backend->Initialize(g_pWindowHandle))
diff --git a/Source/Core/Core/Src/CoreTiming.cpp b/Source/Core/Core/Src/CoreTiming.cpp
index 979add358b..235593d679 100644
--- a/Source/Core/Core/Src/CoreTiming.cpp
+++ b/Source/Core/Core/Src/CoreTiming.cpp
@@ -133,6 +133,7 @@ void Init()
 
 void Shutdown()
 {
+	MoveEvents();
 	ClearPendingEvents();
 	UnregisterAllEvents();
 
diff --git a/Source/Core/Core/Src/HW/AudioInterface.cpp b/Source/Core/Core/Src/HW/AudioInterface.cpp
index 4f1fbb920f..40b0c620b3 100644
--- a/Source/Core/Core/Src/HW/AudioInterface.cpp
+++ b/Source/Core/Core/Src/HW/AudioInterface.cpp
@@ -153,6 +153,12 @@ void Init()
 	m_Volume.hex = 0;
 	m_SampleCounter	= 0;
 	m_InterruptTiming = 0;
+
+	g_LastCPUTime = 0;
+	g_CPUCyclesPerSample = 0xFFFFFFFFFFFULL;
+
+	g_AISSampleRate = 48000;
+	g_AIDSampleRate = 32000;
 }
 
 void Shutdown()
diff --git a/Source/Core/Core/Src/HW/GPFifo.cpp b/Source/Core/Core/Src/HW/GPFifo.cpp
index 486c757587..4d72317e0d 100644
--- a/Source/Core/Core/Src/HW/GPFifo.cpp
+++ b/Source/Core/Core/Src/HW/GPFifo.cpp
@@ -54,6 +54,7 @@ void DoState(PointerWrap &p)
 void Init()
 {
 	ResetGatherPipe();
+	memset(m_gatherPipe, 0, sizeof(m_gatherPipe));
 }
 
 bool IsEmpty()
diff --git a/Source/Core/Core/Src/HW/HW.cpp b/Source/Core/Core/Src/HW/HW.cpp
index ad5ecc404a..0ec08b7d97 100644
--- a/Source/Core/Core/Src/HW/HW.cpp
+++ b/Source/Core/Core/Src/HW/HW.cpp
@@ -43,6 +43,7 @@ namespace HW
 	void Init()
 	{
 		CoreTiming::Init();
+		SystemTimers::PreInit();
 
 		State::Init();
 
diff --git a/Source/Core/Core/Src/HW/SI.cpp b/Source/Core/Core/Src/HW/SI.cpp
index cd80c14daf..09697f4965 100644
--- a/Source/Core/Core/Src/HW/SI.cpp
+++ b/Source/Core/Core/Src/HW/SI.cpp
@@ -246,10 +246,8 @@ void Init()
 		g_Channel[i].m_InHi.Hex = 0;
 		g_Channel[i].m_InLo.Hex = 0;
 
-		if (Movie::IsUsingPad(i))
-			AddDevice(SIDEVICE_GC_CONTROLLER, i);
-		else if (Movie::IsRecordingInput() || Movie::IsPlayingInput())
-			AddDevice(SIDEVICE_NONE, i);
+		if (Movie::IsRecordingInput() || Movie::IsPlayingInput())
+			AddDevice(Movie::IsUsingPad(i) ? SIDEVICE_GC_CONTROLLER : SIDEVICE_NONE, i);
 		else
 			AddDevice(SConfig::GetInstance().m_SIDevice[i], i);
 	}
diff --git a/Source/Core/Core/Src/HW/SystemTimers.cpp b/Source/Core/Core/Src/HW/SystemTimers.cpp
index bfc2b61af6..b9f9fe0107 100644
--- a/Source/Core/Core/Src/HW/SystemTimers.cpp
+++ b/Source/Core/Core/Src/HW/SystemTimers.cpp
@@ -231,12 +231,19 @@ void PatchEngineCallback(u64 userdata, int cyclesLate)
 	CoreTiming::ScheduleEvent(VideoInterface::GetTicksPerFrame() - cyclesLate, et_PatchEngine);
 }
 
+// split from Init to break a circular dependency between VideoInterface::Init and SystemTimers::Init
+void PreInit()
+{
+	if (SConfig::GetInstance().m_LocalCoreStartupParameter.bWii)
+		CPU_CORE_CLOCK = 729000000u;
+	else
+		CPU_CORE_CLOCK = 486000000u;
+}
+
 void Init()
 {
 	if (SConfig::GetInstance().m_LocalCoreStartupParameter.bWii)
 	{
-		CPU_CORE_CLOCK = 729000000u;
-
 		if (!DSP::GetDSPEmulator()->IsLLE())
 			DSP_PERIOD = (int)(GetTicksPerSecond() * 0.003f);
 
@@ -253,8 +260,6 @@ void Init()
 	}
 	else
 	{
-		CPU_CORE_CLOCK = 486000000u;
-
 		if (!DSP::GetDSPEmulator()->IsLLE())
 			DSP_PERIOD = (int)(GetTicksPerSecond() * 0.005f);
 	}
diff --git a/Source/Core/Core/Src/HW/SystemTimers.h b/Source/Core/Core/Src/HW/SystemTimers.h
index ec8e425907..629593bc1d 100644
--- a/Source/Core/Core/Src/HW/SystemTimers.h
+++ b/Source/Core/Core/Src/HW/SystemTimers.h
@@ -24,6 +24,7 @@ namespace SystemTimers
 {
 
 u32 GetTicksPerSecond();
+void PreInit();
 void Init();
 void Shutdown();
 
diff --git a/Source/Core/Core/Src/HW/VideoInterface.cpp b/Source/Core/Core/Src/HW/VideoInterface.cpp
index 40b95f53f9..677f30921f 100644
--- a/Source/Core/Core/Src/HW/VideoInterface.cpp
+++ b/Source/Core/Core/Src/HW/VideoInterface.cpp
@@ -158,6 +158,29 @@ void Preset(bool _bNTSC)
 
 void Init()
 {
+	m_VerticalTimingRegister.Hex = 0;
+	m_DisplayControlRegister.Hex = 0;
+	m_HTiming0.Hex = 0;
+	m_HTiming1.Hex = 0;
+	m_VBlankTimingOdd.Hex = 0;
+	m_VBlankTimingEven.Hex = 0;
+	m_BurstBlankingOdd.Hex = 0;
+	m_BurstBlankingEven.Hex = 0;
+	m_XFBInfoTop.Hex = 0;
+	m_XFBInfoBottom.Hex = 0;
+	m_3DFBInfoTop.Hex = 0;
+	m_3DFBInfoBottom.Hex = 0;
+	m_VBeamPos = 0;
+	m_HBeamPos = 0;
+	m_HorizontalStepping.Hex = 0;
+	m_HorizontalScaling.Hex = 0;
+	m_UnkAARegister = 0;
+	m_Clock = 0;
+	m_DTVStatus.Hex = 0;
+	m_FBWidth = 0;
+	m_BorderHBlank.Hex = 0;
+	memset(&m_FilterCoefTables, 0, sizeof(m_FilterCoefTables));
+
 	fields = Core::g_CoreStartupParameter.bVBeam ? 1 : 2;
 
 	m_DTVStatus.ntsc_j = Core::g_CoreStartupParameter.bForceNTSCJ;
@@ -165,6 +188,9 @@ void Init()
 	for (int i = 0; i < 4; i++)
 		m_InterruptRegister[i].Hex = 0;
 
+	for (int i = 0; i < 2; i++)
+		m_LatchRegister[i].Hex = 0;
+
 	m_DisplayControlRegister.Hex = 0;
 	UpdateParameters();
 }
diff --git a/Source/Core/Core/Src/Movie.cpp b/Source/Core/Core/Src/Movie.cpp
index b478af4743..9c2fb02d64 100644
--- a/Source/Core/Core/Src/Movie.cpp
+++ b/Source/Core/Core/Src/Movie.cpp
@@ -105,6 +105,34 @@ void FrameUpdate()
 	g_bPolled = false;
 }
 
+// called when game is booting up, even if no movie is active,
+// but potentially after BeginRecordingInput or PlayInput has been called.
+void Init()
+{
+	g_bPolled = false;
+	g_bFrameStep = false;
+	g_bFrameStop = false;
+	g_frameSkipCounter = g_framesToSkip;
+	memset(&g_padState, 0, sizeof(g_padState));
+	for (int i = 0; i < 8; ++i)
+		g_InputDisplay[i].clear();
+
+	if (!IsPlayingInput() && !IsRecordingInput())
+	{
+		g_bRecordingFromSaveState = false;
+		g_rerecords = 0;
+		g_numPads = 0;
+		g_currentByte = 0;
+		g_currentFrame = 0;
+		g_currentLagCount = 0;
+		g_currentInputCount = 0;
+		// we don't clear these things because otherwise we can't resume playback if we load a movie state later
+		//g_totalFrames = g_totalBytes = 0;
+		//delete tmpInput;
+		//tmpInput = NULL;
+	}
+}
+
 void InputUpdate()
 {
 	g_currentInputCount++;
@@ -813,7 +841,7 @@ bool PlayWiimote(int wiimote, u8 *data, const WiimoteEmu::ReportFeatures& rptf,
 
 	if (size != sizeInMovie)
 	{
-		PanicAlertT("Fatal desync. Aborting playback. (Error in PlayWiimote: %u != %u, byte %d.)%s", sizeInMovie, size, g_currentByte, (g_numPads & 0xF)?" Try re-creating the recording with all GameCube controllers disabled.":"");
+		PanicAlertT("Fatal desync. Aborting playback. (Error in PlayWiimote: %u != %u, byte %u.)%s", (u32)sizeInMovie, (u32)size, (u32)g_currentByte, (g_numPads & 0xF)?" Try re-creating the recording with all GameCube controllers disabled (in Configure > Gamecube > Device Settings).":"");
 		EndPlayInput(!g_bReadOnly);
 		return false;
 	}
diff --git a/Source/Core/Core/Src/Movie.h b/Source/Core/Core/Src/Movie.h
index 9e01c48df1..16d0ba4997 100644
--- a/Source/Core/Core/Src/Movie.h
+++ b/Source/Core/Core/Src/Movie.h
@@ -105,6 +105,7 @@ struct DTMHeader {
 
 void FrameUpdate();
 void InputUpdate();
+void Init();
 
 void SetPolledDevice();
 
diff --git a/Source/Core/Core/Src/PowerPC/PPCCache.cpp b/Source/Core/Core/Src/PowerPC/PPCCache.cpp
index af40568813..704caa4a2c 100644
--- a/Source/Core/Core/Src/PowerPC/PPCCache.cpp
+++ b/Source/Core/Core/Src/PowerPC/PPCCache.cpp
@@ -80,6 +80,16 @@ namespace PowerPC
 			jit->GetBlockCache()->ClearSafe();
 	}
 
+	void InstructionCache::Init()
+	{
+		memset(data, 0, sizeof(data));
+		memset(tags, 0, sizeof(tags));
+		memset(way_from_valid, 0, sizeof(way_from_valid));
+		memset(way_from_plru, 0, sizeof(way_from_plru));
+		
+		Reset();
+	}
+
 	void InstructionCache::Invalidate(u32 addr)
 	{
 		if (!HID0.ICE)
diff --git a/Source/Core/Core/Src/PowerPC/PPCCache.h b/Source/Core/Core/Src/PowerPC/PPCCache.h
index c2e428946c..6d62720d43 100644
--- a/Source/Core/Core/Src/PowerPC/PPCCache.h
+++ b/Source/Core/Core/Src/PowerPC/PPCCache.h
@@ -50,9 +50,10 @@ namespace PowerPC
 #endif
 
 		InstructionCache();
-		void Reset();
 		u32 ReadInstruction(u32 addr);
 		void Invalidate(u32 addr);
+		void Init();
+		void Reset();
 	};
 
 }
diff --git a/Source/Core/Core/Src/PowerPC/PowerPC.cpp b/Source/Core/Core/Src/PowerPC/PowerPC.cpp
index 7e5d9ba763..2ae520faab 100644
--- a/Source/Core/Core/Src/PowerPC/PowerPC.cpp
+++ b/Source/Core/Core/Src/PowerPC/PowerPC.cpp
@@ -154,6 +154,17 @@ void Init(int cpu_core)
 	//but still - set any useful sse options here
 #endif
 
+	memset(ppcState.mojs, 0, sizeof(ppcState.mojs));
+	memset(ppcState.sr, 0, sizeof(ppcState.sr));
+	ppcState.DebugCount = 0;
+	ppcState.dtlb_last = 0;
+	ppcState.dtlb_last = 0;
+	memset(ppcState.dtlb_va, 0, sizeof(ppcState.dtlb_va));
+	memset(ppcState.dtlb_pa, 0, sizeof(ppcState.dtlb_pa));
+	ppcState.itlb_last = 0;
+	memset(ppcState.itlb_va, 0, sizeof(ppcState.itlb_va));
+	memset(ppcState.itlb_pa, 0, sizeof(ppcState.itlb_pa));
+
 	ResetRegisters();
 	PPCTables::InitTables(cpu_core);
 
@@ -197,7 +208,7 @@ void Init(int cpu_core)
 	}
 	state = CPU_STEPPING;
 
-	ppcState.iCache.Reset();
+	ppcState.iCache.Init();
 }
 
 void Shutdown()
diff --git a/Source/Core/VideoCommon/Src/CommandProcessor.cpp b/Source/Core/VideoCommon/Src/CommandProcessor.cpp
index ad05a9797e..67c8f411fa 100644
--- a/Source/Core/VideoCommon/Src/CommandProcessor.cpp
+++ b/Source/Core/VideoCommon/Src/CommandProcessor.cpp
@@ -109,6 +109,8 @@ void Init()
 
 	m_CPCtrlReg.Hex = 0;
 
+	m_CPClearReg.Hex = 0;
+
 	m_bboxleft = 0;
 	m_bboxtop  = 0;
 	m_bboxright = 640;
@@ -130,6 +132,11 @@ void Init()
 	interruptFinishWaiting = false;
 	interruptTokenWaiting = false;
 
+	bProcessFifoToLoWatermark = false;
+	bProcessFifoAllDistance = false;
+	isPossibleWaitingSetDrawDone = false;
+	OnOverflow = false;
+
     et_UpdateInterrupts = CoreTiming::RegisterEvent("UpdateInterrupts", UpdateInterrupts_Wrapper);
 }
 
diff --git a/Source/Core/VideoCommon/Src/MainBase.cpp b/Source/Core/VideoCommon/Src/MainBase.cpp
index 1fc8b15bec..af21ebbb94 100644
--- a/Source/Core/VideoCommon/Src/MainBase.cpp
+++ b/Source/Core/VideoCommon/Src/MainBase.cpp
@@ -171,6 +171,18 @@ u32 VideoBackendHardware::Video_AccessEFB(EFBAccessType type, u32 x, u32 y, u32
 
 static volatile u32 s_doStateRequested = false;
  
+void VideoBackendHardware::InitializeShared()
+{
+	VideoCommon_Init();
+
+	s_swapRequested = 0;
+	s_efbAccessRequested = 0;
+	s_FifoShuttingDown = 0;
+	memset((void*)&s_beginFieldArgs, 0, sizeof(s_beginFieldArgs));
+	memset(&s_accessEFBArgs, 0, sizeof(s_accessEFBArgs));
+	s_AccessEFBResult = 0;
+}
+
 static volatile struct
 {
 	unsigned char **ptr;
diff --git a/Source/Core/VideoCommon/Src/PixelEngine.cpp b/Source/Core/VideoCommon/Src/PixelEngine.cpp
index 90f1546ebd..456e0fb535 100644
--- a/Source/Core/VideoCommon/Src/PixelEngine.cpp
+++ b/Source/Core/VideoCommon/Src/PixelEngine.cpp
@@ -155,6 +155,16 @@ void SetFinish_OnMainThread(u64 userdata, int cyclesLate);
 void Init()
 {
 	m_Control.Hex = 0;
+	m_ZConf.Hex = 0;
+	m_AlphaConf.Hex = 0;
+	m_DstAlphaConf.Hex = 0;
+	m_AlphaModeConf.Hex = 0;
+	m_AlphaRead.Hex = 0;
+
+	g_bSignalTokenInterrupt = false;
+	g_bSignalFinishInterrupt = false;
+	interruptSetToken = false;
+	interruptSetFinish = false;
 
 	et_SetTokenOnMainThread = CoreTiming::RegisterEvent("SetToken", SetToken_OnMainThread);
 	et_SetFinishOnMainThread = CoreTiming::RegisterEvent("SetFinish", SetFinish_OnMainThread);
diff --git a/Source/Core/VideoCommon/Src/VertexShaderManager.cpp b/Source/Core/VideoCommon/Src/VertexShaderManager.cpp
index a18829fde2..d7d25c5c85 100644
--- a/Source/Core/VideoCommon/Src/VertexShaderManager.cpp
+++ b/Source/Core/VideoCommon/Src/VertexShaderManager.cpp
@@ -150,6 +150,12 @@ void VertexShaderManager::Init()
 	memset(&xfregs, 0, sizeof(xfregs));
 	memset(xfmem, 0, sizeof(xfmem));
 	ResetView();
+
+	// TODO: should these go inside ResetView()?
+	Matrix44::LoadIdentity(s_viewportCorrection);
+	memset(g_fProjectionMatrix, 0, sizeof(g_fProjectionMatrix));
+	for (int i = 0; i < 4; ++i)
+		g_fProjectionMatrix[i*5] = 1.0f;
 }
 
 void VertexShaderManager::Shutdown()
diff --git a/Source/Core/VideoCommon/Src/VideoState.cpp b/Source/Core/VideoCommon/Src/VideoState.cpp
index 1a23410fcc..b1c1ed0889 100644
--- a/Source/Core/VideoCommon/Src/VideoState.cpp
+++ b/Source/Core/VideoCommon/Src/VideoState.cpp
@@ -60,3 +60,14 @@ void VideoCommon_RunLoop(bool enable)
 {
 	EmulatorState(enable);
 }
+
+void VideoCommon_Init()
+{
+	memset(arraybases, 0, sizeof(arraybases));
+	memset(arraystrides, 0, sizeof(arraystrides));
+	memset(&MatrixIndexA, 0, sizeof(MatrixIndexA));
+	memset(&MatrixIndexB, 0, sizeof(MatrixIndexB));
+	memset(&g_VtxDesc, 0, sizeof(g_VtxDesc));
+	memset(g_VtxAttr, 0, sizeof(g_VtxAttr));
+	memset(texMem, 0, TMEM_SIZE);
+}
diff --git a/Source/Core/VideoCommon/Src/VideoState.h b/Source/Core/VideoCommon/Src/VideoState.h
index b29cf17257..e596d9ad05 100644
--- a/Source/Core/VideoCommon/Src/VideoState.h
+++ b/Source/Core/VideoCommon/Src/VideoState.h
@@ -23,5 +23,6 @@
 
 void VideoCommon_DoState(PointerWrap &p);
 void VideoCommon_RunLoop(bool enable);
+void VideoCommon_Init();
 
 #endif // _VIDEOSTATE_H
diff --git a/Source/Plugins/Plugin_VideoDX11/Src/main.cpp b/Source/Plugins/Plugin_VideoDX11/Src/main.cpp
index f6fe1127a3..ba3a67108b 100644
--- a/Source/Plugins/Plugin_VideoDX11/Src/main.cpp
+++ b/Source/Plugins/Plugin_VideoDX11/Src/main.cpp
@@ -150,6 +150,7 @@ void VideoBackend::ShowConfig(void *_hParent)
 
 bool VideoBackend::Initialize(void *&window_handle)
 {
+	InitializeShared();
 	InitBackendInfo();
 
 	frameCount = 0;
diff --git a/Source/Plugins/Plugin_VideoDX9/Src/main.cpp b/Source/Plugins/Plugin_VideoDX9/Src/main.cpp
index 727fa73a00..6c52219f97 100644
--- a/Source/Plugins/Plugin_VideoDX9/Src/main.cpp
+++ b/Source/Plugins/Plugin_VideoDX9/Src/main.cpp
@@ -132,6 +132,7 @@ void VideoBackend::ShowConfig(void* parent)
 
 bool VideoBackend::Initialize(void *&window_handle)
 {
+	InitializeShared();
 	InitBackendInfo();
 
 	frameCount = 0;
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/main.cpp b/Source/Plugins/Plugin_VideoOGL/Src/main.cpp
index a25f9cd839..251512fe6b 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/main.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/main.cpp
@@ -155,6 +155,7 @@ void VideoBackend::ShowConfig(void *_hParent)
 
 bool VideoBackend::Initialize(void *&window_handle)
 {
+	InitializeShared();
 	InitBackendInfo();
 
 	frameCount = 0;