Play-/Source/PS2VM.cpp

#include <stdio.h>
#include <exception>
#include <boost/filesystem.hpp>
#include <memory>
#include <fenv.h>
#include "make_unique.h"
#include "PS2VM.h"
#include "PS2VM_Preferences.h"
#include "ee/PS2OS.h"
#include "Ps2Const.h"
#include "iop/Iop_SifManPs2.h"
#include "StdStream.h"
#include "GZipStream.h"
#include "MemoryStateFile.h"
#include "zip/ZipArchiveWriter.h"
#include "zip/ZipArchiveReader.h"
#include "xml/Node.h"
#include "xml/Writer.h"
#include "xml/Parser.h"
#include "AppConfig.h"
#include "PathUtils.h"
#include "iop/IopBios.h"
#include "iop/DirectoryDevice.h"
#include "iop/IsoDevice.h"
#include "Log.h"
#include "ISO9660/BlockProvider.h"
#include "DiskUtils.h"

#define LOG_NAME		("ps2vm")

#define PREF_PS2_HOST_DIRECTORY_DEFAULT		("vfs/host")
#define PREF_PS2_MC0_DIRECTORY_DEFAULT		("vfs/mc0")
#define PREF_PS2_MC1_DIRECTORY_DEFAULT		("vfs/mc1")

#define FRAME_TICKS			(PS2::EE_CLOCK_FREQ / 60)
#define ONSCREEN_TICKS		(FRAME_TICKS * 9 / 10)
#define VBLANK_TICKS		(FRAME_TICKS / 10)

#define SPU_UPDATE_TICKS	(PS2::IOP_CLOCK_OVER_FREQ / 1000)

namespace filesystem = boost::filesystem;

CPS2VM::CPS2VM()
: m_nStatus(PAUSED)
, m_nEnd(false)
, m_pad(NULL)
, m_singleStepEe(false)
, m_singleStepIop(false)
, m_singleStepVu0(false)
, m_singleStepVu1(false)
, m_vblankTicks(0)
, m_inVblank(false)
, m_eeExecutionTicks(0)
, m_iopExecutionTicks(0)
, m_spuUpdateTicks(SPU_UPDATE_TICKS)
, m_eeProfilerZone(CProfiler::GetInstance().RegisterZone("EE"))
, m_iopProfilerZone(CProfiler::GetInstance().RegisterZone("IOP"))
, m_spuProfilerZone(CProfiler::GetInstance().RegisterZone("SPU"))
, m_gsSyncProfilerZone(CProfiler::GetInstance().RegisterZone("GSSYNC"))
, m_otherProfilerZone(CProfiler::GetInstance().RegisterZone("OTHER"))
{
	static const char* basicDirectorySettings[] =
	{
		PREF_PS2_HOST_DIRECTORY, PREF_PS2_HOST_DIRECTORY_DEFAULT,
		PREF_PS2_MC0_DIRECTORY, PREF_PS2_MC0_DIRECTORY_DEFAULT,
		PREF_PS2_MC1_DIRECTORY, PREF_PS2_MC1_DIRECTORY_DEFAULT,
		NULL, NULL
	};

	for(unsigned int i = 0; basicDirectorySettings[i] != NULL; i += 2)
	{
		const char* setting = basicDirectorySettings[i + 0];
		const char* path = basicDirectorySettings[i + 1];

		Framework::CConfig::PathType absolutePath = CAppConfig::GetBasePath() / path;
		Framework::PathUtils::EnsurePathExists(absolutePath);
		//TODO: We ought to add a function to write a "path" in the settings. Since it can be wchar_t or char.
		CAppConfig::GetInstance().RegisterPreferenceString(setting, absolutePath.string().c_str());
	}
	
	m_iop = std::make_unique<Iop::CSubSystem>(true);
	m_iopOs = std::make_shared<CIopBios>(m_iop->m_cpu, m_iop->m_ram, PS2::IOP_RAM_SIZE, m_iop->m_scratchPad);

	m_ee = std::make_unique<Ee::CSubSystem>(m_iop->m_ram, *m_iopOs);
	m_ee->m_os->OnRequestLoadExecutable.connect(boost::bind(&CPS2VM::ReloadExecutable, this, _1, _2));
}

CPS2VM::~CPS2VM()
{
	{
		//Big hack to force deletion of the IopBios
		m_iop->SetBios(Iop::BiosBasePtr());
		m_iopOs.reset();
	}
}

//////////////////////////////////////////////////
//Various Message Functions
//////////////////////////////////////////////////

void CPS2VM::CreateGSHandler(const CGSHandler::FactoryFunction& factoryFunction)
{
	if(m_ee->m_gs != nullptr) return;
	m_mailBox.SendCall([this, factoryFunction] () { CreateGsHandlerImpl(factoryFunction); }, true);
}

CGSHandler* CPS2VM::GetGSHandler()
{
	return m_ee->m_gs;
}

void CPS2VM::DestroyGSHandler()
{
	if(m_ee->m_gs == nullptr) return;
	m_mailBox.SendCall([this] () { DestroyGsHandlerImpl(); }, true);
}

void CPS2VM::CreatePadHandler(const CPadHandler::FactoryFunction& factoryFunction)
{
	if(m_pad != nullptr) return;
	m_mailBox.SendCall([this, factoryFunction] () { CreatePadHandlerImpl(factoryFunction); }, true);
}

CPadHandler* CPS2VM::GetPadHandler()
{
	return m_pad;
}

void CPS2VM::DestroyPadHandler()
{
	if(m_pad == nullptr) return;
	m_mailBox.SendCall([this] () { DestroyPadHandlerImpl(); }, true);
}

void CPS2VM::CreateSoundHandler(const CSoundHandler::FactoryFunction& factoryFunction)
{
	if(m_soundHandler != nullptr) return;
	m_mailBox.SendCall([this, factoryFunction] () { CreateSoundHandlerImpl(factoryFunction); }, true);
}

void CPS2VM::DestroySoundHandler()
{
	if(m_soundHandler == nullptr) return;
	m_mailBox.SendCall([this] () { DestroySoundHandlerImpl(); }, true);
}

CVirtualMachine::STATUS CPS2VM::GetStatus() const
{
	return m_nStatus;
}

void CPS2VM::StepEe()
{
	if(GetStatus() == RUNNING) return;
	m_singleStepEe = true;
	m_mailBox.SendCall(std::bind(&CPS2VM::ResumeImpl, this), true);
}

void CPS2VM::StepIop()
{
	if(GetStatus() == RUNNING) return;
	m_singleStepIop = true;
	m_mailBox.SendCall(std::bind(&CPS2VM::ResumeImpl, this), true);
}

void CPS2VM::StepVu0()
{
	if(GetStatus() == RUNNING) return;
	m_singleStepVu0 = true;
	m_mailBox.SendCall(std::bind(&CPS2VM::ResumeImpl, this), true);
}

void CPS2VM::StepVu1()
{
	if(GetStatus() == RUNNING) return;
	m_singleStepVu1 = true;
	m_mailBox.SendCall(std::bind(&CPS2VM::ResumeImpl, this), true);
}

void CPS2VM::Resume()
{
	if(m_nStatus == RUNNING) return;
	m_mailBox.SendCall(std::bind(&CPS2VM::ResumeImpl, this), true);
	OnRunningStateChange();
}

void CPS2VM::Pause()
{
	if(m_nStatus == PAUSED) return;
	m_mailBox.SendCall(std::bind(&CPS2VM::PauseImpl, this), true);
	OnMachineStateChange();
	OnRunningStateChange();
}

void CPS2VM::Reset()
{
	assert(m_nStatus == PAUSED);
	ResetVM();
}

void CPS2VM::DumpEEIntcHandlers()
{
//	if(m_pOS == NULL) return;
	if(m_nStatus != PAUSED) return;
	m_ee->m_os->DumpIntcHandlers();
}

void CPS2VM::DumpEEDmacHandlers()
{
//	if(m_pOS == NULL) return;
	if(m_nStatus != PAUSED) return;
	m_ee->m_os->DumpDmacHandlers();
}

void CPS2VM::Initialize()
{
	CreateVM();
	m_nEnd = false;
	m_thread = std::thread([&] () { EmuThread(); });
}

void CPS2VM::Destroy()
{
	m_mailBox.SendCall(std::bind(&CPS2VM::DestroyImpl, this));
	m_thread.join();
	DestroyVM();
}

unsigned int CPS2VM::SaveState(const char* sPath)
{
	unsigned int result = 0;
	m_mailBox.SendCall(std::bind(&CPS2VM::SaveVMState, this, sPath, std::ref(result)), true);
	return result;
}

unsigned int CPS2VM::LoadState(const char* sPath)
{
	unsigned int result = 0;
	m_mailBox.SendCall(std::bind(&CPS2VM::LoadVMState, this, sPath, std::ref(result)), true);
	return result;
}

void CPS2VM::TriggerFrameDump(const FrameDumpCallback& frameDumpCallback)
{
	m_mailBox.SendCall(
		[=] ()
		{
			std::unique_lock<std::mutex> frameDumpCallbackMutexLock(m_frameDumpCallbackMutex);
			if(m_frameDumpCallback) return;
			m_frameDumpCallback = frameDumpCallback;
		},
		false
	);
}

#ifdef DEBUGGER_INCLUDED

#define TAGS_SECTION_TAGS			("tags")
#define TAGS_SECTION_EE_FUNCTIONS	("ee_functions")
#define TAGS_SECTION_EE_COMMENTS	("ee_comments")
#define TAGS_SECTION_VU1_FUNCTIONS	("vu1_functions")
#define TAGS_SECTION_VU1_COMMENTS	("vu1_comments")
#define TAGS_SECTION_IOP			("iop")
#define TAGS_SECTION_IOP_FUNCTIONS	("functions")
#define TAGS_SECTION_IOP_COMMENTS	("comments")

#define TAGS_PATH		("tags/")

std::string CPS2VM::MakeDebugTagsPackagePath(const char* packageName)
{
	auto tagsPath = CAppConfig::GetBasePath() / boost::filesystem::path(TAGS_PATH);
	Framework::PathUtils::EnsurePathExists(tagsPath);
	auto tagsPackagePath = tagsPath / (std::string(packageName) + std::string(".tags.xml"));
	return tagsPackagePath.string();
}

void CPS2VM::LoadDebugTags(const char* packageName)
{
	try
	{
		std::string packagePath = MakeDebugTagsPackagePath(packageName);
		Framework::CStdStream stream(packagePath.c_str(), "rb");
		boost::scoped_ptr<Framework::Xml::CNode> document(Framework::Xml::CParser::ParseDocument(stream));
		Framework::Xml::CNode* tagsNode = document->Select(TAGS_SECTION_TAGS);
		if(!tagsNode) return;
		m_ee->m_EE.m_Functions.Unserialize(tagsNode, TAGS_SECTION_EE_FUNCTIONS);
		m_ee->m_EE.m_Comments.Unserialize(tagsNode, TAGS_SECTION_EE_COMMENTS);
		m_ee->m_VU1.m_Functions.Unserialize(tagsNode, TAGS_SECTION_VU1_FUNCTIONS);
		m_ee->m_VU1.m_Comments.Unserialize(tagsNode, TAGS_SECTION_VU1_COMMENTS);
		{
			Framework::Xml::CNode* sectionNode = tagsNode->Select(TAGS_SECTION_IOP);
			if(sectionNode)
			{
				m_iop->m_cpu.m_Functions.Unserialize(sectionNode, TAGS_SECTION_IOP_FUNCTIONS);
				m_iop->m_cpu.m_Comments.Unserialize(sectionNode, TAGS_SECTION_IOP_COMMENTS);
				m_iopOs->LoadDebugTags(sectionNode);
			}
		}
	}
	catch(...)
	{

	}
}

void CPS2VM::SaveDebugTags(const char* packageName)
{
	try
	{
		std::string packagePath = MakeDebugTagsPackagePath(packageName);
		Framework::CStdStream stream(packagePath.c_str(), "wb");
		boost::scoped_ptr<Framework::Xml::CNode> document(new Framework::Xml::CNode(TAGS_SECTION_TAGS, true)); 
		m_ee->m_EE.m_Functions.Serialize(document.get(), TAGS_SECTION_EE_FUNCTIONS);
		m_ee->m_EE.m_Comments.Serialize(document.get(), TAGS_SECTION_EE_COMMENTS);
		m_ee->m_VU1.m_Functions.Serialize(document.get(), TAGS_SECTION_VU1_FUNCTIONS);
		m_ee->m_VU1.m_Comments.Serialize(document.get(), TAGS_SECTION_VU1_COMMENTS);
		{
			Framework::Xml::CNode* iopNode = new Framework::Xml::CNode(TAGS_SECTION_IOP, true);
			m_iop->m_cpu.m_Functions.Serialize(iopNode, TAGS_SECTION_IOP_FUNCTIONS);
			m_iop->m_cpu.m_Comments.Serialize(iopNode, TAGS_SECTION_IOP_COMMENTS);
			m_iopOs->SaveDebugTags(iopNode);
			document->InsertNode(iopNode);
		}
		Framework::Xml::CWriter::WriteDocument(stream, document.get());
	}
	catch(...)
	{

	}
}

#endif

//////////////////////////////////////////////////
//Non extern callable methods
//////////////////////////////////////////////////

void CPS2VM::CreateVM()
{
	CDROM0_Initialize();
	ResetVM();
}

void CPS2VM::ResetVM()
{
	m_ee->Reset();

	m_iop->Reset();
	m_iop->SetBios(m_iopOs);

	//LoadBIOS();

	if(m_ee->m_gs != NULL)
	{
		m_ee->m_gs->Reset();
	}

	m_iopOs->Reset(std::make_shared<Iop::CSifManPs2>(m_ee->m_sif, m_ee->m_ram, m_iop->m_ram));

	CDROM0_Reset();

	m_iopOs->GetIoman()->RegisterDevice("host", Iop::CIoman::DevicePtr(new Iop::Ioman::CDirectoryDevice(PREF_PS2_HOST_DIRECTORY)));
	m_iopOs->GetIoman()->RegisterDevice("mc0", Iop::CIoman::DevicePtr(new Iop::Ioman::CDirectoryDevice(PREF_PS2_MC0_DIRECTORY)));
	m_iopOs->GetIoman()->RegisterDevice("mc1", Iop::CIoman::DevicePtr(new Iop::Ioman::CDirectoryDevice(PREF_PS2_MC1_DIRECTORY)));
	m_iopOs->GetIoman()->RegisterDevice("cdrom", Iop::CIoman::DevicePtr(new Iop::Ioman::CIsoDevice(m_cdrom0)));
	m_iopOs->GetIoman()->RegisterDevice("cdrom0", Iop::CIoman::DevicePtr(new Iop::Ioman::CIsoDevice(m_cdrom0)));

	m_iopOs->GetLoadcore()->SetLoadExecutableHandler(std::bind(&CPS2OS::LoadExecutable, m_ee->m_os, std::placeholders::_1, std::placeholders::_2));

	m_vblankTicks = ONSCREEN_TICKS;
	m_inVblank = false;

	m_eeExecutionTicks = 0;
	m_iopExecutionTicks = 0;

	m_spuUpdateTicks = SPU_UPDATE_TICKS;
	m_currentSpuBlock = 0;

	RegisterModulesInPadHandler();
}

void CPS2VM::DestroyVM()
{
	CDROM0_Destroy();
}

void CPS2VM::SaveVMState(const char* sPath, unsigned int& result)
{
	if(m_ee->m_gs == NULL)
	{
		printf("PS2VM: GS Handler was not instancied. Cannot save state.\r\n");
		result = 1;
		return;
	}

	try
	{
		Framework::CStdStream stateStream(sPath, "wb");
		Framework::CZipArchiveWriter archive;

		m_ee->SaveState(archive);
		m_iop->SaveState(archive);
		m_ee->m_gs->SaveState(archive);
		m_iopOs->GetPadman()->SaveState(archive);
		//TODO: Save CDVDFSV state

		archive.Write(stateStream);
	}
	catch(...)
	{
		result = 1;
		return;
	}

	printf("PS2VM: Saved state to file '%s'.\r\n", sPath);

	result = 0;
}

void CPS2VM::LoadVMState(const char* sPath, unsigned int& result)
{
	if(m_ee->m_gs == NULL)
	{
		printf("PS2VM: GS Handler was not instancied. Cannot load state.\r\n");
		result = 1;
		return;
	}

	try
	{
		Framework::CStdStream stateStream(sPath, "rb");
		Framework::CZipArchiveReader archive(stateStream);
		
		try
		{
			m_ee->LoadState(archive);
			m_iop->LoadState(archive);
			m_ee->m_gs->LoadState(archive);
			m_iopOs->GetPadman()->LoadState(archive);
		}
		catch(...)
		{
			//Any error that occurs in the previous block is critical
			PauseImpl();
			throw;
		}
	}
	catch(...)
	{
		result = 1;
		return;
	}

	printf("PS2VM: Loaded state from file '%s'.\r\n", sPath);

	OnMachineStateChange();

	result = 0;
}

void CPS2VM::PauseImpl()
{
	m_nStatus = PAUSED;
}

void CPS2VM::ResumeImpl()
{
#ifdef DEBUGGER_INCLUDED
	m_ee->m_executor.DisableBreakpointsOnce();
	m_iop->m_executor.DisableBreakpointsOnce();
	m_ee->m_vpu1->DisableBreakpointsOnce();
#endif
	m_nStatus = RUNNING;
}

void CPS2VM::DestroyImpl()
{
	DestroyGsHandlerImpl();
	DestroyPadHandlerImpl();
	DestroySoundHandlerImpl();
	m_nEnd = true;
}

void CPS2VM::CreateGsHandlerImpl(const CGSHandler::FactoryFunction& factoryFunction)
{
	m_ee->m_gs = factoryFunction();
	m_ee->m_gs->Initialize();
	m_ee->m_gs->OnNewFrame.connect(boost::bind(&CPS2VM::OnGsNewFrame, this));
}

void CPS2VM::DestroyGsHandlerImpl()
{
	if(m_ee->m_gs == nullptr) return;
	m_ee->m_gs->Release();
	delete m_ee->m_gs;
	m_ee->m_gs = nullptr;
}

void CPS2VM::CreatePadHandlerImpl(const CPadHandler::FactoryFunction& factoryFunction)
{
	m_pad = factoryFunction();
	RegisterModulesInPadHandler();
}

void CPS2VM::DestroyPadHandlerImpl()
{
	if(m_pad == nullptr) return;
	delete m_pad;
	m_pad = nullptr;
}

void CPS2VM::CreateSoundHandlerImpl(const CSoundHandler::FactoryFunction& factoryFunction)
{
	m_soundHandler = factoryFunction();
}

void CPS2VM::DestroySoundHandlerImpl()
{
	if(m_soundHandler == nullptr) return;
	delete m_soundHandler;
	m_soundHandler = nullptr;
}

void CPS2VM::OnGsNewFrame()
{
#ifdef DEBUGGER_INCLUDED
	std::unique_lock<std::mutex> dumpFrameCallbackMutexLock(m_frameDumpCallbackMutex);
	if(m_dumpingFrame && !m_frameDump.GetPackets().empty())
	{
		m_ee->m_gs->SetFrameDump(nullptr);
		m_frameDumpCallback(m_frameDump);
		m_dumpingFrame = false;
		m_frameDumpCallback = FrameDumpCallback();
	}
	else if(m_frameDumpCallback)
	{
		m_frameDump.Reset();
		memcpy(m_frameDump.GetInitialGsRam(), m_ee->m_gs->GetRam(), CGSHandler::RAMSIZE);
		memcpy(m_frameDump.GetInitialGsRegisters(), m_ee->m_gs->GetRegisters(), CGSHandler::REGISTER_MAX * sizeof(uint64));
		m_frameDump.SetInitialSMODE2(m_ee->m_gs->GetSMODE2());
		m_ee->m_gs->SetFrameDump(&m_frameDump);
		m_dumpingFrame = true;
	}
#endif
}

void CPS2VM::UpdateEe()
{
#ifdef PROFILE
	CProfilerZone profilerZone(m_eeProfilerZone);
#endif

	while(m_eeExecutionTicks > 0)
	{
		int executed = m_ee->ExecuteCpu(m_singleStepEe ? 1 : m_eeExecutionTicks);
		if(m_ee->IsCpuIdle())
		{
			executed = m_eeExecutionTicks;
		}

		m_eeExecutionTicks -= executed;
		m_ee->CountTicks(executed);
		m_vblankTicks -= executed;

		//Stop executing if executing VU subroutine
		if(m_ee->m_EE.m_State.callMsEnabled) break;

#ifdef DEBUGGER_INCLUDED
		if(m_singleStepEe) break;
		if(m_ee->m_executor.MustBreak()) break;
#endif
	}
}

void CPS2VM::UpdateIop()
{
#ifdef PROFILE
	CProfilerZone profilerZone(m_iopProfilerZone);
#endif

	while(m_iopExecutionTicks > 0)
	{
		int executed = m_iop->ExecuteCpu(m_singleStepIop ? 1 : m_iopExecutionTicks);
		if(m_iop->IsCpuIdle())
		{
			executed = m_iopExecutionTicks;
		}

		m_iopExecutionTicks -= executed;
		m_spuUpdateTicks -= executed;
		m_iop->CountTicks(executed);

#ifdef DEBUGGER_INCLUDED
		if(m_singleStepIop) break;
		if(m_iop->m_executor.MustBreak()) break;
#endif
	}
}

void CPS2VM::UpdateSpu()
{
#ifdef PROFILE
	CProfilerZone profilerZone(m_spuProfilerZone);
#endif

	unsigned int blockOffset = (BLOCK_SIZE * m_currentSpuBlock);
	int16* samplesSpu0 = m_samples + blockOffset;

	m_iop->m_spuCore0.Render(samplesSpu0, BLOCK_SIZE, 44100);

	if(m_iop->m_spuCore1.IsEnabled())
	{
		int16 samplesSpu1[BLOCK_SIZE];
		m_iop->m_spuCore1.Render(samplesSpu1, BLOCK_SIZE, 44100);

		for(unsigned int i = 0; i < BLOCK_SIZE; i++)
		{
			int32 resultSample = static_cast<int32>(samplesSpu0[i]) + static_cast<int32>(samplesSpu1[i]);
			resultSample = std::max<int32>(resultSample, SHRT_MIN);
			resultSample = std::min<int32>(resultSample, SHRT_MAX);
			samplesSpu0[i] = static_cast<int16>(resultSample);
		}
	}

	m_currentSpuBlock++;
	if(m_currentSpuBlock == BLOCK_COUNT)
	{
		if(m_soundHandler)
		{
			if(m_soundHandler->HasFreeBuffers())
			{
				m_soundHandler->RecycleBuffers();
			}
			m_soundHandler->Write(m_samples, BLOCK_SIZE * BLOCK_COUNT, 44100);
		}
		m_currentSpuBlock = 0;
	}
}

void CPS2VM::CDROM0_Initialize()
{
	CAppConfig::GetInstance().RegisterPreferenceString(PS2VM_CDROM0PATH, "");
	m_cdrom0.reset();
}

void CPS2VM::CDROM0_Reset()
{
	m_cdrom0.reset();
	CDROM0_Mount(CAppConfig::GetInstance().GetPreferenceString(PS2VM_CDROM0PATH));
}

void CPS2VM::CDROM0_Mount(const char* path)
{
	//TODO: Check if there's an m_cdrom0 already
	//TODO: Check if files are linked to this m_cdrom0 too and do something with them

	size_t pathLength = strlen(path);
	if(pathLength != 0)
	{
		try
		{
			m_cdrom0 = DiskUtils::CreateDiskImageFromPath(path);
			SetIopCdImage(m_cdrom0.get());
		}
		catch(const std::exception& Exception)
		{
			printf("PS2VM: Error mounting cdrom0 device: %s\r\n", Exception.what());
		}
	}

	CAppConfig::GetInstance().SetPreferenceString(PS2VM_CDROM0PATH, path);
}

void CPS2VM::CDROM0_Destroy()
{
	SetIopCdImage(nullptr);
	m_cdrom0.reset();
}

void CPS2VM::SetIopCdImage(CISO9660* image)
{
	m_iopOs->GetCdvdfsv()->SetIsoImage(image);
	m_iopOs->GetCdvdman()->SetIsoImage(image);
}

void CPS2VM::RegisterModulesInPadHandler()
{
	if(m_pad == nullptr) return;

	m_pad->RemoveAllListeners();
	m_pad->InsertListener(m_iopOs->GetPadman());
	m_pad->InsertListener(&m_iop->m_sio2);
}

void CPS2VM::ReloadExecutable(const char* executablePath, const CPS2OS::ArgumentList& arguments)
{
	ResetVM();
	m_ee->m_os->BootFromVirtualPath(executablePath, arguments);
}

void CPS2VM::EmuThread()
{
	fesetround(FE_TOWARDZERO);
	CProfiler::GetInstance().SetWorkThread();
#ifdef PROFILE
	CProfilerZone profilerZone(m_otherProfilerZone);
#endif
	m_ee->m_executor.AddExceptionHandler();
	while(1)
	{
		while(m_mailBox.IsPending())
		{
			m_mailBox.ReceiveCall();
		}
		if(m_nEnd) break;
		if(m_nStatus == PAUSED)
		{
			std::this_thread::sleep_for(std::chrono::milliseconds(100));
		}
		if(m_nStatus == RUNNING)
		{
			if(m_spuUpdateTicks <= 0)
			{
				UpdateSpu();
				m_spuUpdateTicks += SPU_UPDATE_TICKS;
			}

			//EE execution
			{
				//Check vblank stuff
				if(m_vblankTicks <= 0)
				{
					m_inVblank = !m_inVblank;
					if(m_inVblank)
					{
						m_vblankTicks += VBLANK_TICKS;
						m_ee->NotifyVBlankStart();
						m_iop->NotifyVBlankStart();

						if(m_ee->m_gs != NULL)
						{
#ifdef PROFILE
							CProfilerZone profilerZone(m_gsSyncProfilerZone);
#endif
							m_ee->m_gs->SetVBlank();
						}

						if(m_pad != NULL)
						{
							m_pad->Update(m_ee->m_ram);
						}
#ifdef PROFILE
						{
							CProfiler::GetInstance().CountCurrentZone();
							auto stats = CProfiler::GetInstance().GetStats();
							ProfileFrameDone(stats);
							CProfiler::GetInstance().Reset();
						}
#endif
					}
					else
					{
						m_vblankTicks += ONSCREEN_TICKS;
						m_ee->NotifyVBlankEnd();
						m_iop->NotifyVBlankEnd();
						if(m_ee->m_gs != NULL)
						{
							m_ee->m_gs->ResetVBlank();
						}
					}
				}

				//EE CPU is 8 times faster than the IOP CPU
				static const int tickStep = 480;
				m_eeExecutionTicks += tickStep;
				m_iopExecutionTicks += tickStep / 8;

				UpdateEe();
				UpdateIop();

				m_ee->m_vpu0->Execute(m_singleStepVu0);
				m_ee->m_vpu1->Execute(m_singleStepVu1);
			}
#ifdef DEBUGGER_INCLUDED
			if(
			   m_ee->m_executor.MustBreak() || 
			   m_iop->m_executor.MustBreak() ||
			   m_ee->m_vpu1->MustBreak() ||
			   m_singleStepEe || m_singleStepIop || m_singleStepVu0 || m_singleStepVu1)
			{
				m_nStatus = PAUSED;
				m_singleStepEe = false;
				m_singleStepIop = false;
				m_singleStepVu0 = false;
				m_singleStepVu1 = false;
				OnRunningStateChange();
				OnMachineStateChange();
			}
#endif
		}
	}
	m_ee->m_executor.RemoveExceptionHandler();
}