wxSavestates: Fixed Bios CRC calculations and improved robustness against saving multiple states at once (hackfix). Console title still doesn't display the BIOS label properly ... not sure yet the good way to remedy that one.

git-svn-id: http://pcsx2.googlecode.com/svn/branches/wxSavestates@4097 96395faa-99c1-11dd-bbfe-3dabce05a288

pcsx2/System.cpp

@@ -605,6 +605,8 @@ wxString SysGetDiscID()
 		// FIXME: system is currently running the BIOS, so it should return a serial based on
 		// the BIOS being run (either a checksum of the BIOS roms, and/or a string based on BIOS
 		// region and revision).
+		
+		return wxEmptyString;
 	}
 
 	return pxsFmt( L"%08x", ElfCRC );

pcsx2/ZipTools/thread_gzip.cpp

@@ -75,7 +75,6 @@ void BaseCompressThread::ExecuteTaskInThread()
 		woot.CloseEntry();
 	}
 
-
 	m_gzfp->Close();
 
 	if( !wxRenameFile( m_gzfp->GetStreamName(), m_final_filename, true ) )

pcsx2/gui/App.h

@@ -539,6 +539,7 @@ public:
 	void WipeUserModeSettings();
 	void ReadUserModeSettings();
 
+	bool HasPendingSaves() const;
 	void StartPendingSave();
 	void ClearPendingSave();
 	

pcsx2/gui/AppCoreThread.cpp

@@ -298,8 +298,7 @@ void AppCoreThread::ApplySettings( const Pcsx2Config& src )
 	wxString gameFixes;
 	wxString gameCheats;
 
-	// [TODO] : Fix this so that it recognizes and reports BIOS-booting status!
-	wxString gameName	(L"Unknown");
+	wxString gameName;
 	wxString gameCompat;
 
 	if (ElfCRC) gameCRC.Printf( L"%8.8x", ElfCRC );
@@ -309,6 +308,8 @@ void AppCoreThread::ApplySettings( const Pcsx2Config& src )
 	const bool verbose( newGameKey != curGameKey );
 	curGameKey = newGameKey;
 
+	if (!curGameKey.IsEmpty())
+	{
 		if (IGameDatabase* GameDB = AppHost_GetGameDatabase() )
 		{
 			Game_Data game;
@@ -329,6 +330,13 @@ void AppCoreThread::ApplySettings( const Pcsx2Config& src )
 				}
 			}
 		}
+	}
+
+	if (gameName.IsEmpty() && gameSerial.IsEmpty() && BiosChecksum)
+	{
+		gameName = L"BIOS";
+		gameCRC.Printf( L"%8.8x", BiosChecksum );
+	}
 
 	if (EmuConfig.EnableCheats) {
 		if (int cheats = InitCheats(gameCRC)) {

pcsx2/gui/AppMain.cpp

@@ -605,6 +605,12 @@ void Pcsx2App::HandleEvent(wxEvtHandler* handler, wxEventFunction func, wxEvent&
 	}
 }
 
+bool Pcsx2App::HasPendingSaves() const
+{
+	AffinityAssert_AllowFrom_MainUI();
+	return !!m_PendingSaves;
+}
+
 // A call to this method informs the app that there is a pending save operation that must be
 // finished prior to exiting the app, or else data loss will occur.  Any call to this method
 // should be matched by a call to ClearPendingSave().

pcsx2/gui/Saveslots.cpp

@@ -37,6 +37,8 @@ bool States_isSlotUsed(int num)
 		return wxFileExists( SaveStateBase::GetFilename( num ) );
 }
 
+// FIXME : Use of the IsSavingOrLoading flag is mostly a hack until we implement a
+// complete thread to manage queuing savestate tasks, and zipping states to disk.  --air
 static volatile u32 IsSavingOrLoading = false;
 
 class SysExecEvent_ClearSavingLoadingFlag : public SysExecEvent
@@ -60,7 +62,10 @@ protected:
 
 void States_FreezeCurrentSlot()
 {
-	if( AtomicExchange(IsSavingOrLoading, true) )
+	// FIXME : Use of the IsSavingOrLoading flag is mostly a hack until we implement a
+	// complete thread to manage queuing savestate tasks, and zipping states to disk.  --air
+
+	if( wxGetApp().HasPendingSaves() || AtomicExchange(IsSavingOrLoading, true) )
 	{
 		Console.WriteLn( "Load or save action is already pending." );
 		return;
@@ -84,8 +89,6 @@ void States_DefrostCurrentSlot()
 	StateCopy_LoadFromSlot( StatesC );
 
 	GetSysExecutorThread().PostIdleEvent( SysExecEvent_ClearSavingLoadingFlag() );
-
-	//SysStatus( wxsFormat( _("Loaded State (slot %d)"), StatesC ) );
 }
 
 static void OnSlotChanged()

pcsx2/ps2/BiosTools.cpp

@@ -158,12 +158,12 @@ static void LoadBiosVersion( pxInputStream& fp, u32& version, wxString& descript
 	}
 }
 
-template< typename T, size_t _size >
-void ChecksumIt( u32& result, const T (&srcdata)[_size] )
+template< size_t _size >
+void ChecksumIt( u32& result, const u8 (&srcdata)[_size] )
 {
 	pxAssume( (_size & 3) == 0 );
 	for( size_t i=0; i<_size/4; ++i )
-		result ^= srcdata[i];
+		result ^= ((u32*)srcdata)[i];
 }
 
 // Attempts to load a BIOS rom sub-component, by trying multiple combinations of base