Add Fix002 gameini parameter (no ui yet). Hack to fix games that display "002 error" without having to manually patch the games. (yeah this is ugly).

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2952 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/Core/Src/Boot/Boot_BIOSEmu.cpp

@@ -42,6 +42,30 @@ void CBoot::RunFunction(u32 _iAddr)
 		PowerPC::SingleStep();
 }
 
+// THIS IS UGLY. this should be figured out properly instead of patching the games.
+bool Remove_002_Protection(u32 addr, int Size)
+{
+	u32 SearchPattern[3]    = { 0x2C000000, 0x40820214, 0x3C608000 };
+	u32 PatchData[3]        = { 0x2C000000, 0x48000214, 0x3C608000 };
+
+	while (Size >= 12)
+	{
+		if (Memory::ReadUnchecked_U32(addr + 0) == SearchPattern[0] && 
+			Memory::ReadUnchecked_U32(addr + 4) == SearchPattern[1] &&
+			Memory::ReadUnchecked_U32(addr + 8) == SearchPattern[2])
+		{
+			Memory::WriteUnchecked_U32(PatchData[0], addr);
+			Memory::WriteUnchecked_U32(PatchData[1], addr + 4);
+			Memory::WriteUnchecked_U32(PatchData[2], addr + 8);
+			return true;
+		}
+		addr += 4;
+		Size -= 4;
+	}
+
+	return false;
+}
+
 // __________________________________________________________________________________________________
 //
 // GameCube BIOS HLE: 
@@ -265,7 +289,6 @@ bool CBoot::SetupWiiMemory(unsigned int _CountryCode)
     {
         Memory::Write_U32(0x00000000, 0x80000000 + i);
     }	
-
     return true;
 }
 
@@ -373,6 +396,14 @@ bool CBoot::EmulatedBIOS_Wii(bool _bDebug)
 
 	PowerPC::ppcState.DebugCount = 0;
 
+	if (Core::GetStartupParameter().bFix002)
+	{
+		// UGLY UGLY UGLY
+		// TODO: Understand what this does and fix it properly..
+		// This "fixes" games that display "Error 002" instead of running.
+		Remove_002_Protection(0x80004000, 0x5000000);
+	}
+
 	return true;
 }
 

Source/Core/Core/Src/CoreParameter.cpp

@@ -44,6 +44,7 @@ void SCoreStartupParameter::LoadDefaults()
 	bDSPThread = true;
 	bLockThreads = true;
 	bWii = false;
+	bFix002 = false;
 	SelectedLanguage = 0;
 	iTLBHack = 0;
 	delete gameIni;

Source/Core/Core/Src/CoreParameter.h

@@ -71,6 +71,7 @@ struct SCoreStartupParameter
 	bool bRunCompareClient;
 
 	int iTLBHack;
+	bool bFix002;
 
 	int  SelectedLanguage;
 

Source/Core/Core/Src/HW/EXI_Channel.h

@@ -14,6 +14,7 @@
 
 // Official SVN repository and contact information can be found at
 // http://code.google.com/p/dolphin-emu/
+
 #ifndef _EXICHANNEL_H
 #define _EXICHANNEL_H
 
@@ -93,7 +94,6 @@ private:
 	IEXIDevice* m_pDevices[NUM_DEVICES];
 
 public:
-
 	// channelId for debugging
 	u32 m_ChannelId;
 

Source/Core/DolphinWX/Src/BootManager.cpp

@@ -135,6 +135,7 @@ bool BootCore(const std::string& _rFilename)
 		ini->Get("Core", "SkipIdle", &StartUp.bSkipIdle, StartUp.bSkipIdle);
 		ini->Get("Core", "OptimizeQuantizers", &StartUp.bOptimizeQuantizers, StartUp.bOptimizeQuantizers);
 		ini->Get("Core", "TLBHack", &StartUp.iTLBHack, StartUp.iTLBHack);
+		ini->Get("Core", "Fix002", &StartUp.bFix002, false);
 
 		// ------------------------------------------------
 		// Wii settings