Assorted cleanup and comments.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2693 8ced0084-cf51-0410-be5f-012b33b47a6e

5 files changed, 47 insertions, 44 deletions

diff --git a/Source/Core/Core/Src/Boot/Boot_BIOSEmu.cpp b/Source/Core/Core/Src/Boot/Boot_BIOSEmu.cpp
index 739b070c35..f424efaa4b 100644
--- a/Source/Core/Core/Src/Boot/Boot_BIOSEmu.cpp
+++ b/Source/Core/Core/Src/Boot/Boot_BIOSEmu.cpp
@@ -154,7 +154,6 @@ void CBoot::EmulatedBIOS(bool _bDebug)
 }
 
 
-
 bool CBoot::SetupWiiMemory(unsigned int _CountryCode)
 {
     INFO_LOG(BOOT, "Setup Wii Memory...");
diff --git a/Source/Core/Core/Src/HW/PixelEngine.cpp b/Source/Core/Core/Src/HW/PixelEngine.cpp
index 6c2a49ca00..8aab4cd5f8 100644
--- a/Source/Core/Core/Src/HW/PixelEngine.cpp
+++ b/Source/Core/Core/Src/HW/PixelEngine.cpp
@@ -57,11 +57,11 @@ union UPECtrlReg
 // STATE_TO_SAVE
 static UPECtrlReg g_ctrlReg;
 
-static bool       g_bSignalTokenInterrupt;
-static bool       g_bSignalFinishInterrupt;
+static bool g_bSignalTokenInterrupt;
+static bool g_bSignalFinishInterrupt;
 
-int et_SetTokenOnMainThread;
-int et_SetFinishOnMainThread;
+static int et_SetTokenOnMainThread;
+static int et_SetFinishOnMainThread;
 
 void DoState(PointerWrap &p)
 {
@@ -86,7 +86,7 @@ void Init()
 
 void Read16(u16& _uReturnValue, const u32 _iAddress)
 {
-	DEBUG_LOG(PIXELENGINE,  "(r16): 0x%08x", _iAddress);
+	DEBUG_LOG(PIXELENGINE, "(r16): 0x%08x", _iAddress);
 
 	switch (_iAddress & 0xFFF)
 	{
@@ -101,7 +101,7 @@ void Read16(u16& _uReturnValue, const u32 _iAddress)
 		return;
 
 	default:
-		WARN_LOG(PIXELENGINE,"(unknown)");
+		WARN_LOG(PIXELENGINE, "(r16): unknown @ %08x", _iAddress);
 		break;
 	}
 
@@ -110,14 +110,14 @@ void Read16(u16& _uReturnValue, const u32 _iAddress)
 
 void Write32(const u32 _iValue, const u32 _iAddress)
 {
-	INFO_LOG(PIXELENGINE, "(w32): 0x%08x @ 0x%08x",_iValue,_iAddress);
+	WARN_LOG(PIXELENGINE, "(w32): 0x%08x @ 0x%08x",_iValue,_iAddress);
 }
 
 void Write16(const u16 _iValue, const u32 _iAddress)
 {
 	DEBUG_LOG(PIXELENGINE, "(w16): 0x%04x @ 0x%08x",_iValue,_iAddress);
 
-	switch(_iAddress & 0xFFF)
+	switch (_iAddress & 0xFFF)
 	{
 	case CTRL_REGISTER:	
 		{
@@ -126,8 +126,8 @@ void Write16(const u16 _iValue, const u32 _iAddress)
 			if (tmpCtrl.PEToken)	g_bSignalTokenInterrupt = false;
 			if (tmpCtrl.PEFinish)	g_bSignalFinishInterrupt = false;
 
-			g_ctrlReg.PETokenEnable		= tmpCtrl.PETokenEnable;
-			g_ctrlReg.PEFinishEnable	= tmpCtrl.PEFinishEnable;
+			g_ctrlReg.PETokenEnable  = tmpCtrl.PETokenEnable;
+			g_ctrlReg.PEFinishEnable = tmpCtrl.PEFinishEnable;
 			g_ctrlReg.PEToken = 0;		// this flag is write only
 			g_ctrlReg.PEFinish = 0;		// this flag is write only
 
@@ -137,10 +137,14 @@ void Write16(const u16 _iValue, const u32 _iAddress)
 
 	case TOKEN_REG:
 		//LOG(PIXELENGINE,"WEIRD: program wrote token: %i",_iValue);
-		PanicAlert("PIXELENGINE : (w16) WTF? program wrote token: %i",_iValue);
+		PanicAlert("PIXELENGINE : (w16) WTF? PowerPC program wrote token: %i", _iValue);
 		//only the gx pipeline is supposed to be able to write here
 		//g_token = _iValue;
 		break;
+
+	default:
+		WARN_LOG(PIXELENGINE, "Write16: unknown %04x @ %08x", _iValue, _iAddress);
+		break;
 	}
 }
 
@@ -195,6 +199,7 @@ void SetToken(const u16 _token, const int _bSetTokenAcknowledge)
 	// TODO?: set-token-value and set-token-INT could be merged since set-token-INT own the token value.
 	if (_bSetTokenAcknowledge) // set token INT
 	{
+		// This seems smelly...
 		CommandProcessor::IncrementGPWDToken(); // for DC watchdog hack since PEToken seems to be a frame-finish too
 		CoreTiming::ScheduleEvent_Threadsafe(
 			0, et_SetTokenOnMainThread, _token | (_bSetTokenAcknowledge << 16));
@@ -202,7 +207,7 @@ void SetToken(const u16 _token, const int _bSetTokenAcknowledge)
 	else // set token value
 	{
 		// we do it directly from videoThread because of
-		// Super Monkey Ball Advance
+		// Super Monkey Ball
         Common::SyncInterlockedExchange((LONG*)&CommandProcessor::fifo.PEToken, _token);
 	}
 }
diff --git a/Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE_Device_es.cpp b/Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE_Device_es.cpp
index 34e6e6343b..3236d8dd80 100644
--- a/Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE_Device_es.cpp
+++ b/Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE_Device_es.cpp
@@ -258,8 +258,12 @@ bool CWII_IPC_HLE_Device_es::IOCtlV(u32 _CommandAddress)
 
             if (Size > 0)
             {
-                memcpy(pDest, pSrc, Size);
-                rContent.m_Position += Size;
+				if (pDest) {
+					memcpy(pDest, pSrc, Size);
+					rContent.m_Position += Size;
+				} else {
+					PanicAlert("IOCTL_ES_READCONTENT - bad destination");
+				}
             }
 
             INFO_LOG(WII_IPC_ES, "ES: IOCTL_ES_READCONTENT: CFD %x, Addr 0x%x, Size %i -> stream pos %i (Index %i)", CFD, Addr, Size, rContent.m_Position, rContent.m_pContent->m_Index);
diff --git a/Source/Core/DiscIO/Src/BannerLoaderWii.cpp b/Source/Core/DiscIO/Src/BannerLoaderWii.cpp
index eae62f0152..192726806c 100644
--- a/Source/Core/DiscIO/Src/BannerLoaderWii.cpp
+++ b/Source/Core/DiscIO/Src/BannerLoaderWii.cpp
@@ -26,6 +26,7 @@
 
 namespace DiscIO
 {
+
 CBannerLoaderWii::CBannerLoaderWii(DiscIO::IFileSystem& _rFileSystem)	
 	: m_pBannerFile(NULL)
 	, m_IsValid(false)
@@ -34,7 +35,14 @@ CBannerLoaderWii::CBannerLoaderWii(DiscIO::IFileSystem& _rFileSystem)
 	char TitleID[4];
 	
 	_rFileSystem.GetVolume()->Read(0, 4, (u8*)TitleID);
-	sprintf(Filename, FULL_WII_USER_DIR "title/00010000/%02x%02x%02x%02x/data/banner.bin", (u8)TitleID[0], (u8)TitleID[1], (u8)TitleID[2], (u8)TitleID[3]);
+	sprintf(Filename, FULL_WII_USER_DIR "title/00010000/%02x%02x%02x%02x/data/banner.bin",
+		    (u8)TitleID[0], (u8)TitleID[1], (u8)TitleID[2], (u8)TitleID[3]);
+
+	if (!File::Exists(Filename))
+	{
+		m_IsValid = false;
+		return;
+	}
 
 	// load the opening.bnr
 	size_t FileSize = (size_t) File::GetSize(Filename);
@@ -43,7 +51,7 @@ CBannerLoaderWii::CBannerLoaderWii(DiscIO::IFileSystem& _rFileSystem)
 	{
 		m_pBannerFile = new u8[FileSize];
 		FILE* pFile = fopen(Filename, "rb");
-		if ((pFile != NULL) && (m_pBannerFile != NULL))
+		if (pFile)
 		{
 			fread(m_pBannerFile, FileSize, 1, pFile);
 			fclose(pFile);
@@ -61,38 +69,33 @@ CBannerLoaderWii::~CBannerLoaderWii()
 	}
 }
 
-
-bool
-CBannerLoaderWii::IsValid()
+bool CBannerLoaderWii::IsValid()
 {
-	return (m_IsValid);
+	return m_IsValid;
 }
 
-
-bool
-CBannerLoaderWii::GetBanner(u32* _pBannerImage)
+bool CBannerLoaderWii::GetBanner(u32* _pBannerImage)
 {
 	if (IsValid())
 	{
 		SWiiBanner* pBanner = (SWiiBanner*)m_pBannerFile;
 
-		static u32 Buffer[192 * 64];
+		u32 Buffer[192 * 64];
 		decode5A3image(Buffer, (u16*)pBanner->m_BannerTexture, 192, 64);
 
-		// ugly scaling :)
-		for (int y=0; y<32; y++)
+		// ugly scaling :) TODO: at least a 2x2 box filter, preferably a 3x3 gaussian :)
+		for (int y = 0; y < 32; y++)
 		{
-			for (int x=0; x<96; x++)
+			for (int x = 0; x < 96; x++)
 			{
-				_pBannerImage[y*96+x] = Buffer[(y*192*2)+(x*2)];
+				_pBannerImage[y*96+x] = Buffer[(y*192*2) + (x*2)];
 			}
 		}	
 	}
 	return true;
 }
 
-bool
-CBannerLoaderWii::GetName(std::string* _rName)
+bool CBannerLoaderWii::GetName(std::string* _rName)
 {
 	if (IsValid())
 	{
@@ -112,17 +115,13 @@ CBannerLoaderWii::GetName(std::string* _rName)
 	return false;
 }
 
-
-bool
-CBannerLoaderWii::GetCompany(std::string& _rCompany)
+bool CBannerLoaderWii::GetCompany(std::string& _rCompany)
 {
     _rCompany = "N/A";
     return true;
 }
 
-
-bool
-CBannerLoaderWii::GetDescription(std::string* _rDescription)
+bool CBannerLoaderWii::GetDescription(std::string* _rDescription)
 {
 	if (IsValid())
 	{
@@ -142,8 +141,7 @@ CBannerLoaderWii::GetDescription(std::string* _rDescription)
 	return false;
 }
 
-void
-CBannerLoaderWii::decode5A3image(u32* dst, u16* src, int width, int height)
+void CBannerLoaderWii::decode5A3image(u32* dst, u16* src, int width, int height)
 {
 	for (int y = 0; y < height; y += 4)
 	{
@@ -162,4 +160,3 @@ CBannerLoaderWii::decode5A3image(u32* dst, u16* src, int width, int height)
 }
 
 } // namespace
-
diff --git a/Source/Core/VideoCommon/Src/TextureDecoder.cpp b/Source/Core/VideoCommon/Src/TextureDecoder.cpp
index 4dbfeee204..4ca645caaf 100644
--- a/Source/Core/VideoCommon/Src/TextureDecoder.cpp
+++ b/Source/Core/VideoCommon/Src/TextureDecoder.cpp
@@ -133,8 +133,8 @@ inline u32 decode565(u16 val)
 
 inline u32 decodeIA8(u16 val)
 {
-    int a=val>>8;
-    int i=val&0xFF;
+    int a = val >> 8;
+    int i = val & 0xFF;
     return (a<<24) | (i<<16) | (i<<8) | i;
 }
 
@@ -158,8 +158,6 @@ inline u32 decode5A3(u16 val)
     return (a<<24) | (r<<16) | (g<<8) | b;
 }
 
-
-
 struct DXTBlock
 {
     u16 color1;