diff --git a/src/audio/oal/stream.cpp b/src/audio/oal/stream.cpp
index c07ae093..be0c7ccc 100644
--- a/src/audio/oal/stream.cpp
+++ b/src/audio/oal/stream.cpp
@@ -419,14 +419,12 @@ static sf_count_t sndfile_vio_read(void* ptr, sf_count_t count, void* user_data)
 	return fread(ptr, 1, count, (FILE*)user_data);
 }
 
-static sf_count_t
-sndfile_vio_write(const void* ptr, sf_count_t count, void* user_data)
+static sf_count_t sndfile_vio_write(const void* ptr, sf_count_t count, void* user_data)
 {
 	return fwrite(ptr, 1, count, (FILE*)user_data);
 }
 
-static sf_count_t
-sndfile_vio_tell(void* user_data)
+static sf_count_t sndfile_vio_tell(void* user_data)
 {
 	return ftell((FILE*)user_data);
 }
@@ -653,7 +651,8 @@ static ssize_t mpg123_read_replacement(void* handle, void* data, size_t size)
 
 static off_t mpg123_seek_replacement(void* handle, off_t offset, int whence)
 {
-	return fseek((FILE*)handle, offset, whence);
+	fseek((FILE*)handle, (uint32) offset, whence);
+	return ftell((FILE*)handle);
 }
 
 class CMP3File : public IDecoder
@@ -670,7 +669,9 @@ protected:
 		m_pMH(nil),
 		m_bOpened(false),
 		m_nRate(0),
-		m_nChannels(0) {}
+		m_nChannels(0),
+		m_fileHandle(NULL),
+		m_buffer(NULL) {}
 public:
 	CMP3File(const char *path) :
 		m_pMH(nil),
@@ -726,6 +727,8 @@ public:
 			}
 			free(m_buffer);
 
+			m_fileHandle = nil;
+			m_buffer = nil;
 			m_pMH = nil;
 		}
 	}
@@ -799,10 +802,6 @@ class CADFFile : public CMP3File
 		fseek((FILE*)fh, pos, seekType);
 		return ftell((FILE*)fh);
 	}
-	static void r_close(void* fh)
-	{
-		fclose((FILE*)fh);
-	}
 public:
 	CADFFile(const char* path)
 	{
@@ -816,10 +815,18 @@ public:
 			int channels = 0;
 			int encoding = 0;
 
-			FILE* f = fopen(path, "rb");
+			m_buffer = (char*) memalign(0x40, IO_BUFFER_SIZE);
 
-			m_bOpened = mpg123_replace_reader_handle(m_pMH, r_read, r_seek, r_close) == MPG123_OK
-				&& mpg123_open_handle(m_pMH, f) == MPG123_OK &&  mpg123_getformat(m_pMH, &rate, &channels, &encoding) == MPG123_OK;
+			FILE* m_fileHandle = fopen(path, "rb");
+			if (!m_fileHandle) {
+				m_bOpened = false;
+				return;
+			}
+
+			setvbuf(m_fileHandle, m_buffer, _IOFBF, IO_BUFFER_SIZE);
+
+			m_bOpened = mpg123_replace_reader_handle(m_pMH, r_read, r_seek, NULL) == MPG123_OK
+				&& mpg123_open_handle(m_pMH, m_fileHandle) == MPG123_OK &&  mpg123_getformat(m_pMH, &rate, &channels, &encoding) == MPG123_OK;
 			m_nRate = rate;
 			m_nChannels = channels;
 
@@ -905,6 +912,7 @@ public:
 class CVbFile : public IDecoder
 {
 	FILE        *m_pFile;
+	char		*m_buffer;
 	CVagDecoder *m_pVagDecoders;
 
 	size_t  m_FileSize;
@@ -934,9 +942,13 @@ public:
 	CVbFile(const char* path, uint32 nSampleRate = 32000, uint8 nChannels = 2) : m_nSampleRate(nSampleRate), m_nChannels(nChannels), m_pVagDecoders(nil), m_ppVagBuffers(nil), m_ppPcmBuffers(nil),
 		m_FileSize(0), m_nNumberOfBlocks(0), m_bBlockRead(false), m_LineInBlock(0), m_CurrentBlock(0)
 	{
+		m_buffer = (char*) memalign(0x40, IO_BUFFER_SIZE);
+
 		m_pFile = fopen(path, "rb");
 		if (!m_pFile) return;
 
+		setvbuf(m_pFile, m_buffer, _IOFBF, IO_BUFFER_SIZE);
+
 		fseek(m_pFile, 0, SEEK_END);
 		m_FileSize = ftell(m_pFile);
 		fseek(m_pFile, 0, SEEK_SET);
@@ -954,6 +966,7 @@ public:
 		if (m_pFile)
 		{
 			fclose(m_pFile);
+			free(m_buffer);
 
 			delete[] m_pVagDecoders;
 			for (int i = 0; i < m_nChannels; i++)
diff --git a/src/control/Script6.cpp b/src/control/Script6.cpp
index 4d7121f2..210bc540 100644
--- a/src/control/Script6.cpp
+++ b/src/control/Script6.cpp
@@ -1696,7 +1696,7 @@ int8 CRunningScript::ProcessCommands1100To1199(int32 command)
 	{
 		int32* ptr = GetPointerToScriptVariable(&m_nIp, VAR_GLOBAL);
 		CollectParameters(&m_nIp, 1);
-		UpdateCompareFlag(*ptr == ScriptParams[0]);
+		UpdateCompareFlag(BSWAP32(*ptr) == ScriptParams[0]);
 		return 0;
 	}
 	case COMMAND_IS_INT_LVAR_EQUAL_TO_CONSTANT:
@@ -1786,7 +1786,7 @@ int8 CRunningScript::ProcessCommands1100To1199(int32 command)
 	{
 		int32* ptr = GetPointerToScriptVariable(&m_nIp, VAR_GLOBAL);
 		CollectParameters(&m_nIp, 1);
-		*ptr = ScriptParams[0];
+		*ptr = BSWAP32(ScriptParams[0]);
 		return 0;
 	}
 	case COMMAND_SET_LVAR_INT_TO_CONSTANT:
diff --git a/src/control/Script7.cpp b/src/control/Script7.cpp
index 34a364a7..5f8cc01e 100644
--- a/src/control/Script7.cpp
+++ b/src/control/Script7.cpp
@@ -38,7 +38,7 @@ int8 CRunningScript::ProcessCommands1200To1299(int32 command)
 	{
 		int32* ptr = GetPointerToScriptVariable(&m_nIp, VAR_GLOBAL);
 		CollectParameters(&m_nIp, 1);
-		UpdateCompareFlag(*ptr > ScriptParams[0]);
+		UpdateCompareFlag(BSWAP32(*ptr) > ScriptParams[0]);
 		return 0;
 	}
 	case COMMAND_IS_INT_LVAR_GREATER_THAN_CONSTANT:
@@ -52,7 +52,7 @@ int8 CRunningScript::ProcessCommands1200To1299(int32 command)
 	{
 		CollectParameters(&m_nIp, 1);
 		int32* ptr = GetPointerToScriptVariable(&m_nIp, VAR_GLOBAL);
-		UpdateCompareFlag(ScriptParams[0] > *ptr);
+		UpdateCompareFlag(ScriptParams[0] > BSWAP32(*ptr));
 		return 0;
 	}
 	case COMMAND_IS_CONSTANT_GREATER_THAN_INT_LVAR:
@@ -66,7 +66,7 @@ int8 CRunningScript::ProcessCommands1200To1299(int32 command)
 	{
 		int32* ptr = GetPointerToScriptVariable(&m_nIp, VAR_GLOBAL);
 		CollectParameters(&m_nIp, 1);
-		UpdateCompareFlag(*ptr >= ScriptParams[0]);
+		UpdateCompareFlag(BSWAP32(*ptr) >= ScriptParams[0]);
 		return 0;
 	}
 	case COMMAND_IS_INT_LVAR_GREATER_OR_EQUAL_TO_CONSTANT:
@@ -80,7 +80,7 @@ int8 CRunningScript::ProcessCommands1200To1299(int32 command)
 	{
 		CollectParameters(&m_nIp, 1);
 		int32* ptr = GetPointerToScriptVariable(&m_nIp, VAR_GLOBAL);
-		UpdateCompareFlag(ScriptParams[0] >= *ptr);
+		UpdateCompareFlag(ScriptParams[0] >= BSWAP32(*ptr));
 		return 0;
 	}
 	case COMMAND_IS_CONSTANT_GREATER_OR_EQUAL_TO_INT_LVAR:
diff --git a/src/core/FileLoader.cpp b/src/core/FileLoader.cpp
index eaf844ec..79f05640 100644
--- a/src/core/FileLoader.cpp
+++ b/src/core/FileLoader.cpp
@@ -230,8 +230,12 @@ CFileLoader::LoadCollisionFileFirstTime(uint8 *buffer, uint32 size, uint8 colSlo
 
 	while(size > 8){
 		header = (ColHeader*)buffer;
-		modelsize = header->size;
+		modelsize = BSWAP32(header->size);
+#ifdef BIGENDIAN
+		if(header->ident != 'COLL')
+#else
 		if(header->ident != 'LLOC')
+#endif
 			return size-8 < CDSTREAM_SECTOR_SIZE;
 		memcpy(modelname, buffer+8, 24);
 		memcpy(work_buff, buffer+32, modelsize-24);
@@ -264,8 +268,12 @@ CFileLoader::LoadCollisionFile(uint8 *buffer, uint32 size, uint8 colSlot)
 
 	while(size > 8){
 		header = (ColHeader*)buffer;
-		modelsize = header->size;
+		modelsize = BSWAP32(header->size);
+#ifdef BIGENDIAN
+		if(header->ident != 'COLL')
+#else
 		if(header->ident != 'LLOC')
+#endif
 			return size-8 < CDSTREAM_SECTOR_SIZE;
 		memcpy(modelname, buffer+8, 24);
 		memcpy(work_buff, buffer+32, modelsize-24);
diff --git a/src/rw/TexRead.cpp b/src/rw/TexRead.cpp
index 77fefa8f..1078cfbf 100644
--- a/src/rw/TexRead.cpp
+++ b/src/rw/TexRead.cpp
@@ -305,7 +305,7 @@ CanVideoCardDoDXT(void)
 {
 #ifdef LIBRW
 	// TODO
-#ifdef RW_OPENGL
+#if defined(RW_OPENGL) || defined(__WIIU__)
 	return false;
 #else
 	return true;
diff --git a/src/text/Text.cpp b/src/text/Text.cpp
index 0b551d30..240a94c2 100644
--- a/src/text/Text.cpp
+++ b/src/text/Text.cpp
@@ -214,6 +214,7 @@ CText::ReadChunkHeader(ChunkHeader *buf, int32 file, size_t *offset)
 	CFileMgr::Read(file, (char*)buf, sizeof(ChunkHeader));
 	*offset += sizeof(ChunkHeader);
 #endif
+	memLittle32(&buf->size);
 }
 
 void
@@ -464,6 +465,11 @@ CMissionTextOffsets::Load(size_t table_size, int file, size_t *offset, int)
 	CFileMgr::Read(file, (char*)data, sizeof(CMissionTextOffsets::Entry) * size);
 	*offset += sizeof(CMissionTextOffsets::Entry) * size;
 #endif
+#ifdef BIGENDIAN
+	for (uint16 i = 0; i < size; i++) {
+		memLittle32(&data[i].offset);
+	}
+#endif
 }
 
 char*