diff --git a/Source/Project64/N64 System/Mips/Memory Virtual Mem.cpp b/Source/Project64/N64 System/Mips/Memory Virtual Mem.cpp
index 96499ddee..a629148a8 100644
--- a/Source/Project64/N64 System/Mips/Memory Virtual Mem.cpp	
+++ b/Source/Project64/N64 System/Mips/Memory Virtual Mem.cpp	
@@ -50,24 +50,26 @@ void CMipsMemoryVM::Reset( bool /*EraseMemory*/ )
 {
 	if (m_TLB_ReadMap)
 	{
-		memset(m_TLB_ReadMap,0,(0xFFFFF * sizeof(DWORD)));
-		memset(m_TLB_WriteMap,0,(0xFFFFF * sizeof(DWORD)));
-		for (DWORD address = 0x80000000; address < 0xC0000000; address += 0x1000) 
+		size_t address;
+
+		memset(m_TLB_ReadMap , 0, 0xFFFFF * sizeof(size_t));
+		memset(m_TLB_WriteMap, 0, 0xFFFFF * sizeof(size_t));
+		for (address = 0x80000000; address < 0xC0000000; address += 0x1000)
 		{
-			m_TLB_ReadMap[address >> 12] = ((DWORD)m_RDRAM + (address & 0x1FFFFFFF)) - address;
-			m_TLB_WriteMap[address >> 12] = ((DWORD)m_RDRAM + (address & 0x1FFFFFFF)) - address;
+			m_TLB_ReadMap[address >> 12] = ((size_t)m_RDRAM + (address & 0x1FFFFFFF)) - address;
+			m_TLB_WriteMap[address >> 12] = ((size_t)m_RDRAM + (address & 0x1FFFFFFF)) - address;
 		}
 		
 		if (g_Settings->LoadDword(Rdb_TLB_VAddrStart) != 0)
 		{
-			DWORD Start = g_Settings->LoadDword(Rdb_TLB_VAddrStart); //0x7F000000;
-			DWORD Len   = g_Settings->LoadDword(Rdb_TLB_VAddrLen);   //0x01000000;
-			DWORD PAddr = g_Settings->LoadDword(Rdb_TLB_PAddrStart); //0x10034b30;
-			DWORD End   = Start + Len;
-			for (DWORD address = Start; address < End; address += 0x1000)
+			size_t Start = g_Settings->LoadDword(Rdb_TLB_VAddrStart); //0x7F000000;
+			size_t Len   = g_Settings->LoadDword(Rdb_TLB_VAddrLen);   //0x01000000;
+			size_t PAddr = g_Settings->LoadDword(Rdb_TLB_PAddrStart); //0x10034b30;
+			size_t End   = Start + Len;
+			for (address = Start; address < End; address += 0x1000)
 			{
-				m_TLB_ReadMap[address >> 12] = ((DWORD)m_RDRAM + (address - Start + PAddr)) - address;
-				m_TLB_WriteMap[address >> 12] = ((DWORD)m_RDRAM + (address - Start + PAddr)) - address;
+				m_TLB_ReadMap[address >> 12] = ((size_t)m_RDRAM + (address - Start + PAddr)) - address;
+				m_TLB_WriteMap[address >> 12] = ((size_t)m_RDRAM + (address - Start + PAddr)) - address;
 			}
 		}
 	}
@@ -164,18 +166,28 @@ bool CMipsMemoryVM::Initialize()
 	}
 	CPifRam::Reset();
 
-	m_TLB_ReadMap = (DWORD *)VirtualAlloc(NULL,0xFFFFF * sizeof(DWORD),MEM_RESERVE|MEM_COMMIT,PAGE_READWRITE);
+	m_TLB_ReadMap = (size_t *)VirtualAlloc(
+		NULL,
+		0xFFFFF * sizeof(size_t),
+		MEM_RESERVE | MEM_COMMIT,
+		PAGE_READWRITE
+	);
 	if (m_TLB_ReadMap == NULL) 
 	{
-		WriteTraceF(TraceError,__FUNCTION__": Failed to Allocate m_TLB_ReadMap (Size: 0x%X)",0xFFFFF * sizeof(DWORD));
+		WriteTraceF(TraceError,__FUNCTION__": Failed to Allocate m_TLB_ReadMap (Size: 0x%X)",0xFFFFF * sizeof(size_t));
 		FreeMemory();
 		return false;
 	}
 
-	m_TLB_WriteMap = (DWORD *)VirtualAlloc(NULL,0xFFFFF * sizeof(DWORD),MEM_RESERVE|MEM_COMMIT,PAGE_READWRITE);
+	m_TLB_WriteMap = (size_t *)VirtualAlloc(
+		NULL,
+		0xFFFFF * sizeof(size_t),
+		MEM_RESERVE | MEM_COMMIT,
+		PAGE_READWRITE
+	);
 	if (m_TLB_WriteMap == NULL) 
 	{
-		WriteTraceF(TraceError,__FUNCTION__": Failed to Allocate m_TLB_WriteMap (Size: 0x%X)",0xFFFFF * sizeof(DWORD));
+		WriteTraceF(TraceError,__FUNCTION__": Failed to Allocate m_TLB_WriteMap (Size: 0x%X)",0xFFFFF * sizeof(size_t));
 		FreeMemory();
 		return false;
 	}
@@ -5349,22 +5361,28 @@ LPCTSTR CMipsMemoryVM::LabelName ( DWORD Address ) const
 
 void CMipsMemoryVM::TLB_Mapped( DWORD VAddr, DWORD Len, DWORD PAddr, bool bReadOnly )
 {
-	for (DWORD count = VAddr, VEnd = VAddr + Len; count < VEnd; count += 0x1000)
+	size_t count, VEnd;
+
+	VEnd = VAddr + Len;
+	for (count = VAddr; count < VEnd; count += 0x1000)
 	{
-		DWORD Index = count >> 12;
-		m_TLB_ReadMap[Index] = ((DWORD)m_RDRAM + (count - VAddr + PAddr)) - count;
+		size_t Index = count >> 12;
+		m_TLB_ReadMap[Index] = ((size_t)m_RDRAM + (count - VAddr + PAddr)) - count;
 		if (!bReadOnly) 
 		{
-			m_TLB_WriteMap[Index] = ((DWORD)m_RDRAM + (count - VAddr + PAddr)) - count;
+			m_TLB_WriteMap[Index] = ((size_t)m_RDRAM + (count - VAddr + PAddr)) - count;
 		}
 	}
 }
 
 void CMipsMemoryVM::TLB_Unmaped( DWORD Vaddr, DWORD Len )
 {
-	for (DWORD count = Vaddr, End = Vaddr + Len; count < End; count += 0x1000) 
+	size_t count, End;
+
+	End = Vaddr + Len;
+	for (count = Vaddr; count < End; count += 0x1000)
 	{
-		DWORD Index = count >> 12;
+		size_t Index = count >> 12;
 		m_TLB_ReadMap[Index] = NULL;
 		m_TLB_WriteMap[Index] = NULL;
 	}
diff --git a/Source/Project64/N64 System/Mips/Memory Virtual Mem.h b/Source/Project64/N64 System/Mips/Memory Virtual Mem.h
index efd810e6b..4f11f477c 100644
--- a/Source/Project64/N64 System/Mips/Memory Virtual Mem.h	
+++ b/Source/Project64/N64 System/Mips/Memory Virtual Mem.h	
@@ -166,6 +166,6 @@ private:
 	mutable char m_strLabelName[100];
 
 	//BIG look up table to quickly translate the tlb to real mem address
-	DWORD * m_TLB_ReadMap;
-	DWORD * m_TLB_WriteMap;
+	size_t * m_TLB_ReadMap;
+	size_t * m_TLB_WriteMap;
 };