diff --git a/Core/Libraries/Source/WWVegas/WWDebug/wwmemlog.cpp b/Core/Libraries/Source/WWVegas/WWDebug/wwmemlog.cpp
index c3cd64c9e17..ea7aa211a0e 100644
--- a/Core/Libraries/Source/WWVegas/WWDebug/wwmemlog.cpp
+++ b/Core/Libraries/Source/WWVegas/WWDebug/wwmemlog.cpp
@@ -316,18 +316,24 @@ WWINLINE void Lock_Mem_Log_Mutex()
 	#define ts_lock _emit 0xF0
 	assert(((unsigned)&nFlag % 4) == 0);
 
-	__asm mov ebx, [nFlag]
-	__asm ts_lock
-	__asm bts dword ptr [ebx], 0
-	__asm jc The_Bit_Was_Previously_Set_So_Try_Again
+	__asm
+	{
+		mov ebx, [nFlag]
+		ts_lock
+		bts dword ptr [ebx], 0
+		jc The_Bit_Was_Previously_Set_So_Try_Again
+	}
 	return;
 
 	The_Bit_Was_Previously_Set_So_Try_Again:
 	ThreadClass::Switch_Thread();
-	__asm mov ebx, [nFlag]
-	__asm ts_lock
-	__asm bts dword ptr [ebx], 0
-	__asm jc  The_Bit_Was_Previously_Set_So_Try_Again
+	__asm
+	{
+		mov ebx, [nFlag]
+		ts_lock
+		bts dword ptr [ebx], 0
+		jc  The_Bit_Was_Previously_Set_So_Try_Again
+	}
 
 #endif
 }
diff --git a/Core/Libraries/Source/WWVegas/WWLib/mutex.h b/Core/Libraries/Source/WWVegas/WWLib/mutex.h
index a9c106ce196..ba49fe87264 100644
--- a/Core/Libraries/Source/WWVegas/WWLib/mutex.h
+++ b/Core/Libraries/Source/WWVegas/WWLib/mutex.h
@@ -160,19 +160,25 @@ class FastCriticalSectionClass
       // ASM statements because sometimes the jump
       // would be 1 byte off....
 
-		  __asm mov ebx, [nFlag]
-		  __asm ts_lock
-		  __asm bts dword ptr [ebx], 0
-		  __asm jnc BitSet
+		  __asm
+		  {
+		    mov ebx, [nFlag]
+		    ts_lock
+		    bts dword ptr [ebx], 0
+		    jnc BitSet
+		  }
       //__asm _emit 0x73
       //__asm _emit 0x0f
 
 		  The_Bit_Was_Previously_Set_So_Try_Again:
 		    ThreadClass::Switch_Thread();
-		  __asm mov ebx, [nFlag]
-		  __asm ts_lock
-		  __asm bts dword ptr [ebx], 0
-		  __asm jc  The_Bit_Was_Previously_Set_So_Try_Again
+		  __asm
+		  {
+		    mov ebx, [nFlag]
+		    ts_lock
+		    bts dword ptr [ebx], 0
+		    jc  The_Bit_Was_Previously_Set_So_Try_Again
+		  }
       //_asm _emit 0x72
       //_asm _emit 0xf1
 
diff --git a/Core/Libraries/Source/debug/debug_debug.cpp b/Core/Libraries/Source/debug/debug_debug.cpp
index e15d074b4ab..bfb50de1ba8 100644
--- a/Core/Libraries/Source/debug/debug_debug.cpp
+++ b/Core/Libraries/Source/debug/debug_debug.cpp
@@ -436,7 +436,10 @@ bool Debug::AssertDone()
           break;
         case IDRETRY:
 #if defined(_MSC_VER)
-          _asm int 0x03
+          _asm
+          {
+            int 0x03
+          }
 #elif defined(__GNUC__)
           __builtin_trap();
 #else
@@ -710,7 +713,10 @@ bool Debug::CrashDone(bool die)
             break;
           case IDRETRY:
 #if defined(_MSC_VER)
-            _asm int 0x03
+            _asm
+            {
+              int 0x03
+            }
 #elif defined(__GNUC__)
             __builtin_trap();
 #else
diff --git a/Core/Tools/WW3D/pluglib/wwmath.h b/Core/Tools/WW3D/pluglib/wwmath.h
index c8ca586da91..ef84d4a49c0 100644
--- a/Core/Tools/WW3D/pluglib/wwmath.h
+++ b/Core/Tools/WW3D/pluglib/wwmath.h
@@ -205,8 +205,11 @@ inline long WWMath::Float_To_Long	(float f)
 {
 #if defined(_MSC_VER) && defined(_M_IX86)
 	long retval;
-	__asm fld	dword ptr [f]
-	__asm fistp dword ptr [retval]
+	__asm
+	{
+		fld	dword ptr [f]
+		fistp dword ptr [retval]
+	}
 	return retval;
 #else
 	return (long) f;
@@ -217,8 +220,11 @@ inline long WWMath::Float_To_Long	(double f)
 {
 #if defined(_MSC_VER) && defined(_M_IX86)
 	long retval;
-	__asm fld	qword ptr [f]
-	__asm fistp dword ptr [retval]
+	__asm
+	{
+		fld	qword ptr [f]
+		fistp dword ptr [retval]
+	}
 	return retval;
 #else
 	return (long) f;