[aandrejevic] 60585: [SOFT386] Fix prefix handling.

Author: aandrejevic
Date: Tue Oct  8 23:03:56 2013
New Revision: 60585

URL: http://svn.reactos.org/svn/reactos?rev=60585&view=rev
Log:
[SOFT386]
Fix prefix handling.

Modified:
    branches/ntvdm/lib/soft386/opcodes.c

Modified: branches/ntvdm/lib/soft386/opcodes.c
URL: http://svn.reactos.org/svn/reactos/branches/ntvdm/lib/soft386/opcodes.c?rev=...
==============================================================================
--- branches/ntvdm/lib/soft386/opcodes.c	[iso-8859-1] (original)
+++ branches/ntvdm/lib/soft386/opcodes.c	[iso-8859-1] Tue Oct  8 23:03:56 2013
@@ -1152,12 +1152,13 @@
     /* Make sure this is the right instruction */
     ASSERT((Opcode & 0xF8) == 0xB8);

-    if (State->PrefixFlags == SOFT386_PREFIX_OPSIZE)
+    if (State->PrefixFlags & SOFT386_PREFIX_OPSIZE)
     {
         /* The OPSIZE prefix toggles the size */
         Size = !Size;
     }
-    else if (State->PrefixFlags != 0)
+
+    if (State->PrefixFlags & SOFT386_PREFIX_LOCK)
     {
         /* Invalid prefix */
         Soft386Exception(State, SOFT386_EXCEPTION_UD);