[aandrejevic] 61160: [FAST486] Revert r61158, and fix the prefix issue correctly, but resetting the flags again after the call to Fast486InterruptInternal.

Author: aandrejevic
Date: Sat Nov 30 23:45:59 2013
New Revision: 61160

URL: http://svn.reactos.org/svn/reactos?rev=61160&view=rev
Log:
[FAST486]
Revert r61158, and fix the prefix issue correctly, but resetting the flags
again after the call to Fast486InterruptInternal.

Modified:
    branches/ntvdm/lib/fast486/fast486.c

Modified: branches/ntvdm/lib/fast486/fast486.c
URL: http://svn.reactos.org/svn/reactos/branches/ntvdm/lib/fast486/fast486.c?rev=...
==============================================================================
--- branches/ntvdm/lib/fast486/fast486.c	[iso-8859-1] (original)
+++ branches/ntvdm/lib/fast486/fast486.c	[iso-8859-1] Sat Nov 30 23:45:59 2013
@@ -84,6 +84,9 @@
             continue;
         }

+        /* A non-prefix opcode has been executed, reset the prefix flags */
+        State->PrefixFlags = 0;
+
         /*
          * Check if there is an interrupt to execute, or a hardware interrupt signal
          * while interrupts are enabled.
@@ -100,6 +103,9 @@
                                          IdtEntry.Selector,
                                          MAKELONG(IdtEntry.Offset, IdtEntry.OffsetHigh),
                                          IdtEntry.Type);
+
+                /* Restore the prefix flags, which would be set to OPSIZE for 32-bit real mode */
+                State->PrefixFlags = 0;
             }

/* Clear the interrupt status */
@@ -115,9 +121,6 @@
             /* Set the interrupt status to execute on the next instruction */
             State->IntStatus = FAST486_INT_EXECUTE;
         }
-
-        /* A non-prefix opcode has been executed, reset the prefix flags */
-        State->PrefixFlags = 0;
     }
     while ((Command == FAST486_CONTINUE)
            || (Command == FAST486_STEP_OVER && ProcedureCallCount > 0)