[aandrejevic] 70816: [NTVDM] VidBiosScrollWindow shouldn't corrupt the screen in non-alphanumeric modes. CORE-10877

Author: aandrejevic
Date: Mon Feb 29 04:14:55 2016
New Revision: 70816

URL: http://svn.reactos.org/svn/reactos?rev=70816&view=rev
Log:
[NTVDM]
VidBiosScrollWindow shouldn't corrupt the screen in non-alphanumeric modes.
CORE-10877


Modified:
    trunk/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c

Modified: trunk/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/mvdm/ntvdm/bios…
==============================================================================
--- trunk/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c	[iso-8859-1] (original)
+++ trunk/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c	[iso-8859-1] Mon Feb 29 04:14:55
2016
@@ -1991,6 +1991,13 @@
 
     WORD WindowWidth, WindowHeight;
 
+    /* TODO: This function doesn't work in non-alphanumeric modes yet */
+    if (Bda->VideoMode > 3)
+    {
+        DPRINT1("VidBiosScrollWindow: not implemented for mode 0%Xh\n",
Bda->VideoMode);
+        return FALSE;
+    }
+
     /* Fixup the rectangle if needed */
     Rectangle.Left   = min(max(Rectangle.Left  , 0), Bda->ScreenColumns - 1);
     Rectangle.Right  = min(max(Rectangle.Right , 0), Bda->ScreenColumns - 1);