[ros-diffs] [aandrejevic] 63534: [NTVDM] Initialize the VGA-related BDA data fields.

Author: aandrejevic
Date: Mon Jun  2 18:24:58 2014
New Revision: 63534

URL: http://svn.reactos.org/svn/reactos?rev=63534&view=rev
Log:
[NTVDM]
Initialize the VGA-related BDA data fields.


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

Modified: trunk/reactos/subsystems/ntvdm/bios/bios.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/bios/bios…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/bios/bios.h	[iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/bios/bios.h	[iso-8859-1] Mon Jun  2 18:24:58 2014
@@ -76,7 +76,8 @@
     WORD KeybdBufferEnd;                        // 0x82
     BYTE ScreenRows;                            // 0x84
     WORD CharacterHeight;                       // 0x85
-    BYTE EGAFlags[2];                           // 0x87
+    BYTE VGAOptions;                            // 0x87
+    BYTE VGASwitches;                           // 0x88
     BYTE VGAFlags[2];                           // 0x89
     DWORD Reserved3;                            // 0x8b
     BYTE Reserved4;                             // 0x8f

Modified: trunk/reactos/subsystems/ntvdm/bios/vidbios.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/bios/vidb…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/bios/vidbios.c	[iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/bios/vidbios.c	[iso-8859-1] Mon Jun  2 18:24:58 2014
@@ -1572,6 +1572,10 @@
     ((PULONG)BaseAddress)[0x43] = (ULONG)NULL;
     ((PULONG)BaseAddress)[0x44] = (ULONG)NULL;
 
+    /* Initialize the VGA BDA data */
+    Bda->VGAOptions = 0x30;     /* 256 KB Video RAM */
+    Bda->VGASwitches = 0x09;    /* High-resolution */
+
     //
     // FIXME: At the moment we always set a VGA mode. In the future,
     // we should set this mode **only** when: