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[NTVDM]

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Initialize the VGA-related BDA data fields.


svn path=/trunk/; revision=63534
This commit is contained in:
Aleksandar Andrejevic 2014-06-02 18:24:58 +00:00
parent ec72c98352
commit a579b9e6b6
2 changed files with 6 additions and 1 deletions
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3
reactos/subsystems/ntvdm/bios/bios.h
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@ -76,7 +76,8 @@ typedef struct
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

4
reactos/subsystems/ntvdm/bios/vidbios.c
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@ -1572,6 +1572,10 @@ BOOLEAN VidBiosInitialize(VOID)
((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: