windows-nt/Source/XPSP1/NT/drivers/video/ms/videosim/videosim.h

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2020-09-26 03:20:57 -05:00
/*++
Copyright (c) 1992-1994 Microsoft Corporation
Module Name:
videosim.h
Abstract:
definitions for the simulation driver.
Environment:
Kernel mode
Revision History:
--*/
//
// Define device extension structure. This is device dependant/private
// information.
//
typedef struct _HW_DEVICE_EXTENSION {
PVOID VideoRamBase;
ULONG VideoRamLength;
ULONG CurrentModeNumber;
PVOID SectionPointer;
PMDL Mdl;
} HW_DEVICE_EXTENSION, *PHW_DEVICE_EXTENSION;
#define ONE_MEG 0x100000
extern VIDEO_MODE_INFORMATION SimModes[];
extern ULONG SimNumModes;
extern ULONG bLoaded;