reactos/subsystems/ntvdm/bios/vidbios.h
Hermès Bélusca-Maïto 7a52bcd33a [NTVDM]: Add a common helper to sync the BIOS cursor for the active display page, with VGA.
svn path=/branches/ntvdm/; revision=62409
2014-03-03 00:09:22 +00:00

50 lines
1.2 KiB
C

/*
* COPYRIGHT: GPL - See COPYING in the top level directory
* PROJECT: ReactOS Virtual DOS Machine
* FILE: vidbios.h
* PURPOSE: VDM Video BIOS Support Library
* PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
* Hermes Belusca-Maito (hermes.belusca@sfr.fr)
*/
#ifndef _VIDBIOS_H_
#define _VIDBIOS_H_
/* INCLUDES *******************************************************************/
#include "ntvdm.h"
/* DEFINES ********************************************************************/
#define BIOS_VIDEO_INTERRUPT 0x10
#define CONSOLE_FONT_HEIGHT 8
#define BIOS_DEFAULT_VIDEO_MODE 0x03
#define BIOS_MAX_PAGES 8
#define BIOS_MAX_VIDEO_MODE 0x13
#define DEFAULT_ATTRIBUTE 0x07
#define GRAPHICS_VIDEO_SEG 0xA000
#define TEXT_VIDEO_SEG 0xB800
enum
{
SCROLL_DIRECTION_UP,
SCROLL_DIRECTION_DOWN,
SCROLL_DIRECTION_LEFT,
SCROLL_DIRECTION_RIGHT
};
/* FUNCTIONS ******************************************************************/
VOID WINAPI VidBiosVideoService(LPWORD Stack);
VOID VidBiosSyncCursorPosition(VOID);
BOOLEAN VidBiosInitialize(VOID);
VOID VidBiosCleanup(VOID);
#endif // _VIDBIOS_H_
/* EOF */