pcvideo.c File Reference

#include <freeldr.h>
#include <debug.h>
#include <pshpack2.h>
#include <poppack.h>

Go to the source code of this file.

Data Structures
struct	SVGA_MODE_INFORMATION
Defines
#define	NDEBUG
#define	VIDEOPORT_PALETTE_READ   0x03C7
#define	VIDEOPORT_PALETTE_WRITE   0x03C8
#define	VIDEOPORT_PALETTE_DATA   0x03C9
#define	VIDEOPORT_VERTICAL_RETRACE   0x03DA
#define	VIDEOVGA_MEM_ADDRESS   0xA0000
#define	VIDEOTEXT_MEM_ADDRESS   0xB8000
#define	VIDEOTEXT_MEM_SIZE   0x8000
#define	VIDEOCARD_CGA_OR_OTHER   0
#define	VIDEOCARD_EGA   1
#define	VIDEOCARD_VGA   2
#define	VIDEOMODE_NORMAL_TEXT   0
#define	VIDEOMODE_EXTENDED_TEXT   1
#define	VIDEOMODE_80X28   0x501C
#define	VIDEOMODE_80X30   0x501E
#define	VIDEOMODE_80X34   0x5022
#define	VIDEOMODE_80X43   0x502B
#define	VIDEOMODE_80X60   0x503C
#define	VIDEOMODE_132X25   0x8419
#define	VIDEOMODE_132X43   0x842B
#define	VIDEOMODE_132X50   0x8432
#define	VIDEOMODE_132X60   0x843C
#define	VERTRES_200_SCANLINES   0x00
#define	VERTRES_350_SCANLINES   0x01
#define	VERTRES_400_SCANLINES   0x02
Typedefs
typedef struct SVGA_MODE_INFORMATION *	PSVGA_MODE_INFORMATION
Functions
	DBG_DEFAULT_CHANNEL (UI)
static ULONG	PcVideoDetectVideoCard (VOID)
static VOID	PcVideoSetBiosMode (UCHAR VideoMode)
static VOID	PcVideoSetFont8x8 (VOID)
static VOID	PcVideoSetFont8x14 (VOID)
static VOID	PcVideoSelectAlternatePrintScreen (VOID)
static VOID	PcVideoDisableCursorEmulation (VOID)
static VOID	PcVideoDefineCursor (UCHAR StartScanLine, UCHAR EndScanLine)
static VOID	PcVideoSetVerticalResolution (UCHAR VerticalResolutionMode)
static VOID	PcVideoSet480ScanLines (VOID)
static VOID	PcVideoSetDisplayEnd (VOID)
static BOOLEAN	PcVideoVesaGetSVGAModeInformation (USHORT Mode, PSVGA_MODE_INFORMATION ModeInformation)
static BOOLEAN	PcVideoSetBiosVesaMode (USHORT Mode)
static BOOLEAN	PcVideoSetMode80x25 (VOID)
static BOOLEAN	PcVideoSetMode80x50_80x43 (VOID)
static BOOLEAN	PcVideoSetMode80x28 (VOID)
static BOOLEAN	PcVideoSetMode80x30 (VOID)
static BOOLEAN	PcVideoSetMode80x34 (VOID)
static BOOLEAN	PcVideoSetMode80x43 (VOID)
static BOOLEAN	PcVideoSetMode80x60 (VOID)
static BOOLEAN	PcVideoSetMode (USHORT NewMode)
static VOID	PcVideoSetBlinkBit (BOOLEAN Enable)
static VOID	PcVideoSetMemoryBank (USHORT BankNumber)
VIDEODISPLAYMODE	PcVideoSetDisplayMode (char *DisplayModeName, BOOLEAN Init)
VOID	PcVideoGetDisplaySize (PULONG Width, PULONG Height, PULONG Depth)
ULONG	PcVideoGetBufferSize (VOID)
VOID	PcVideoSetTextCursorPosition (UCHAR X, UCHAR Y)
VOID	PcVideoHideShowTextCursor (BOOLEAN Show)
VOID	PcVideoCopyOffScreenBufferToVRAM (PVOID Buffer)
VOID	PcVideoClearScreen (UCHAR Attr)
VOID	PcVideoPutChar (int Ch, UCHAR Attr, unsigned X, unsigned Y)
BOOLEAN	PcVideoIsPaletteFixed (VOID)
VOID	PcVideoSetPaletteColor (UCHAR Color, UCHAR Red, UCHAR Green, UCHAR Blue)
VOID	PcVideoGetPaletteColor (UCHAR Color, UCHAR *Red, UCHAR *Green, UCHAR *Blue)
VOID	PcVideoSync (VOID)
VOID	PcVideoPrepareForReactOS (IN BOOLEAN Setup)
Variables
static USHORT	BiosVideoMode
static ULONG	ScreenWidth = 80
static ULONG	ScreenHeight = 25
static ULONG	BytesPerScanLine = 160
static VIDEODISPLAYMODE	DisplayMode = VideoTextMode
static BOOLEAN	VesaVideoMode = FALSE
static SVGA_MODE_INFORMATION	VesaVideoModeInformation
static ULONG	CurrentMemoryBank = 0