vgavideo.h File Reference

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Data Structures
struct	VideoMode
Defines
#define	SCREEN_X   640
#define	SCREEN_Y   480
#define	SCREEN_STRIDE   80
#define	VGA_NORMAL   0
#define	VGA_AND   8
#define	VGA_OR   16
#define	VGA_XOR   24
#define	MISC   0x3c2
#define	SEQ   0x3c4
#define	CRTC   0x3d4
#define	GRAPHICS   0x3ce
#define	FEATURE   0x3da
#define	ATTRIB   0x3c0
#define	STATUS   0x3da
#define	SEQ_I   0x3C4 /* Sequencer Index */
#define	SEQ_D   0x3C5 /* Sequencer Data Register */
#define	GRA_I   0x3CE /* Graphics Controller Index */
#define	GRA_D   0x3CF /* Graphics Controller Data Register */
#define	LowByte(w)   (*((unsigned char *)&(w) + 0))
#define	HighByte(w)   (*((unsigned char *)&(w) + 1))
#define	ASSIGNVP4(x, y, vp)   vp = vidmem /* VBUF */ + (((x) + (y)*SCREEN_X) >> 3);
#define	ASSIGNMK4(x, y, mask)   mask = 0x80 >> ((x) & 7);
#define	mod8(n)   ((n)&7)
#define	mod2(n)   ((n)&1)
Functions
VOID	vgaPreCalc (VOID)
VOID	vgaPutPixel (INT x, INT y, UCHAR c)
VOID	vgaPutByte (INT x, INT y, UCHAR c)
VOID	vgaGetByte (ULONG offset, UCHAR *b, UCHAR *g, UCHAR *r, UCHAR *i)
INT	vgaGetPixel (INT x, INT y)
BOOL	vgaHLine (INT x, INT y, INT len, UCHAR c)
BOOL	vgaVLine (INT x, INT y, INT len, UCHAR c)
INT __cdecl	abs (INT nm)
BOOL	VGADDIIntersectRect (PRECTL prcDst, PRECTL prcSrc1, PRECTL prcSrc2)
void	get_masks (int x, int w)
void	DIB_BltFromVGA (int x, int y, int w, int h, void *b, int Dest_lDelta)
void	DIB_BltToVGA (int x, int y, int w, int h, void *b, int Source_lDelta, int StartMod)
void	DIB_BltToVGAWithXlate (int x, int y, int w, int h, void *b, int Source_lDelta, XLATEOBJ *Xlate)
void	DIB_TransparentBltToVGA (int x, int y, int w, int h, void *b, int Source_lDelta, ULONG trans)
Variables
int	maskbit [640]
int	y80 [480]
int	xconv [640]
int	bit8 [640]
int	startmasks [8]
int	endmasks [8]
UCHAR	PreCalcReverseByte [256]
PBYTE	vidmem