1997/1101/pc/screen.h (diff list | history)

pc/screen.h on 1997/1101
1997/1101		typedef struct Cursorinfo Cursorinfo; struct Cursorinfo {
1994/0414		Cursor; Lock; };
1997/1101		/* devmouse.c */ extern void mousetrack(int, int, int); extern Point mousexy(void);
1997/0327
1997/1101		extern void mouseaccelerate(char*); extern int m3mouseputc(void*, int); extern int mouseputc(void*, int); extern int mouseswap; extern Cursorinfo cursor; /* mouse.c */ extern void mousectl(char*); /* screen.c */ extern void flushmemscreen(Rectangle); extern int cursoron(int); extern void cursoroff(int); extern void setcursor(Cursor*);
1997/0327		/*
1997/1101		* Generic VGA registers.
1997/0327		*/
1997/1101		enum { MiscW = 0x03C2, /* Miscellaneous Output (W) */ MiscR = 0x03CC, /* Miscellaneous Output (R) */ Status0 = 0x03C2, /* Input status 0 (R) */ Status1 = 0x03DA, /* Input Status 1 (R) */ FeatureR = 0x03CA, /* Feature Control (R) */ FeatureW = 0x03DA, /* Feature Control (W) */ Seqx = 0x03C4, /* Sequencer Index, Data at Seqx+1 */ Crtx = 0x03D4, /* CRT Controller Index, Data at Crtx+1 */ Grx = 0x03CE, /* Graphics Controller Index, Data at Grx+1 */ Attrx = 0x03C0, /* Attribute Controller Index and Data */ PaddrW = 0x03C8, /* Palette Address Register, write */ Pdata = 0x03C9, /* Palette Data Register */ Pixmask = 0x03C6, /* Pixel Mask Register */ PaddrR = 0x03C7, /* Palette Address Register, read */ Pstatus = 0x03C7, /* DAC Status (RO) */ Pcolours = 256, /* Palette */ Pred = 0, Pgreen = 1, Pblue = 2, Pblack = 0x00, Pwhite = 0xFF,
1997/0327		};
1997/1101		#define vgai(port) inb(port) #define vgao(port, data) outb(port, data)
1997/0327
1997/1101		extern int vgaxi(long, uchar); extern int vgaxo(long, uchar, uchar); /* */ typedef struct VGAdev VGAdev; typedef struct VGAcur VGAcur; typedef struct VGAscr VGAscr; struct VGAdev { char* name; void (*enable)(VGAscr*); void (*disable)(VGAscr*); void (*page)(VGAscr*, int); ulong (*linear)(VGAscr*, int*, int*); }; struct VGAcur { char* name; void (*enable)(VGAscr*); void (*disable)(VGAscr*); void (*load)(VGAscr*, Cursor*); int (*move)(VGAscr*, Point); }; /* */ struct VGAscr { Lock devlock; VGAdev* dev; VGAcur* cur; ulong storage; Cursor; int useflush; ulong aperture; /* physical address */ int isupamem; int apsize; ulong colormap[Pcolours][3]; Memimage* gscreen; Memdata* gscreendata; Memsubfont* memdefont; }; extern VGAscr vgascreen[]; enum { Backgnd = Pwhite, };