1992/0528/pc/vga.c (diff list | history)

1992/0527/sys/src/9/pc/vga.c:8,13 – 1992/0528/sys/src/9/pc/vga.c:8,14 (short | long | prev | next)
1991/0730		#include <libg.h> #include <gnot.h> #include "screen.h"
1992/0528		#include "vga.h"
1991/0730		#define MINX 8
1992/0527/sys/src/9/pc/vga.c:42,66 – 1992/0528/sys/src/9/pc/vga.c:43,48
1991/0730		0 };
1991/0723		enum {
1991/1112		EMISCR= 0x3CC, /* control sync polarity */ EMISCW= 0x3C2, EFCW= 0x3DA, /* feature control */ EFCR= 0x3CA,
1991/0723		GRX= 0x3CE, /* index to graphics registers */
1991/0727		GR= 0x3CF, /* graphics registers */ Grms= 0x04, /* read map select register */
1991/0724		SRX= 0x3C4, /* index to sequence registers */
1991/0727		SR= 0x3C5, /* sequence registers */ Smmask= 0x02, /* map mask */ CRX= 0x3D4, /* index to crt registers */ CR= 0x3D5, /* crt registers */
1991/1109		Cvre= 0x11, /* vertical retrace end */
1991/1211		ARW= 0x3C0, /* attribute registers (writing) */ ARR= 0x3C1, /* attribute registers (reading) */
1991/0723		};
1991/1113		typedef struct VGAmode VGAmode; struct VGAmode {
1992/0527/sys/src/9/pc/vga.c:128,136 – 1992/0528/sys/src/9/pc/vga.c:110,115
1991/1113		void
1991/0724		srout(int reg, int val) {
1992/0414		/* * needed or the screen goes blank on an ultra VGA card */
1991/0724		outb(SRX, reg); outb(SR, val); }