1992/0502/pc/vga.c (diff list | history)

1992/0501/sys/src/9/pc/vga.c:22,29 – 1992/0502/sys/src/9/pc/vga.c:22,34 (short | long | prev | next)
1991/0730		/* * screen dimensions */
1992/0502		/*
1992/0430		#define MAXX 800 #define MAXY 600
1992/0502		*/ #define MAXX 640 #define MAXY 480
1991/0730		#define SCREENMEM (0xA0000 | KZERO)
1992/0501/sys/src/9/pc/vga.c:72,78 – 1992/0502/sys/src/9/pc/vga.c:77,83
1992/0414		VGAmode mode12 = { /* general */
1992/0423		0xe7, 0x00, /* 0x70, 0x04, these are read-only */
1992/0502		0xe7, 0x00,
1992/0414		/* sequence */ 0x03, 0x01, 0x0f, 0x00, 0x06, /* crt */
1992/0501/sys/src/9/pc/vga.c:90,106 – 1992/0502/sys/src/9/pc/vga.c:95,111
1992/0414		};
1992/0418
1992/0430		/*
1992/0501		* VESA standard (?) 800x600 display, 16 bit color
1992/0502		* VESA standard (?) 800x600 display, 16 bit color.
1992/0430		*/
1992/0501		VGAmode mode6a =
1992/0430		{ /* general */
1992/0501		0x2f, 0x00, /* 0x70, 0x04, these are read-only */
1992/0502		0xe3, 0x00, /* 0x70, 0x04, these are read-only */
1992/0430		/* sequence */ 0x03, 0x01, 0x0f, 0x00, 0x06, /* crt */
1992/0501		0x7f, 0x63, 0x64, 0x9d, 0x67, 0x92, 0x77, 0xf0, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1992/0502		0x7f, 0x63, 0x64, 0x02, 0x6a, 0x1d, 0x77, 0xf0, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60,
1992/0501		0x5d, 0x8f, 0x57, 0x32, 0x00, 0x5b, 0x74, 0xc3, 0xff,
1992/0430		/* graphics */
1992/0501/sys/src/9/pc/vga.c:205,214 – 1992/0502/sys/src/9/pc/vga.c:210,271
1991/0928
1992/0423		#ifdef VGATROUBLE
1991/0727		void
1992/0423		dumpmodes(VGAmode *v) {
1992/0502		getmode(VGAmode *v) {
1992/0423		int i;
1992/0502		v->general[0] = inb(0x3cc); v->general[1] = inb(0x3ca); for(i = 0; i < sizeof(v->sequencer); i++) { outb(SRX, i); v->sequencer[i] = inb(SR); } for(i = 0; i < sizeof(v->crt); i++) { outb(CRX, i); v->crt[i] = inb(CR); } for(i = 0; i < sizeof(v->graphics); i++) { outb(GRX, i); v->graphics[i] = inb(GR); } for(i = 0; i < sizeof(v->attribute); i++) { inb(0x3DA); outb(ARW, i | 0x20); v->attribute[i] = inb(ARR); } }
1992/0423
1992/0502		void printmode(VGAmode *v) { int i; print("general registers: %02x %02x\n", v->general[0], v->general[1]); print("sequence registers: "); for(i = 0; i < sizeof(v->sequencer); i++) { print(" %02x", v->sequencer[i]); } print("\nCRT registers: "); for(i = 0; i < sizeof(v->crt); i++) { print(" %02x", v->crt[i]); } print("\nGraphics registers: "); for(i = 0; i < sizeof(v->graphics); i++) { print(" %02x", v->graphics[i]); } print("\nAttribute registers: "); for(i = 0; i < sizeof(v->attribute); i++) { print(" %02x", v->attribute[i]); } print("\n"); } void dumpmodes(void) { VGAmode *v; int i;
1992/0423		print("general registers: %02x %02x %02x %02x\n", inb(0x3cc), inb(0x3ca), inb(0x3c2), inb(0x3da));
1992/0501/sys/src/9/pc/vga.c:236,243 – 1992/0502/sys/src/9/pc/vga.c:293,298
1992/0423		outb(ARW, i | 0x20); print(" %02x", inb(ARR)); }                  print("\nPEL Mask Register = %02x\n\n", inb(0x3c6)&0xff); } #endif
1992/0501/sys/src/9/pc/vga.c:247,252 – 1992/0502/sys/src/9/pc/vga.c:302,308
1991/0727		int i, j, k; int c;
1991/0730		ulong *l;
1992/0502		VGAmode v;
1991/0723
1992/0501		setmode(&mode12);
1991/0929