18 	{ VIDEO_80x25,  80, 25, 0 },
19 	{ VIDEO_8POINT, 80, 50, 0 },
20 	{ VIDEO_80x43,  80, 43, 0 },
21 	{ VIDEO_80x28,  80, 28, 0 },
22 	{ VIDEO_80x30,  80, 30, 0 },
23 	{ VIDEO_80x34,  80, 34, 0 },
24 	{ VIDEO_80x60,  80, 60, 0 },
28 	{ VIDEO_80x25,  80, 25, 0 },
29 	{ VIDEO_8POINT, 80, 43, 0 },
33 	{ VIDEO_80x25,  80, 25, 0 },
47 	ireg.ax = 0x0f00;  in vga_set_basic_mode()
48 	intcall(0x10, &ireg, &oreg);  in vga_set_basic_mode()
55 	ireg.ax = mode;		/* AH=0: set mode */  in vga_set_basic_mode()
56 	intcall(0x10, &ireg, NULL);  in vga_set_basic_mode()
69 	ireg.ax = 0x1112;  in vga_set_8font()
70 	/* ireg.bl = 0; */  in vga_set_8font()
71 	intcall(0x10, &ireg, NULL);  in vga_set_8font()
74 	ireg.ax = 0x1200;  in vga_set_8font()
75 	ireg.bl = 0x20;  in vga_set_8font()
76 	intcall(0x10, &ireg, NULL);  in vga_set_8font()
79 	ireg.ax = 0x1201;  in vga_set_8font()
80 	ireg.bl = 0x34;  in vga_set_8font()
81 	intcall(0x10, &ireg, NULL);  in vga_set_8font()
84 	ireg.ax = 0x0100;  in vga_set_8font()
85 	ireg.cx = 0x0607;  in vga_set_8font()
86 	intcall(0x10, &ireg, NULL);  in vga_set_8font()
97 	ireg.ax = 0x1111;  in vga_set_14font()
98 	/* ireg.bl = 0; */  in vga_set_14font()
99 	intcall(0x10, &ireg, NULL);  in vga_set_14font()
102 	ireg.ax = 0x1201;  in vga_set_14font()
103 	ireg.bl = 0x34;  in vga_set_14font()
104 	intcall(0x10, &ireg, NULL);  in vga_set_14font()
107 	ireg.ax = 0x0100;  in vga_set_14font()
108 	ireg.cx = 0x0b0c;  in vga_set_14font()
109 	intcall(0x10, &ireg, NULL);  in vga_set_14font()
120 	ireg.ax = 0x1201;  in vga_set_80x43()
121 	ireg.bl = 0x30;  in vga_set_80x43()
122 	intcall(0x10, &ireg, NULL);  in vga_set_80x43()
125 	ireg.ax = 0x0003;  in vga_set_80x43()
126 	intcall(0x10, &ireg, NULL);  in vga_set_80x43()
134 	return (inb(0x3cc) & 1) ? 0x3d4 : 0x3b4;  in vga_crtc()
144 	out_idx(0x0c, crtc, 0x11); /* Vertical sync end, unlock CR0-7 */  in vga_set_480_scanlines()
145 	out_idx(0x0b, crtc, 0x06); /* Vertical total */  in vga_set_480_scanlines()
146 	out_idx(0x3e, crtc, 0x07); /* Vertical overflow */  in vga_set_480_scanlines()
147 	out_idx(0xea, crtc, 0x10); /* Vertical sync start */  in vga_set_480_scanlines()
148 	out_idx(0xdf, crtc, 0x12); /* Vertical display end */  in vga_set_480_scanlines()
149 	out_idx(0xe7, crtc, 0x15); /* Vertical blank start */  in vga_set_480_scanlines()
150 	out_idx(0x04, crtc, 0x16); /* Vertical blank end */  in vga_set_480_scanlines()
151 	csel = inb(0x3cc);  in vga_set_480_scanlines()
152 	csel &= 0x0d;  in vga_set_480_scanlines()
153 	csel |= 0xe2;  in vga_set_480_scanlines()
154 	outb(csel, 0x3c2);  in vga_set_480_scanlines()
165 	ovfw = 0x3c | ((end >> (8-1)) & 0x02) | ((end >> (9-6)) & 0x40);  in vga_set_vertical_end()
167 	out_idx(ovfw, crtc, 0x07); /* Vertical overflow */  in vga_set_vertical_end()
168 	out_idx(end,  crtc, 0x12); /* Vertical display end */  in vga_set_vertical_end()
223 	return 0;  in vga_set_mode()
251 	ireg.ax = 0x1200;  in vga_probe()
252 	ireg.bl = 0x10;		/* Check EGA/VGA */  in vga_probe()
253 	intcall(0x10, &ireg, &oreg);  in vga_probe()
259 	/* If we have MDA/CGA/HGC then BL will be unchanged at 0x10 */  in vga_probe()
260 	if (oreg.bl != 0x10) {  in vga_probe()
262 		ireg.ax = 0x1a00;  in vga_probe()
263 		intcall(0x10, &ireg, &oreg);  in vga_probe()
265 		if (oreg.al == 0x1a) {  in vga_probe()