vidcontrol.c revision 92460 
1/*-
2 * Copyright (c) 1994-1996 S�ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer,
10 *    in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software withough specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef lint
30static const char rcsid[] =
31  "$FreeBSD: head/usr.sbin/vidcontrol/vidcontrol.c 92460 2002-03-16 23:35:51Z sobomax $";
32#endif /* not lint */
33
34#include <ctype.h>
35#include <err.h>
36#include <limits.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <string.h>
40#include <unistd.h>
41#include <sys/fbio.h>
42#include <sys/consio.h>
43#include <sys/errno.h>
44#include <sys/types.h>
45#include <sys/stat.h>
46#include "path.h"
47#include "decode.h"
48
49#define _VESA_800x600_DFL_COLS 80
50#define _VESA_800x600_DFL_ROWS 25
51#define _VESA_800x600_DFL_FNSZ 16
52
53#define DUMP_RAW	0
54#define DUMP_TXT	1
55
56#define DUMP_FMT_REV	1
57
58char 	legal_colors[16][16] = {
59	"black", "blue", "green", "cyan",
60	"red", "magenta", "brown", "white",
61	"grey", "lightblue", "lightgreen", "lightcyan",
62	"lightred", "lightmagenta", "yellow", "lightwhite"
63};
64int 	hex = 0;
65int 	number;
66int	vesa_cols = _VESA_800x600_DFL_COLS;
67int	vesa_rows = _VESA_800x600_DFL_ROWS;
68char 	letter;
69struct 	vid_info info;
70
71
72static void
73usage()
74{
75	fprintf(stderr, "%s\n%s\n%s\n%s\n",
76"usage: vidcontrol [-CdLPpx] [-b color] [-c appearance] [-f [size] file]",
77"                  [-g geometry] [-h size] [-i adapter | mode] [-l screen_map]",
78"                  [-m on | off] [-M char] [-r foreground background] [-s num]",
79"                  [-t N | off] [mode] [foreground [background]] [show]");
80	exit(1);
81}
82
83char *
84nextarg(int ac, char **av, int *indp, int oc, int strict)
85{
86	if (*indp < ac)
87		return(av[(*indp)++]);
88	if (strict != 0)
89		errx(1, "option requires two arguments -- %c", oc);
90	return(NULL);
91}
92
93FILE *
94openguess(char *a[], char *b[], char *c[], char *d[], char **name)
95{
96	FILE *f;
97	int i, j, k, l;
98
99	for (i = 0; a[i] != NULL; i++) {
100		for (j = 0; b[j] != NULL; j++) {
101			for (k = 0; c[k] != NULL; k++) {
102				for (l = 0; d[l] != NULL; l++) {
103					asprintf(name, "%s%s%s%s", a[i], b[j],
104					    c[k], d[l]);
105					f = fopen(*name, "r");
106					if (f != NULL)
107						return (f);
108					free(*name);
109				}
110			}
111		}
112	}
113	return (NULL);
114}
115
116void
117load_scrnmap(char *filename)
118{
119	FILE *fd;
120	int size;
121	char *name;
122	scrmap_t scrnmap;
123	char *a[] = {"", SCRNMAP_PATH, NULL};
124	char *b[] = {filename, NULL};
125	char *c[] = {"", ".scm", NULL};
126	char *d[] = {"", NULL};
127
128	fd = openguess(a, b, c, d, &name);
129	if (fd == NULL) {
130		warn("screenmap file not found");
131		return;
132	}
133	size = sizeof(scrnmap);
134	if (decode(fd, (char *)&scrnmap, size) != size) {
135		rewind(fd);
136		if (fread(&scrnmap, 1, size, fd) != size) {
137			warnx("bad screenmap file");
138			fclose(fd);
139			return;
140		}
141	}
142	if (ioctl(0, PIO_SCRNMAP, &scrnmap) < 0)
143		warn("can't load screenmap");
144	fclose(fd);
145}
146
147void
148load_default_scrnmap()
149{
150	scrmap_t scrnmap;
151	int i;
152
153	for (i=0; i<256; i++)
154		*((char*)&scrnmap + i) = i;
155	if (ioctl(0, PIO_SCRNMAP, &scrnmap) < 0)
156		warn("can't load default screenmap");
157}
158
159void
160print_scrnmap()
161{
162	unsigned char map[256];
163	int i;
164
165	if (ioctl(0, GIO_SCRNMAP, &map) < 0) {
166		warn("getting screenmap");
167		return;
168	}
169	for (i=0; i<sizeof(map); i++) {
170		if (i > 0 && i % 16 == 0)
171			fprintf(stdout, "\n");
172		if (hex)
173			fprintf(stdout, " %02x", map[i]);
174		else
175			fprintf(stdout, " %03d", map[i]);
176	}
177	fprintf(stdout, "\n");
178
179}
180
181int
182fsize(FILE *file)
183{
184	struct stat sb;
185
186	if (fstat(fileno(file), &sb) == 0)
187		return sb.st_size;
188	else
189		return -1;
190}
191
192#define DATASIZE(x) ((x).w * (x).h * 256 / 8)
193
194void
195load_font(char *type, char *filename)
196{
197	FILE	*fd;
198	int	h, i, size, w;
199	unsigned long io = 0;	/* silence stupid gcc(1) in the Wall mode */
200	char	*name, *fontmap, size_sufx[6];
201	char	*a[] = {"", FONT_PATH, NULL};
202	char	*b[] = {filename, NULL};
203	char	*c[] = {"", size_sufx, NULL};
204	char	*d[] = {"", ".fnt", NULL};
205	vid_info_t info;
206
207	struct sizeinfo {
208		int w;
209		int h;
210		unsigned long io;
211	} sizes[] = {{8, 16, PIO_FONT8x16},
212		     {8, 14, PIO_FONT8x14},
213		     {8,  8,  PIO_FONT8x8},
214		     {0,  0,            0}};
215
216	info.size = sizeof(info);
217	if (ioctl(0, CONS_GETINFO, &info) == -1) {
218		warn("failed to obtain current video mode parameters");
219		return;
220	}
221	snprintf(size_sufx, sizeof(size_sufx), "-8x%d", info.font_size);
222	fd = openguess(a, b, c, d, &name);
223	if (fd == NULL) {
224		warn("%s: can't load font file", filename);
225		return;
226	}
227	if (type != NULL) {
228		size = 0;
229		if (sscanf(type, "%dx%d", &w, &h) == 2)
230			for (i = 0; sizes[i].w != 0; i++)
231				if (sizes[i].w == w && sizes[i].h == h) {
232					size = DATASIZE(sizes[i]);
233					io = sizes[i].io;
234				}
235
236		if (size == 0) {
237			warnx("%s: bad font size specification", type);
238			fclose(fd);
239			return;
240		}
241	} else {
242		/* Apply heuristics */
243		int j;
244		int dsize[2];
245
246		size = DATASIZE(sizes[0]);
247		fontmap = (char*) malloc(size);
248		dsize[0] = decode(fd, fontmap, size);
249		dsize[1] = fsize(fd);
250		free(fontmap);
251
252		size = 0;
253		for (j = 0; j < 2; j++)
254			for (i = 0; sizes[i].w != 0; i++)
255				if (DATASIZE(sizes[i]) == dsize[j]) {
256					size = dsize[j];
257					io = sizes[i].io;
258					j = 2;	/* XXX */
259					break;
260				}
261
262		if (size == 0) {
263			warnx("%s: can't guess font size", filename);
264			fclose(fd);
265			return;
266		}
267		rewind(fd);
268	}
269
270	fontmap = (char*) malloc(size);
271	if (decode(fd, fontmap, size) != size) {
272		rewind(fd);
273		if (fsize(fd) != size || fread(fontmap, 1, size, fd) != size) {
274			warnx("%s: bad font file", filename);
275			fclose(fd);
276			free(fontmap);
277			return;
278		}
279	}
280	if (ioctl(0, io, fontmap) < 0)
281		warn("can't load font");
282	fclose(fd);
283	free(fontmap);
284}
285
286void
287set_screensaver_timeout(char *arg)
288{
289	int nsec;
290
291	if (!strcmp(arg, "off"))
292		nsec = 0;
293	else {
294		nsec = atoi(arg);
295		if ((*arg == '\0') || (nsec < 1)) {
296			warnx("argument must be a positive number");
297			return;
298		}
299	}
300	if (ioctl(0, CONS_BLANKTIME, &nsec) == -1)
301		warn("setting screensaver period");
302}
303
304void
305set_cursor_type(char *appearence)
306{
307	int type;
308
309	if (!strcmp(appearence, "normal"))
310		type = 0;
311	else if (!strcmp(appearence, "blink"))
312		type = 1;
313	else if (!strcmp(appearence, "destructive"))
314		type = 3;
315	else {
316		warnx("argument to -c must be normal, blink or destructive");
317		return;
318	}
319	ioctl(0, CONS_CURSORTYPE, &type);
320}
321
322void
323video_mode(int argc, char **argv, int *index)
324{
325	static struct {
326		char *name;
327		unsigned long mode;
328	} modes[] = {
329		{ "80x25",		SW_TEXT_80x25 },
330		{ "80x30",		SW_TEXT_80x30 },
331		{ "80x43",		SW_TEXT_80x43 },
332		{ "80x50",		SW_TEXT_80x50 },
333		{ "80x60",		SW_TEXT_80x60 },
334		{ "132x25",		SW_TEXT_132x25 },
335		{ "132x30",		SW_TEXT_132x30 },
336		{ "132x43",		SW_TEXT_132x43 },
337		{ "132x50",		SW_TEXT_132x50 },
338		{ "132x60",		SW_TEXT_132x60 },
339		{ "VGA_40x25",		SW_VGA_C40x25 },
340		{ "VGA_80x25",		SW_VGA_C80x25 },
341		{ "VGA_80x30",		SW_VGA_C80x30 },
342		{ "VGA_80x50",		SW_VGA_C80x50 },
343		{ "VGA_80x60",		SW_VGA_C80x60 },
344#ifdef SW_VGA_C90x25
345		{ "VGA_90x25",		SW_VGA_C90x25 },
346		{ "VGA_90x30",		SW_VGA_C90x30 },
347		{ "VGA_90x43",		SW_VGA_C90x43 },
348		{ "VGA_90x50",		SW_VGA_C90x50 },
349		{ "VGA_90x60",		SW_VGA_C90x60 },
350#endif
351		{ "VGA_320x200",	SW_VGA_CG320 },
352		{ "EGA_80x25",		SW_ENH_C80x25 },
353		{ "EGA_80x43",		SW_ENH_C80x43 },
354		{ "VESA_132x25",	SW_VESA_C132x25 },
355		{ "VESA_132x43",	SW_VESA_C132x43 },
356		{ "VESA_132x50",	SW_VESA_C132x50 },
357		{ "VESA_132x60",	SW_VESA_C132x60 },
358		{ "VESA_800x600",	SW_VESA_800x600 },
359		{ NULL },
360	};
361	unsigned long mode = 0;
362	int cur_mode;
363	int ioerr;
364	int size[3];
365	int i;
366
367	if (ioctl(0, CONS_GET, &cur_mode) < 0)
368		err(1, "cannot get the current video mode");
369	if (*index < argc) {
370		for (i = 0; modes[i].name != NULL; ++i) {
371			if (!strcmp(argv[*index], modes[i].name)) {
372				mode = modes[i].mode;
373				break;
374			}
375		}
376		if (modes[i].name == NULL)
377			return;
378		if (ioctl(0, mode, NULL) < 0)
379			warn("cannot set videomode");
380		if (mode == SW_VESA_800x600) {
381			/* columns */
382			if ((vesa_cols * 8 > 800) || (vesa_cols <= 0)) {
383				warnx("incorrect number of columns: %d",
384				      vesa_cols);
385				size[0] = _VESA_800x600_DFL_COLS;
386			} else {
387				size[0] = vesa_cols;
388			}
389			/* rows */
390			if ((vesa_rows * _VESA_800x600_DFL_FNSZ > 600) ||
391			    (vesa_rows <=0)) {
392				warnx("incorrect number of rows: %d",
393				      vesa_rows);
394				size[1] = _VESA_800x600_DFL_ROWS;
395			} else {
396				size[1] = vesa_rows;
397			}
398			/* font size */
399			size[2] = _VESA_800x600_DFL_FNSZ;
400			if (ioctl(0, KDRASTER, size)) {
401				ioerr = errno;
402				if (cur_mode >= M_VESA_BASE)
403					ioctl(0,
404					    _IO('V', cur_mode - M_VESA_BASE),
405					    NULL);
406				else
407					ioctl(0, _IO('S', cur_mode), NULL);
408				warnc(ioerr, "cannot activate raster display");
409			}
410		}
411		(*index)++;
412	}
413	return;
414}
415
416int
417get_color_number(char *color)
418{
419	int i;
420
421	for (i=0; i<16; i++)
422		if (!strcmp(color, legal_colors[i]))
423			return i;
424	return -1;
425}
426
427void
428set_normal_colors(int argc, char **argv, int *index)
429{
430	int color;
431
432	if (*index < argc && (color = get_color_number(argv[*index])) != -1) {
433		(*index)++;
434		fprintf(stderr, "[=%dF", color);
435		if (*index < argc
436		    && (color = get_color_number(argv[*index])) != -1
437		    && color < 8) {
438			(*index)++;
439			fprintf(stderr, "[=%dG", color);
440		}
441	}
442}
443
444void
445set_reverse_colors(int argc, char **argv, int *index)
446{
447	int color;
448
449	if ((color = get_color_number(argv[*(index)-1])) != -1) {
450		fprintf(stderr, "[=%dH", color);
451		if (*index < argc
452		    && (color = get_color_number(argv[*index])) != -1
453		    && color < 8) {
454			(*index)++;
455			fprintf(stderr, "[=%dI", color);
456		}
457	}
458}
459
460void
461set_console(char *arg)
462{
463	int n;
464
465	if( !arg || strspn(arg,"0123456789") != strlen(arg)) {
466		warnx("bad console number");
467		return;
468	}
469
470	n = atoi(arg);
471	if (n < 1 || n > 16) {
472		warnx("console number out of range");
473	} else if (ioctl(0, VT_ACTIVATE, (caddr_t) (long) n) == -1)
474		warn("ioctl(VT_ACTIVATE)");
475}
476
477void
478set_border_color(char *arg)
479{
480	int color;
481
482	if ((color = get_color_number(arg)) != -1) {
483		fprintf(stderr, "[=%dA", color);
484	}
485	else
486		usage();
487}
488
489void
490set_mouse_char(char *arg)
491{
492	struct mouse_info mouse;
493	long l;
494
495	l = strtol(arg, NULL, 0);
496	if ((l < 0) || (l > UCHAR_MAX - 3)) {
497		warnx("argument to -M must be 0 through %d", UCHAR_MAX - 3);
498		return;
499	}
500	mouse.operation = MOUSE_MOUSECHAR;
501	mouse.u.mouse_char = (int)l;
502	ioctl(0, CONS_MOUSECTL, &mouse);
503}
504
505void
506set_mouse(char *arg)
507{
508	struct mouse_info mouse;
509
510	if (!strcmp(arg, "on"))
511		mouse.operation = MOUSE_SHOW;
512	else if (!strcmp(arg, "off"))
513		mouse.operation = MOUSE_HIDE;
514	else {
515		warnx("argument to -m must either on or off");
516		return;
517	}
518	ioctl(0, CONS_MOUSECTL, &mouse);
519}
520
521static char
522*adapter_name(int type)
523{
524    static struct {
525	int type;
526	char *name;
527    } names[] = {
528	{ KD_MONO,	"MDA" },
529	{ KD_HERCULES,	"Hercules" },
530	{ KD_CGA,	"CGA" },
531	{ KD_EGA,	"EGA" },
532	{ KD_VGA,	"VGA" },
533	{ KD_PC98,	"PC-98xx" },
534	{ KD_TGA,	"TGA" },
535	{ -1,		"Unknown" },
536    };
537    int i;
538
539    for (i = 0; names[i].type != -1; ++i)
540	if (names[i].type == type)
541	    break;
542    return names[i].name;
543}
544
545void
546show_adapter_info(void)
547{
548	struct video_adapter_info ad;
549
550	ad.va_index = 0;
551	if (ioctl(0, CONS_ADPINFO, &ad)) {
552		warn("failed to obtain adapter information");
553		return;
554	}
555
556	printf("fb%d:\n", ad.va_index);
557	printf("    %.*s%d, type:%s%s (%d), flags:0x%x\n",
558	       (int)sizeof(ad.va_name), ad.va_name, ad.va_unit,
559	       (ad.va_flags & V_ADP_VESA) ? "VESA " : "",
560	       adapter_name(ad.va_type), ad.va_type, ad.va_flags);
561	printf("    initial mode:%d, current mode:%d, BIOS mode:%d\n",
562	       ad.va_initial_mode, ad.va_mode, ad.va_initial_bios_mode);
563	printf("    frame buffer window:0x%x, buffer size:0x%x\n",
564	       ad.va_window, ad.va_buffer_size);
565	printf("    window size:0x%x, origin:0x%x\n",
566	       ad.va_window_size, ad.va_window_orig);
567	printf("    display start address (%d, %d), scan line width:%d\n",
568	       ad.va_disp_start.x, ad.va_disp_start.y, ad.va_line_width);
569	printf("    reserved:0x%x\n", ad.va_unused0);
570}
571
572void
573show_mode_info(void)
574{
575	struct video_info info;
576	char buf[80];
577	int mode;
578	int c;
579
580	printf("    mode#     flags   type    size       "
581	       "font      window      linear buffer\n");
582	printf("---------------------------------------"
583	       "---------------------------------------\n");
584	for (mode = 0; mode < M_VESA_MODE_MAX; ++mode) {
585		info.vi_mode = mode;
586		if (ioctl(0, CONS_MODEINFO, &info))
587			continue;
588		if (info.vi_mode != mode)
589			continue;
590
591		printf("%3d (0x%03x)", mode, mode);
592    		printf(" 0x%08x", info.vi_flags);
593		if (info.vi_flags & V_INFO_GRAPHICS) {
594			c = 'G';
595			snprintf(buf, sizeof(buf), "%dx%dx%d %d",
596				 info.vi_width, info.vi_height,
597				 info.vi_depth, info.vi_planes);
598		} else {
599			c = 'T';
600			snprintf(buf, sizeof(buf), "%dx%d",
601				 info.vi_width, info.vi_height);
602		}
603		printf(" %c %-15s", c, buf);
604		snprintf(buf, sizeof(buf), "%dx%d",
605			 info.vi_cwidth, info.vi_cheight);
606		printf(" %-5s", buf);
607    		printf(" 0x%05x %2dk %2dk",
608		       info.vi_window, (int)info.vi_window_size/1024,
609		       (int)info.vi_window_gran/1024);
610    		printf(" 0x%08x %dk\n",
611		       info.vi_buffer, (int)info.vi_buffer_size/1024);
612	}
613}
614
615void
616show_info(char *arg)
617{
618	if (!strcmp(arg, "adapter"))
619		show_adapter_info();
620	else if (!strcmp(arg, "mode"))
621		show_mode_info();
622	else {
623		warnx("argument to -i must either adapter or mode");
624		return;
625	}
626}
627
628void
629test_frame()
630{
631	int i;
632
633	fprintf(stdout, "[=0G\n\n");
634	for (i=0; i<8; i++) {
635		fprintf(stdout, "[=15F[=0G        %2d [=%dF%-16s"
636				"[=15F[=0G        %2d [=%dF%-16s        "
637				"[=15F %2d [=%dGBACKGROUND[=0G\n",
638			i, i, legal_colors[i], i+8, i+8,
639			legal_colors[i+8], i, i);
640	}
641	fprintf(stdout, "[=%dF[=%dG[=%dH[=%dI\n",
642		info.mv_norm.fore, info.mv_norm.back,
643		info.mv_rev.fore, info.mv_rev.back);
644}
645
646/*
647 * Snapshot the video memory of that terminal, using the CONS_SCRSHOT
648 * ioctl, and writes the results to stdout either in the special
649 * binary format (see manual page for details), or in the plain
650 * text format.
651 */
652void
653dump_screen(int mode)
654{
655	scrshot_t shot;
656	vid_info_t info;
657
658	info.size = sizeof(info);
659	if (ioctl(0, CONS_GETINFO, &info) == -1) {
660		warn("failed to obtain current video mode parameters");
661		return;
662	}
663
664	shot.buf = alloca(info.mv_csz * info.mv_rsz * sizeof(u_int16_t));
665	if (shot.buf == NULL) {
666		warn("failed to allocate memory for dump");
667		return;
668	}
669
670	shot.xsize = info.mv_csz;
671	shot.ysize = info.mv_rsz;
672	if (ioctl(0, CONS_SCRSHOT, &shot) == -1) {
673		warn("failed to get dump of the screen");
674		return;
675	}
676
677	if (mode == DUMP_RAW) {
678		printf("SCRSHOT_%c%c%c%c", DUMP_FMT_REV, 2,
679		       shot.xsize, shot.ysize);
680		fflush(stdout);
681
682		(void)write(STDOUT_FILENO, shot.buf,
683			    shot.xsize * shot.ysize * sizeof(u_int16_t));
684	} else {
685		char *line;
686		int x, y;
687		u_int16_t ch;
688
689		line = alloca(shot.xsize + 1);
690		if (line == NULL) {
691			warn("failed to allocate memory for line buffer");
692			return;
693		}
694
695		for (y = 0; y < shot.ysize; y++) {
696			for (x = 0; x < shot.xsize; x++) {
697				ch = shot.buf[x + (y * shot.xsize)];
698				ch &= 0xff;
699				if (isprint(ch) == 0)
700					ch = ' ';
701				line[x] = (char)ch;
702			}
703
704			/* Trim trailing spaces */
705			do {
706				line[x--] = '\0';
707			} while (line[x] == ' ' && x != 0);
708
709			puts(line);
710		}
711		fflush(stdout);
712	}
713
714	return;
715}
716
717void
718set_history(char *opt)
719{
720	int size;
721
722	size = atoi(opt);
723	if ((*opt == '\0') || size < 0) {
724		warnx("argument must be a positive number");
725		return;
726	}
727	if (ioctl(0, CONS_HISTORY, &size) == -1)
728		warn("setting history buffer size");
729}
730
731void
732clear_history()
733{
734
735	if (ioctl(0, CONS_CLRHIST) == -1)
736		warn("clear history buffer");
737}
738
739int
740main(int argc, char **argv)
741{
742	char	*font, *type;
743	int	opt;
744
745
746	info.size = sizeof(info);
747	if (argc == 1)
748		usage();
749		/* Not reached */
750	if (ioctl(0, CONS_GETINFO, &info) < 0)
751		err(1, "must be on a virtual console");
752	while((opt = getopt(argc, argv, "b:Cc:df:g:h:i:l:LM:m:pPr:s:t:x")) != -1)
753		switch(opt) {
754		case 'b':
755			set_border_color(optarg);
756			break;
757		case 'C':
758			clear_history();
759			break;
760		case 'c':
761			set_cursor_type(optarg);
762			break;
763		case 'd':
764			print_scrnmap();
765			break;
766		case 'f':
767			type = optarg;
768			font = nextarg(argc, argv, &optind, 'f', 0);
769			if (font == NULL) {
770				type = NULL;
771				font = optarg;
772			}
773			load_font(type, font);
774			break;
775		case 'g':
776			if (sscanf(optarg, "%dx%d", &vesa_cols,
777			    &vesa_rows) != 2) {
778				warnx("incorrect geometry: %s", optarg);
779				usage();
780			}
781			break;
782		case 'h':
783			set_history(optarg);
784			break;
785		case 'i':
786			show_info(optarg);
787			break;
788		case 'l':
789			load_scrnmap(optarg);
790			break;
791		case 'L':
792			load_default_scrnmap();
793			break;
794		case 'M':
795			set_mouse_char(optarg);
796			break;
797		case 'm':
798			set_mouse(optarg);
799			break;
800		case 'p':
801			dump_screen(DUMP_RAW);
802			break;
803		case 'P':
804			dump_screen(DUMP_TXT);
805			break;
806		case 'r':
807			set_reverse_colors(argc, argv, &optind);
808			break;
809		case 's':
810			set_console(optarg);
811			break;
812		case 't':
813			set_screensaver_timeout(optarg);
814			break;
815		case 'x':
816			hex = 1;
817			break;
818		default:
819			usage();
820		}
821	video_mode(argc, argv, &optind);
822	set_normal_colors(argc, argv, &optind);
823	if (optind < argc && !strcmp(argv[optind], "show")) {
824		test_frame();
825		optind++;
826	}
827	if ((optind != argc) || (argc == 1))
828		usage();
829	return 0;
830}
831
832