54 #define DEFAULT_BGCOLOR	0
102 	if (vidc_started && arg == 0)  in vidc_init()
103 		return (0);  in vidc_init()
113 	for (i = 0; i < 10 && vidc_ischar(); i++)  in vidc_init()
115 	return (0);	/* XXX reinit? */  in vidc_init()
122 	v86.ctl = 0;  in vidc_biosputchar()
123 	v86.addr = 0x10;  in vidc_biosputchar()
124 	v86.eax = 0xe00 | (c & 0xff);  in vidc_biosputchar()
125 	v86.ebx = 0x7;  in vidc_biosputchar()
143 		for (i = 0; i < n; i++)  in vidc_rawputchar()
149 		/* Emulate AH=0eh (teletype output) */  in vidc_rawputchar()
155 			curx = 0;  in vidc_rawputchar()
168 			if (curx > 0) {  in vidc_rawputchar()
179 				curx = 0;  in vidc_rawputchar()
183 				curx = 0;  in vidc_rawputchar()
200 	v86.ctl = 0;  in get_pos()
201 	v86.addr = 0x10;  in get_pos()
202 	v86.eax = 0x0300;  in get_pos()
203 	v86.ebx = 0x0;  in get_pos()
205 	*x = v86.edx & 0x00ff;  in get_pos()
206 	*y = (v86.edx & 0xff00) >> 8;  in get_pos()
211 /* Move cursor to x rows and y cols (0-based). */
216 	v86.ctl = 0;  in curs_move()
217 	v86.addr = 0x10;  in curs_move()
218 	v86.eax = 0x0200;  in curs_move()
219 	v86.ebx = 0x0;  in curs_move()
220 	v86.edx = ((0x00ff & y) << 8) + (0x00ff & x);  in curs_move()
227 	v86.ctl = 0;  in curs_move()
228 	v86.addr = 0x10;  in curs_move()
229 	v86.eax = 0x0800;  in curs_move()
230 	v86.ebx = 0x0;  in curs_move()
233 	if (!isvisible(v86.eax & 0x00ff)) {  in curs_move()
238 /* Scroll up the whole window by a number of rows. If rows==0,
246 	if (rows == 0)  in scroll_up()
248 	v86.ctl = 0;  in scroll_up()
249 	v86.addr = 0x10;  in scroll_up()
250 	v86.eax = 0x0600 + (0x00ff & rows);  in scroll_up()
252 	v86.ecx = 0x0;  in scroll_up()
253 	v86.edx = 0x184f;  in scroll_up()
262 	v86.ctl = 0;  in write_char()
263 	v86.addr = 0x10;  in write_char()
264 	v86.eax = 0x0900 + (0x00ff & c);  in write_char()
266 	v86.ecx = 0x1;  in write_char()
283 	if (curx > 0) {  in CD()
284 		v86.ctl = 0;  in CD()
285 		v86.addr = 0x10;  in CD()
286 		v86.eax = 0x0600;  in CD()
296 	v86.ctl = 0;  in CD()
297 	v86.addr = 0x10;  in CD()
298 	v86.eax = 0x0600;  in CD()
300 	v86.ecx = (cury << 8) + 0;  in CD()
306 /* Absolute cursor move to args[0] rows and args[1] columns
313 	if (args[0] > 0)  in CM()
314 		args[0]--;  in CM()
315 	if (args[1] > 0)  in CM()
317 	curs_move(&curx, &cury, args[1], args[0]);  in CM()
327 	args[0] = args[1] = 1;  in HO()
336 	esc = 0;  in end_term()
351 		for (i = 0; i <= argc; ++i) {  in bail_out()
366 	if (argc < 0)  in get_arg()
367 		argc = 0;  in get_arg()
369 	args[argc] += c - '0';  in get_arg()
377 		0, 4, 2, 6, 1, 5, 3, 7,  in vidc_term_emu()
383 	case 0:  in vidc_term_emu()
398 			args[0] = 0;  in vidc_term_emu()
410 			if (argc < 0)	/* XXX */  in vidc_term_emu()
411 				argc = 0;  in vidc_term_emu()
415 				args[++argc] = 0;  in vidc_term_emu()
418 			if (argc < 0)  in vidc_term_emu()
426 			if (argc < 0)  in vidc_term_emu()
432 			if (argc < 0) {  in vidc_term_emu()
436 			for (i = 0; i <= argc; ++i) {  in vidc_term_emu()
438 				case 0:		/* back to normal */  in vidc_term_emu()
443 					fg_c |= 0x8;  in vidc_term_emu()
447 					bg_c |= 0x8;  in vidc_term_emu()
455 					fg_c &= ~0x8;  in vidc_term_emu()
459 					bg_c &= ~0x8;  in vidc_term_emu()
510 		v86.ctl = 0;  in vidc_getchar()
511 		v86.addr = 0x16;  in vidc_getchar()
512 		v86.eax = 0x0;  in vidc_getchar()
514 		return (v86.eax & 0xff);  in vidc_getchar()
525 	v86.addr = 0x16;  in vidc_ischar()
526 	v86.eax = 0x100;  in vidc_ischar()
535 #define IO_DUMMY	0x84
536 #define IO_KBD		0x060		/* 8042 Keyboard */
540 #define KBD_DATA_PORT		0	/* data port, read/write
544 #define KBDC_ECHO		0x00ee
545 #define KBDS_ANY_BUFFER_FULL	0x0001
546 #define KBDS_INPUT_BUFFER_FULL	0x0002
547 #define KBD_ECHO		0x00ee
578 	while (--i >= 0)  in delay1ms()
579 		(void)inb(0x84);  in delay1ms()
597 	while (--retry >= 0) {  in probe_keyboard()
606 		for (wait = PROBE_MAXWAIT; wait > 0; --wait) {  in probe_keyboard()
608 				& (KBDS_INPUT_BUFFER_FULL | KBDS_ANY_BUFFER_FULL)) == 0)  in probe_keyboard()
616 		if (wait <= 0)  in probe_keyboard()
623 		for (wait = PROBE_MAXWAIT; wait > 0; --wait) {  in probe_keyboard()
628 		if (wait <= 0)  in probe_keyboard()
634 		printf("probe_keyboard: got 0x%x.\n", i);  in probe_keyboard()
642 	return (0);  in probe_keyboard()