ite.c revision 1.27 1 /* $NetBSD: ite.c,v 1.27 2000/01/19 13:23:14 leo Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * from: Utah Hdr: ite.c 1.1 90/07/09
41 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91
42 */
43
44 /*
45 * ite - bitmapped terminal.
46 * Supports VT200, a few terminal features will be unavailable until
47 * the system actually probes the device (i.e. not after consinit())
48 */
49
50 #include "opt_ddb.h"
51
52 #include <sys/param.h>
53 #include <sys/kernel.h>
54 #include <sys/conf.h>
55 #include <sys/device.h>
56 #include <sys/malloc.h>
57 #include <sys/fcntl.h>
58 #include <sys/ioctl.h>
59 #include <sys/tty.h>
60 #include <sys/termios.h>
61 #include <sys/systm.h>
62 #include <sys/proc.h>
63 #include <dev/cons.h>
64
65 #include <machine/cpu.h>
66
67 #include <atari/atari/device.h>
68 #include <atari/dev/event_var.h>
69 #include <atari/dev/kbdmap.h>
70 #include <atari/dev/kbdvar.h>
71 #include <atari/dev/iteioctl.h>
72 #include <atari/dev/itevar.h>
73 #include <atari/dev/grfioctl.h>
74 #include <atari/dev/grfabs_reg.h>
75 #include <atari/dev/grfvar.h>
76 #include <atari/dev/viewioctl.h>
77 #include <atari/dev/viewvar.h>
78
79 #define ITEUNIT(dev) (minor(dev))
80
81 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
82 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
83 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
84 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
85 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
86 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir)
87
88 u_int ite_confunits; /* configured units */
89
90 int start_repeat_timeo = 30; /* first repeat after x s/100 */
91 int next_repeat_timeo = 10; /* next repeat after x s/100 */
92
93 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
94
95 struct ite_softc con_itesoftc;
96 u_char cons_tabs[MAX_TABS];
97
98 struct ite_softc *kbd_ite;
99 int kbd_init;
100
101 static __inline__ int atoi __P((const char *));
102 static __inline__ int ite_argnum __P((struct ite_softc *));
103 static __inline__ int ite_zargnum __P((struct ite_softc *));
104 static __inline__ void ite_cr __P((struct ite_softc *));
105 static __inline__ void ite_crlf __P((struct ite_softc *));
106 static __inline__ void ite_clrline __P((struct ite_softc *));
107 static __inline__ void ite_clrscreen __P((struct ite_softc *));
108 static __inline__ void ite_clrtobos __P((struct ite_softc *));
109 static __inline__ void ite_clrtobol __P((struct ite_softc *));
110 static __inline__ void ite_clrtoeol __P((struct ite_softc *));
111 static __inline__ void ite_clrtoeos __P((struct ite_softc *));
112 static __inline__ void ite_dnchar __P((struct ite_softc *, int));
113 static __inline__ void ite_inchar __P((struct ite_softc *, int));
114 static __inline__ void ite_inline __P((struct ite_softc *, int));
115 static __inline__ void ite_lf __P((struct ite_softc *));
116 static __inline__ void ite_dnline __P((struct ite_softc *, int));
117 static __inline__ void ite_rlf __P((struct ite_softc *));
118 static __inline__ void ite_sendstr __P((char *));
119 static __inline__ void snap_cury __P((struct ite_softc *));
120
121 static void alignment_display __P((struct ite_softc *));
122 static char *index __P((const char *, int));
123 static struct ite_softc *getitesp __P((dev_t));
124 static void itecheckwrap __P((struct ite_softc *));
125 static void iteprecheckwrap __P((struct ite_softc *));
126 static void itestart __P((struct tty *));
127 static void ite_switch __P((int));
128 static void repeat_handler __P((void *));
129
130 void iteputchar __P((int c, struct ite_softc *ip));
131 void ite_putstr __P((const u_char * s, int len, dev_t dev));
132 void iteattach __P((struct device *, struct device *, void *));
133 int itematch __P((struct device *, struct cfdata *, void *));
134
135 /*
136 * Console specific types.
137 */
138 dev_type_cnprobe(itecnprobe);
139 dev_type_cninit(itecninit);
140 dev_type_cngetc(itecngetc);
141 dev_type_cnputc(itecnputc);
142
143 struct cfattach ite_ca = {
144 sizeof(struct ite_softc), itematch, iteattach
145 };
146
147 extern struct cfdriver ite_cd;
148
149 int
150 itematch(pdp, cfp, auxp)
151 struct device *pdp;
152 struct cfdata *cfp;
153 void *auxp;
154 {
155 struct grf_softc *gp = auxp;
156 int maj;
157
158 /*
159 * all that our mask allows (more than enough no one
160 * has > 32 monitors for text consoles on one machine)
161 */
162 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY)
163 return(0);
164 /*
165 * XXX
166 * normally this would be done in attach, however
167 * during early init we do not have a device pointer
168 * and thus no unit number.
169 */
170 for(maj = 0; maj < nchrdev; maj++)
171 if (cdevsw[maj].d_open == iteopen)
172 break;
173
174 gp->g_itedev = makedev(maj, cfp->cf_unit);
175 return(1);
176 }
177
178 void
179 iteattach(pdp, dp, auxp)
180 struct device *pdp, *dp;
181 void *auxp;
182 {
183 struct grf_softc *gp;
184 struct ite_softc *ip;
185 int s;
186
187 gp = (struct grf_softc *)auxp;
188
189 /*
190 * mark unit as attached (XXX see itematch)
191 */
192 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
193
194 if(dp) {
195 ip = (struct ite_softc *)dp;
196
197 s = spltty();
198 if(con_itesoftc.grf != NULL
199 && con_itesoftc.grf->g_unit == gp->g_unit) {
200 /*
201 * console reinit copy params over.
202 * and console always gets keyboard
203 */
204 bcopy(&con_itesoftc.grf, &ip->grf,
205 (char *)&ip[1] - (char *)&ip->grf);
206 con_itesoftc.grf = NULL;
207 kbd_ite = ip;
208 }
209 ip->grf = gp;
210 splx(s);
211
212 iteinit(gp->g_itedev);
213 printf(": %dx%d", ip->rows, ip->cols);
214 printf(" repeat at (%d/100)s next at (%d/100)s",
215 start_repeat_timeo, next_repeat_timeo);
216
217 if (kbd_ite == NULL)
218 kbd_ite = ip;
219 if (kbd_ite == ip)
220 printf(" has keyboard");
221 printf("\n");
222 } else {
223 if (con_itesoftc.grf != NULL &&
224 con_itesoftc.grf->g_conpri > gp->g_conpri)
225 return;
226 con_itesoftc.grf = gp;
227 con_itesoftc.tabs = cons_tabs;
228 }
229 }
230
231 static struct ite_softc *
232 getitesp(dev)
233 dev_t dev;
234 {
235 if(atari_realconfig && (con_itesoftc.grf == NULL))
236 return(ite_cd.cd_devs[ITEUNIT(dev)]);
237
238 if(con_itesoftc.grf == NULL)
239 panic("no ite_softc for console");
240 return(&con_itesoftc);
241 }
242
243 /*
244 * cons.c entry points into ite device.
245 */
246
247 /*
248 * Return a priority in consdev->cn_pri field highest wins. This function
249 * is called before any devices have been probed.
250 */
251 void
252 itecnprobe(cd)
253 struct consdev *cd;
254 {
255 /*
256 * bring graphics layer up.
257 */
258 config_console();
259
260 /*
261 * return priority of the best ite (already picked from attach)
262 * or CN_DEAD.
263 */
264 if (con_itesoftc.grf == NULL)
265 cd->cn_pri = CN_DEAD;
266 else {
267 cd->cn_pri = con_itesoftc.grf->g_conpri;
268 cd->cn_dev = con_itesoftc.grf->g_itedev;
269 }
270 }
271
272 void
273 itecninit(cd)
274 struct consdev *cd;
275 {
276 struct ite_softc *ip;
277
278 ip = getitesp(cd->cn_dev);
279 ip->flags |= ITE_ISCONS;
280 iteinit(cd->cn_dev);
281 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
282 }
283
284 /*
285 * ite_cnfinish() is called in ite_init() when the device is
286 * being probed in the normal fasion, thus we can finish setting
287 * up this ite now that the system is more functional.
288 */
289 void
290 ite_cnfinish(ip)
291 struct ite_softc *ip;
292 {
293 static int done;
294
295 if (done)
296 return;
297 done = 1;
298 }
299
300 int
301 itecngetc(dev)
302 dev_t dev;
303 {
304 int c;
305
306 do {
307 c = kbdgetcn();
308 c = ite_cnfilter(c, ITEFILT_CONSOLE);
309 } while (c == -1);
310 return (c);
311 }
312
313 void
314 itecnputc(dev, c)
315 dev_t dev;
316 int c;
317 {
318 static int paniced;
319 struct ite_softc *ip;
320 char ch;
321
322 ip = getitesp(dev);
323 ch = c;
324
325 if (panicstr && !paniced &&
326 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
327 (void)ite_on(dev, 3);
328 paniced = 1;
329 }
330 SUBR_CURSOR(ip, START_CURSOROPT);
331 iteputchar(ch, ip);
332 SUBR_CURSOR(ip, END_CURSOROPT);
333 }
334
335 /*
336 * standard entry points to the device.
337 */
338
339 /*
340 * iteinit() is the standard entry point for initialization of
341 * an ite device, it is also called from itecninit().
342 *
343 */
344 void
345 iteinit(dev)
346 dev_t dev;
347 {
348 struct ite_softc *ip;
349
350 ip = getitesp(dev);
351 if (ip->flags & ITE_INITED)
352 return;
353 if (atari_realconfig) {
354 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap)
355 free(ip->kbdmap, M_DEVBUF);
356 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK);
357 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap));
358 }
359 else ip->kbdmap = &ascii_kbdmap;
360
361 ip->cursorx = 0;
362 ip->cursory = 0;
363 SUBR_INIT(ip);
364 SUBR_CURSOR(ip, DRAW_CURSOR);
365 if (ip->tabs == NULL)
366 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
367 ite_reset(ip);
368 ip->flags |= ITE_INITED;
369 }
370
371 int
372 iteopen(dev, mode, devtype, p)
373 dev_t dev;
374 int mode, devtype;
375 struct proc *p;
376 {
377 struct ite_softc *ip;
378 struct tty *tp;
379 int error, first, unit;
380
381 unit = ITEUNIT(dev);
382 first = 0;
383
384 if (((1 << unit) & ite_confunits) == 0)
385 return (ENXIO);
386
387 ip = getitesp(dev);
388
389 if (ip->tp == NULL) {
390 tp = ip->tp = ttymalloc();
391 tty_attach(tp);
392 }
393 else tp = ip->tp;
394
395 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
396 && p->p_ucred->cr_uid != 0)
397 return (EBUSY);
398 if ((ip->flags & ITE_ACTIVE) == 0) {
399 error = ite_on(dev, 0);
400 if (error)
401 return (error);
402 first = 1;
403 }
404 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) {
405 tp->t_oproc = itestart;
406 tp->t_param = ite_param;
407 tp->t_dev = dev;
408 tp->t_iflag = TTYDEF_IFLAG;
409 tp->t_oflag = TTYDEF_OFLAG;
410 tp->t_cflag = TTYDEF_CFLAG;
411 tp->t_lflag = TTYDEF_LFLAG;
412 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
413 tp->t_state = TS_CARR_ON;
414 ttychars(tp);
415 ttsetwater(tp);
416 }
417
418
419 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0);
420 if (error)
421 goto bad;
422
423 error = (*linesw[tp->t_line].l_open) (dev, tp);
424 if (error)
425 goto bad;
426
427 tp->t_winsize.ws_row = ip->rows;
428 tp->t_winsize.ws_col = ip->cols;
429 if (!kbd_init) {
430 kbd_init = 1;
431 kbdenable();
432 }
433 return (0);
434
435
436 bad:
437 if (first)
438 ite_off(dev, 0);
439
440 return (error);
441 }
442
443 int
444 iteclose(dev, flag, mode, p)
445 dev_t dev;
446 int flag, mode;
447 struct proc *p;
448 {
449 struct tty *tp;
450
451 tp = getitesp(dev)->tp;
452
453 KDASSERT(tp);
454 (*linesw[tp->t_line].l_close) (tp, flag);
455 ttyclose(tp);
456 ite_off(dev, 0);
457 return (0);
458 }
459
460 int
461 iteread(dev, uio, flag)
462 dev_t dev;
463 struct uio *uio;
464 int flag;
465 {
466 struct tty *tp;
467
468 tp = getitesp(dev)->tp;
469
470 KDASSERT(tp);
471 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
472 }
473
474 int
475 itewrite(dev, uio, flag)
476 dev_t dev;
477 struct uio *uio;
478 int flag;
479 {
480 struct tty *tp;
481
482 tp = getitesp(dev)->tp;
483
484 KDASSERT(tp);
485 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
486 }
487
488 void
489 itestop(tp, flag)
490 struct tty *tp;
491 int flag;
492 {
493 }
494
495 struct tty *
496 itetty(dev)
497 dev_t dev;
498 {
499 return(getitesp(dev)->tp);
500 }
501
502 int
503 iteioctl(dev, cmd, addr, flag, p)
504 dev_t dev;
505 u_long cmd;
506 int flag;
507 caddr_t addr;
508 struct proc *p;
509 {
510 struct iterepeat *irp;
511 struct ite_softc *ip;
512 struct tty *tp;
513 view_t *view;
514 struct itewinsize *is;
515 struct itebell *ib;
516 int error;
517
518 ip = getitesp(dev);
519 tp = ip->tp;
520 view = viewview(ip->grf->g_viewdev);
521
522 KDASSERT(tp);
523
524 error = (*linesw[tp->t_line].l_ioctl) (tp, cmd, addr, flag, p);
525 if(error >= 0)
526 return (error);
527 error = ttioctl(tp, cmd, addr, flag, p);
528 if (error >= 0)
529 return (error);
530
531 switch (cmd) {
532 case ITEIOCSKMAP:
533 if (addr == NULL)
534 return(EFAULT);
535 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap));
536 return 0;
537 case ITEIOCSSKMAP:
538 if (addr == NULL)
539 return(EFAULT);
540 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap));
541 return 0;
542 case ITEIOCGKMAP:
543 if (addr == NULL)
544 return(EFAULT);
545 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap));
546 return 0;
547 case ITEIOCGREPT:
548 if (addr == NULL)
549 return(EFAULT);
550 irp = (struct iterepeat *)addr;
551 irp->start = start_repeat_timeo;
552 irp->next = next_repeat_timeo;
553 return 0;
554 case ITEIOCSREPT:
555 if (addr == NULL)
556 return(EFAULT);
557 irp = (struct iterepeat *)addr;
558 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT)
559 return(EINVAL);
560 start_repeat_timeo = irp->start;
561 next_repeat_timeo = irp->next;
562 return 0;
563 case ITEIOCGWINSZ:
564 if (addr == NULL)
565 return(EFAULT);
566 is = (struct itewinsize *)addr;
567 is->x = view->display.x;
568 is->y = view->display.y;
569 is->width = view->display.width;
570 is->height = view->display.height;
571 is->depth = view->bitmap->depth;
572 return 0;
573 case ITEIOCDSPWIN:
574 ip->grf->g_mode(ip->grf, GM_GRFON, NULL, 0, 0);
575 return 0;
576 case ITEIOCREMWIN:
577 ip->grf->g_mode(ip->grf, GM_GRFOFF, NULL, 0, 0);
578 return 0;
579 case ITEIOCSBELL:
580 if (addr == NULL)
581 return(EFAULT);
582 ib = (struct itebell *)addr;
583 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec);
584 return 0;
585 case ITEIOCGBELL:
586 if (addr == NULL)
587 return(EFAULT);
588 ib = (struct itebell *)addr;
589 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec);
590 return 0;
591 }
592 error = (ip->itexx_ioctl)(ip, cmd, addr, flag, p);
593 if(error >= 0)
594 return(error);
595 return (ENOTTY);
596 }
597
598 void
599 itestart(tp)
600 struct tty *tp;
601 {
602 struct clist *rbp;
603 struct ite_softc *ip;
604 u_char buf[ITEBURST];
605 int s, len;
606
607 ip = getitesp(tp->t_dev);
608
609 KDASSERT(tp);
610
611 s = spltty(); {
612 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
613 goto out;
614
615 tp->t_state |= TS_BUSY;
616 rbp = &tp->t_outq;
617
618 len = q_to_b(rbp, buf, ITEBURST);
619 } splx(s);
620
621 /* Here is a really good place to implement pre/jumpscroll() */
622 ite_putstr((char *)buf, len, tp->t_dev);
623
624 s = spltty(); {
625 tp->t_state &= ~TS_BUSY;
626 /* we have characters remaining. */
627 if (rbp->c_cc) {
628 tp->t_state |= TS_TIMEOUT;
629 timeout(ttrstrt, tp, 1);
630 }
631 /* wakeup we are below */
632 if (rbp->c_cc <= tp->t_lowat) {
633 if (tp->t_state & TS_ASLEEP) {
634 tp->t_state &= ~TS_ASLEEP;
635 wakeup((caddr_t) rbp);
636 }
637 selwakeup(&tp->t_wsel);
638 }
639 out: ;
640 } splx(s);
641 }
642
643 int
644 ite_on(dev, flag)
645 dev_t dev;
646 int flag;
647 {
648 struct ite_softc *ip;
649 int unit;
650
651 unit = ITEUNIT(dev);
652 if (((1 << unit) & ite_confunits) == 0)
653 return (ENXIO);
654
655 ip = getitesp(dev);
656
657 /* force ite active, overriding graphics mode */
658 if (flag & 1) {
659 ip->flags |= ITE_ACTIVE;
660 ip->flags &= ~(ITE_INGRF | ITE_INITED);
661 }
662 /* leave graphics mode */
663 if (flag & 2) {
664 ip->flags &= ~ITE_INGRF;
665 if ((ip->flags & ITE_ACTIVE) == 0)
666 return (0);
667 }
668 ip->flags |= ITE_ACTIVE;
669 if (ip->flags & ITE_INGRF)
670 return (0);
671 iteinit(dev);
672 return (0);
673 }
674
675 void
676 ite_off(dev, flag)
677 dev_t dev;
678 int flag;
679 {
680 struct ite_softc *ip;
681
682 ip = getitesp(dev);
683 if (flag & 2)
684 ip->flags |= ITE_INGRF;
685 if ((ip->flags & ITE_ACTIVE) == 0)
686 return;
687 if ((flag & 1) ||
688 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
689 SUBR_DEINIT(ip);
690 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
691 ip->flags &= ~ITE_ACTIVE;
692 }
693
694 void
695 ite_switch(unit)
696 int unit;
697 {
698 struct ite_softc *ip;
699
700 if(!(ite_confunits & (1 << unit)))
701 return; /* Don't try unconfigured units */
702 ip = getitesp(unit);
703 if(!(ip->flags & ITE_INITED))
704 return;
705
706 /*
707 * If switching to an active ite, also switch the keyboard.
708 */
709 if(ip->flags & ITE_ACTIVE)
710 kbd_ite = ip;
711
712 /*
713 * Now make it visible
714 */
715 viewioctl(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 0, NOPROC);
716
717 /*
718 * Make sure the cursor's there too....
719 */
720 SUBR_CURSOR(ip, DRAW_CURSOR);
721 }
722
723 /* XXX called after changes made in underlying grf layer. */
724 /* I want to nuke this */
725 void
726 ite_reinit(dev)
727 dev_t dev;
728 {
729 struct ite_softc *ip;
730
731 ip = getitesp(dev);
732 ip->flags &= ~ITE_INITED;
733 iteinit(dev);
734 }
735
736 int
737 ite_param(tp, t)
738 struct tty *tp;
739 struct termios *t;
740 {
741 tp->t_ispeed = t->c_ispeed;
742 tp->t_ospeed = t->c_ospeed;
743 tp->t_cflag = t->c_cflag;
744 return (0);
745 }
746
747 void
748 ite_reset(ip)
749 struct ite_softc *ip;
750 {
751 int i;
752
753 ip->curx = 0;
754 ip->cury = 0;
755 ip->attribute = ATTR_NOR;
756 ip->save_curx = 0;
757 ip->save_cury = 0;
758 ip->save_attribute = ATTR_NOR;
759 ip->ap = ip->argbuf;
760 ip->emul_level = 0;
761 ip->eightbit_C1 = 0;
762 ip->top_margin = 0;
763 ip->bottom_margin = ip->rows - 1;
764 ip->inside_margins = 0;
765 ip->linefeed_newline = 0;
766 ip->auto_wrap = ite_default_wrap;
767 ip->cursor_appmode = 0;
768 ip->keypad_appmode = 0;
769 ip->imode = 0;
770 ip->key_repeat = 1;
771 bzero(ip->tabs, ip->cols);
772 for (i = 0; i < ip->cols; i++)
773 ip->tabs[i] = ((i & 7) == 0);
774 }
775
776 /*
777 * has to be global because of the shared filters.
778 */
779 static u_char last_dead;
780
781 /*
782 * Used in console at startup only and for DDB.
783 */
784 int
785 ite_cnfilter(c, caller)
786 u_int c;
787 enum caller caller;
788 {
789 struct key key;
790 struct kbdmap *kbdmap;
791 u_char code, up, mask;
792 int s;
793
794 up = KBD_RELEASED(c);
795 c = KBD_SCANCODE(c);
796 code = 0;
797 mask = 0;
798 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap;
799
800 s = spltty();
801
802 /*
803 * No special action if key released
804 */
805 if(up) {
806 splx(s);
807 return -1;
808 }
809
810 /* translate modifiers */
811 if(kbd_modifier & KBD_MOD_SHIFT) {
812 if(kbd_modifier & KBD_MOD_ALT)
813 key = kbdmap->alt_shift_keys[c];
814 else key = kbdmap->shift_keys[c];
815 }
816 else if(kbd_modifier & KBD_MOD_ALT)
817 key = kbdmap->alt_keys[c];
818 else {
819 key = kbdmap->keys[c];
820 /*
821 * If CAPS and key is CAPable (no pun intended)
822 */
823 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
824 key = kbdmap->shift_keys[c];
825 }
826 code = key.code;
827
828 #ifdef notyet /* LWP: Didn't have time to look at this yet */
829 /*
830 * If string return simple console filter
831 */
832 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
833 splx(s);
834 return -1;
835 }
836 /* handle dead keys */
837 if(key->mode & KBD_MODE_DEAD) {
838 /* if entered twice, send accent itself */
839 if (last_dead == key->mode & KBD_MODE_ACCMASK)
840 last_dead = 0;
841 else {
842 last_dead = key->mode & KBD_MODE_ACCMASK;
843 splx(s);
844 return -1;
845 }
846 }
847 if(last_dead) {
848 /* can't apply dead flag to string-keys */
849 if (code >= '@' && code < 0x7f)
850 code =
851 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
852 last_dead = 0;
853 }
854 #endif
855 if(kbd_modifier & KBD_MOD_CTRL)
856 code &= 0x1f;
857
858 /*
859 * Do console mapping.
860 */
861 code = code == '\r' ? '\n' : code;
862
863 splx(s);
864 return (code);
865 }
866
867 /* And now the old stuff. */
868
869 /* these are used to implement repeating keys.. */
870 static u_int last_char;
871 static u_char tout_pending;
872
873 /*ARGSUSED*/
874 static void
875 repeat_handler(arg)
876 void *arg;
877 {
878 tout_pending = 0;
879 if(last_char)
880 add_sicallback((si_farg)ite_filter, (void *)last_char,
881 (void *)ITEFILT_REPEATER);
882 }
883
884 void
885 ite_filter(c, caller)
886 u_int c;
887 enum caller caller;
888 {
889 struct tty *kbd_tty;
890 struct kbdmap *kbdmap;
891 u_char code, *str, up, mask;
892 struct key key;
893 int s, i;
894
895 if(kbd_ite == NULL)
896 return;
897
898 kbd_tty = kbd_ite->tp;
899 kbdmap = kbd_ite->kbdmap;
900
901 up = KBD_RELEASED(c);
902 c = KBD_SCANCODE(c);
903 code = 0;
904 mask = 0;
905
906 /* have to make sure we're at spltty in here */
907 s = spltty();
908
909 /*
910 * keyboard interrupts come at priority 2, while softint
911 * generated keyboard-repeat interrupts come at level 1. So,
912 * to not allow a key-up event to get thru before a repeat for
913 * the key-down, we remove any outstanding callout requests..
914 */
915 rem_sicallback((si_farg)ite_filter);
916
917 /*
918 * Stop repeating on up event
919 */
920 if (up) {
921 if(tout_pending) {
922 untimeout(repeat_handler, 0);
923 tout_pending = 0;
924 last_char = 0;
925 }
926 splx(s);
927 return;
928 }
929 else if(tout_pending && last_char != c) {
930 /*
931 * Different character, stop also
932 */
933 untimeout(repeat_handler, 0);
934 tout_pending = 0;
935 last_char = 0;
936 }
937
938 /*
939 * Handle ite-switching ALT + Fx
940 */
941 if((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
942 ite_switch(c - 0x3b);
943 splx(s);
944 return;
945 }
946 /*
947 * Safety button, switch back to ascii keymap.
948 */
949 if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
950 /* ALT + LSHIFT + F1 */
951 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap));
952 splx(s);
953 return;
954 #ifdef DDB
955 }
956 else if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) {
957 /*
958 * ALT + LSHIFT + F9 -> Debugger!
959 */
960 Debugger();
961 splx(s);
962 return;
963 #endif
964 }
965
966 /*
967 * The rest of the code is senseless when the device is not open.
968 */
969 if(kbd_tty == NULL) {
970 splx(s);
971 return;
972 }
973
974 /*
975 * Translate modifiers
976 */
977 if(kbd_modifier & KBD_MOD_SHIFT) {
978 if(kbd_modifier & KBD_MOD_ALT)
979 key = kbdmap->alt_shift_keys[c];
980 else key = kbdmap->shift_keys[c];
981 }
982 else if(kbd_modifier & KBD_MOD_ALT)
983 key = kbdmap->alt_keys[c];
984 else {
985 key = kbdmap->keys[c];
986 /*
987 * If CAPS and key is CAPable (no pun intended)
988 */
989 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
990 key = kbdmap->shift_keys[c];
991 }
992 code = key.code;
993
994 /*
995 * Arrange to repeat the keystroke. By doing this at the level
996 * of scan-codes, we can have function keys, and keys that
997 * send strings, repeat too. This also entitles an additional
998 * overhead, since we have to do the conversion each time, but
999 * I guess that's ok.
1000 */
1001 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
1002 tout_pending = 1;
1003 last_char = c;
1004 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
1005 }
1006 else if(!tout_pending && caller==ITEFILT_REPEATER
1007 && kbd_ite->key_repeat) {
1008 tout_pending = 1;
1009 last_char = c;
1010 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
1011 }
1012 /* handle dead keys */
1013 if (key.mode & KBD_MODE_DEAD) {
1014 /* if entered twice, send accent itself */
1015 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
1016 last_dead = 0;
1017 else {
1018 last_dead = key.mode & KBD_MODE_ACCMASK;
1019 splx(s);
1020 return;
1021 }
1022 }
1023 if (last_dead) {
1024 /* can't apply dead flag to string-keys */
1025 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
1026 code < 0x7f)
1027 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
1028 last_dead = 0;
1029 }
1030
1031 /*
1032 * If not string, apply CTRL modifiers
1033 */
1034 if(!(key.mode & KBD_MODE_STRING)
1035 && (!(key.mode & KBD_MODE_KPAD)
1036 || (kbd_ite && !kbd_ite->keypad_appmode))) {
1037 if(kbd_modifier & KBD_MOD_CTRL)
1038 code &= 0x1f;
1039 }
1040 else if((key.mode & KBD_MODE_KPAD)
1041 && (kbd_ite && kbd_ite->keypad_appmode)) {
1042 static char *in = "0123456789-+.\r()/*";
1043 static char *out = "pqrstuvwxymlnMPQRS";
1044 char *cp = index(in, code);
1045
1046 /*
1047 * keypad-appmode sends SS3 followed by the above
1048 * translated character
1049 */
1050 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
1051 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty);
1052 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
1053 splx(s);
1054 return;
1055 } else {
1056 /* *NO* I don't like this.... */
1057 static u_char app_cursor[] =
1058 {
1059 3, 27, 'O', 'A',
1060 3, 27, 'O', 'B',
1061 3, 27, 'O', 'C',
1062 3, 27, 'O', 'D'};
1063
1064 str = kbdmap->strings + code;
1065 /*
1066 * if this is a cursor key, AND it has the default
1067 * keymap setting, AND we're in app-cursor mode, switch
1068 * to the above table. This is *nasty* !
1069 */
1070 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50))
1071 && kbd_ite->cursor_appmode
1072 && !bcmp(str, "\x03\x1b[", 3) &&
1073 index("ABCD", str[3]))
1074 str = app_cursor + 4 * (str[3] - 'A');
1075
1076 /*
1077 * using a length-byte instead of 0-termination allows
1078 * to embed \0 into strings, although this is not used
1079 * in the default keymap
1080 */
1081 for (i = *str++; i; i--)
1082 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1083 splx(s);
1084 return;
1085 }
1086 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
1087
1088 splx(s);
1089 return;
1090 }
1091
1092 /* helper functions, makes the code below more readable */
1093 static __inline__ void
1094 ite_sendstr(str)
1095 char *str;
1096 {
1097 struct tty *kbd_tty;
1098
1099 kbd_tty = kbd_ite->tp;
1100 KDASSERT(kbd_tty);
1101 while (*str)
1102 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1103 }
1104
1105 static void
1106 alignment_display(ip)
1107 struct ite_softc *ip;
1108 {
1109 int i, j;
1110
1111 for (j = 0; j < ip->rows; j++)
1112 for (i = 0; i < ip->cols; i++)
1113 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1114 attrclr(ip, 0, 0, ip->rows, ip->cols);
1115 SUBR_CURSOR(ip, DRAW_CURSOR);
1116 }
1117
1118 static __inline__ void
1119 snap_cury(ip)
1120 struct ite_softc *ip;
1121 {
1122 if (ip->inside_margins)
1123 {
1124 if (ip->cury < ip->top_margin)
1125 ip->cury = ip->top_margin;
1126 if (ip->cury > ip->bottom_margin)
1127 ip->cury = ip->bottom_margin;
1128 }
1129 }
1130
1131 static __inline__ void
1132 ite_dnchar(ip, n)
1133 struct ite_softc *ip;
1134 int n;
1135 {
1136 n = min(n, ip->cols - ip->curx);
1137 if (n < ip->cols - ip->curx)
1138 {
1139 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1140 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1141 1, ip->cols - ip->curx - n);
1142 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1143 }
1144 while (n-- > 0)
1145 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1146 SUBR_CURSOR(ip, DRAW_CURSOR);
1147 }
1148
1149 static __inline__ void
1150 ite_inchar(ip, n)
1151 struct ite_softc *ip;
1152 int n;
1153 {
1154 n = min(n, ip->cols - ip->curx);
1155 if (n < ip->cols - ip->curx)
1156 {
1157 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1158 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1159 1, ip->cols - ip->curx - n);
1160 attrclr(ip, ip->cury, ip->curx, 1, n);
1161 }
1162 while (n--)
1163 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1164 SUBR_CURSOR(ip, DRAW_CURSOR);
1165 }
1166
1167 static __inline__ void
1168 ite_clrtoeol(ip)
1169 struct ite_softc *ip;
1170 {
1171 int y = ip->cury, x = ip->curx;
1172 if (ip->cols - x > 0)
1173 {
1174 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1175 attrclr(ip, y, x, 1, ip->cols - x);
1176 SUBR_CURSOR(ip, DRAW_CURSOR);
1177 }
1178 }
1179
1180 static __inline__ void
1181 ite_clrtobol(ip)
1182 struct ite_softc *ip;
1183 {
1184 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1185 SUBR_CLEAR(ip, y, 0, 1, x);
1186 attrclr(ip, y, 0, 1, x);
1187 SUBR_CURSOR(ip, DRAW_CURSOR);
1188 }
1189
1190 static __inline__ void
1191 ite_clrline(ip)
1192 struct ite_softc *ip;
1193 {
1194 int y = ip->cury;
1195 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1196 attrclr(ip, y, 0, 1, ip->cols);
1197 SUBR_CURSOR(ip, DRAW_CURSOR);
1198 }
1199
1200
1201
1202 static __inline__ void
1203 ite_clrtoeos(ip)
1204 struct ite_softc *ip;
1205 {
1206 ite_clrtoeol(ip);
1207 if (ip->cury < ip->rows - 1)
1208 {
1209 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1210 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1211 SUBR_CURSOR(ip, DRAW_CURSOR);
1212 }
1213 }
1214
1215 static __inline__ void
1216 ite_clrtobos(ip)
1217 struct ite_softc *ip;
1218 {
1219 ite_clrtobol(ip);
1220 if (ip->cury > 0)
1221 {
1222 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1223 attrclr(ip, 0, 0, ip->cury, ip->cols);
1224 SUBR_CURSOR(ip, DRAW_CURSOR);
1225 }
1226 }
1227
1228 static __inline__ void
1229 ite_clrscreen(ip)
1230 struct ite_softc *ip;
1231 {
1232 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1233 attrclr(ip, 0, 0, ip->rows, ip->cols);
1234 SUBR_CURSOR(ip, DRAW_CURSOR);
1235 }
1236
1237
1238
1239 static __inline__ void
1240 ite_dnline(ip, n)
1241 struct ite_softc *ip;
1242 int n;
1243 {
1244 /* interesting.. if the cursor is outside the scrolling
1245 region, this command is simply ignored.. */
1246 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1247 return;
1248
1249 n = min(n, ip->bottom_margin + 1 - ip->cury);
1250 if (n <= ip->bottom_margin - ip->cury)
1251 {
1252 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1253 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1254 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1255 }
1256 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1257 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1258 SUBR_CURSOR(ip, DRAW_CURSOR);
1259 }
1260
1261 static __inline__ void
1262 ite_inline(ip, n)
1263 struct ite_softc *ip;
1264 int n;
1265 {
1266 /* interesting.. if the cursor is outside the scrolling
1267 region, this command is simply ignored.. */
1268 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1269 return;
1270
1271 n = min(n, ip->bottom_margin + 1 - ip->cury);
1272 if (n <= ip->bottom_margin - ip->cury)
1273 {
1274 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1275 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1276 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1277 }
1278 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1279 attrclr(ip, ip->cury, 0, n, ip->cols);
1280 SUBR_CURSOR(ip, DRAW_CURSOR);
1281 }
1282
1283 static __inline__ void
1284 ite_lf (ip)
1285 struct ite_softc *ip;
1286 {
1287 ++ip->cury;
1288 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1289 {
1290 ip->cury--;
1291 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1292 ite_clrline(ip);
1293 }
1294 SUBR_CURSOR(ip, MOVE_CURSOR);
1295 clr_attr(ip, ATTR_INV);
1296 }
1297
1298 static __inline__ void
1299 ite_crlf (ip)
1300 struct ite_softc *ip;
1301 {
1302 ip->curx = 0;
1303 ite_lf (ip);
1304 }
1305
1306 static __inline__ void
1307 ite_cr (ip)
1308 struct ite_softc *ip;
1309 {
1310 if (ip->curx)
1311 {
1312 ip->curx = 0;
1313 SUBR_CURSOR(ip, MOVE_CURSOR);
1314 }
1315 }
1316
1317 static __inline__ void
1318 ite_rlf (ip)
1319 struct ite_softc *ip;
1320 {
1321 ip->cury--;
1322 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1323 {
1324 ip->cury++;
1325 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1326 ite_clrline(ip);
1327 }
1328 SUBR_CURSOR(ip, MOVE_CURSOR);
1329 clr_attr(ip, ATTR_INV);
1330 }
1331
1332 static __inline__ int
1333 atoi (cp)
1334 const char *cp;
1335 {
1336 int n;
1337
1338 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1339 n = n * 10 + *cp - '0';
1340
1341 return n;
1342 }
1343
1344 static char *
1345 index (cp, ch)
1346 const char *cp;
1347 int ch;
1348 {
1349 while (*cp && *cp != ch) cp++;
1350 return *cp ? (char *) cp : 0;
1351 }
1352
1353
1354 static __inline__ int
1355 ite_argnum (ip)
1356 struct ite_softc *ip;
1357 {
1358 char ch;
1359 int n;
1360
1361 /* convert argument string into number */
1362 if (ip->ap == ip->argbuf)
1363 return 1;
1364 ch = *ip->ap;
1365 *ip->ap = 0;
1366 n = atoi (ip->argbuf);
1367 *ip->ap = ch;
1368
1369 return n;
1370 }
1371
1372 static __inline__ int
1373 ite_zargnum (ip)
1374 struct ite_softc *ip;
1375 {
1376 char ch;
1377 int n;
1378
1379 /* convert argument string into number */
1380 if (ip->ap == ip->argbuf)
1381 return 0;
1382 ch = *ip->ap;
1383 *ip->ap = 0;
1384 n = atoi (ip->argbuf);
1385 *ip->ap = ch;
1386
1387 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1388 }
1389
1390 void
1391 ite_putstr(s, len, dev)
1392 const u_char *s;
1393 int len;
1394 dev_t dev;
1395 {
1396 struct ite_softc *ip;
1397 int i;
1398
1399 ip = getitesp(dev);
1400
1401 /* XXX avoid problems */
1402 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1403 return;
1404
1405 SUBR_CURSOR(ip, START_CURSOROPT);
1406 for (i = 0; i < len; i++)
1407 if (s[i])
1408 iteputchar(s[i], ip);
1409 SUBR_CURSOR(ip, END_CURSOROPT);
1410 }
1411
1412
1413 void
1414 iteputchar(c, ip)
1415 register int c;
1416 struct ite_softc *ip;
1417 {
1418 struct tty *kbd_tty;
1419 int n, x, y;
1420 char *cp;
1421
1422 if (kbd_ite == NULL)
1423 kbd_tty = NULL;
1424 else
1425 kbd_tty = kbd_ite->tp;
1426
1427 if (ip->escape)
1428 {
1429 switch (ip->escape)
1430 {
1431 case ESC:
1432 switch (c)
1433 {
1434 /* first 7bit equivalents for the 8bit control characters */
1435
1436 case 'D':
1437 c = IND;
1438 ip->escape = 0;
1439 break; /* and fall into the next switch below (same for all `break') */
1440
1441 case 'E':
1442 c = NEL;
1443 ip->escape = 0;
1444 break;
1445
1446 case 'H':
1447 c = HTS;
1448 ip->escape = 0;
1449 break;
1450
1451 case 'M':
1452 c = RI;
1453 ip->escape = 0;
1454 break;
1455
1456 case 'N':
1457 c = SS2;
1458 ip->escape = 0;
1459 break;
1460
1461 case 'O':
1462 c = SS3;
1463 ip->escape = 0;
1464 break;
1465
1466 case 'P':
1467 c = DCS;
1468 ip->escape = 0;
1469 break;
1470
1471 case '[':
1472 c = CSI;
1473 ip->escape = 0;
1474 break;
1475
1476 case '\\':
1477 c = ST;
1478 ip->escape = 0;
1479 break;
1480
1481 case ']':
1482 c = OSC;
1483 ip->escape = 0;
1484 break;
1485
1486 case '^':
1487 c = PM;
1488 ip->escape = 0;
1489 break;
1490
1491 case '_':
1492 c = APC;
1493 ip->escape = 0;
1494 break;
1495
1496
1497 /* introduces 7/8bit control */
1498 case ' ':
1499 /* can be followed by either F or G */
1500 ip->escape = ' ';
1501 break;
1502
1503
1504 /* a lot of character set selections, not yet used...
1505 94-character sets: */
1506 case '(': /* G0 */
1507 case ')': /* G1 */
1508 ip->escape = c;
1509 return;
1510
1511 case '*': /* G2 */
1512 case '+': /* G3 */
1513 case 'B': /* ASCII */
1514 case 'A': /* ISO latin 1 */
1515 case '<': /* user preferred suplemental */
1516 case '0': /* dec special graphics */
1517
1518 /* 96-character sets: */
1519 case '-': /* G1 */
1520 case '.': /* G2 */
1521 case '/': /* G3 */
1522
1523 /* national character sets: */
1524 case '4': /* dutch */
1525 case '5':
1526 case 'C': /* finnish */
1527 case 'R': /* french */
1528 case 'Q': /* french canadian */
1529 case 'K': /* german */
1530 case 'Y': /* italian */
1531 case '6': /* norwegian/danish */
1532 /* note: %5 and %6 are not supported (two chars..) */
1533
1534 ip->escape = 0;
1535 /* just ignore for now */
1536 return;
1537
1538
1539 /* locking shift modes (as you might guess, not yet supported..) */
1540 case '`':
1541 ip->GR = ip->G1;
1542 ip->escape = 0;
1543 return;
1544
1545 case 'n':
1546 ip->GL = ip->G2;
1547 ip->escape = 0;
1548 return;
1549
1550 case '}':
1551 ip->GR = ip->G2;
1552 ip->escape = 0;
1553 return;
1554
1555 case 'o':
1556 ip->GL = ip->G3;
1557 ip->escape = 0;
1558 return;
1559
1560 case '|':
1561 ip->GR = ip->G3;
1562 ip->escape = 0;
1563 return;
1564
1565
1566 /* font width/height control */
1567 case '#':
1568 ip->escape = '#';
1569 return;
1570
1571
1572 /* hard terminal reset .. */
1573 case 'c':
1574 ite_reset (ip);
1575 SUBR_CURSOR(ip, MOVE_CURSOR);
1576 ip->escape = 0;
1577 return;
1578
1579
1580 case '7':
1581 ip->save_curx = ip->curx;
1582 ip->save_cury = ip->cury;
1583 ip->save_attribute = ip->attribute;
1584 ip->escape = 0;
1585 return;
1586
1587 case '8':
1588 ip->curx = ip->save_curx;
1589 ip->cury = ip->save_cury;
1590 ip->attribute = ip->save_attribute;
1591 SUBR_CURSOR(ip, MOVE_CURSOR);
1592 ip->escape = 0;
1593 return;
1594
1595 case '=':
1596 ip->keypad_appmode = 1;
1597 ip->escape = 0;
1598 return;
1599
1600 case '>':
1601 ip->keypad_appmode = 0;
1602 ip->escape = 0;
1603 return;
1604
1605 case 'Z': /* request ID */
1606 if (ip->emul_level == EMUL_VT100)
1607 ite_sendstr ("\033[?61;0c"); /* XXX not clean */
1608 else
1609 ite_sendstr ("\033[?63;0c"); /* XXX not clean */
1610 ip->escape = 0;
1611 return;
1612
1613 /* default catch all for not recognized ESC sequences */
1614 default:
1615 ip->escape = 0;
1616 return;
1617 }
1618 break;
1619
1620
1621 case '(':
1622 case ')':
1623 ip->escape = 0;
1624 return;
1625
1626
1627 case ' ':
1628 switch (c)
1629 {
1630 case 'F':
1631 ip->eightbit_C1 = 0;
1632 ip->escape = 0;
1633 return;
1634
1635 case 'G':
1636 ip->eightbit_C1 = 1;
1637 ip->escape = 0;
1638 return;
1639
1640 default:
1641 /* not supported */
1642 ip->escape = 0;
1643 return;
1644 }
1645 break;
1646
1647
1648 case '#':
1649 switch (c)
1650 {
1651 case '5':
1652 /* single height, single width */
1653 ip->escape = 0;
1654 return;
1655
1656 case '6':
1657 /* double width, single height */
1658 ip->escape = 0;
1659 return;
1660
1661 case '3':
1662 /* top half */
1663 ip->escape = 0;
1664 return;
1665
1666 case '4':
1667 /* bottom half */
1668 ip->escape = 0;
1669 return;
1670
1671 case '8':
1672 /* screen alignment pattern... */
1673 alignment_display (ip);
1674 ip->escape = 0;
1675 return;
1676
1677 default:
1678 ip->escape = 0;
1679 return;
1680 }
1681 break;
1682
1683
1684
1685 case CSI:
1686 /* the biggie... */
1687 switch (c)
1688 {
1689 case '0': case '1': case '2': case '3': case '4':
1690 case '5': case '6': case '7': case '8': case '9':
1691 case ';': case '\"': case '$': case '>':
1692 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1693 *ip->ap++ = c;
1694 return;
1695
1696 case BS:
1697 /* you wouldn't believe such perversion is possible?
1698 it is.. BS is allowed in between cursor sequences
1699 (at least), according to vttest.. */
1700 if (--ip->curx < 0)
1701 ip->curx = 0;
1702 else
1703 SUBR_CURSOR(ip, MOVE_CURSOR);
1704 break;
1705
1706 case 'p':
1707 *ip->ap = 0;
1708 if (! strncmp (ip->argbuf, "61\"", 3))
1709 ip->emul_level = EMUL_VT100;
1710 else if (! strncmp (ip->argbuf, "63;1\"", 5)
1711 || ! strncmp (ip->argbuf, "62;1\"", 5))
1712 ip->emul_level = EMUL_VT300_7;
1713 else
1714 ip->emul_level = EMUL_VT300_8;
1715 ip->escape = 0;
1716 return;
1717
1718
1719 case '?':
1720 *ip->ap = 0;
1721 ip->escape = '?';
1722 ip->ap = ip->argbuf;
1723 return;
1724
1725
1726 case 'c':
1727 *ip->ap = 0;
1728 if (ip->argbuf[0] == '>')
1729 {
1730 ite_sendstr ("\033[>24;0;0;0c");
1731 }
1732 else switch (ite_zargnum(ip))
1733 {
1734 case 0:
1735 /* primary DA request, send primary DA response */
1736 if (ip->emul_level == EMUL_VT100)
1737 ite_sendstr ("\033[?1;1c");
1738 else
1739 ite_sendstr ("\033[?63;1c");
1740 break;
1741 }
1742 ip->escape = 0;
1743 return;
1744
1745 case 'n':
1746 switch (ite_zargnum(ip))
1747 {
1748 case 5:
1749 ite_sendstr ("\033[0n"); /* no malfunction */
1750 break;
1751 case 6:
1752 /* cursor position report */
1753 sprintf (ip->argbuf, "\033[%d;%dR",
1754 ip->cury + 1, ip->curx + 1);
1755 ite_sendstr (ip->argbuf);
1756 break;
1757 }
1758 ip->escape = 0;
1759 return;
1760
1761
1762 case 'x':
1763 switch (ite_zargnum(ip))
1764 {
1765 case 0:
1766 /* Fake some terminal parameters. */
1767 ite_sendstr ("\033[2;1;1;112;112;1;0x");
1768 break;
1769 case 1:
1770 ite_sendstr ("\033[3;1;1;112;112;1;0x");
1771 break;
1772 }
1773 ip->escape = 0;
1774 return;
1775
1776
1777 case 'g':
1778 switch (ite_zargnum(ip))
1779 {
1780 case 0:
1781 if (ip->curx < ip->cols)
1782 ip->tabs[ip->curx] = 0;
1783 break;
1784 case 3:
1785 for (n = 0; n < ip->cols; n++)
1786 ip->tabs[n] = 0;
1787 break;
1788 }
1789 ip->escape = 0;
1790 return;
1791
1792
1793 case 'h': case 'l':
1794 n = ite_zargnum (ip);
1795 switch (n)
1796 {
1797 case 4:
1798 ip->imode = (c == 'h'); /* insert/replace mode */
1799 break;
1800 case 20:
1801 ip->linefeed_newline = (c == 'h');
1802 break;
1803 }
1804 ip->escape = 0;
1805 return;
1806
1807
1808 case 'M':
1809 ite_dnline (ip, ite_argnum (ip));
1810 ip->escape = 0;
1811 return;
1812
1813
1814 case 'L':
1815 ite_inline (ip, ite_argnum (ip));
1816 ip->escape = 0;
1817 return;
1818
1819
1820 case 'P':
1821 ite_dnchar (ip, ite_argnum (ip));
1822 ip->escape = 0;
1823 return;
1824
1825
1826 case '@':
1827 ite_inchar (ip, ite_argnum (ip));
1828 ip->escape = 0;
1829 return;
1830
1831
1832 case 'G':
1833 /* this one was *not* in my vt320 manual but in
1834 a vt320 termcap entry.. who is right?
1835 It's supposed to set the horizontal cursor position. */
1836 *ip->ap = 0;
1837 x = atoi (ip->argbuf);
1838 if (x) x--;
1839 ip->curx = min(x, ip->cols - 1);
1840 ip->escape = 0;
1841 SUBR_CURSOR(ip, MOVE_CURSOR);
1842 clr_attr (ip, ATTR_INV);
1843 return;
1844
1845
1846 case 'd':
1847 /* same thing here, this one's for setting the absolute
1848 vertical cursor position. Not documented... */
1849 *ip->ap = 0;
1850 y = atoi (ip->argbuf);
1851 if (y) y--;
1852 if (ip->inside_margins)
1853 y += ip->top_margin;
1854 ip->cury = min(y, ip->rows - 1);
1855 ip->escape = 0;
1856 snap_cury(ip);
1857 SUBR_CURSOR(ip, MOVE_CURSOR);
1858 clr_attr (ip, ATTR_INV);
1859 return;
1860
1861
1862 case 'H':
1863 case 'f':
1864 *ip->ap = 0;
1865 y = atoi (ip->argbuf);
1866 x = 0;
1867 cp = index (ip->argbuf, ';');
1868 if (cp)
1869 x = atoi (cp + 1);
1870 if (x) x--;
1871 if (y) y--;
1872 if (ip->inside_margins)
1873 y += ip->top_margin;
1874 ip->cury = min(y, ip->rows - 1);
1875 ip->curx = min(x, ip->cols - 1);
1876 ip->escape = 0;
1877 snap_cury(ip);
1878 SUBR_CURSOR(ip, MOVE_CURSOR);
1879 clr_attr (ip, ATTR_INV);
1880 return;
1881
1882 case 'A':
1883 n = ite_argnum (ip);
1884 n = ip->cury - (n ? n : 1);
1885 if (n < 0) n = 0;
1886 if (ip->inside_margins)
1887 n = max(ip->top_margin, n);
1888 else if (n == ip->top_margin - 1)
1889 /* allow scrolling outside region, but don't scroll out
1890 of active region without explicit CUP */
1891 n = ip->top_margin;
1892 ip->cury = n;
1893 ip->escape = 0;
1894 SUBR_CURSOR(ip, MOVE_CURSOR);
1895 clr_attr (ip, ATTR_INV);
1896 return;
1897
1898 case 'B':
1899 n = ite_argnum (ip);
1900 n = ip->cury + (n ? n : 1);
1901 n = min(ip->rows - 1, n);
1902 if (ip->inside_margins)
1903 n = min(ip->bottom_margin, n);
1904 else if (n == ip->bottom_margin + 1)
1905 /* allow scrolling outside region, but don't scroll out
1906 of active region without explicit CUP */
1907 n = ip->bottom_margin;
1908 ip->cury = n;
1909 ip->escape = 0;
1910 SUBR_CURSOR(ip, MOVE_CURSOR);
1911 clr_attr (ip, ATTR_INV);
1912 return;
1913
1914 case 'C':
1915 n = ite_argnum (ip);
1916 n = n ? n : 1;
1917 ip->curx = min(ip->curx + n, ip->cols - 1);
1918 ip->escape = 0;
1919 SUBR_CURSOR(ip, MOVE_CURSOR);
1920 clr_attr (ip, ATTR_INV);
1921 return;
1922
1923 case 'D':
1924 n = ite_argnum (ip);
1925 n = n ? n : 1;
1926 n = ip->curx - n;
1927 ip->curx = n >= 0 ? n : 0;
1928 ip->escape = 0;
1929 SUBR_CURSOR(ip, MOVE_CURSOR);
1930 clr_attr (ip, ATTR_INV);
1931 return;
1932
1933
1934
1935
1936 case 'J':
1937 *ip->ap = 0;
1938 n = ite_zargnum (ip);
1939 if (n == 0)
1940 ite_clrtoeos(ip);
1941 else if (n == 1)
1942 ite_clrtobos(ip);
1943 else if (n == 2)
1944 ite_clrscreen(ip);
1945 ip->escape = 0;
1946 return;
1947
1948
1949 case 'K':
1950 n = ite_zargnum (ip);
1951 if (n == 0)
1952 ite_clrtoeol(ip);
1953 else if (n == 1)
1954 ite_clrtobol(ip);
1955 else if (n == 2)
1956 ite_clrline(ip);
1957 ip->escape = 0;
1958 return;
1959
1960
1961 case 'X':
1962 n = ite_argnum(ip) - 1;
1963 n = min(n, ip->cols - 1 - ip->curx);
1964 for (; n >= 0; n--)
1965 {
1966 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1967 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1968 }
1969 ip->escape = 0;
1970 return;
1971
1972
1973 case '}': case '`':
1974 /* status line control */
1975 ip->escape = 0;
1976 return;
1977
1978
1979 case 'r':
1980 *ip->ap = 0;
1981 x = atoi (ip->argbuf);
1982 x = x ? x : 1;
1983 y = ip->rows;
1984 cp = index (ip->argbuf, ';');
1985 if (cp)
1986 {
1987 y = atoi (cp + 1);
1988 y = y ? y : ip->rows;
1989 }
1990 if (y - x < 2)
1991 {
1992 /* if illegal scrolling region, reset to defaults */
1993 x = 1;
1994 y = ip->rows;
1995 }
1996 x--;
1997 y--;
1998 ip->top_margin = min(x, ip->rows - 1);
1999 ip->bottom_margin = min(y, ip->rows - 1);
2000 if (ip->inside_margins)
2001 {
2002 ip->cury = ip->top_margin;
2003 ip->curx = 0;
2004 SUBR_CURSOR(ip, MOVE_CURSOR);
2005 }
2006 ip->escape = 0;
2007 return;
2008
2009
2010 case 'm':
2011 /* big attribute setter/resetter */
2012 {
2013 char *cp;
2014 *ip->ap = 0;
2015 /* kludge to make CSIm work (== CSI0m) */
2016 if (ip->ap == ip->argbuf)
2017 ip->ap++;
2018 for (cp = ip->argbuf; cp < ip->ap; )
2019 {
2020 switch (*cp)
2021 {
2022 case 0:
2023 case '0':
2024 clr_attr (ip, ATTR_ALL);
2025 cp++;
2026 break;
2027
2028 case '1':
2029 set_attr (ip, ATTR_BOLD);
2030 cp++;
2031 break;
2032
2033 case '2':
2034 switch (cp[1])
2035 {
2036 case '2':
2037 clr_attr (ip, ATTR_BOLD);
2038 cp += 2;
2039 break;
2040
2041 case '4':
2042 clr_attr (ip, ATTR_UL);
2043 cp += 2;
2044 break;
2045
2046 case '5':
2047 clr_attr (ip, ATTR_BLINK);
2048 cp += 2;
2049 break;
2050
2051 case '7':
2052 clr_attr (ip, ATTR_INV);
2053 cp += 2;
2054 break;
2055
2056 default:
2057 cp++;
2058 break;
2059 }
2060 break;
2061
2062 case '4':
2063 set_attr (ip, ATTR_UL);
2064 cp++;
2065 break;
2066
2067 case '5':
2068 set_attr (ip, ATTR_BLINK);
2069 cp++;
2070 break;
2071
2072 case '7':
2073 set_attr (ip, ATTR_INV);
2074 cp++;
2075 break;
2076
2077 default:
2078 cp++;
2079 break;
2080 }
2081 }
2082
2083 }
2084 ip->escape = 0;
2085 return;
2086
2087
2088 case 'u':
2089 /* DECRQTSR */
2090 ite_sendstr ("\033P\033\\");
2091 ip->escape = 0;
2092 return;
2093
2094
2095
2096 default:
2097 ip->escape = 0;
2098 return;
2099 }
2100 break;
2101
2102
2103
2104 case '?': /* CSI ? */
2105 switch (c)
2106 {
2107 case '0': case '1': case '2': case '3': case '4':
2108 case '5': case '6': case '7': case '8': case '9':
2109 case ';': case '\"': case '$':
2110 /* Don't fill the last character; it's needed. */
2111 /* XXX yeah, where ?? */
2112 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2113 *ip->ap++ = c;
2114 return;
2115
2116
2117 case 'n':
2118 *ip->ap = 0;
2119 if (ip->ap == &ip->argbuf[2])
2120 {
2121 if (! strncmp (ip->argbuf, "15", 2))
2122 /* printer status: no printer */
2123 ite_sendstr ("\033[13n");
2124
2125 else if (! strncmp (ip->argbuf, "25", 2))
2126 /* udk status */
2127 ite_sendstr ("\033[20n");
2128
2129 else if (! strncmp (ip->argbuf, "26", 2))
2130 /* keyboard dialect: US */
2131 ite_sendstr ("\033[27;1n");
2132 }
2133 ip->escape = 0;
2134 return;
2135
2136
2137 case 'h': case 'l':
2138 n = ite_zargnum (ip);
2139 switch (n)
2140 {
2141 case 1:
2142 ip->cursor_appmode = (c == 'h');
2143 break;
2144
2145 case 3:
2146 /* 132/80 columns (132 == 'h') */
2147 break;
2148
2149 case 4: /* smooth scroll */
2150 break;
2151
2152 case 5:
2153 /* light background (=='h') /dark background(=='l') */
2154 break;
2155
2156 case 6: /* origin mode */
2157 ip->inside_margins = (c == 'h');
2158 ip->curx = 0;
2159 ip->cury = ip->inside_margins ? ip->top_margin : 0;
2160 SUBR_CURSOR(ip, MOVE_CURSOR);
2161 break;
2162
2163 case 7: /* auto wraparound */
2164 ip->auto_wrap = (c == 'h');
2165 break;
2166
2167 case 8: /* keyboard repeat */
2168 ip->key_repeat = (c == 'h');
2169 break;
2170
2171 case 20: /* newline mode */
2172 ip->linefeed_newline = (c == 'h');
2173 break;
2174
2175 case 25: /* cursor on/off */
2176 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2177 break;
2178 }
2179 ip->escape = 0;
2180 return;
2181
2182 default:
2183 ip->escape = 0;
2184 return;
2185 }
2186 break;
2187
2188
2189 default:
2190 ip->escape = 0;
2191 return;
2192 }
2193 }
2194
2195 switch (c) {
2196
2197 case VT: /* VT is treated like LF */
2198 case FF: /* so is FF */
2199 case LF:
2200 /* cr->crlf distinction is done here, on output,
2201 not on input! */
2202 if (ip->linefeed_newline)
2203 ite_crlf (ip);
2204 else
2205 ite_lf (ip);
2206 break;
2207
2208 case CR:
2209 ite_cr (ip);
2210 break;
2211
2212 case BS:
2213 if (--ip->curx < 0)
2214 ip->curx = 0;
2215 else
2216 SUBR_CURSOR(ip, MOVE_CURSOR);
2217 break;
2218
2219 case HT:
2220 for (n = ip->curx + 1; n < ip->cols; n++) {
2221 if (ip->tabs[n]) {
2222 ip->curx = n;
2223 SUBR_CURSOR(ip, MOVE_CURSOR);
2224 break;
2225 }
2226 }
2227 break;
2228
2229 case BEL:
2230 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2231 kbdbell();
2232 break;
2233
2234 case SO:
2235 ip->GL = ip->G1;
2236 break;
2237
2238 case SI:
2239 ip->GL = ip->G0;
2240 break;
2241
2242 case ENQ:
2243 /* send answer-back message !! */
2244 break;
2245
2246 case CAN:
2247 ip->escape = 0; /* cancel any escape sequence in progress */
2248 break;
2249
2250 case SUB:
2251 ip->escape = 0; /* dito, but see below */
2252 /* should also display a reverse question mark!! */
2253 break;
2254
2255 case ESC:
2256 ip->escape = ESC;
2257 break;
2258
2259
2260 /* now it gets weird.. 8bit control sequences.. */
2261 case IND: /* index: move cursor down, scroll */
2262 ite_lf (ip);
2263 break;
2264
2265 case NEL: /* next line. next line, first pos. */
2266 ite_crlf (ip);
2267 break;
2268
2269 case HTS: /* set horizontal tab */
2270 if (ip->curx < ip->cols)
2271 ip->tabs[ip->curx] = 1;
2272 break;
2273
2274 case RI: /* reverse index */
2275 ite_rlf (ip);
2276 break;
2277
2278 case SS2: /* go into G2 for one character */
2279 /* not yet supported */
2280 break;
2281
2282 case SS3: /* go into G3 for one character */
2283 break;
2284
2285 case DCS: /* device control string introducer */
2286 ip->escape = DCS;
2287 ip->ap = ip->argbuf;
2288 break;
2289
2290 case CSI: /* control sequence introducer */
2291 ip->escape = CSI;
2292 ip->ap = ip->argbuf;
2293 break;
2294
2295 case ST: /* string terminator */
2296 /* ignore, if not used as terminator */
2297 break;
2298
2299 case OSC: /* introduces OS command. Ignore everything upto ST */
2300 ip->escape = OSC;
2301 break;
2302
2303 case PM: /* privacy message, ignore everything upto ST */
2304 ip->escape = PM;
2305 break;
2306
2307 case APC: /* application program command, ignore everything upto ST */
2308 ip->escape = APC;
2309 break;
2310
2311 default:
2312 if (c < ' ' || c == DEL)
2313 break;
2314 if (ip->imode)
2315 ite_inchar(ip, 1);
2316 iteprecheckwrap(ip);
2317 #ifdef DO_WEIRD_ATTRIBUTES
2318 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2319 attrset(ip, ATTR_INV);
2320 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2321 }
2322 else
2323 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2324 #else
2325 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2326 #endif
2327 SUBR_CURSOR(ip, DRAW_CURSOR);
2328 itecheckwrap(ip);
2329 break;
2330 }
2331 }
2332
2333 static void
2334 iteprecheckwrap(ip)
2335 struct ite_softc *ip;
2336 {
2337 if (ip->auto_wrap && ip->curx == ip->cols) {
2338 ip->curx = 0;
2339 clr_attr(ip, ATTR_INV);
2340 if (++ip->cury >= ip->bottom_margin + 1) {
2341 ip->cury = ip->bottom_margin;
2342 SUBR_CURSOR(ip, MOVE_CURSOR);
2343 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2344 ite_clrtoeol(ip);
2345 } else
2346 SUBR_CURSOR(ip, MOVE_CURSOR);
2347 }
2348 }
2349
2350 static void
2351 itecheckwrap(ip)
2352 struct ite_softc *ip;
2353 {
2354 if (ip->curx < ip->cols) {
2355 ip->curx++;
2356 SUBR_CURSOR(ip, MOVE_CURSOR);
2357 }
2358 }
2359