ite.c revision 1.26 1 /* $NetBSD: ite.c,v 1.26 1998/07/04 22:18:21 jonathan 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 dev_t itedev;
157 int maj;
158
159 /*
160 * all that our mask allows (more than enough no one
161 * has > 32 monitors for text consoles on one machine)
162 */
163 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY)
164 return(0);
165 /*
166 * XXX
167 * normally this would be done in attach, however
168 * during early init we do not have a device pointer
169 * and thus no unit number.
170 */
171 for(maj = 0; maj < nchrdev; maj++)
172 if (cdevsw[maj].d_open == iteopen)
173 break;
174 itedev = makedev(maj, cfp->cf_unit);
175
176 /*
177 * Try to make sure that a single ite will not be attached to
178 * multiple grf's.
179 * Note that the console grf is the only grf that will ever enter
180 * here with itedev != (dev_t)-1.
181 */
182 if (gp->g_itedev == (dev_t)-1) {
183 if (ite_confunits & (1 << ITEUNIT(itedev)))
184 return (0);
185 }
186
187 gp->g_itedev = itedev;
188 return(1);
189 }
190
191 void
192 iteattach(pdp, dp, auxp)
193 struct device *pdp, *dp;
194 void *auxp;
195 {
196 struct grf_softc *gp;
197 struct ite_softc *ip;
198 int s;
199
200 gp = (struct grf_softc *)auxp;
201
202 /*
203 * mark unit as attached (XXX see itematch)
204 */
205 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
206
207 if(dp) {
208 ip = (struct ite_softc *)dp;
209
210 s = spltty();
211 if(con_itesoftc.grf != NULL
212 && con_itesoftc.grf->g_unit == gp->g_unit) {
213 /*
214 * console reinit copy params over.
215 * and console always gets keyboard
216 */
217 bcopy(&con_itesoftc.grf, &ip->grf,
218 (char *)&ip[1] - (char *)&ip->grf);
219 con_itesoftc.grf = NULL;
220 kbd_ite = ip;
221 }
222 ip->grf = gp;
223 splx(s);
224
225 iteinit(gp->g_itedev);
226 printf(": %dx%d", ip->rows, ip->cols);
227 printf(" repeat at (%d/100)s next at (%d/100)s",
228 start_repeat_timeo, next_repeat_timeo);
229
230 if (kbd_ite == NULL)
231 kbd_ite = ip;
232 if (kbd_ite == ip)
233 printf(" has keyboard");
234 printf("\n");
235 } else {
236 if (con_itesoftc.grf != NULL &&
237 con_itesoftc.grf->g_conpri > gp->g_conpri)
238 return;
239 con_itesoftc.grf = gp;
240 con_itesoftc.tabs = cons_tabs;
241 }
242 }
243
244 static struct ite_softc *
245 getitesp(dev)
246 dev_t dev;
247 {
248 if(atari_realconfig && (con_itesoftc.grf == NULL))
249 return(ite_cd.cd_devs[ITEUNIT(dev)]);
250
251 if(con_itesoftc.grf == NULL)
252 panic("no ite_softc for console");
253 return(&con_itesoftc);
254 }
255
256 /*
257 * cons.c entry points into ite device.
258 */
259
260 /*
261 * Return a priority in consdev->cn_pri field highest wins. This function
262 * is called before any devices have been probed.
263 */
264 void
265 itecnprobe(cd)
266 struct consdev *cd;
267 {
268 /*
269 * bring graphics layer up.
270 */
271 config_console();
272
273 /*
274 * return priority of the best ite (already picked from attach)
275 * or CN_DEAD.
276 */
277 if (con_itesoftc.grf == NULL)
278 cd->cn_pri = CN_DEAD;
279 else {
280 cd->cn_pri = con_itesoftc.grf->g_conpri;
281 cd->cn_dev = con_itesoftc.grf->g_itedev;
282 }
283 }
284
285 void
286 itecninit(cd)
287 struct consdev *cd;
288 {
289 struct ite_softc *ip;
290
291 ip = getitesp(cd->cn_dev);
292 ip->flags |= ITE_ISCONS;
293 iteinit(cd->cn_dev);
294 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
295 }
296
297 /*
298 * ite_cnfinish() is called in ite_init() when the device is
299 * being probed in the normal fasion, thus we can finish setting
300 * up this ite now that the system is more functional.
301 */
302 void
303 ite_cnfinish(ip)
304 struct ite_softc *ip;
305 {
306 static int done;
307
308 if (done)
309 return;
310 done = 1;
311 }
312
313 int
314 itecngetc(dev)
315 dev_t dev;
316 {
317 int c;
318
319 do {
320 c = kbdgetcn();
321 c = ite_cnfilter(c, ITEFILT_CONSOLE);
322 } while (c == -1);
323 return (c);
324 }
325
326 void
327 itecnputc(dev, c)
328 dev_t dev;
329 int c;
330 {
331 static int paniced;
332 struct ite_softc *ip;
333 char ch;
334
335 ip = getitesp(dev);
336 ch = c;
337
338 if (panicstr && !paniced &&
339 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
340 (void)ite_on(dev, 3);
341 paniced = 1;
342 }
343 SUBR_CURSOR(ip, START_CURSOROPT);
344 iteputchar(ch, ip);
345 SUBR_CURSOR(ip, END_CURSOROPT);
346 }
347
348 /*
349 * standard entry points to the device.
350 */
351
352 /*
353 * iteinit() is the standard entry point for initialization of
354 * an ite device, it is also called from itecninit().
355 *
356 */
357 void
358 iteinit(dev)
359 dev_t dev;
360 {
361 struct ite_softc *ip;
362
363 ip = getitesp(dev);
364 if (ip->flags & ITE_INITED)
365 return;
366 if (atari_realconfig) {
367 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap)
368 free(ip->kbdmap, M_DEVBUF);
369 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK);
370 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap));
371 }
372 else ip->kbdmap = &ascii_kbdmap;
373
374 ip->cursorx = 0;
375 ip->cursory = 0;
376 SUBR_INIT(ip);
377 SUBR_CURSOR(ip, DRAW_CURSOR);
378 if (ip->tabs == NULL)
379 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
380 ite_reset(ip);
381 ip->flags |= ITE_INITED;
382 }
383
384 int
385 iteopen(dev, mode, devtype, p)
386 dev_t dev;
387 int mode, devtype;
388 struct proc *p;
389 {
390 struct ite_softc *ip;
391 struct tty *tp;
392 int error, first, unit;
393
394 unit = ITEUNIT(dev);
395 first = 0;
396
397 if (((1 << unit) & ite_confunits) == 0)
398 return (ENXIO);
399
400 ip = getitesp(dev);
401
402 if (ip->tp == NULL) {
403 tp = ip->tp = ttymalloc();
404 tty_attach(tp);
405 }
406 else tp = ip->tp;
407
408 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
409 && p->p_ucred->cr_uid != 0)
410 return (EBUSY);
411 if ((ip->flags & ITE_ACTIVE) == 0) {
412 error = ite_on(dev, 0);
413 if (error)
414 return (error);
415 first = 1;
416 }
417 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) {
418 tp->t_oproc = itestart;
419 tp->t_param = ite_param;
420 tp->t_dev = dev;
421 tp->t_iflag = TTYDEF_IFLAG;
422 tp->t_oflag = TTYDEF_OFLAG;
423 tp->t_cflag = TTYDEF_CFLAG;
424 tp->t_lflag = TTYDEF_LFLAG;
425 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
426 tp->t_state = TS_CARR_ON;
427 ttychars(tp);
428 ttsetwater(tp);
429 }
430
431
432 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0);
433 if (error)
434 goto bad;
435
436 error = (*linesw[tp->t_line].l_open) (dev, tp);
437 if (error)
438 goto bad;
439
440 tp->t_winsize.ws_row = ip->rows;
441 tp->t_winsize.ws_col = ip->cols;
442 if (!kbd_init) {
443 kbd_init = 1;
444 kbdenable();
445 }
446 return (0);
447
448
449 bad:
450 if (first)
451 ite_off(dev, 0);
452
453 return (error);
454 }
455
456 int
457 iteclose(dev, flag, mode, p)
458 dev_t dev;
459 int flag, mode;
460 struct proc *p;
461 {
462 struct tty *tp;
463
464 tp = getitesp(dev)->tp;
465
466 KDASSERT(tp);
467 (*linesw[tp->t_line].l_close) (tp, flag);
468 ttyclose(tp);
469 ite_off(dev, 0);
470 return (0);
471 }
472
473 int
474 iteread(dev, uio, flag)
475 dev_t dev;
476 struct uio *uio;
477 int flag;
478 {
479 struct tty *tp;
480
481 tp = getitesp(dev)->tp;
482
483 KDASSERT(tp);
484 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
485 }
486
487 int
488 itewrite(dev, uio, flag)
489 dev_t dev;
490 struct uio *uio;
491 int flag;
492 {
493 struct tty *tp;
494
495 tp = getitesp(dev)->tp;
496
497 KDASSERT(tp);
498 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
499 }
500
501 void
502 itestop(tp, flag)
503 struct tty *tp;
504 int flag;
505 {
506 }
507
508 struct tty *
509 itetty(dev)
510 dev_t dev;
511 {
512 return(getitesp(dev)->tp);
513 }
514
515 int
516 iteioctl(dev, cmd, addr, flag, p)
517 dev_t dev;
518 u_long cmd;
519 int flag;
520 caddr_t addr;
521 struct proc *p;
522 {
523 struct iterepeat *irp;
524 struct ite_softc *ip;
525 struct tty *tp;
526 view_t *view;
527 struct itewinsize *is;
528 struct itebell *ib;
529 int error;
530
531 ip = getitesp(dev);
532 tp = ip->tp;
533 view = viewview(ip->grf->g_viewdev);
534
535 KDASSERT(tp);
536
537 error = (*linesw[tp->t_line].l_ioctl) (tp, cmd, addr, flag, p);
538 if(error >= 0)
539 return (error);
540 error = ttioctl(tp, cmd, addr, flag, p);
541 if (error >= 0)
542 return (error);
543
544 switch (cmd) {
545 case ITEIOCSKMAP:
546 if (addr == NULL)
547 return(EFAULT);
548 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap));
549 return 0;
550 case ITEIOCSSKMAP:
551 if (addr == NULL)
552 return(EFAULT);
553 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap));
554 return 0;
555 case ITEIOCGKMAP:
556 if (addr == NULL)
557 return(EFAULT);
558 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap));
559 return 0;
560 case ITEIOCGREPT:
561 if (addr == NULL)
562 return(EFAULT);
563 irp = (struct iterepeat *)addr;
564 irp->start = start_repeat_timeo;
565 irp->next = next_repeat_timeo;
566 return 0;
567 case ITEIOCSREPT:
568 if (addr == NULL)
569 return(EFAULT);
570 irp = (struct iterepeat *)addr;
571 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT)
572 return(EINVAL);
573 start_repeat_timeo = irp->start;
574 next_repeat_timeo = irp->next;
575 return 0;
576 case ITEIOCGWINSZ:
577 if (addr == NULL)
578 return(EFAULT);
579 is = (struct itewinsize *)addr;
580 is->x = view->display.x;
581 is->y = view->display.y;
582 is->width = view->display.width;
583 is->height = view->display.height;
584 is->depth = view->bitmap->depth;
585 return 0;
586 case ITEIOCDSPWIN:
587 ip->grf->g_mode(ip->grf, GM_GRFON, NULL, 0, 0);
588 return 0;
589 case ITEIOCREMWIN:
590 ip->grf->g_mode(ip->grf, GM_GRFOFF, NULL, 0, 0);
591 return 0;
592 case ITEIOCSBELL:
593 if (addr == NULL)
594 return(EFAULT);
595 ib = (struct itebell *)addr;
596 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec);
597 return 0;
598 case ITEIOCGBELL:
599 if (addr == NULL)
600 return(EFAULT);
601 ib = (struct itebell *)addr;
602 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec);
603 return 0;
604 }
605 error = (ip->itexx_ioctl)(ip, cmd, addr, flag, p);
606 if(error >= 0)
607 return(error);
608 return (ENOTTY);
609 }
610
611 void
612 itestart(tp)
613 struct tty *tp;
614 {
615 struct clist *rbp;
616 struct ite_softc *ip;
617 u_char buf[ITEBURST];
618 int s, len;
619
620 ip = getitesp(tp->t_dev);
621
622 KDASSERT(tp);
623
624 s = spltty(); {
625 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
626 goto out;
627
628 tp->t_state |= TS_BUSY;
629 rbp = &tp->t_outq;
630
631 len = q_to_b(rbp, buf, ITEBURST);
632 } splx(s);
633
634 /* Here is a really good place to implement pre/jumpscroll() */
635 ite_putstr((char *)buf, len, tp->t_dev);
636
637 s = spltty(); {
638 tp->t_state &= ~TS_BUSY;
639 /* we have characters remaining. */
640 if (rbp->c_cc) {
641 tp->t_state |= TS_TIMEOUT;
642 timeout(ttrstrt, tp, 1);
643 }
644 /* wakeup we are below */
645 if (rbp->c_cc <= tp->t_lowat) {
646 if (tp->t_state & TS_ASLEEP) {
647 tp->t_state &= ~TS_ASLEEP;
648 wakeup((caddr_t) rbp);
649 }
650 selwakeup(&tp->t_wsel);
651 }
652 out: ;
653 } splx(s);
654 }
655
656 int
657 ite_on(dev, flag)
658 dev_t dev;
659 int flag;
660 {
661 struct ite_softc *ip;
662 int unit;
663
664 unit = ITEUNIT(dev);
665 if (((1 << unit) & ite_confunits) == 0)
666 return (ENXIO);
667
668 ip = getitesp(dev);
669
670 /* force ite active, overriding graphics mode */
671 if (flag & 1) {
672 ip->flags |= ITE_ACTIVE;
673 ip->flags &= ~(ITE_INGRF | ITE_INITED);
674 }
675 /* leave graphics mode */
676 if (flag & 2) {
677 ip->flags &= ~ITE_INGRF;
678 if ((ip->flags & ITE_ACTIVE) == 0)
679 return (0);
680 }
681 ip->flags |= ITE_ACTIVE;
682 if (ip->flags & ITE_INGRF)
683 return (0);
684 iteinit(dev);
685 return (0);
686 }
687
688 void
689 ite_off(dev, flag)
690 dev_t dev;
691 int flag;
692 {
693 struct ite_softc *ip;
694
695 ip = getitesp(dev);
696 if (flag & 2)
697 ip->flags |= ITE_INGRF;
698 if ((ip->flags & ITE_ACTIVE) == 0)
699 return;
700 if ((flag & 1) ||
701 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
702 SUBR_DEINIT(ip);
703 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
704 ip->flags &= ~ITE_ACTIVE;
705 }
706
707 void
708 ite_switch(unit)
709 int unit;
710 {
711 struct ite_softc *ip;
712
713 if(!(ite_confunits & (1 << unit)))
714 return; /* Don't try unconfigured units */
715 ip = getitesp(unit);
716 if(!(ip->flags & ITE_INITED))
717 return;
718
719 /*
720 * If switching to an active ite, also switch the keyboard.
721 */
722 if(ip->flags & ITE_ACTIVE)
723 kbd_ite = ip;
724
725 /*
726 * Now make it visible
727 */
728 viewioctl(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 0, NOPROC);
729
730 /*
731 * Make sure the cursor's there too....
732 */
733 SUBR_CURSOR(ip, DRAW_CURSOR);
734 }
735
736 /* XXX called after changes made in underlying grf layer. */
737 /* I want to nuke this */
738 void
739 ite_reinit(dev)
740 dev_t dev;
741 {
742 struct ite_softc *ip;
743
744 ip = getitesp(dev);
745 ip->flags &= ~ITE_INITED;
746 iteinit(dev);
747 }
748
749 int
750 ite_param(tp, t)
751 struct tty *tp;
752 struct termios *t;
753 {
754 tp->t_ispeed = t->c_ispeed;
755 tp->t_ospeed = t->c_ospeed;
756 tp->t_cflag = t->c_cflag;
757 return (0);
758 }
759
760 void
761 ite_reset(ip)
762 struct ite_softc *ip;
763 {
764 int i;
765
766 ip->curx = 0;
767 ip->cury = 0;
768 ip->attribute = ATTR_NOR;
769 ip->save_curx = 0;
770 ip->save_cury = 0;
771 ip->save_attribute = ATTR_NOR;
772 ip->ap = ip->argbuf;
773 ip->emul_level = 0;
774 ip->eightbit_C1 = 0;
775 ip->top_margin = 0;
776 ip->bottom_margin = ip->rows - 1;
777 ip->inside_margins = 0;
778 ip->linefeed_newline = 0;
779 ip->auto_wrap = ite_default_wrap;
780 ip->cursor_appmode = 0;
781 ip->keypad_appmode = 0;
782 ip->imode = 0;
783 ip->key_repeat = 1;
784 bzero(ip->tabs, ip->cols);
785 for (i = 0; i < ip->cols; i++)
786 ip->tabs[i] = ((i & 7) == 0);
787 }
788
789 /*
790 * has to be global because of the shared filters.
791 */
792 static u_char last_dead;
793
794 /*
795 * Used in console at startup only and for DDB.
796 */
797 int
798 ite_cnfilter(c, caller)
799 u_int c;
800 enum caller caller;
801 {
802 struct key key;
803 struct kbdmap *kbdmap;
804 u_char code, up, mask;
805 int s;
806
807 up = KBD_RELEASED(c);
808 c = KBD_SCANCODE(c);
809 code = 0;
810 mask = 0;
811 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap;
812
813 s = spltty();
814
815 /*
816 * No special action if key released
817 */
818 if(up) {
819 splx(s);
820 return -1;
821 }
822
823 /* translate modifiers */
824 if(kbd_modifier & KBD_MOD_SHIFT) {
825 if(kbd_modifier & KBD_MOD_ALT)
826 key = kbdmap->alt_shift_keys[c];
827 else key = kbdmap->shift_keys[c];
828 }
829 else if(kbd_modifier & KBD_MOD_ALT)
830 key = kbdmap->alt_keys[c];
831 else {
832 key = kbdmap->keys[c];
833 /*
834 * If CAPS and key is CAPable (no pun intended)
835 */
836 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
837 key = kbdmap->shift_keys[c];
838 }
839 code = key.code;
840
841 #ifdef notyet /* LWP: Didn't have time to look at this yet */
842 /*
843 * If string return simple console filter
844 */
845 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
846 splx(s);
847 return -1;
848 }
849 /* handle dead keys */
850 if(key->mode & KBD_MODE_DEAD) {
851 /* if entered twice, send accent itself */
852 if (last_dead == key->mode & KBD_MODE_ACCMASK)
853 last_dead = 0;
854 else {
855 last_dead = key->mode & KBD_MODE_ACCMASK;
856 splx(s);
857 return -1;
858 }
859 }
860 if(last_dead) {
861 /* can't apply dead flag to string-keys */
862 if (code >= '@' && code < 0x7f)
863 code =
864 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
865 last_dead = 0;
866 }
867 #endif
868 if(kbd_modifier & KBD_MOD_CTRL)
869 code &= 0x1f;
870
871 /*
872 * Do console mapping.
873 */
874 code = code == '\r' ? '\n' : code;
875
876 splx(s);
877 return (code);
878 }
879
880 /* And now the old stuff. */
881
882 /* these are used to implement repeating keys.. */
883 static u_int last_char;
884 static u_char tout_pending;
885
886 /*ARGSUSED*/
887 static void
888 repeat_handler(arg)
889 void *arg;
890 {
891 tout_pending = 0;
892 if(last_char)
893 add_sicallback((si_farg)ite_filter, (void *)last_char,
894 (void *)ITEFILT_REPEATER);
895 }
896
897 void
898 ite_filter(c, caller)
899 u_int c;
900 enum caller caller;
901 {
902 struct tty *kbd_tty;
903 struct kbdmap *kbdmap;
904 u_char code, *str, up, mask;
905 struct key key;
906 int s, i;
907
908 if(kbd_ite == NULL)
909 return;
910
911 kbd_tty = kbd_ite->tp;
912 kbdmap = kbd_ite->kbdmap;
913
914 up = KBD_RELEASED(c);
915 c = KBD_SCANCODE(c);
916 code = 0;
917 mask = 0;
918
919 /* have to make sure we're at spltty in here */
920 s = spltty();
921
922 /*
923 * keyboard interrupts come at priority 2, while softint
924 * generated keyboard-repeat interrupts come at level 1. So,
925 * to not allow a key-up event to get thru before a repeat for
926 * the key-down, we remove any outstanding callout requests..
927 */
928 rem_sicallback((si_farg)ite_filter);
929
930 /*
931 * Stop repeating on up event
932 */
933 if (up) {
934 if(tout_pending) {
935 untimeout(repeat_handler, 0);
936 tout_pending = 0;
937 last_char = 0;
938 }
939 splx(s);
940 return;
941 }
942 else if(tout_pending && last_char != c) {
943 /*
944 * Different character, stop also
945 */
946 untimeout(repeat_handler, 0);
947 tout_pending = 0;
948 last_char = 0;
949 }
950
951 /*
952 * Handle ite-switching ALT + Fx
953 */
954 if((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
955 ite_switch(c - 0x3b);
956 splx(s);
957 return;
958 }
959 /*
960 * Safety button, switch back to ascii keymap.
961 */
962 if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
963 /* ALT + LSHIFT + F1 */
964 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap));
965 splx(s);
966 return;
967 #ifdef DDB
968 }
969 else if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) {
970 /*
971 * ALT + LSHIFT + F9 -> Debugger!
972 */
973 Debugger();
974 splx(s);
975 return;
976 #endif
977 }
978
979 /*
980 * The rest of the code is senseless when the device is not open.
981 */
982 if(kbd_tty == NULL) {
983 splx(s);
984 return;
985 }
986
987 /*
988 * Translate modifiers
989 */
990 if(kbd_modifier & KBD_MOD_SHIFT) {
991 if(kbd_modifier & KBD_MOD_ALT)
992 key = kbdmap->alt_shift_keys[c];
993 else key = kbdmap->shift_keys[c];
994 }
995 else if(kbd_modifier & KBD_MOD_ALT)
996 key = kbdmap->alt_keys[c];
997 else {
998 key = kbdmap->keys[c];
999 /*
1000 * If CAPS and key is CAPable (no pun intended)
1001 */
1002 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
1003 key = kbdmap->shift_keys[c];
1004 }
1005 code = key.code;
1006
1007 /*
1008 * Arrange to repeat the keystroke. By doing this at the level
1009 * of scan-codes, we can have function keys, and keys that
1010 * send strings, repeat too. This also entitles an additional
1011 * overhead, since we have to do the conversion each time, but
1012 * I guess that's ok.
1013 */
1014 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
1015 tout_pending = 1;
1016 last_char = c;
1017 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
1018 }
1019 else if(!tout_pending && caller==ITEFILT_REPEATER
1020 && kbd_ite->key_repeat) {
1021 tout_pending = 1;
1022 last_char = c;
1023 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
1024 }
1025 /* handle dead keys */
1026 if (key.mode & KBD_MODE_DEAD) {
1027 /* if entered twice, send accent itself */
1028 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
1029 last_dead = 0;
1030 else {
1031 last_dead = key.mode & KBD_MODE_ACCMASK;
1032 splx(s);
1033 return;
1034 }
1035 }
1036 if (last_dead) {
1037 /* can't apply dead flag to string-keys */
1038 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
1039 code < 0x7f)
1040 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
1041 last_dead = 0;
1042 }
1043
1044 /*
1045 * If not string, apply CTRL modifiers
1046 */
1047 if(!(key.mode & KBD_MODE_STRING)
1048 && (!(key.mode & KBD_MODE_KPAD)
1049 || (kbd_ite && !kbd_ite->keypad_appmode))) {
1050 if(kbd_modifier & KBD_MOD_CTRL)
1051 code &= 0x1f;
1052 }
1053 else if((key.mode & KBD_MODE_KPAD)
1054 && (kbd_ite && kbd_ite->keypad_appmode)) {
1055 static char *in = "0123456789-+.\r()/*";
1056 static char *out = "pqrstuvwxymlnMPQRS";
1057 char *cp = index(in, code);
1058
1059 /*
1060 * keypad-appmode sends SS3 followed by the above
1061 * translated character
1062 */
1063 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
1064 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty);
1065 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
1066 splx(s);
1067 return;
1068 } else {
1069 /* *NO* I don't like this.... */
1070 static u_char app_cursor[] =
1071 {
1072 3, 27, 'O', 'A',
1073 3, 27, 'O', 'B',
1074 3, 27, 'O', 'C',
1075 3, 27, 'O', 'D'};
1076
1077 str = kbdmap->strings + code;
1078 /*
1079 * if this is a cursor key, AND it has the default
1080 * keymap setting, AND we're in app-cursor mode, switch
1081 * to the above table. This is *nasty* !
1082 */
1083 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50))
1084 && kbd_ite->cursor_appmode
1085 && !bcmp(str, "\x03\x1b[", 3) &&
1086 index("ABCD", str[3]))
1087 str = app_cursor + 4 * (str[3] - 'A');
1088
1089 /*
1090 * using a length-byte instead of 0-termination allows
1091 * to embed \0 into strings, although this is not used
1092 * in the default keymap
1093 */
1094 for (i = *str++; i; i--)
1095 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1096 splx(s);
1097 return;
1098 }
1099 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
1100
1101 splx(s);
1102 return;
1103 }
1104
1105 /* helper functions, makes the code below more readable */
1106 static __inline__ void
1107 ite_sendstr(str)
1108 char *str;
1109 {
1110 struct tty *kbd_tty;
1111
1112 kbd_tty = kbd_ite->tp;
1113 KDASSERT(kbd_tty);
1114 while (*str)
1115 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1116 }
1117
1118 static void
1119 alignment_display(ip)
1120 struct ite_softc *ip;
1121 {
1122 int i, j;
1123
1124 for (j = 0; j < ip->rows; j++)
1125 for (i = 0; i < ip->cols; i++)
1126 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1127 attrclr(ip, 0, 0, ip->rows, ip->cols);
1128 SUBR_CURSOR(ip, DRAW_CURSOR);
1129 }
1130
1131 static __inline__ void
1132 snap_cury(ip)
1133 struct ite_softc *ip;
1134 {
1135 if (ip->inside_margins)
1136 {
1137 if (ip->cury < ip->top_margin)
1138 ip->cury = ip->top_margin;
1139 if (ip->cury > ip->bottom_margin)
1140 ip->cury = ip->bottom_margin;
1141 }
1142 }
1143
1144 static __inline__ void
1145 ite_dnchar(ip, n)
1146 struct ite_softc *ip;
1147 int n;
1148 {
1149 n = min(n, ip->cols - ip->curx);
1150 if (n < ip->cols - ip->curx)
1151 {
1152 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1153 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1154 1, ip->cols - ip->curx - n);
1155 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1156 }
1157 while (n-- > 0)
1158 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1159 SUBR_CURSOR(ip, DRAW_CURSOR);
1160 }
1161
1162 static __inline__ void
1163 ite_inchar(ip, n)
1164 struct ite_softc *ip;
1165 int n;
1166 {
1167 n = min(n, ip->cols - ip->curx);
1168 if (n < ip->cols - ip->curx)
1169 {
1170 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1171 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1172 1, ip->cols - ip->curx - n);
1173 attrclr(ip, ip->cury, ip->curx, 1, n);
1174 }
1175 while (n--)
1176 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1177 SUBR_CURSOR(ip, DRAW_CURSOR);
1178 }
1179
1180 static __inline__ void
1181 ite_clrtoeol(ip)
1182 struct ite_softc *ip;
1183 {
1184 int y = ip->cury, x = ip->curx;
1185 if (ip->cols - x > 0)
1186 {
1187 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1188 attrclr(ip, y, x, 1, ip->cols - x);
1189 SUBR_CURSOR(ip, DRAW_CURSOR);
1190 }
1191 }
1192
1193 static __inline__ void
1194 ite_clrtobol(ip)
1195 struct ite_softc *ip;
1196 {
1197 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1198 SUBR_CLEAR(ip, y, 0, 1, x);
1199 attrclr(ip, y, 0, 1, x);
1200 SUBR_CURSOR(ip, DRAW_CURSOR);
1201 }
1202
1203 static __inline__ void
1204 ite_clrline(ip)
1205 struct ite_softc *ip;
1206 {
1207 int y = ip->cury;
1208 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1209 attrclr(ip, y, 0, 1, ip->cols);
1210 SUBR_CURSOR(ip, DRAW_CURSOR);
1211 }
1212
1213
1214
1215 static __inline__ void
1216 ite_clrtoeos(ip)
1217 struct ite_softc *ip;
1218 {
1219 ite_clrtoeol(ip);
1220 if (ip->cury < ip->rows - 1)
1221 {
1222 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1223 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1224 SUBR_CURSOR(ip, DRAW_CURSOR);
1225 }
1226 }
1227
1228 static __inline__ void
1229 ite_clrtobos(ip)
1230 struct ite_softc *ip;
1231 {
1232 ite_clrtobol(ip);
1233 if (ip->cury > 0)
1234 {
1235 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1236 attrclr(ip, 0, 0, ip->cury, ip->cols);
1237 SUBR_CURSOR(ip, DRAW_CURSOR);
1238 }
1239 }
1240
1241 static __inline__ void
1242 ite_clrscreen(ip)
1243 struct ite_softc *ip;
1244 {
1245 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1246 attrclr(ip, 0, 0, ip->rows, ip->cols);
1247 SUBR_CURSOR(ip, DRAW_CURSOR);
1248 }
1249
1250
1251
1252 static __inline__ void
1253 ite_dnline(ip, n)
1254 struct ite_softc *ip;
1255 int n;
1256 {
1257 /* interesting.. if the cursor is outside the scrolling
1258 region, this command is simply ignored.. */
1259 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1260 return;
1261
1262 n = min(n, ip->bottom_margin + 1 - ip->cury);
1263 if (n <= ip->bottom_margin - ip->cury)
1264 {
1265 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1266 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1267 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1268 }
1269 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1270 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1271 SUBR_CURSOR(ip, DRAW_CURSOR);
1272 }
1273
1274 static __inline__ void
1275 ite_inline(ip, n)
1276 struct ite_softc *ip;
1277 int n;
1278 {
1279 /* interesting.. if the cursor is outside the scrolling
1280 region, this command is simply ignored.. */
1281 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1282 return;
1283
1284 n = min(n, ip->bottom_margin + 1 - ip->cury);
1285 if (n <= ip->bottom_margin - ip->cury)
1286 {
1287 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1288 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1289 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1290 }
1291 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1292 attrclr(ip, ip->cury, 0, n, ip->cols);
1293 SUBR_CURSOR(ip, DRAW_CURSOR);
1294 }
1295
1296 static __inline__ void
1297 ite_lf (ip)
1298 struct ite_softc *ip;
1299 {
1300 ++ip->cury;
1301 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1302 {
1303 ip->cury--;
1304 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1305 ite_clrline(ip);
1306 }
1307 SUBR_CURSOR(ip, MOVE_CURSOR);
1308 clr_attr(ip, ATTR_INV);
1309 }
1310
1311 static __inline__ void
1312 ite_crlf (ip)
1313 struct ite_softc *ip;
1314 {
1315 ip->curx = 0;
1316 ite_lf (ip);
1317 }
1318
1319 static __inline__ void
1320 ite_cr (ip)
1321 struct ite_softc *ip;
1322 {
1323 if (ip->curx)
1324 {
1325 ip->curx = 0;
1326 SUBR_CURSOR(ip, MOVE_CURSOR);
1327 }
1328 }
1329
1330 static __inline__ void
1331 ite_rlf (ip)
1332 struct ite_softc *ip;
1333 {
1334 ip->cury--;
1335 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1336 {
1337 ip->cury++;
1338 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1339 ite_clrline(ip);
1340 }
1341 SUBR_CURSOR(ip, MOVE_CURSOR);
1342 clr_attr(ip, ATTR_INV);
1343 }
1344
1345 static __inline__ int
1346 atoi (cp)
1347 const char *cp;
1348 {
1349 int n;
1350
1351 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1352 n = n * 10 + *cp - '0';
1353
1354 return n;
1355 }
1356
1357 static char *
1358 index (cp, ch)
1359 const char *cp;
1360 int ch;
1361 {
1362 while (*cp && *cp != ch) cp++;
1363 return *cp ? (char *) cp : 0;
1364 }
1365
1366
1367 static __inline__ int
1368 ite_argnum (ip)
1369 struct ite_softc *ip;
1370 {
1371 char ch;
1372 int n;
1373
1374 /* convert argument string into number */
1375 if (ip->ap == ip->argbuf)
1376 return 1;
1377 ch = *ip->ap;
1378 *ip->ap = 0;
1379 n = atoi (ip->argbuf);
1380 *ip->ap = ch;
1381
1382 return n;
1383 }
1384
1385 static __inline__ int
1386 ite_zargnum (ip)
1387 struct ite_softc *ip;
1388 {
1389 char ch;
1390 int n;
1391
1392 /* convert argument string into number */
1393 if (ip->ap == ip->argbuf)
1394 return 0;
1395 ch = *ip->ap;
1396 *ip->ap = 0;
1397 n = atoi (ip->argbuf);
1398 *ip->ap = ch;
1399
1400 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1401 }
1402
1403 void
1404 ite_putstr(s, len, dev)
1405 const u_char *s;
1406 int len;
1407 dev_t dev;
1408 {
1409 struct ite_softc *ip;
1410 int i;
1411
1412 ip = getitesp(dev);
1413
1414 /* XXX avoid problems */
1415 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1416 return;
1417
1418 SUBR_CURSOR(ip, START_CURSOROPT);
1419 for (i = 0; i < len; i++)
1420 if (s[i])
1421 iteputchar(s[i], ip);
1422 SUBR_CURSOR(ip, END_CURSOROPT);
1423 }
1424
1425
1426 void
1427 iteputchar(c, ip)
1428 register int c;
1429 struct ite_softc *ip;
1430 {
1431 struct tty *kbd_tty;
1432 int n, x, y;
1433 char *cp;
1434
1435 if (kbd_ite == NULL)
1436 kbd_tty = NULL;
1437 else
1438 kbd_tty = kbd_ite->tp;
1439
1440 if (ip->escape)
1441 {
1442 switch (ip->escape)
1443 {
1444 case ESC:
1445 switch (c)
1446 {
1447 /* first 7bit equivalents for the 8bit control characters */
1448
1449 case 'D':
1450 c = IND;
1451 ip->escape = 0;
1452 break; /* and fall into the next switch below (same for all `break') */
1453
1454 case 'E':
1455 c = NEL;
1456 ip->escape = 0;
1457 break;
1458
1459 case 'H':
1460 c = HTS;
1461 ip->escape = 0;
1462 break;
1463
1464 case 'M':
1465 c = RI;
1466 ip->escape = 0;
1467 break;
1468
1469 case 'N':
1470 c = SS2;
1471 ip->escape = 0;
1472 break;
1473
1474 case 'O':
1475 c = SS3;
1476 ip->escape = 0;
1477 break;
1478
1479 case 'P':
1480 c = DCS;
1481 ip->escape = 0;
1482 break;
1483
1484 case '[':
1485 c = CSI;
1486 ip->escape = 0;
1487 break;
1488
1489 case '\\':
1490 c = ST;
1491 ip->escape = 0;
1492 break;
1493
1494 case ']':
1495 c = OSC;
1496 ip->escape = 0;
1497 break;
1498
1499 case '^':
1500 c = PM;
1501 ip->escape = 0;
1502 break;
1503
1504 case '_':
1505 c = APC;
1506 ip->escape = 0;
1507 break;
1508
1509
1510 /* introduces 7/8bit control */
1511 case ' ':
1512 /* can be followed by either F or G */
1513 ip->escape = ' ';
1514 break;
1515
1516
1517 /* a lot of character set selections, not yet used...
1518 94-character sets: */
1519 case '(': /* G0 */
1520 case ')': /* G1 */
1521 ip->escape = c;
1522 return;
1523
1524 case '*': /* G2 */
1525 case '+': /* G3 */
1526 case 'B': /* ASCII */
1527 case 'A': /* ISO latin 1 */
1528 case '<': /* user preferred suplemental */
1529 case '0': /* dec special graphics */
1530
1531 /* 96-character sets: */
1532 case '-': /* G1 */
1533 case '.': /* G2 */
1534 case '/': /* G3 */
1535
1536 /* national character sets: */
1537 case '4': /* dutch */
1538 case '5':
1539 case 'C': /* finnish */
1540 case 'R': /* french */
1541 case 'Q': /* french canadian */
1542 case 'K': /* german */
1543 case 'Y': /* italian */
1544 case '6': /* norwegian/danish */
1545 /* note: %5 and %6 are not supported (two chars..) */
1546
1547 ip->escape = 0;
1548 /* just ignore for now */
1549 return;
1550
1551
1552 /* locking shift modes (as you might guess, not yet supported..) */
1553 case '`':
1554 ip->GR = ip->G1;
1555 ip->escape = 0;
1556 return;
1557
1558 case 'n':
1559 ip->GL = ip->G2;
1560 ip->escape = 0;
1561 return;
1562
1563 case '}':
1564 ip->GR = ip->G2;
1565 ip->escape = 0;
1566 return;
1567
1568 case 'o':
1569 ip->GL = ip->G3;
1570 ip->escape = 0;
1571 return;
1572
1573 case '|':
1574 ip->GR = ip->G3;
1575 ip->escape = 0;
1576 return;
1577
1578
1579 /* font width/height control */
1580 case '#':
1581 ip->escape = '#';
1582 return;
1583
1584
1585 /* hard terminal reset .. */
1586 case 'c':
1587 ite_reset (ip);
1588 SUBR_CURSOR(ip, MOVE_CURSOR);
1589 ip->escape = 0;
1590 return;
1591
1592
1593 case '7':
1594 ip->save_curx = ip->curx;
1595 ip->save_cury = ip->cury;
1596 ip->save_attribute = ip->attribute;
1597 ip->escape = 0;
1598 return;
1599
1600 case '8':
1601 ip->curx = ip->save_curx;
1602 ip->cury = ip->save_cury;
1603 ip->attribute = ip->save_attribute;
1604 SUBR_CURSOR(ip, MOVE_CURSOR);
1605 ip->escape = 0;
1606 return;
1607
1608 case '=':
1609 ip->keypad_appmode = 1;
1610 ip->escape = 0;
1611 return;
1612
1613 case '>':
1614 ip->keypad_appmode = 0;
1615 ip->escape = 0;
1616 return;
1617
1618 case 'Z': /* request ID */
1619 if (ip->emul_level == EMUL_VT100)
1620 ite_sendstr ("\033[?61;0c"); /* XXX not clean */
1621 else
1622 ite_sendstr ("\033[?63;0c"); /* XXX not clean */
1623 ip->escape = 0;
1624 return;
1625
1626 /* default catch all for not recognized ESC sequences */
1627 default:
1628 ip->escape = 0;
1629 return;
1630 }
1631 break;
1632
1633
1634 case '(':
1635 case ')':
1636 ip->escape = 0;
1637 return;
1638
1639
1640 case ' ':
1641 switch (c)
1642 {
1643 case 'F':
1644 ip->eightbit_C1 = 0;
1645 ip->escape = 0;
1646 return;
1647
1648 case 'G':
1649 ip->eightbit_C1 = 1;
1650 ip->escape = 0;
1651 return;
1652
1653 default:
1654 /* not supported */
1655 ip->escape = 0;
1656 return;
1657 }
1658 break;
1659
1660
1661 case '#':
1662 switch (c)
1663 {
1664 case '5':
1665 /* single height, single width */
1666 ip->escape = 0;
1667 return;
1668
1669 case '6':
1670 /* double width, single height */
1671 ip->escape = 0;
1672 return;
1673
1674 case '3':
1675 /* top half */
1676 ip->escape = 0;
1677 return;
1678
1679 case '4':
1680 /* bottom half */
1681 ip->escape = 0;
1682 return;
1683
1684 case '8':
1685 /* screen alignment pattern... */
1686 alignment_display (ip);
1687 ip->escape = 0;
1688 return;
1689
1690 default:
1691 ip->escape = 0;
1692 return;
1693 }
1694 break;
1695
1696
1697
1698 case CSI:
1699 /* the biggie... */
1700 switch (c)
1701 {
1702 case '0': case '1': case '2': case '3': case '4':
1703 case '5': case '6': case '7': case '8': case '9':
1704 case ';': case '\"': case '$': case '>':
1705 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1706 *ip->ap++ = c;
1707 return;
1708
1709 case BS:
1710 /* you wouldn't believe such perversion is possible?
1711 it is.. BS is allowed in between cursor sequences
1712 (at least), according to vttest.. */
1713 if (--ip->curx < 0)
1714 ip->curx = 0;
1715 else
1716 SUBR_CURSOR(ip, MOVE_CURSOR);
1717 break;
1718
1719 case 'p':
1720 *ip->ap = 0;
1721 if (! strncmp (ip->argbuf, "61\"", 3))
1722 ip->emul_level = EMUL_VT100;
1723 else if (! strncmp (ip->argbuf, "63;1\"", 5)
1724 || ! strncmp (ip->argbuf, "62;1\"", 5))
1725 ip->emul_level = EMUL_VT300_7;
1726 else
1727 ip->emul_level = EMUL_VT300_8;
1728 ip->escape = 0;
1729 return;
1730
1731
1732 case '?':
1733 *ip->ap = 0;
1734 ip->escape = '?';
1735 ip->ap = ip->argbuf;
1736 return;
1737
1738
1739 case 'c':
1740 *ip->ap = 0;
1741 if (ip->argbuf[0] == '>')
1742 {
1743 ite_sendstr ("\033[>24;0;0;0c");
1744 }
1745 else switch (ite_zargnum(ip))
1746 {
1747 case 0:
1748 /* primary DA request, send primary DA response */
1749 if (ip->emul_level == EMUL_VT100)
1750 ite_sendstr ("\033[?1;1c");
1751 else
1752 ite_sendstr ("\033[?63;1c");
1753 break;
1754 }
1755 ip->escape = 0;
1756 return;
1757
1758 case 'n':
1759 switch (ite_zargnum(ip))
1760 {
1761 case 5:
1762 ite_sendstr ("\033[0n"); /* no malfunction */
1763 break;
1764 case 6:
1765 /* cursor position report */
1766 sprintf (ip->argbuf, "\033[%d;%dR",
1767 ip->cury + 1, ip->curx + 1);
1768 ite_sendstr (ip->argbuf);
1769 break;
1770 }
1771 ip->escape = 0;
1772 return;
1773
1774
1775 case 'x':
1776 switch (ite_zargnum(ip))
1777 {
1778 case 0:
1779 /* Fake some terminal parameters. */
1780 ite_sendstr ("\033[2;1;1;112;112;1;0x");
1781 break;
1782 case 1:
1783 ite_sendstr ("\033[3;1;1;112;112;1;0x");
1784 break;
1785 }
1786 ip->escape = 0;
1787 return;
1788
1789
1790 case 'g':
1791 switch (ite_zargnum(ip))
1792 {
1793 case 0:
1794 if (ip->curx < ip->cols)
1795 ip->tabs[ip->curx] = 0;
1796 break;
1797 case 3:
1798 for (n = 0; n < ip->cols; n++)
1799 ip->tabs[n] = 0;
1800 break;
1801 }
1802 ip->escape = 0;
1803 return;
1804
1805
1806 case 'h': case 'l':
1807 n = ite_zargnum (ip);
1808 switch (n)
1809 {
1810 case 4:
1811 ip->imode = (c == 'h'); /* insert/replace mode */
1812 break;
1813 case 20:
1814 ip->linefeed_newline = (c == 'h');
1815 break;
1816 }
1817 ip->escape = 0;
1818 return;
1819
1820
1821 case 'M':
1822 ite_dnline (ip, ite_argnum (ip));
1823 ip->escape = 0;
1824 return;
1825
1826
1827 case 'L':
1828 ite_inline (ip, ite_argnum (ip));
1829 ip->escape = 0;
1830 return;
1831
1832
1833 case 'P':
1834 ite_dnchar (ip, ite_argnum (ip));
1835 ip->escape = 0;
1836 return;
1837
1838
1839 case '@':
1840 ite_inchar (ip, ite_argnum (ip));
1841 ip->escape = 0;
1842 return;
1843
1844
1845 case 'G':
1846 /* this one was *not* in my vt320 manual but in
1847 a vt320 termcap entry.. who is right?
1848 It's supposed to set the horizontal cursor position. */
1849 *ip->ap = 0;
1850 x = atoi (ip->argbuf);
1851 if (x) x--;
1852 ip->curx = min(x, ip->cols - 1);
1853 ip->escape = 0;
1854 SUBR_CURSOR(ip, MOVE_CURSOR);
1855 clr_attr (ip, ATTR_INV);
1856 return;
1857
1858
1859 case 'd':
1860 /* same thing here, this one's for setting the absolute
1861 vertical cursor position. Not documented... */
1862 *ip->ap = 0;
1863 y = atoi (ip->argbuf);
1864 if (y) y--;
1865 if (ip->inside_margins)
1866 y += ip->top_margin;
1867 ip->cury = min(y, ip->rows - 1);
1868 ip->escape = 0;
1869 snap_cury(ip);
1870 SUBR_CURSOR(ip, MOVE_CURSOR);
1871 clr_attr (ip, ATTR_INV);
1872 return;
1873
1874
1875 case 'H':
1876 case 'f':
1877 *ip->ap = 0;
1878 y = atoi (ip->argbuf);
1879 x = 0;
1880 cp = index (ip->argbuf, ';');
1881 if (cp)
1882 x = atoi (cp + 1);
1883 if (x) x--;
1884 if (y) y--;
1885 if (ip->inside_margins)
1886 y += ip->top_margin;
1887 ip->cury = min(y, ip->rows - 1);
1888 ip->curx = min(x, ip->cols - 1);
1889 ip->escape = 0;
1890 snap_cury(ip);
1891 SUBR_CURSOR(ip, MOVE_CURSOR);
1892 clr_attr (ip, ATTR_INV);
1893 return;
1894
1895 case 'A':
1896 n = ite_argnum (ip);
1897 n = ip->cury - (n ? n : 1);
1898 if (n < 0) n = 0;
1899 if (ip->inside_margins)
1900 n = max(ip->top_margin, n);
1901 else if (n == ip->top_margin - 1)
1902 /* allow scrolling outside region, but don't scroll out
1903 of active region without explicit CUP */
1904 n = ip->top_margin;
1905 ip->cury = n;
1906 ip->escape = 0;
1907 SUBR_CURSOR(ip, MOVE_CURSOR);
1908 clr_attr (ip, ATTR_INV);
1909 return;
1910
1911 case 'B':
1912 n = ite_argnum (ip);
1913 n = ip->cury + (n ? n : 1);
1914 n = min(ip->rows - 1, n);
1915 if (ip->inside_margins)
1916 n = min(ip->bottom_margin, n);
1917 else if (n == ip->bottom_margin + 1)
1918 /* allow scrolling outside region, but don't scroll out
1919 of active region without explicit CUP */
1920 n = ip->bottom_margin;
1921 ip->cury = n;
1922 ip->escape = 0;
1923 SUBR_CURSOR(ip, MOVE_CURSOR);
1924 clr_attr (ip, ATTR_INV);
1925 return;
1926
1927 case 'C':
1928 n = ite_argnum (ip);
1929 n = n ? n : 1;
1930 ip->curx = min(ip->curx + n, ip->cols - 1);
1931 ip->escape = 0;
1932 SUBR_CURSOR(ip, MOVE_CURSOR);
1933 clr_attr (ip, ATTR_INV);
1934 return;
1935
1936 case 'D':
1937 n = ite_argnum (ip);
1938 n = n ? n : 1;
1939 n = ip->curx - n;
1940 ip->curx = n >= 0 ? n : 0;
1941 ip->escape = 0;
1942 SUBR_CURSOR(ip, MOVE_CURSOR);
1943 clr_attr (ip, ATTR_INV);
1944 return;
1945
1946
1947
1948
1949 case 'J':
1950 *ip->ap = 0;
1951 n = ite_zargnum (ip);
1952 if (n == 0)
1953 ite_clrtoeos(ip);
1954 else if (n == 1)
1955 ite_clrtobos(ip);
1956 else if (n == 2)
1957 ite_clrscreen(ip);
1958 ip->escape = 0;
1959 return;
1960
1961
1962 case 'K':
1963 n = ite_zargnum (ip);
1964 if (n == 0)
1965 ite_clrtoeol(ip);
1966 else if (n == 1)
1967 ite_clrtobol(ip);
1968 else if (n == 2)
1969 ite_clrline(ip);
1970 ip->escape = 0;
1971 return;
1972
1973
1974 case 'X':
1975 n = ite_argnum(ip) - 1;
1976 n = min(n, ip->cols - 1 - ip->curx);
1977 for (; n >= 0; n--)
1978 {
1979 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1980 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1981 }
1982 ip->escape = 0;
1983 return;
1984
1985
1986 case '}': case '`':
1987 /* status line control */
1988 ip->escape = 0;
1989 return;
1990
1991
1992 case 'r':
1993 *ip->ap = 0;
1994 x = atoi (ip->argbuf);
1995 x = x ? x : 1;
1996 y = ip->rows;
1997 cp = index (ip->argbuf, ';');
1998 if (cp)
1999 {
2000 y = atoi (cp + 1);
2001 y = y ? y : ip->rows;
2002 }
2003 if (y - x < 2)
2004 {
2005 /* if illegal scrolling region, reset to defaults */
2006 x = 1;
2007 y = ip->rows;
2008 }
2009 x--;
2010 y--;
2011 ip->top_margin = min(x, ip->rows - 1);
2012 ip->bottom_margin = min(y, ip->rows - 1);
2013 if (ip->inside_margins)
2014 {
2015 ip->cury = ip->top_margin;
2016 ip->curx = 0;
2017 SUBR_CURSOR(ip, MOVE_CURSOR);
2018 }
2019 ip->escape = 0;
2020 return;
2021
2022
2023 case 'm':
2024 /* big attribute setter/resetter */
2025 {
2026 char *cp;
2027 *ip->ap = 0;
2028 /* kludge to make CSIm work (== CSI0m) */
2029 if (ip->ap == ip->argbuf)
2030 ip->ap++;
2031 for (cp = ip->argbuf; cp < ip->ap; )
2032 {
2033 switch (*cp)
2034 {
2035 case 0:
2036 case '0':
2037 clr_attr (ip, ATTR_ALL);
2038 cp++;
2039 break;
2040
2041 case '1':
2042 set_attr (ip, ATTR_BOLD);
2043 cp++;
2044 break;
2045
2046 case '2':
2047 switch (cp[1])
2048 {
2049 case '2':
2050 clr_attr (ip, ATTR_BOLD);
2051 cp += 2;
2052 break;
2053
2054 case '4':
2055 clr_attr (ip, ATTR_UL);
2056 cp += 2;
2057 break;
2058
2059 case '5':
2060 clr_attr (ip, ATTR_BLINK);
2061 cp += 2;
2062 break;
2063
2064 case '7':
2065 clr_attr (ip, ATTR_INV);
2066 cp += 2;
2067 break;
2068
2069 default:
2070 cp++;
2071 break;
2072 }
2073 break;
2074
2075 case '4':
2076 set_attr (ip, ATTR_UL);
2077 cp++;
2078 break;
2079
2080 case '5':
2081 set_attr (ip, ATTR_BLINK);
2082 cp++;
2083 break;
2084
2085 case '7':
2086 set_attr (ip, ATTR_INV);
2087 cp++;
2088 break;
2089
2090 default:
2091 cp++;
2092 break;
2093 }
2094 }
2095
2096 }
2097 ip->escape = 0;
2098 return;
2099
2100
2101 case 'u':
2102 /* DECRQTSR */
2103 ite_sendstr ("\033P\033\\");
2104 ip->escape = 0;
2105 return;
2106
2107
2108
2109 default:
2110 ip->escape = 0;
2111 return;
2112 }
2113 break;
2114
2115
2116
2117 case '?': /* CSI ? */
2118 switch (c)
2119 {
2120 case '0': case '1': case '2': case '3': case '4':
2121 case '5': case '6': case '7': case '8': case '9':
2122 case ';': case '\"': case '$':
2123 /* Don't fill the last character; it's needed. */
2124 /* XXX yeah, where ?? */
2125 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2126 *ip->ap++ = c;
2127 return;
2128
2129
2130 case 'n':
2131 *ip->ap = 0;
2132 if (ip->ap == &ip->argbuf[2])
2133 {
2134 if (! strncmp (ip->argbuf, "15", 2))
2135 /* printer status: no printer */
2136 ite_sendstr ("\033[13n");
2137
2138 else if (! strncmp (ip->argbuf, "25", 2))
2139 /* udk status */
2140 ite_sendstr ("\033[20n");
2141
2142 else if (! strncmp (ip->argbuf, "26", 2))
2143 /* keyboard dialect: US */
2144 ite_sendstr ("\033[27;1n");
2145 }
2146 ip->escape = 0;
2147 return;
2148
2149
2150 case 'h': case 'l':
2151 n = ite_zargnum (ip);
2152 switch (n)
2153 {
2154 case 1:
2155 ip->cursor_appmode = (c == 'h');
2156 break;
2157
2158 case 3:
2159 /* 132/80 columns (132 == 'h') */
2160 break;
2161
2162 case 4: /* smooth scroll */
2163 break;
2164
2165 case 5:
2166 /* light background (=='h') /dark background(=='l') */
2167 break;
2168
2169 case 6: /* origin mode */
2170 ip->inside_margins = (c == 'h');
2171 ip->curx = 0;
2172 ip->cury = ip->inside_margins ? ip->top_margin : 0;
2173 SUBR_CURSOR(ip, MOVE_CURSOR);
2174 break;
2175
2176 case 7: /* auto wraparound */
2177 ip->auto_wrap = (c == 'h');
2178 break;
2179
2180 case 8: /* keyboard repeat */
2181 ip->key_repeat = (c == 'h');
2182 break;
2183
2184 case 20: /* newline mode */
2185 ip->linefeed_newline = (c == 'h');
2186 break;
2187
2188 case 25: /* cursor on/off */
2189 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2190 break;
2191 }
2192 ip->escape = 0;
2193 return;
2194
2195 default:
2196 ip->escape = 0;
2197 return;
2198 }
2199 break;
2200
2201
2202 default:
2203 ip->escape = 0;
2204 return;
2205 }
2206 }
2207
2208 switch (c) {
2209
2210 case VT: /* VT is treated like LF */
2211 case FF: /* so is FF */
2212 case LF:
2213 /* cr->crlf distinction is done here, on output,
2214 not on input! */
2215 if (ip->linefeed_newline)
2216 ite_crlf (ip);
2217 else
2218 ite_lf (ip);
2219 break;
2220
2221 case CR:
2222 ite_cr (ip);
2223 break;
2224
2225 case BS:
2226 if (--ip->curx < 0)
2227 ip->curx = 0;
2228 else
2229 SUBR_CURSOR(ip, MOVE_CURSOR);
2230 break;
2231
2232 case HT:
2233 for (n = ip->curx + 1; n < ip->cols; n++) {
2234 if (ip->tabs[n]) {
2235 ip->curx = n;
2236 SUBR_CURSOR(ip, MOVE_CURSOR);
2237 break;
2238 }
2239 }
2240 break;
2241
2242 case BEL:
2243 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2244 kbdbell();
2245 break;
2246
2247 case SO:
2248 ip->GL = ip->G1;
2249 break;
2250
2251 case SI:
2252 ip->GL = ip->G0;
2253 break;
2254
2255 case ENQ:
2256 /* send answer-back message !! */
2257 break;
2258
2259 case CAN:
2260 ip->escape = 0; /* cancel any escape sequence in progress */
2261 break;
2262
2263 case SUB:
2264 ip->escape = 0; /* dito, but see below */
2265 /* should also display a reverse question mark!! */
2266 break;
2267
2268 case ESC:
2269 ip->escape = ESC;
2270 break;
2271
2272
2273 /* now it gets weird.. 8bit control sequences.. */
2274 case IND: /* index: move cursor down, scroll */
2275 ite_lf (ip);
2276 break;
2277
2278 case NEL: /* next line. next line, first pos. */
2279 ite_crlf (ip);
2280 break;
2281
2282 case HTS: /* set horizontal tab */
2283 if (ip->curx < ip->cols)
2284 ip->tabs[ip->curx] = 1;
2285 break;
2286
2287 case RI: /* reverse index */
2288 ite_rlf (ip);
2289 break;
2290
2291 case SS2: /* go into G2 for one character */
2292 /* not yet supported */
2293 break;
2294
2295 case SS3: /* go into G3 for one character */
2296 break;
2297
2298 case DCS: /* device control string introducer */
2299 ip->escape = DCS;
2300 ip->ap = ip->argbuf;
2301 break;
2302
2303 case CSI: /* control sequence introducer */
2304 ip->escape = CSI;
2305 ip->ap = ip->argbuf;
2306 break;
2307
2308 case ST: /* string terminator */
2309 /* ignore, if not used as terminator */
2310 break;
2311
2312 case OSC: /* introduces OS command. Ignore everything upto ST */
2313 ip->escape = OSC;
2314 break;
2315
2316 case PM: /* privacy message, ignore everything upto ST */
2317 ip->escape = PM;
2318 break;
2319
2320 case APC: /* application program command, ignore everything upto ST */
2321 ip->escape = APC;
2322 break;
2323
2324 default:
2325 if (c < ' ' || c == DEL)
2326 break;
2327 if (ip->imode)
2328 ite_inchar(ip, 1);
2329 iteprecheckwrap(ip);
2330 #ifdef DO_WEIRD_ATTRIBUTES
2331 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2332 attrset(ip, ATTR_INV);
2333 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2334 }
2335 else
2336 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2337 #else
2338 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2339 #endif
2340 SUBR_CURSOR(ip, DRAW_CURSOR);
2341 itecheckwrap(ip);
2342 break;
2343 }
2344 }
2345
2346 static void
2347 iteprecheckwrap(ip)
2348 struct ite_softc *ip;
2349 {
2350 if (ip->auto_wrap && ip->curx == ip->cols) {
2351 ip->curx = 0;
2352 clr_attr(ip, ATTR_INV);
2353 if (++ip->cury >= ip->bottom_margin + 1) {
2354 ip->cury = ip->bottom_margin;
2355 SUBR_CURSOR(ip, MOVE_CURSOR);
2356 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2357 ite_clrtoeol(ip);
2358 } else
2359 SUBR_CURSOR(ip, MOVE_CURSOR);
2360 }
2361 }
2362
2363 static void
2364 itecheckwrap(ip)
2365 struct ite_softc *ip;
2366 {
2367 if (ip->curx < ip->cols) {
2368 ip->curx++;
2369 SUBR_CURSOR(ip, MOVE_CURSOR);
2370 }
2371 }
2372