ite.c revision 1.13 1 /* $NetBSD: ite.c,v 1.13 1996/06/18 05:54:59 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 <sys/param.h>
51 #include <sys/kernel.h>
52 #include <sys/conf.h>
53 #include <sys/device.h>
54 #include <sys/malloc.h>
55 #include <sys/ioctl.h>
56 #include <sys/tty.h>
57 #include <sys/termios.h>
58 #include <sys/systm.h>
59 #include <sys/proc.h>
60 #include <dev/cons.h>
61
62 #include <machine/cpu.h>
63
64 #include <atari/atari/kdassert.h>
65 #include <atari/dev/event_var.h>
66 #include <atari/dev/kbdmap.h>
67 #include <atari/dev/kbdvar.h>
68 #include <atari/dev/iteioctl.h>
69 #include <atari/dev/itevar.h>
70 #include <atari/dev/grfioctl.h>
71 #include <atari/dev/grfabs_reg.h>
72 #include <atari/dev/grfvar.h>
73 #include <atari/dev/viewioctl.h>
74 #include <atari/dev/viewvar.h>
75
76 #define ITEUNIT(dev) (minor(dev))
77
78 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
79 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
80 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
81 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
82 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
83 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir)
84
85 u_int ite_confunits; /* configured units */
86
87 int start_repeat_timeo = 30; /* first repeat after x s/100 */
88 int next_repeat_timeo = 10; /* next repeat after x s/100 */
89
90 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
91
92 struct ite_softc con_itesoftc;
93 u_char cons_tabs[MAX_TABS];
94
95 struct ite_softc *kbd_ite;
96 int kbd_init;
97
98 static __inline__ int atoi __P((const char *));
99 static __inline__ int ite_argnum __P((struct ite_softc *));
100 static __inline__ int ite_zargnum __P((struct ite_softc *));
101 static __inline__ void ite_cr __P((struct ite_softc *));
102 static __inline__ void ite_crlf __P((struct ite_softc *));
103 static __inline__ void ite_clrline __P((struct ite_softc *));
104 static __inline__ void ite_clrscreen __P((struct ite_softc *));
105 static __inline__ void ite_clrtobos __P((struct ite_softc *));
106 static __inline__ void ite_clrtobol __P((struct ite_softc *));
107 static __inline__ void ite_clrtoeol __P((struct ite_softc *));
108 static __inline__ void ite_clrtoeos __P((struct ite_softc *));
109 static __inline__ void ite_dnchar __P((struct ite_softc *, int));
110 static __inline__ void ite_inchar __P((struct ite_softc *, int));
111 static __inline__ void ite_inline __P((struct ite_softc *, int));
112 static __inline__ void ite_lf __P((struct ite_softc *));
113 static __inline__ void ite_dnline __P((struct ite_softc *, int));
114 static __inline__ void ite_rlf __P((struct ite_softc *));
115 static __inline__ void ite_sendstr __P((char *));
116 static __inline__ void snap_cury __P((struct ite_softc *));
117
118 static void alignment_display __P((struct ite_softc *));
119 static char *index __P((const char *, int));
120 static struct ite_softc *getitesp __P((dev_t));
121 static void itecheckwrap __P((struct ite_softc *));
122 static void iteprecheckwrap __P((struct ite_softc *));
123 static void itestart __P((struct tty *));
124 static void ite_switch __P((int));
125 static void repeat_handler __P((void *));
126
127 void iteputchar __P((int c, struct ite_softc *ip));
128 void ite_putstr __P((const u_char * s, int len, dev_t dev));
129 void iteattach __P((struct device *, struct device *, void *));
130 int itematch __P((struct device *, void *, void *));
131
132 /*
133 * Console specific types.
134 */
135 dev_type_cnprobe(itecnprobe);
136 dev_type_cninit(itecninit);
137 dev_type_cngetc(itecngetc);
138 dev_type_cnputc(itecnputc);
139
140 struct cfattach ite_ca = {
141 sizeof(struct ite_softc), itematch, iteattach
142 };
143
144 struct cfdriver ite_cd = {
145 NULL, "ite", DV_DULL, NULL, 0
146 };
147
148 int
149 itematch(pdp, match, auxp)
150 struct device *pdp;
151 void *match, *auxp;
152 {
153 struct cfdata *cdp = match;
154 struct grf_softc *gp;
155 int maj;
156
157 gp = auxp;
158
159 /* ite0 should be at grf0 */
160 if(cdp->cf_unit != gp->g_unit)
161 return(0);
162
163 /*
164 * all that our mask allows (more than enough no one
165 * has > 32 monitors for text consoles on one machine)
166 */
167 if (cdp->cf_unit >= sizeof(ite_confunits) * NBBY)
168 return(0);
169 /*
170 * XXX
171 * normally this would be done in attach, however
172 * during early init we do not have a device pointer
173 * and thus no unit number.
174 */
175 for(maj = 0; maj < nchrdev; maj++)
176 if (cdevsw[maj].d_open == iteopen)
177 break;
178 gp->g_itedev = makedev(maj, cdp->cf_unit);
179 return(1);
180 }
181
182 void
183 iteattach(pdp, dp, auxp)
184 struct device *pdp, *dp;
185 void *auxp;
186 {
187 struct grf_softc *gp;
188 struct ite_softc *ip;
189 int s;
190
191 gp = (struct grf_softc *)auxp;
192
193 /*
194 * mark unit as attached (XXX see itematch)
195 */
196 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
197
198 if(dp) {
199 ip = (struct ite_softc *)dp;
200
201 s = spltty();
202 if(con_itesoftc.grf != NULL
203 && con_itesoftc.grf->g_unit == gp->g_unit) {
204 /*
205 * console reinit copy params over.
206 * and console always gets keyboard
207 */
208 bcopy(&con_itesoftc.grf, &ip->grf,
209 (char *)&ip[1] - (char *)&ip->grf);
210 con_itesoftc.grf = NULL;
211 kbd_ite = ip;
212 }
213 ip->grf = gp;
214 splx(s);
215
216 iteinit(gp->g_itedev);
217 printf(": rows %d cols %d", ip->rows, ip->cols);
218 printf(" repeat at (%d/100)s next at (%d/100)s",
219 start_repeat_timeo, next_repeat_timeo);
220
221 if (kbd_ite == NULL)
222 kbd_ite = ip;
223 if (kbd_ite == ip)
224 printf(" has keyboard");
225 printf("\n");
226 } else {
227 if (con_itesoftc.grf != NULL &&
228 con_itesoftc.grf->g_conpri > gp->g_conpri)
229 return;
230 con_itesoftc.grf = gp;
231 con_itesoftc.tabs = cons_tabs;
232 }
233 }
234
235 static struct ite_softc *
236 getitesp(dev)
237 dev_t dev;
238 {
239 extern int atari_realconfig;
240
241 if(atari_realconfig && (con_itesoftc.grf == NULL))
242 return(ite_cd.cd_devs[ITEUNIT(dev)]);
243
244 if(con_itesoftc.grf == NULL)
245 panic("no ite_softc for console");
246 return(&con_itesoftc);
247 }
248
249 /*
250 * cons.c entry points into ite device.
251 */
252
253 /*
254 * Return a priority in consdev->cn_pri field highest wins. This function
255 * is called before any devices have been probed.
256 */
257 void
258 itecnprobe(cd)
259 struct consdev *cd;
260 {
261 /*
262 * bring graphics layer up.
263 */
264 config_console();
265
266 /*
267 * return priority of the best ite (already picked from attach)
268 * or CN_DEAD.
269 */
270 if (con_itesoftc.grf == NULL)
271 cd->cn_pri = CN_DEAD;
272 else {
273 cd->cn_pri = con_itesoftc.grf->g_conpri;
274 cd->cn_dev = con_itesoftc.grf->g_itedev;
275 }
276 }
277
278 void
279 itecninit(cd)
280 struct consdev *cd;
281 {
282 struct ite_softc *ip;
283
284 ip = getitesp(cd->cn_dev);
285 ip->flags |= ITE_ISCONS;
286 iteinit(cd->cn_dev);
287 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
288 }
289
290 /*
291 * ite_cnfinish() is called in ite_init() when the device is
292 * being probed in the normal fasion, thus we can finish setting
293 * up this ite now that the system is more functional.
294 */
295 void
296 ite_cnfinish(ip)
297 struct ite_softc *ip;
298 {
299 static int done;
300
301 if (done)
302 return;
303 done = 1;
304 }
305
306 int
307 itecngetc(dev)
308 dev_t dev;
309 {
310 int c;
311
312 /* XXX this should be moved */
313 if (!kbd_init) {
314 kbd_init = 1;
315 kbdenable();
316 }
317 do {
318 c = kbdgetcn();
319 c = ite_cnfilter(c, ITEFILT_CONSOLE);
320 } while (c == -1);
321 return (c);
322 }
323
324 void
325 itecnputc(dev, c)
326 dev_t dev;
327 int c;
328 {
329 static int paniced;
330 struct ite_softc *ip;
331 char ch;
332
333 ip = getitesp(dev);
334 ch = c;
335
336 if (panicstr && !paniced &&
337 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
338 (void)ite_on(dev, 3);
339 paniced = 1;
340 }
341 iteputchar(ch, ip);
342 }
343
344 /*
345 * standard entry points to the device.
346 */
347
348 /*
349 * iteinit() is the standard entry point for initialization of
350 * an ite device, it is also called from itecninit().
351 *
352 */
353 void
354 iteinit(dev)
355 dev_t dev;
356 {
357 extern int atari_realconfig;
358 struct ite_softc *ip;
359
360 ip = getitesp(dev);
361 if (ip->flags & ITE_INITED)
362 return;
363 if (atari_realconfig) {
364 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap)
365 free(ip->kbdmap, M_DEVBUF);
366 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK);
367 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap));
368 }
369 else ip->kbdmap = &ascii_kbdmap;
370
371 ip->cursorx = 0;
372 ip->cursory = 0;
373 SUBR_INIT(ip);
374 SUBR_CURSOR(ip, DRAW_CURSOR);
375 if (ip->tabs == NULL)
376 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
377 ite_reset(ip);
378 ip->flags |= ITE_INITED;
379 }
380
381 int
382 iteopen(dev, mode, devtype, p)
383 dev_t dev;
384 int mode, devtype;
385 struct proc *p;
386 {
387 struct ite_softc *ip;
388 struct tty *tp;
389 int error, first, unit;
390
391 unit = ITEUNIT(dev);
392 first = 0;
393
394 if (((1 << unit) & ite_confunits) == 0)
395 return (ENXIO);
396
397 ip = getitesp(dev);
398
399 if (ip->tp == NULL) {
400 tp = ip->tp = ttymalloc();
401 tty_attach(tp);
402 }
403 else tp = ip->tp;
404
405 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
406 && p->p_ucred->cr_uid != 0)
407 return (EBUSY);
408 if ((ip->flags & ITE_ACTIVE) == 0) {
409 error = ite_on(dev, 0);
410 if (error)
411 return (error);
412 first = 1;
413 }
414 tp->t_oproc = itestart;
415 tp->t_param = ite_param;
416 tp->t_dev = dev;
417 if ((tp->t_state & TS_ISOPEN) == 0) {
418 ttychars(tp);
419 tp->t_iflag = TTYDEF_IFLAG;
420 tp->t_oflag = TTYDEF_OFLAG;
421 tp->t_cflag = TTYDEF_CFLAG;
422 tp->t_lflag = TTYDEF_LFLAG;
423 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
424 tp->t_state = TS_WOPEN | TS_CARR_ON;
425 ttsetwater(tp);
426 }
427 error = (*linesw[tp->t_line].l_open) (dev, tp);
428 if (error == 0) {
429 tp->t_winsize.ws_row = ip->rows;
430 tp->t_winsize.ws_col = ip->cols;
431 if (!kbd_init) {
432 kbd_init = 1;
433 kbdenable();
434 }
435 } else if (first)
436 ite_off(dev, 0);
437 return (error);
438 }
439
440 int
441 iteclose(dev, flag, mode, p)
442 dev_t dev;
443 int flag, mode;
444 struct proc *p;
445 {
446 struct tty *tp;
447
448 tp = getitesp(dev)->tp;
449
450 KDASSERT(tp);
451 (*linesw[tp->t_line].l_close) (tp, flag);
452 ttyclose(tp);
453 ite_off(dev, 0);
454 return (0);
455 }
456
457 int
458 iteread(dev, uio, flag)
459 dev_t dev;
460 struct uio *uio;
461 int flag;
462 {
463 struct tty *tp;
464
465 tp = getitesp(dev)->tp;
466
467 KDASSERT(tp);
468 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
469 }
470
471 int
472 itewrite(dev, uio, flag)
473 dev_t dev;
474 struct uio *uio;
475 int flag;
476 {
477 struct tty *tp;
478
479 tp = getitesp(dev)->tp;
480
481 KDASSERT(tp);
482 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
483 }
484
485 int
486 itestop(tp, flag)
487 struct tty *tp;
488 int flag;
489 {
490 return (0);
491 }
492
493 struct tty *
494 itetty(dev)
495 dev_t dev;
496 {
497 return(getitesp(dev)->tp);
498 }
499
500 int
501 iteioctl(dev, cmd, addr, flag, p)
502 dev_t dev;
503 u_long cmd;
504 int flag;
505 caddr_t addr;
506 struct proc *p;
507 {
508 struct iterepeat *irp;
509 struct ite_softc *ip;
510 struct tty *tp;
511 int error;
512
513 ip = getitesp(dev);
514 tp = ip->tp;
515
516 KDASSERT(tp);
517
518 error = (*linesw[tp->t_line].l_ioctl) (tp, cmd, addr, flag, p);
519 if(error >= 0)
520 return (error);
521 error = ttioctl(tp, cmd, addr, flag, p);
522 if (error >= 0)
523 return (error);
524
525 switch (cmd) {
526 case ITEIOCSKMAP:
527 if (addr == 0)
528 return(EFAULT);
529 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap));
530 return(0);
531 case ITEIOCSSKMAP:
532 if (addr == 0)
533 return(EFAULT);
534 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap));
535 return(0);
536 case ITEIOCGKMAP:
537 if (addr == NULL)
538 return(EFAULT);
539 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap));
540 return(0);
541 case ITEIOCGREPT:
542 irp = (struct iterepeat *)addr;
543 irp->start = start_repeat_timeo;
544 irp->next = next_repeat_timeo;
545 return(0);
546 case ITEIOCSREPT:
547 irp = (struct iterepeat *)addr;
548 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT)
549 return(EINVAL);
550 start_repeat_timeo = irp->start;
551 next_repeat_timeo = irp->next;
552 return(0);
553 }
554 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
555 if(error >= 0)
556 return(error);
557 return (ENOTTY);
558 }
559
560 void
561 itestart(tp)
562 struct tty *tp;
563 {
564 struct clist *rbp;
565 struct ite_softc *ip;
566 u_char buf[ITEBURST];
567 int s, len;
568
569 ip = getitesp(tp->t_dev);
570
571 KDASSERT(tp);
572
573 s = spltty(); {
574 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
575 goto out;
576
577 tp->t_state |= TS_BUSY;
578 rbp = &tp->t_outq;
579
580 len = q_to_b(rbp, buf, ITEBURST);
581 } splx(s);
582
583 /* Here is a really good place to implement pre/jumpscroll() */
584 ite_putstr((char *)buf, len, tp->t_dev);
585
586 s = spltty(); {
587 tp->t_state &= ~TS_BUSY;
588 /* we have characters remaining. */
589 if (rbp->c_cc) {
590 tp->t_state |= TS_TIMEOUT;
591 timeout(ttrstrt, tp, 1);
592 }
593 /* wakeup we are below */
594 if (rbp->c_cc <= tp->t_lowat) {
595 if (tp->t_state & TS_ASLEEP) {
596 tp->t_state &= ~TS_ASLEEP;
597 wakeup((caddr_t) rbp);
598 }
599 selwakeup(&tp->t_wsel);
600 }
601 out: ;
602 } splx(s);
603 }
604
605 int
606 ite_on(dev, flag)
607 dev_t dev;
608 int flag;
609 {
610 struct ite_softc *ip;
611 int unit;
612
613 unit = ITEUNIT(dev);
614 if (((1 << unit) & ite_confunits) == 0)
615 return (ENXIO);
616
617 ip = getitesp(dev);
618
619 /* force ite active, overriding graphics mode */
620 if (flag & 1) {
621 ip->flags |= ITE_ACTIVE;
622 ip->flags &= ~(ITE_INGRF | ITE_INITED);
623 }
624 /* leave graphics mode */
625 if (flag & 2) {
626 ip->flags &= ~ITE_INGRF;
627 if ((ip->flags & ITE_ACTIVE) == 0)
628 return (0);
629 }
630 ip->flags |= ITE_ACTIVE;
631 if (ip->flags & ITE_INGRF)
632 return (0);
633 iteinit(dev);
634 return (0);
635 }
636
637 void
638 ite_off(dev, flag)
639 dev_t dev;
640 int flag;
641 {
642 struct ite_softc *ip;
643
644 ip = getitesp(dev);
645 if (flag & 2)
646 ip->flags |= ITE_INGRF;
647 if ((ip->flags & ITE_ACTIVE) == 0)
648 return;
649 if ((flag & 1) ||
650 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
651 SUBR_DEINIT(ip);
652 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
653 ip->flags &= ~ITE_ACTIVE;
654 }
655
656 static void
657 ite_switch(unit)
658 int unit;
659 {
660 struct ite_softc *ip;
661
662 if(!(ite_confunits & (1 << unit)))
663 return; /* Don't try unconfigured units */
664 ip = getitesp(unit);
665 if(!(ip->flags & ITE_INITED))
666 return;
667
668 /*
669 * If switching to an active ite, also switch the keyboard.
670 */
671 if(ip->flags & ITE_ACTIVE)
672 kbd_ite = ip;
673
674 /*
675 * Now make it visible
676 */
677 viewioctl(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 0, NOPROC);
678 }
679
680 /* XXX called after changes made in underlying grf layer. */
681 /* I want to nuke this */
682 void
683 ite_reinit(dev)
684 dev_t dev;
685 {
686 struct ite_softc *ip;
687
688 ip = getitesp(dev);
689 ip->flags &= ~ITE_INITED;
690 iteinit(dev);
691 }
692
693 int
694 ite_param(tp, t)
695 struct tty *tp;
696 struct termios *t;
697 {
698 tp->t_ispeed = t->c_ispeed;
699 tp->t_ospeed = t->c_ospeed;
700 tp->t_cflag = t->c_cflag;
701 return (0);
702 }
703
704 void
705 ite_reset(ip)
706 struct ite_softc *ip;
707 {
708 int i;
709
710 ip->curx = 0;
711 ip->cury = 0;
712 ip->attribute = ATTR_NOR;
713 ip->save_curx = 0;
714 ip->save_cury = 0;
715 ip->save_attribute = ATTR_NOR;
716 ip->ap = ip->argbuf;
717 ip->emul_level = 0;
718 ip->eightbit_C1 = 0;
719 ip->top_margin = 0;
720 ip->bottom_margin = ip->rows - 1;
721 ip->inside_margins = 0;
722 ip->linefeed_newline = 0;
723 ip->auto_wrap = ite_default_wrap;
724 ip->cursor_appmode = 0;
725 ip->keypad_appmode = 0;
726 ip->imode = 0;
727 ip->key_repeat = 1;
728 bzero(ip->tabs, ip->cols);
729 for (i = 0; i < ip->cols; i++)
730 ip->tabs[i] = ((i & 7) == 0);
731 }
732
733 /*
734 * has to be global becuase of the shared filters.
735 */
736 static u_char key_mod;
737 static u_char last_dead;
738
739 /* Used in console at startup only */
740 int
741 ite_cnfilter(c, caller)
742 u_int c;
743 enum caller caller;
744 {
745 struct key key;
746 struct kbdmap *kbdmap;
747 u_char code, up, mask;
748 int s;
749
750 up = KBD_RELEASED(c);
751 c = KBD_SCANCODE(c);
752 code = 0;
753 mask = 0;
754 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap;
755
756 s = spltty();
757
758 /*
759 * Handle special keys
760 */
761 switch(c) {
762 case KBD_LEFT_SHIFT:
763 mask = KBD_MOD_LSHIFT;
764 break;
765 case KBD_RIGHT_SHIFT:
766 mask = KBD_MOD_RSHIFT;
767 break;
768 case KBD_CTRL:
769 mask = KBD_MOD_CTRL;
770 break;
771 case KBD_ALT:
772 mask = KBD_MOD_ALT;
773 break;
774 case KBD_CAPS_LOCK:
775 /* CAPSLOCK is a toggle */
776 if(!up)
777 key_mod ^= KBD_MOD_CAPS;
778 splx(s);
779 return -1;
780 break;
781 }
782 if(mask) {
783 if(up)
784 key_mod &= ~mask;
785 else
786 key_mod |= mask;
787 splx(s);
788 return -1;
789 }
790
791 /*
792 * No special action if key released
793 */
794 if(up) {
795 splx(s);
796 return -1;
797 }
798
799 /* translate modifiers */
800 if(key_mod & KBD_MOD_SHIFT) {
801 if(key_mod & KBD_MOD_ALT)
802 key = kbdmap->alt_shift_keys[c];
803 else key = kbdmap->shift_keys[c];
804 }
805 else if(key_mod & KBD_MOD_ALT)
806 key = kbdmap->alt_keys[c];
807 else {
808 key = kbdmap->keys[c];
809 /*
810 * If CAPS and key is CAPable (no pun intended)
811 */
812 if((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
813 key = kbdmap->shift_keys[c];
814 }
815 code = key.code;
816
817 #ifdef notyet /* LWP: Didn't have time to look at this yet */
818 /*
819 * If string return simple console filter
820 */
821 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
822 splx(s);
823 return -1;
824 }
825 /* handle dead keys */
826 if(key->mode & KBD_MODE_DEAD) {
827 /* if entered twice, send accent itself */
828 if (last_dead == key->mode & KBD_MODE_ACCMASK)
829 last_dead = 0;
830 else {
831 last_dead = key->mode & KBD_MODE_ACCMASK;
832 splx(s);
833 return -1;
834 }
835 }
836 if(last_dead) {
837 /* can't apply dead flag to string-keys */
838 if (code >= '@' && code < 0x7f)
839 code =
840 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
841 last_dead = 0;
842 }
843 #endif
844 if(key_mod & KBD_MOD_CTRL)
845 code &= 0x1f;
846
847 /*
848 * Do console mapping.
849 */
850 code = code == '\r' ? '\n' : code;
851
852 splx(s);
853 return (code);
854 }
855
856 /* And now the old stuff. */
857
858 /* these are used to implement repeating keys.. */
859 static u_int last_char;
860 static u_char tout_pending;
861
862 /*ARGSUSED*/
863 static void
864 repeat_handler(arg)
865 void *arg;
866 {
867 tout_pending = 0;
868 if(last_char)
869 add_sicallback((si_farg)ite_filter, (void *)last_char,
870 (void *)ITEFILT_REPEATER);
871 }
872
873 void
874 ite_filter(c, caller)
875 u_int c;
876 enum caller caller;
877 {
878 struct tty *kbd_tty;
879 struct kbdmap *kbdmap;
880 u_char code, *str, up, mask;
881 struct key key;
882 int s, i;
883
884 if(kbd_ite == NULL)
885 return;
886
887 kbd_tty = kbd_ite->tp;
888 kbdmap = kbd_ite->kbdmap;
889
890 up = KBD_RELEASED(c);
891 c = KBD_SCANCODE(c);
892 code = 0;
893 mask = 0;
894
895 /* have to make sure we're at spltty in here */
896 s = spltty();
897
898 /*
899 * keyboard interrupts come at priority 2, while softint
900 * generated keyboard-repeat interrupts come at level 1. So,
901 * to not allow a key-up event to get thru before a repeat for
902 * the key-down, we remove any outstanding callout requests..
903 */
904 rem_sicallback((si_farg)ite_filter);
905
906
907 /*
908 * Handle special keys
909 */
910 switch(c) {
911 case KBD_LEFT_SHIFT:
912 mask = KBD_MOD_LSHIFT;
913 break;
914 case KBD_RIGHT_SHIFT:
915 mask = KBD_MOD_RSHIFT;
916 break;
917 case KBD_CTRL:
918 mask = KBD_MOD_CTRL;
919 break;
920 case KBD_ALT:
921 mask = KBD_MOD_ALT;
922 break;
923 case KBD_CAPS_LOCK:
924 /* CAPSLOCK is a toggle */
925 if(!up)
926 key_mod ^= KBD_MOD_CAPS;
927 splx(s);
928 return;
929 break;
930 }
931 if(mask) {
932 if(up)
933 key_mod &= ~mask;
934 else
935 key_mod |= mask;
936 splx(s);
937 return;
938 }
939
940 /*
941 * Stop repeating on up event
942 */
943 if (up) {
944 if(tout_pending) {
945 untimeout(repeat_handler, 0);
946 tout_pending = 0;
947 last_char = 0;
948 }
949 splx(s);
950 return;
951 }
952 else if(tout_pending && last_char != c) {
953 /*
954 * Different character, stop also
955 */
956 untimeout(repeat_handler, 0);
957 tout_pending = 0;
958 last_char = 0;
959 }
960
961 /*
962 * Handle ite-switching ALT + Fx
963 */
964 if((key_mod == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
965 ite_switch(c - 0x3b);
966 splx(s);
967 return;
968 }
969 /*
970 * Safety button, switch back to ascii keymap.
971 */
972 if(key_mod == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
973 /* ALT + LSHIFT + F1 */
974 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap));
975 splx(s);
976 return;
977 #ifdef DDB
978 }
979 else if(key_mod == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) {
980 /* ALT + LSHIFT + F9 */
981 Debugger();
982 splx(s);
983 return;
984 #endif
985 }
986
987 /*
988 * The rest of the code is senseless when the device is not open.
989 */
990 if(kbd_tty == NULL) {
991 splx(s);
992 return;
993 }
994
995 /*
996 * Translate modifiers
997 */
998 if(key_mod & KBD_MOD_SHIFT) {
999 if(key_mod & KBD_MOD_ALT)
1000 key = kbdmap->alt_shift_keys[c];
1001 else key = kbdmap->shift_keys[c];
1002 }
1003 else if(key_mod & KBD_MOD_ALT)
1004 key = kbdmap->alt_keys[c];
1005 else {
1006 key = kbdmap->keys[c];
1007 /*
1008 * If CAPS and key is CAPable (no pun intended)
1009 */
1010 if((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
1011 key = kbdmap->shift_keys[c];
1012 }
1013 code = key.code;
1014
1015 /*
1016 * Arrange to repeat the keystroke. By doing this at the level
1017 * of scan-codes, we can have function keys, and keys that
1018 * send strings, repeat too. This also entitles an additional
1019 * overhead, since we have to do the conversion each time, but
1020 * I guess that's ok.
1021 */
1022 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
1023 tout_pending = 1;
1024 last_char = c;
1025 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
1026 }
1027 else if(!tout_pending && caller==ITEFILT_REPEATER
1028 && kbd_ite->key_repeat) {
1029 tout_pending = 1;
1030 last_char = c;
1031 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
1032 }
1033 /* handle dead keys */
1034 if (key.mode & KBD_MODE_DEAD) {
1035 /* if entered twice, send accent itself */
1036 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
1037 last_dead = 0;
1038 else {
1039 last_dead = key.mode & KBD_MODE_ACCMASK;
1040 splx(s);
1041 return;
1042 }
1043 }
1044 if (last_dead) {
1045 /* can't apply dead flag to string-keys */
1046 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
1047 code < 0x7f)
1048 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
1049 last_dead = 0;
1050 }
1051
1052 /*
1053 * If not string, apply CTRL modifiers
1054 */
1055 if(!(key.mode & KBD_MODE_STRING)
1056 && (!(key.mode & KBD_MODE_KPAD)
1057 || (kbd_ite && !kbd_ite->keypad_appmode))) {
1058 if(key_mod & KBD_MOD_CTRL)
1059 code &= 0x1f;
1060 }
1061 else if((key.mode & KBD_MODE_KPAD)
1062 && (kbd_ite && kbd_ite->keypad_appmode)) {
1063 static char *in = "0123456789-+.\r()/*";
1064 static char *out = "pqrstuvwxymlnMPQRS";
1065 char *cp = index(in, code);
1066
1067 /*
1068 * keypad-appmode sends SS3 followed by the above
1069 * translated character
1070 */
1071 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
1072 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty);
1073 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
1074 splx(s);
1075 return;
1076 } else {
1077 /* *NO* I don't like this.... */
1078 static u_char app_cursor[] =
1079 {
1080 3, 27, 'O', 'A',
1081 3, 27, 'O', 'B',
1082 3, 27, 'O', 'C',
1083 3, 27, 'O', 'D'};
1084
1085 str = kbdmap->strings + code;
1086 /*
1087 * if this is a cursor key, AND it has the default
1088 * keymap setting, AND we're in app-cursor mode, switch
1089 * to the above table. This is *nasty* !
1090 */
1091 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50))
1092 && kbd_ite->cursor_appmode
1093 && !bcmp(str, "\x03\x1b[", 3) &&
1094 index("ABCD", str[3]))
1095 str = app_cursor + 4 * (str[3] - 'A');
1096
1097 /*
1098 * using a length-byte instead of 0-termination allows
1099 * to embed \0 into strings, although this is not used
1100 * in the default keymap
1101 */
1102 for (i = *str++; i; i--)
1103 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1104 splx(s);
1105 return;
1106 }
1107 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
1108
1109 splx(s);
1110 return;
1111 }
1112
1113 /* helper functions, makes the code below more readable */
1114 static __inline__ void
1115 ite_sendstr(str)
1116 char *str;
1117 {
1118 struct tty *kbd_tty;
1119
1120 kbd_tty = kbd_ite->tp;
1121 KDASSERT(kbd_tty);
1122 while (*str)
1123 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1124 }
1125
1126 static void
1127 alignment_display(ip)
1128 struct ite_softc *ip;
1129 {
1130 int i, j;
1131
1132 for (j = 0; j < ip->rows; j++)
1133 for (i = 0; i < ip->cols; i++)
1134 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1135 attrclr(ip, 0, 0, ip->rows, ip->cols);
1136 SUBR_CURSOR(ip, DRAW_CURSOR);
1137 }
1138
1139 static __inline__ void
1140 snap_cury(ip)
1141 struct ite_softc *ip;
1142 {
1143 if (ip->inside_margins)
1144 {
1145 if (ip->cury < ip->top_margin)
1146 ip->cury = ip->top_margin;
1147 if (ip->cury > ip->bottom_margin)
1148 ip->cury = ip->bottom_margin;
1149 }
1150 }
1151
1152 static __inline__ void
1153 ite_dnchar(ip, n)
1154 struct ite_softc *ip;
1155 int n;
1156 {
1157 n = min(n, ip->cols - ip->curx);
1158 if (n < ip->cols - ip->curx)
1159 {
1160 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1161 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1162 1, ip->cols - ip->curx - n);
1163 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1164 }
1165 while (n-- > 0)
1166 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1167 SUBR_CURSOR(ip, DRAW_CURSOR);
1168 }
1169
1170 static __inline__ void
1171 ite_inchar(ip, n)
1172 struct ite_softc *ip;
1173 int n;
1174 {
1175 n = min(n, ip->cols - ip->curx);
1176 if (n < ip->cols - ip->curx)
1177 {
1178 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1179 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1180 1, ip->cols - ip->curx - n);
1181 attrclr(ip, ip->cury, ip->curx, 1, n);
1182 }
1183 while (n--)
1184 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1185 SUBR_CURSOR(ip, DRAW_CURSOR);
1186 }
1187
1188 static __inline__ void
1189 ite_clrtoeol(ip)
1190 struct ite_softc *ip;
1191 {
1192 int y = ip->cury, x = ip->curx;
1193 if (ip->cols - x > 0)
1194 {
1195 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1196 attrclr(ip, y, x, 1, ip->cols - x);
1197 SUBR_CURSOR(ip, DRAW_CURSOR);
1198 }
1199 }
1200
1201 static __inline__ void
1202 ite_clrtobol(ip)
1203 struct ite_softc *ip;
1204 {
1205 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1206 SUBR_CLEAR(ip, y, 0, 1, x);
1207 attrclr(ip, y, 0, 1, x);
1208 SUBR_CURSOR(ip, DRAW_CURSOR);
1209 }
1210
1211 static __inline__ void
1212 ite_clrline(ip)
1213 struct ite_softc *ip;
1214 {
1215 int y = ip->cury;
1216 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1217 attrclr(ip, y, 0, 1, ip->cols);
1218 SUBR_CURSOR(ip, DRAW_CURSOR);
1219 }
1220
1221
1222
1223 static __inline__ void
1224 ite_clrtoeos(ip)
1225 struct ite_softc *ip;
1226 {
1227 ite_clrtoeol(ip);
1228 if (ip->cury < ip->rows - 1)
1229 {
1230 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1231 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1232 SUBR_CURSOR(ip, DRAW_CURSOR);
1233 }
1234 }
1235
1236 static __inline__ void
1237 ite_clrtobos(ip)
1238 struct ite_softc *ip;
1239 {
1240 ite_clrtobol(ip);
1241 if (ip->cury > 0)
1242 {
1243 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1244 attrclr(ip, 0, 0, ip->cury, ip->cols);
1245 SUBR_CURSOR(ip, DRAW_CURSOR);
1246 }
1247 }
1248
1249 static __inline__ void
1250 ite_clrscreen(ip)
1251 struct ite_softc *ip;
1252 {
1253 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1254 attrclr(ip, 0, 0, ip->rows, ip->cols);
1255 SUBR_CURSOR(ip, DRAW_CURSOR);
1256 }
1257
1258
1259
1260 static __inline__ void
1261 ite_dnline(ip, n)
1262 struct ite_softc *ip;
1263 int n;
1264 {
1265 /* interesting.. if the cursor is outside the scrolling
1266 region, this command is simply ignored.. */
1267 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1268 return;
1269
1270 n = min(n, ip->bottom_margin + 1 - ip->cury);
1271 if (n <= ip->bottom_margin - ip->cury)
1272 {
1273 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1274 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1275 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1276 }
1277 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1278 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1279 SUBR_CURSOR(ip, DRAW_CURSOR);
1280 }
1281
1282 static __inline__ void
1283 ite_inline(ip, n)
1284 struct ite_softc *ip;
1285 int n;
1286 {
1287 /* interesting.. if the cursor is outside the scrolling
1288 region, this command is simply ignored.. */
1289 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1290 return;
1291
1292 n = min(n, ip->bottom_margin + 1 - ip->cury);
1293 if (n <= ip->bottom_margin - ip->cury)
1294 {
1295 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1296 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1297 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1298 }
1299 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1300 attrclr(ip, ip->cury, 0, n, ip->cols);
1301 SUBR_CURSOR(ip, DRAW_CURSOR);
1302 }
1303
1304 static __inline__ void
1305 ite_lf (ip)
1306 struct ite_softc *ip;
1307 {
1308 ++ip->cury;
1309 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1310 {
1311 ip->cury--;
1312 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1313 ite_clrline(ip);
1314 }
1315 SUBR_CURSOR(ip, MOVE_CURSOR);
1316 clr_attr(ip, ATTR_INV);
1317 }
1318
1319 static __inline__ void
1320 ite_crlf (ip)
1321 struct ite_softc *ip;
1322 {
1323 ip->curx = 0;
1324 ite_lf (ip);
1325 }
1326
1327 static __inline__ void
1328 ite_cr (ip)
1329 struct ite_softc *ip;
1330 {
1331 if (ip->curx)
1332 {
1333 ip->curx = 0;
1334 SUBR_CURSOR(ip, MOVE_CURSOR);
1335 }
1336 }
1337
1338 static __inline__ void
1339 ite_rlf (ip)
1340 struct ite_softc *ip;
1341 {
1342 ip->cury--;
1343 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1344 {
1345 ip->cury++;
1346 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1347 ite_clrline(ip);
1348 }
1349 SUBR_CURSOR(ip, MOVE_CURSOR);
1350 clr_attr(ip, ATTR_INV);
1351 }
1352
1353 static __inline__ int
1354 atoi (cp)
1355 const char *cp;
1356 {
1357 int n;
1358
1359 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1360 n = n * 10 + *cp - '0';
1361
1362 return n;
1363 }
1364
1365 static char *
1366 index (cp, ch)
1367 const char *cp;
1368 int ch;
1369 {
1370 while (*cp && *cp != ch) cp++;
1371 return *cp ? (char *) cp : 0;
1372 }
1373
1374
1375 static __inline__ int
1376 ite_argnum (ip)
1377 struct ite_softc *ip;
1378 {
1379 char ch;
1380 int n;
1381
1382 /* convert argument string into number */
1383 if (ip->ap == ip->argbuf)
1384 return 1;
1385 ch = *ip->ap;
1386 *ip->ap = 0;
1387 n = atoi (ip->argbuf);
1388 *ip->ap = ch;
1389
1390 return n;
1391 }
1392
1393 static __inline__ int
1394 ite_zargnum (ip)
1395 struct ite_softc *ip;
1396 {
1397 char ch;
1398 int n;
1399
1400 /* convert argument string into number */
1401 if (ip->ap == ip->argbuf)
1402 return 0;
1403 ch = *ip->ap;
1404 *ip->ap = 0;
1405 n = atoi (ip->argbuf);
1406 *ip->ap = ch;
1407
1408 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1409 }
1410
1411 void
1412 ite_putstr(s, len, dev)
1413 const u_char *s;
1414 int len;
1415 dev_t dev;
1416 {
1417 struct ite_softc *ip;
1418 int i;
1419
1420 ip = getitesp(dev);
1421
1422 /* XXX avoid problems */
1423 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1424 return;
1425
1426 SUBR_CURSOR(ip, START_CURSOROPT);
1427 for (i = 0; i < len; i++)
1428 if (s[i])
1429 iteputchar(s[i], ip);
1430 SUBR_CURSOR(ip, END_CURSOROPT);
1431 }
1432
1433
1434 void
1435 iteputchar(c, ip)
1436 register int c;
1437 struct ite_softc *ip;
1438 {
1439 struct tty *kbd_tty;
1440 int n, x, y;
1441 char *cp;
1442
1443 if (kbd_ite == NULL)
1444 kbd_tty = NULL;
1445 else
1446 kbd_tty = kbd_ite->tp;
1447
1448 if (ip->escape)
1449 {
1450 switch (ip->escape)
1451 {
1452 case ESC:
1453 switch (c)
1454 {
1455 /* first 7bit equivalents for the 8bit control characters */
1456
1457 case 'D':
1458 c = IND;
1459 ip->escape = 0;
1460 break; /* and fall into the next switch below (same for all `break') */
1461
1462 case 'E':
1463 c = NEL;
1464 ip->escape = 0;
1465 break;
1466
1467 case 'H':
1468 c = HTS;
1469 ip->escape = 0;
1470 break;
1471
1472 case 'M':
1473 c = RI;
1474 ip->escape = 0;
1475 break;
1476
1477 case 'N':
1478 c = SS2;
1479 ip->escape = 0;
1480 break;
1481
1482 case 'O':
1483 c = SS3;
1484 ip->escape = 0;
1485 break;
1486
1487 case 'P':
1488 c = DCS;
1489 ip->escape = 0;
1490 break;
1491
1492 case '[':
1493 c = CSI;
1494 ip->escape = 0;
1495 break;
1496
1497 case '\\':
1498 c = ST;
1499 ip->escape = 0;
1500 break;
1501
1502 case ']':
1503 c = OSC;
1504 ip->escape = 0;
1505 break;
1506
1507 case '^':
1508 c = PM;
1509 ip->escape = 0;
1510 break;
1511
1512 case '_':
1513 c = APC;
1514 ip->escape = 0;
1515 break;
1516
1517
1518 /* introduces 7/8bit control */
1519 case ' ':
1520 /* can be followed by either F or G */
1521 ip->escape = ' ';
1522 break;
1523
1524
1525 /* a lot of character set selections, not yet used...
1526 94-character sets: */
1527 case '(': /* G0 */
1528 case ')': /* G1 */
1529 ip->escape = c;
1530 return;
1531
1532 case '*': /* G2 */
1533 case '+': /* G3 */
1534 case 'B': /* ASCII */
1535 case 'A': /* ISO latin 1 */
1536 case '<': /* user preferred suplemental */
1537 case '0': /* dec special graphics */
1538
1539 /* 96-character sets: */
1540 case '-': /* G1 */
1541 case '.': /* G2 */
1542 case '/': /* G3 */
1543
1544 /* national character sets: */
1545 case '4': /* dutch */
1546 case '5':
1547 case 'C': /* finnish */
1548 case 'R': /* french */
1549 case 'Q': /* french canadian */
1550 case 'K': /* german */
1551 case 'Y': /* italian */
1552 case '6': /* norwegian/danish */
1553 /* note: %5 and %6 are not supported (two chars..) */
1554
1555 ip->escape = 0;
1556 /* just ignore for now */
1557 return;
1558
1559
1560 /* locking shift modes (as you might guess, not yet supported..) */
1561 case '`':
1562 ip->GR = ip->G1;
1563 ip->escape = 0;
1564 return;
1565
1566 case 'n':
1567 ip->GL = ip->G2;
1568 ip->escape = 0;
1569 return;
1570
1571 case '}':
1572 ip->GR = ip->G2;
1573 ip->escape = 0;
1574 return;
1575
1576 case 'o':
1577 ip->GL = ip->G3;
1578 ip->escape = 0;
1579 return;
1580
1581 case '|':
1582 ip->GR = ip->G3;
1583 ip->escape = 0;
1584 return;
1585
1586
1587 /* font width/height control */
1588 case '#':
1589 ip->escape = '#';
1590 return;
1591
1592
1593 /* hard terminal reset .. */
1594 case 'c':
1595 ite_reset (ip);
1596 SUBR_CURSOR(ip, MOVE_CURSOR);
1597 ip->escape = 0;
1598 return;
1599
1600
1601 case '7':
1602 ip->save_curx = ip->curx;
1603 ip->save_cury = ip->cury;
1604 ip->save_attribute = ip->attribute;
1605 ip->escape = 0;
1606 return;
1607
1608 case '8':
1609 ip->curx = ip->save_curx;
1610 ip->cury = ip->save_cury;
1611 ip->attribute = ip->save_attribute;
1612 SUBR_CURSOR(ip, MOVE_CURSOR);
1613 ip->escape = 0;
1614 return;
1615
1616 case '=':
1617 ip->keypad_appmode = 1;
1618 ip->escape = 0;
1619 return;
1620
1621 case '>':
1622 ip->keypad_appmode = 0;
1623 ip->escape = 0;
1624 return;
1625
1626 case 'Z': /* request ID */
1627 if (ip->emul_level == EMUL_VT100)
1628 ite_sendstr ("\033[?61;0c"); /* XXX not clean */
1629 else
1630 ite_sendstr ("\033[?63;0c"); /* XXX not clean */
1631 ip->escape = 0;
1632 return;
1633
1634 /* default catch all for not recognized ESC sequences */
1635 default:
1636 ip->escape = 0;
1637 return;
1638 }
1639 break;
1640
1641
1642 case '(':
1643 case ')':
1644 ip->escape = 0;
1645 return;
1646
1647
1648 case ' ':
1649 switch (c)
1650 {
1651 case 'F':
1652 ip->eightbit_C1 = 0;
1653 ip->escape = 0;
1654 return;
1655
1656 case 'G':
1657 ip->eightbit_C1 = 1;
1658 ip->escape = 0;
1659 return;
1660
1661 default:
1662 /* not supported */
1663 ip->escape = 0;
1664 return;
1665 }
1666 break;
1667
1668
1669 case '#':
1670 switch (c)
1671 {
1672 case '5':
1673 /* single height, single width */
1674 ip->escape = 0;
1675 return;
1676
1677 case '6':
1678 /* double width, single height */
1679 ip->escape = 0;
1680 return;
1681
1682 case '3':
1683 /* top half */
1684 ip->escape = 0;
1685 return;
1686
1687 case '4':
1688 /* bottom half */
1689 ip->escape = 0;
1690 return;
1691
1692 case '8':
1693 /* screen alignment pattern... */
1694 alignment_display (ip);
1695 ip->escape = 0;
1696 return;
1697
1698 default:
1699 ip->escape = 0;
1700 return;
1701 }
1702 break;
1703
1704
1705
1706 case CSI:
1707 /* the biggie... */
1708 switch (c)
1709 {
1710 case '0': case '1': case '2': case '3': case '4':
1711 case '5': case '6': case '7': case '8': case '9':
1712 case ';': case '\"': case '$': case '>':
1713 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1714 *ip->ap++ = c;
1715 return;
1716
1717 case BS:
1718 /* you wouldn't believe such perversion is possible?
1719 it is.. BS is allowed in between cursor sequences
1720 (at least), according to vttest.. */
1721 if (--ip->curx < 0)
1722 ip->curx = 0;
1723 else
1724 SUBR_CURSOR(ip, MOVE_CURSOR);
1725 break;
1726
1727 case 'p':
1728 *ip->ap = 0;
1729 if (! strncmp (ip->argbuf, "61\"", 3))
1730 ip->emul_level = EMUL_VT100;
1731 else if (! strncmp (ip->argbuf, "63;1\"", 5)
1732 || ! strncmp (ip->argbuf, "62;1\"", 5))
1733 ip->emul_level = EMUL_VT300_7;
1734 else
1735 ip->emul_level = EMUL_VT300_8;
1736 ip->escape = 0;
1737 return;
1738
1739
1740 case '?':
1741 *ip->ap = 0;
1742 ip->escape = '?';
1743 ip->ap = ip->argbuf;
1744 return;
1745
1746
1747 case 'c':
1748 *ip->ap = 0;
1749 if (ip->argbuf[0] == '>')
1750 {
1751 ite_sendstr ("\033[>24;0;0;0c");
1752 }
1753 else switch (ite_zargnum(ip))
1754 {
1755 case 0:
1756 /* primary DA request, send primary DA response */
1757 if (ip->emul_level == EMUL_VT100)
1758 ite_sendstr ("\033[?1;1c");
1759 else
1760 ite_sendstr ("\033[?63;1c");
1761 break;
1762 }
1763 ip->escape = 0;
1764 return;
1765
1766 case 'n':
1767 switch (ite_zargnum(ip))
1768 {
1769 case 5:
1770 ite_sendstr ("\033[0n"); /* no malfunction */
1771 break;
1772 case 6:
1773 /* cursor position report */
1774 sprintf (ip->argbuf, "\033[%d;%dR",
1775 ip->cury + 1, ip->curx + 1);
1776 ite_sendstr (ip->argbuf);
1777 break;
1778 }
1779 ip->escape = 0;
1780 return;
1781
1782
1783 case 'x':
1784 switch (ite_zargnum(ip))
1785 {
1786 case 0:
1787 /* Fake some terminal parameters. */
1788 ite_sendstr ("\033[2;1;1;112;112;1;0x");
1789 break;
1790 case 1:
1791 ite_sendstr ("\033[3;1;1;112;112;1;0x");
1792 break;
1793 }
1794 ip->escape = 0;
1795 return;
1796
1797
1798 case 'g':
1799 switch (ite_zargnum(ip))
1800 {
1801 case 0:
1802 if (ip->curx < ip->cols)
1803 ip->tabs[ip->curx] = 0;
1804 break;
1805 case 3:
1806 for (n = 0; n < ip->cols; n++)
1807 ip->tabs[n] = 0;
1808 break;
1809 }
1810 ip->escape = 0;
1811 return;
1812
1813
1814 case 'h': case 'l':
1815 n = ite_zargnum (ip);
1816 switch (n)
1817 {
1818 case 4:
1819 ip->imode = (c == 'h'); /* insert/replace mode */
1820 break;
1821 case 20:
1822 ip->linefeed_newline = (c == 'h');
1823 break;
1824 }
1825 ip->escape = 0;
1826 return;
1827
1828
1829 case 'M':
1830 ite_dnline (ip, ite_argnum (ip));
1831 ip->escape = 0;
1832 return;
1833
1834
1835 case 'L':
1836 ite_inline (ip, ite_argnum (ip));
1837 ip->escape = 0;
1838 return;
1839
1840
1841 case 'P':
1842 ite_dnchar (ip, ite_argnum (ip));
1843 ip->escape = 0;
1844 return;
1845
1846
1847 case '@':
1848 ite_inchar (ip, ite_argnum (ip));
1849 ip->escape = 0;
1850 return;
1851
1852
1853 case 'G':
1854 /* this one was *not* in my vt320 manual but in
1855 a vt320 termcap entry.. who is right?
1856 It's supposed to set the horizontal cursor position. */
1857 *ip->ap = 0;
1858 x = atoi (ip->argbuf);
1859 if (x) x--;
1860 ip->curx = min(x, ip->cols - 1);
1861 ip->escape = 0;
1862 SUBR_CURSOR(ip, MOVE_CURSOR);
1863 clr_attr (ip, ATTR_INV);
1864 return;
1865
1866
1867 case 'd':
1868 /* same thing here, this one's for setting the absolute
1869 vertical cursor position. Not documented... */
1870 *ip->ap = 0;
1871 y = atoi (ip->argbuf);
1872 if (y) y--;
1873 if (ip->inside_margins)
1874 y += ip->top_margin;
1875 ip->cury = min(y, ip->rows - 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
1883 case 'H':
1884 case 'f':
1885 *ip->ap = 0;
1886 y = atoi (ip->argbuf);
1887 x = 0;
1888 cp = index (ip->argbuf, ';');
1889 if (cp)
1890 x = atoi (cp + 1);
1891 if (x) x--;
1892 if (y) y--;
1893 if (ip->inside_margins)
1894 y += ip->top_margin;
1895 ip->cury = min(y, ip->rows - 1);
1896 ip->curx = min(x, ip->cols - 1);
1897 ip->escape = 0;
1898 snap_cury(ip);
1899 SUBR_CURSOR(ip, MOVE_CURSOR);
1900 clr_attr (ip, ATTR_INV);
1901 return;
1902
1903 case 'A':
1904 n = ite_argnum (ip);
1905 n = ip->cury - (n ? n : 1);
1906 if (n < 0) n = 0;
1907 if (ip->inside_margins)
1908 n = max(ip->top_margin, n);
1909 else if (n == ip->top_margin - 1)
1910 /* allow scrolling outside region, but don't scroll out
1911 of active region without explicit CUP */
1912 n = ip->top_margin;
1913 ip->cury = n;
1914 ip->escape = 0;
1915 SUBR_CURSOR(ip, MOVE_CURSOR);
1916 clr_attr (ip, ATTR_INV);
1917 return;
1918
1919 case 'B':
1920 n = ite_argnum (ip);
1921 n = ip->cury + (n ? n : 1);
1922 n = min(ip->rows - 1, n);
1923 if (ip->inside_margins)
1924 n = min(ip->bottom_margin, n);
1925 else if (n == ip->bottom_margin + 1)
1926 /* allow scrolling outside region, but don't scroll out
1927 of active region without explicit CUP */
1928 n = ip->bottom_margin;
1929 ip->cury = n;
1930 ip->escape = 0;
1931 SUBR_CURSOR(ip, MOVE_CURSOR);
1932 clr_attr (ip, ATTR_INV);
1933 return;
1934
1935 case 'C':
1936 n = ite_argnum (ip);
1937 n = n ? n : 1;
1938 ip->curx = min(ip->curx + n, ip->cols - 1);
1939 ip->escape = 0;
1940 SUBR_CURSOR(ip, MOVE_CURSOR);
1941 clr_attr (ip, ATTR_INV);
1942 return;
1943
1944 case 'D':
1945 n = ite_argnum (ip);
1946 n = n ? n : 1;
1947 n = ip->curx - n;
1948 ip->curx = n >= 0 ? n : 0;
1949 ip->escape = 0;
1950 SUBR_CURSOR(ip, MOVE_CURSOR);
1951 clr_attr (ip, ATTR_INV);
1952 return;
1953
1954
1955
1956
1957 case 'J':
1958 *ip->ap = 0;
1959 n = ite_zargnum (ip);
1960 if (n == 0)
1961 ite_clrtoeos(ip);
1962 else if (n == 1)
1963 ite_clrtobos(ip);
1964 else if (n == 2)
1965 ite_clrscreen(ip);
1966 ip->escape = 0;
1967 return;
1968
1969
1970 case 'K':
1971 n = ite_zargnum (ip);
1972 if (n == 0)
1973 ite_clrtoeol(ip);
1974 else if (n == 1)
1975 ite_clrtobol(ip);
1976 else if (n == 2)
1977 ite_clrline(ip);
1978 ip->escape = 0;
1979 return;
1980
1981
1982 case 'X':
1983 n = ite_argnum(ip) - 1;
1984 n = min(n, ip->cols - 1 - ip->curx);
1985 for (; n >= 0; n--)
1986 {
1987 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1988 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1989 }
1990 ip->escape = 0;
1991 return;
1992
1993
1994 case '}': case '`':
1995 /* status line control */
1996 ip->escape = 0;
1997 return;
1998
1999
2000 case 'r':
2001 *ip->ap = 0;
2002 x = atoi (ip->argbuf);
2003 x = x ? x : 1;
2004 y = ip->rows;
2005 cp = index (ip->argbuf, ';');
2006 if (cp)
2007 {
2008 y = atoi (cp + 1);
2009 y = y ? y : ip->rows;
2010 }
2011 if (y - x < 2)
2012 {
2013 /* if illegal scrolling region, reset to defaults */
2014 x = 1;
2015 y = ip->rows;
2016 }
2017 x--;
2018 y--;
2019 ip->top_margin = min(x, ip->rows - 1);
2020 ip->bottom_margin = min(y, ip->rows - 1);
2021 if (ip->inside_margins)
2022 {
2023 ip->cury = ip->top_margin;
2024 ip->curx = 0;
2025 SUBR_CURSOR(ip, MOVE_CURSOR);
2026 }
2027 ip->escape = 0;
2028 return;
2029
2030
2031 case 'm':
2032 /* big attribute setter/resetter */
2033 {
2034 char *cp;
2035 *ip->ap = 0;
2036 /* kludge to make CSIm work (== CSI0m) */
2037 if (ip->ap == ip->argbuf)
2038 ip->ap++;
2039 for (cp = ip->argbuf; cp < ip->ap; )
2040 {
2041 switch (*cp)
2042 {
2043 case 0:
2044 case '0':
2045 clr_attr (ip, ATTR_ALL);
2046 cp++;
2047 break;
2048
2049 case '1':
2050 set_attr (ip, ATTR_BOLD);
2051 cp++;
2052 break;
2053
2054 case '2':
2055 switch (cp[1])
2056 {
2057 case '2':
2058 clr_attr (ip, ATTR_BOLD);
2059 cp += 2;
2060 break;
2061
2062 case '4':
2063 clr_attr (ip, ATTR_UL);
2064 cp += 2;
2065 break;
2066
2067 case '5':
2068 clr_attr (ip, ATTR_BLINK);
2069 cp += 2;
2070 break;
2071
2072 case '7':
2073 clr_attr (ip, ATTR_INV);
2074 cp += 2;
2075 break;
2076
2077 default:
2078 cp++;
2079 break;
2080 }
2081 break;
2082
2083 case '4':
2084 set_attr (ip, ATTR_UL);
2085 cp++;
2086 break;
2087
2088 case '5':
2089 set_attr (ip, ATTR_BLINK);
2090 cp++;
2091 break;
2092
2093 case '7':
2094 set_attr (ip, ATTR_INV);
2095 cp++;
2096 break;
2097
2098 default:
2099 cp++;
2100 break;
2101 }
2102 }
2103
2104 }
2105 ip->escape = 0;
2106 return;
2107
2108
2109 case 'u':
2110 /* DECRQTSR */
2111 ite_sendstr ("\033P\033\\");
2112 ip->escape = 0;
2113 return;
2114
2115
2116
2117 default:
2118 ip->escape = 0;
2119 return;
2120 }
2121 break;
2122
2123
2124
2125 case '?': /* CSI ? */
2126 switch (c)
2127 {
2128 case '0': case '1': case '2': case '3': case '4':
2129 case '5': case '6': case '7': case '8': case '9':
2130 case ';': case '\"': case '$':
2131 /* Don't fill the last character; it's needed. */
2132 /* XXX yeah, where ?? */
2133 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2134 *ip->ap++ = c;
2135 return;
2136
2137
2138 case 'n':
2139 *ip->ap = 0;
2140 if (ip->ap == &ip->argbuf[2])
2141 {
2142 if (! strncmp (ip->argbuf, "15", 2))
2143 /* printer status: no printer */
2144 ite_sendstr ("\033[13n");
2145
2146 else if (! strncmp (ip->argbuf, "25", 2))
2147 /* udk status */
2148 ite_sendstr ("\033[20n");
2149
2150 else if (! strncmp (ip->argbuf, "26", 2))
2151 /* keyboard dialect: US */
2152 ite_sendstr ("\033[27;1n");
2153 }
2154 ip->escape = 0;
2155 return;
2156
2157
2158 case 'h': case 'l':
2159 n = ite_zargnum (ip);
2160 switch (n)
2161 {
2162 case 1:
2163 ip->cursor_appmode = (c == 'h');
2164 break;
2165
2166 case 3:
2167 /* 132/80 columns (132 == 'h') */
2168 break;
2169
2170 case 4: /* smooth scroll */
2171 break;
2172
2173 case 5:
2174 /* light background (=='h') /dark background(=='l') */
2175 break;
2176
2177 case 6: /* origin mode */
2178 ip->inside_margins = (c == 'h');
2179 ip->curx = 0;
2180 ip->cury = ip->inside_margins ? ip->top_margin : 0;
2181 SUBR_CURSOR(ip, MOVE_CURSOR);
2182 break;
2183
2184 case 7: /* auto wraparound */
2185 ip->auto_wrap = (c == 'h');
2186 break;
2187
2188 case 8: /* keyboard repeat */
2189 ip->key_repeat = (c == 'h');
2190 break;
2191
2192 case 20: /* newline mode */
2193 ip->linefeed_newline = (c == 'h');
2194 break;
2195
2196 case 25: /* cursor on/off */
2197 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2198 break;
2199 }
2200 ip->escape = 0;
2201 return;
2202
2203 default:
2204 ip->escape = 0;
2205 return;
2206 }
2207 break;
2208
2209
2210 default:
2211 ip->escape = 0;
2212 return;
2213 }
2214 }
2215
2216 switch (c) {
2217
2218 case VT: /* VT is treated like LF */
2219 case FF: /* so is FF */
2220 case LF:
2221 /* cr->crlf distinction is done here, on output,
2222 not on input! */
2223 if (ip->linefeed_newline)
2224 ite_crlf (ip);
2225 else
2226 ite_lf (ip);
2227 break;
2228
2229 case CR:
2230 ite_cr (ip);
2231 break;
2232
2233 case BS:
2234 if (--ip->curx < 0)
2235 ip->curx = 0;
2236 else
2237 SUBR_CURSOR(ip, MOVE_CURSOR);
2238 break;
2239
2240 case HT:
2241 for (n = ip->curx + 1; n < ip->cols; n++) {
2242 if (ip->tabs[n]) {
2243 ip->curx = n;
2244 SUBR_CURSOR(ip, MOVE_CURSOR);
2245 break;
2246 }
2247 }
2248 break;
2249
2250 case BEL:
2251 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2252 kbdbell();
2253 break;
2254
2255 case SO:
2256 ip->GL = ip->G1;
2257 break;
2258
2259 case SI:
2260 ip->GL = ip->G0;
2261 break;
2262
2263 case ENQ:
2264 /* send answer-back message !! */
2265 break;
2266
2267 case CAN:
2268 ip->escape = 0; /* cancel any escape sequence in progress */
2269 break;
2270
2271 case SUB:
2272 ip->escape = 0; /* dito, but see below */
2273 /* should also display a reverse question mark!! */
2274 break;
2275
2276 case ESC:
2277 ip->escape = ESC;
2278 break;
2279
2280
2281 /* now it gets weird.. 8bit control sequences.. */
2282 case IND: /* index: move cursor down, scroll */
2283 ite_lf (ip);
2284 break;
2285
2286 case NEL: /* next line. next line, first pos. */
2287 ite_crlf (ip);
2288 break;
2289
2290 case HTS: /* set horizontal tab */
2291 if (ip->curx < ip->cols)
2292 ip->tabs[ip->curx] = 1;
2293 break;
2294
2295 case RI: /* reverse index */
2296 ite_rlf (ip);
2297 break;
2298
2299 case SS2: /* go into G2 for one character */
2300 /* not yet supported */
2301 break;
2302
2303 case SS3: /* go into G3 for one character */
2304 break;
2305
2306 case DCS: /* device control string introducer */
2307 ip->escape = DCS;
2308 ip->ap = ip->argbuf;
2309 break;
2310
2311 case CSI: /* control sequence introducer */
2312 ip->escape = CSI;
2313 ip->ap = ip->argbuf;
2314 break;
2315
2316 case ST: /* string terminator */
2317 /* ignore, if not used as terminator */
2318 break;
2319
2320 case OSC: /* introduces OS command. Ignore everything upto ST */
2321 ip->escape = OSC;
2322 break;
2323
2324 case PM: /* privacy message, ignore everything upto ST */
2325 ip->escape = PM;
2326 break;
2327
2328 case APC: /* application program command, ignore everything upto ST */
2329 ip->escape = APC;
2330 break;
2331
2332 default:
2333 if (c < ' ' || c == DEL)
2334 break;
2335 if (ip->imode)
2336 ite_inchar(ip, 1);
2337 iteprecheckwrap(ip);
2338 #ifdef DO_WEIRD_ATTRIBUTES
2339 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2340 attrset(ip, ATTR_INV);
2341 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2342 }
2343 else
2344 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2345 #else
2346 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2347 #endif
2348 SUBR_CURSOR(ip, DRAW_CURSOR);
2349 itecheckwrap(ip);
2350 break;
2351 }
2352 }
2353
2354 static void
2355 iteprecheckwrap(ip)
2356 struct ite_softc *ip;
2357 {
2358 if (ip->auto_wrap && ip->curx == ip->cols) {
2359 ip->curx = 0;
2360 clr_attr(ip, ATTR_INV);
2361 if (++ip->cury >= ip->bottom_margin + 1) {
2362 ip->cury = ip->bottom_margin;
2363 SUBR_CURSOR(ip, MOVE_CURSOR);
2364 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2365 ite_clrtoeol(ip);
2366 } else
2367 SUBR_CURSOR(ip, MOVE_CURSOR);
2368 }
2369 }
2370
2371 static void
2372 itecheckwrap(ip)
2373 struct ite_softc *ip;
2374 {
2375 if (ip->curx < ip->cols) {
2376 ip->curx++;
2377 SUBR_CURSOR(ip, MOVE_CURSOR);
2378 }
2379 }
2380