ite.c revision 1.7 1 /* $NetBSD: ite.c,v 1.7 1995/09/04 19:39:21 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 <atari/atari/kdassert.h>
63 #include <atari/dev/kbdmap.h>
64 #include <atari/dev/iteioctl.h>
65 #include <atari/dev/itevar.h>
66 #include <atari/dev/grfioctl.h>
67 #include <atari/dev/grfabs_reg.h>
68 #include <atari/dev/grfvar.h>
69 #include <atari/dev/viewioctl.h>
70 #include <atari/dev/viewvar.h>
71
72 #define ITEUNIT(dev) (minor(dev))
73
74 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
75 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
76 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
77 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
78 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
79 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir)
80
81 u_int ite_confunits; /* configured units */
82
83 int start_repeat_timeo = 30; /* first repeat after x s/100 */
84 int next_repeat_timeo = 10; /* next repeat after x s/100 */
85
86 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
87
88 struct ite_softc con_itesoftc;
89 u_char cons_tabs[MAX_TABS];
90
91 struct ite_softc *kbd_ite;
92 int kbd_init;
93
94 static char *index __P((const char *, int));
95 static int inline atoi __P((const char *));
96 static void ite_switch __P((int));
97 void iteputchar __P((int c, struct ite_softc *ip));
98 void ite_putstr __P((const u_char * s, int len, dev_t dev));
99 void iteattach __P((struct device *, struct device *, void *));
100 int itematch __P((struct device *, struct cfdata *, void *));
101
102 struct cfdriver itecd = {
103 NULL, "ite", (cfmatch_t)itematch, iteattach, DV_DULL,
104 sizeof(struct ite_softc), NULL, 0 };
105
106 int
107 itematch(pdp, cdp, auxp)
108 struct device *pdp;
109 struct cfdata *cdp;
110 void *auxp;
111 {
112 struct grf_softc *gp;
113 int maj;
114
115 gp = auxp;
116
117 /* ite0 should be at grf0 */
118 if(cdp->cf_unit != gp->g_unit)
119 return(0);
120
121 /*
122 * all that our mask allows (more than enough no one
123 * has > 32 monitors for text consoles on one machine)
124 */
125 if (cdp->cf_unit >= sizeof(ite_confunits) * NBBY)
126 return(0);
127 /*
128 * XXX
129 * normally this would be done in attach, however
130 * during early init we do not have a device pointer
131 * and thus no unit number.
132 */
133 for(maj = 0; maj < nchrdev; maj++)
134 if (cdevsw[maj].d_open == iteopen)
135 break;
136 gp->g_itedev = makedev(maj, cdp->cf_unit);
137 return(1);
138 }
139
140 void
141 iteattach(pdp, dp, auxp)
142 struct device *pdp, *dp;
143 void *auxp;
144 {
145 extern int hz;
146 struct grf_softc *gp;
147 struct ite_softc *ip;
148 int s;
149
150 gp = (struct grf_softc *)auxp;
151
152 /*
153 * mark unit as attached (XXX see itematch)
154 */
155 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
156
157 if(dp) {
158 ip = (struct ite_softc *)dp;
159
160 s = spltty();
161 if(con_itesoftc.grf != NULL
162 && con_itesoftc.grf->g_unit == gp->g_unit) {
163 /*
164 * console reinit copy params over.
165 * and console always gets keyboard
166 */
167 bcopy(&con_itesoftc.grf, &ip->grf,
168 (char *)&ip[1] - (char *)&ip->grf);
169 con_itesoftc.grf = NULL;
170 kbd_ite = ip;
171 }
172 ip->grf = gp;
173 splx(s);
174
175 iteinit(gp->g_itedev);
176 printf(": rows %d cols %d", ip->rows, ip->cols);
177 printf(" repeat at (%d/100)s next at (%d/100)s",
178 start_repeat_timeo, next_repeat_timeo);
179
180 if (kbd_ite == NULL)
181 kbd_ite = ip;
182 if (kbd_ite == ip)
183 printf(" has keyboard");
184 printf("\n");
185 } else {
186 if (con_itesoftc.grf != NULL &&
187 con_itesoftc.grf->g_conpri > gp->g_conpri)
188 return;
189 con_itesoftc.grf = gp;
190 con_itesoftc.tabs = cons_tabs;
191 }
192 }
193
194 struct ite_softc *
195 getitesp(dev)
196 dev_t dev;
197 {
198 extern int atari_realconfig;
199
200 if(atari_realconfig && (con_itesoftc.grf == NULL))
201 return(itecd.cd_devs[ITEUNIT(dev)]);
202
203 if(con_itesoftc.grf == NULL)
204 panic("no ite_softc for console");
205 return(&con_itesoftc);
206 }
207
208 /*
209 * cons.c entry points into ite device.
210 */
211
212 /*
213 * Return a priority in consdev->cn_pri field highest wins. This function
214 * is called before any devices have been probed.
215 */
216 void
217 itecnprobe(cd)
218 struct consdev *cd;
219 {
220 /*
221 * bring graphics layer up.
222 */
223 config_console();
224
225 /*
226 * return priority of the best ite (already picked from attach)
227 * or CN_DEAD.
228 */
229 if (con_itesoftc.grf == NULL)
230 cd->cn_pri = CN_DEAD;
231 else {
232 cd->cn_pri = con_itesoftc.grf->g_conpri;
233 cd->cn_dev = con_itesoftc.grf->g_itedev;
234 }
235 }
236
237 void
238 itecninit(cd)
239 struct consdev *cd;
240 {
241 struct ite_softc *ip;
242
243 ip = getitesp(cd->cn_dev);
244 ip->flags |= ITE_ISCONS;
245 iteinit(cd->cn_dev);
246 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
247 }
248
249 /*
250 * ite_cnfinish() is called in ite_init() when the device is
251 * being probed in the normal fasion, thus we can finish setting
252 * up this ite now that the system is more functional.
253 */
254 void
255 ite_cnfinish(ip)
256 struct ite_softc *ip;
257 {
258 static int done;
259
260 if (done)
261 return;
262 done = 1;
263 }
264
265 int
266 itecngetc(dev)
267 dev_t dev;
268 {
269 int c;
270
271 /* XXX this should be moved */
272 if (!kbd_init) {
273 kbd_init = 1;
274 kbdenable();
275 }
276 do {
277 c = kbdgetcn();
278 c = ite_cnfilter(c, ITEFILT_CONSOLE);
279 } while (c == -1);
280 return (c);
281 }
282
283 void
284 itecnputc(dev, c)
285 dev_t dev;
286 int c;
287 {
288 static int paniced;
289 struct ite_softc *ip;
290 char ch;
291
292 ip = getitesp(dev);
293 ch = c;
294
295 if (panicstr && !paniced &&
296 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
297 (void)ite_on(dev, 3);
298 paniced = 1;
299 }
300 iteputchar(ch, ip);
301 }
302
303 /*
304 * standard entry points to the device.
305 */
306
307 /*
308 * iteinit() is the standard entry point for initialization of
309 * an ite device, it is also called from itecninit().
310 *
311 */
312 void
313 iteinit(dev)
314 dev_t dev;
315 {
316 extern int atari_realconfig;
317 struct ite_softc *ip;
318
319 ip = getitesp(dev);
320 if (ip->flags & ITE_INITED)
321 return;
322 if (atari_realconfig) {
323 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap)
324 free(ip->kbdmap, M_DEVBUF);
325 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK);
326 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap));
327 }
328 else ip->kbdmap = &ascii_kbdmap;
329
330 ip->cursorx = 0;
331 ip->cursory = 0;
332 SUBR_INIT(ip);
333 SUBR_CURSOR(ip, DRAW_CURSOR);
334 if (ip->tabs == NULL)
335 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
336 ite_reset(ip);
337 ip->flags |= ITE_INITED;
338 }
339
340 int
341 iteopen(dev, mode, devtype, p)
342 dev_t dev;
343 int mode, devtype;
344 struct proc *p;
345 {
346 struct ite_softc *ip;
347 struct tty *tp;
348 int error, first, unit;
349
350 unit = ITEUNIT(dev);
351 first = 0;
352
353 if (((1 << unit) & ite_confunits) == 0)
354 return (ENXIO);
355
356 ip = getitesp(dev);
357
358 if (ip->tp == NULL)
359 tp = ip->tp = ttymalloc();
360 else
361 tp = ip->tp;
362 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
363 && p->p_ucred->cr_uid != 0)
364 return (EBUSY);
365 if ((ip->flags & ITE_ACTIVE) == 0) {
366 error = ite_on(dev, 0);
367 if (error)
368 return (error);
369 first = 1;
370 }
371 tp->t_oproc = itestart;
372 tp->t_param = ite_param;
373 tp->t_dev = dev;
374 if ((tp->t_state & TS_ISOPEN) == 0) {
375 ttychars(tp);
376 tp->t_iflag = TTYDEF_IFLAG;
377 tp->t_oflag = TTYDEF_OFLAG;
378 tp->t_cflag = TTYDEF_CFLAG;
379 tp->t_lflag = TTYDEF_LFLAG;
380 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
381 tp->t_state = TS_WOPEN | TS_CARR_ON;
382 ttsetwater(tp);
383 }
384 error = (*linesw[tp->t_line].l_open) (dev, tp);
385 if (error == 0) {
386 tp->t_winsize.ws_row = ip->rows;
387 tp->t_winsize.ws_col = ip->cols;
388 if (!kbd_init) {
389 kbd_init = 1;
390 kbdenable();
391 }
392 } else if (first)
393 ite_off(dev, 0);
394 return (error);
395 }
396
397 int
398 iteclose(dev, flag, mode, p)
399 dev_t dev;
400 int flag, mode;
401 struct proc *p;
402 {
403 struct tty *tp;
404
405 tp = getitesp(dev)->tp;
406
407 KDASSERT(tp);
408 (*linesw[tp->t_line].l_close) (tp, flag);
409 ttyclose(tp);
410 ite_off(dev, 0);
411 return (0);
412 }
413
414 int
415 iteread(dev, uio, flag)
416 dev_t dev;
417 struct uio *uio;
418 int flag;
419 {
420 struct tty *tp;
421
422 tp = getitesp(dev)->tp;
423
424 KDASSERT(tp);
425 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
426 }
427
428 int
429 itewrite(dev, uio, flag)
430 dev_t dev;
431 struct uio *uio;
432 int flag;
433 {
434 struct tty *tp;
435
436 tp = getitesp(dev)->tp;
437
438 KDASSERT(tp);
439 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
440 }
441
442 int
443 itestop(tp, flag)
444 struct tty *tp;
445 int flag;
446 {
447
448 }
449
450 struct tty *
451 itetty(dev)
452 dev_t dev;
453 {
454 return(getitesp(dev)->tp);
455 }
456
457 int
458 iteioctl(dev, cmd, addr, flag, p)
459 dev_t dev;
460 u_long cmd;
461 int flag;
462 caddr_t addr;
463 struct proc *p;
464 {
465 struct iterepeat *irp;
466 struct ite_softc *ip;
467 struct tty *tp;
468 int error;
469
470 ip = getitesp(dev);
471 tp = ip->tp;
472
473 KDASSERT(tp);
474
475 error = (*linesw[tp->t_line].l_ioctl) (tp, cmd, addr, flag, p);
476 if(error >= 0)
477 return (error);
478 error = ttioctl(tp, cmd, addr, flag, p);
479 if (error >= 0)
480 return (error);
481
482 switch (cmd) {
483 case ITEIOCSKMAP:
484 if (addr == 0)
485 return(EFAULT);
486 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap));
487 return(0);
488 case ITEIOCSSKMAP:
489 if (addr == 0)
490 return(EFAULT);
491 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap));
492 return(0);
493 case ITEIOCGKMAP:
494 if (addr == NULL)
495 return(EFAULT);
496 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap));
497 return(0);
498 case ITEIOCGREPT:
499 irp = (struct iterepeat *)addr;
500 irp->start = start_repeat_timeo;
501 irp->next = next_repeat_timeo;
502 return(0);
503 case ITEIOCSREPT:
504 irp = (struct iterepeat *)addr;
505 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT)
506 return(EINVAL);
507 start_repeat_timeo = irp->start;
508 next_repeat_timeo = irp->next;
509 return(0);
510 }
511 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
512 if(error >= 0)
513 return(error);
514 return (ENOTTY);
515 }
516
517 void
518 itestart(tp)
519 struct tty *tp;
520 {
521 struct clist *rbp;
522 struct ite_softc *ip;
523 u_char buf[ITEBURST];
524 int s, len, n;
525
526 ip = getitesp(tp->t_dev);
527
528 KDASSERT(tp);
529
530 s = spltty(); {
531 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
532 goto out;
533
534 tp->t_state |= TS_BUSY;
535 rbp = &tp->t_outq;
536
537 len = q_to_b(rbp, buf, ITEBURST);
538 } splx(s);
539
540 /* Here is a really good place to implement pre/jumpscroll() */
541 ite_putstr((char *)buf, len, tp->t_dev);
542
543 s = spltty(); {
544 tp->t_state &= ~TS_BUSY;
545 /* we have characters remaining. */
546 if (rbp->c_cc) {
547 tp->t_state |= TS_TIMEOUT;
548 timeout(ttrstrt, tp, 1);
549 }
550 /* wakeup we are below */
551 if (rbp->c_cc <= tp->t_lowat) {
552 if (tp->t_state & TS_ASLEEP) {
553 tp->t_state &= ~TS_ASLEEP;
554 wakeup((caddr_t) rbp);
555 }
556 selwakeup(&tp->t_wsel);
557 }
558 out: ;
559 } splx(s);
560 }
561
562 int
563 ite_on(dev, flag)
564 dev_t dev;
565 int flag;
566 {
567 struct ite_softc *ip;
568 int unit;
569
570 unit = ITEUNIT(dev);
571 if (((1 << unit) & ite_confunits) == 0)
572 return (ENXIO);
573
574 ip = getitesp(dev);
575
576 /* force ite active, overriding graphics mode */
577 if (flag & 1) {
578 ip->flags |= ITE_ACTIVE;
579 ip->flags &= ~(ITE_INGRF | ITE_INITED);
580 }
581 /* leave graphics mode */
582 if (flag & 2) {
583 ip->flags &= ~ITE_INGRF;
584 if ((ip->flags & ITE_ACTIVE) == 0)
585 return (0);
586 }
587 ip->flags |= ITE_ACTIVE;
588 if (ip->flags & ITE_INGRF)
589 return (0);
590 iteinit(dev);
591 return (0);
592 }
593
594 int
595 ite_off(dev, flag)
596 dev_t dev;
597 int flag;
598 {
599 struct ite_softc *ip;
600
601 ip = getitesp(dev);
602 if (flag & 2)
603 ip->flags |= ITE_INGRF;
604 if ((ip->flags & ITE_ACTIVE) == 0)
605 return;
606 if ((flag & 1) ||
607 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
608 SUBR_DEINIT(ip);
609 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
610 ip->flags &= ~ITE_ACTIVE;
611 }
612
613 static void
614 ite_switch(unit)
615 int unit;
616 {
617 struct ite_softc *ip;
618
619 if(!(ite_confunits & (1 << unit)))
620 return; /* Don't try unconfigured units */
621 ip = getitesp(unit);
622 if(!(ip->flags & ITE_INITED))
623 return;
624
625 /*
626 * If switching to an active ite, also switch the keyboard.
627 */
628 if(ip->flags & ITE_ACTIVE)
629 kbd_ite = ip;
630
631 /*
632 * Now make it visible
633 */
634 viewioctl(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 0, -1);
635 }
636
637 /* XXX called after changes made in underlying grf layer. */
638 /* I want to nuke this */
639 void
640 ite_reinit(dev)
641 dev_t dev;
642 {
643 struct ite_softc *ip;
644
645 ip = getitesp(dev);
646 ip->flags &= ~ITE_INITED;
647 iteinit(dev);
648 }
649
650 int
651 ite_param(tp, t)
652 struct tty *tp;
653 struct termios *t;
654 {
655 tp->t_ispeed = t->c_ispeed;
656 tp->t_ospeed = t->c_ospeed;
657 tp->t_cflag = t->c_cflag;
658 return (0);
659 }
660
661 void
662 ite_reset(ip)
663 struct ite_softc *ip;
664 {
665 int i;
666
667 ip->curx = 0;
668 ip->cury = 0;
669 ip->attribute = ATTR_NOR;
670 ip->save_curx = 0;
671 ip->save_cury = 0;
672 ip->save_attribute = ATTR_NOR;
673 ip->ap = ip->argbuf;
674 ip->emul_level = 0;
675 ip->eightbit_C1 = 0;
676 ip->top_margin = 0;
677 ip->bottom_margin = ip->rows - 1;
678 ip->inside_margins = 0;
679 ip->linefeed_newline = 0;
680 ip->auto_wrap = ite_default_wrap;
681 ip->cursor_appmode = 0;
682 ip->keypad_appmode = 0;
683 ip->imode = 0;
684 ip->key_repeat = 1;
685 bzero(ip->tabs, ip->cols);
686 for (i = 0; i < ip->cols; i++)
687 ip->tabs[i] = ((i & 7) == 0);
688 }
689
690 /*
691 * has to be global becuase of the shared filters.
692 */
693 static u_char key_mod;
694 static u_char last_dead;
695
696 /* Used in console at startup only */
697 int
698 ite_cnfilter(c, caller)
699 u_int c;
700 enum caller caller;
701 {
702 struct key key;
703 struct kbdmap *kbdmap;
704 u_char code, up, mask;
705 int s;
706
707 up = KBD_RELEASED(c);
708 c = KBD_SCANCODE(c);
709 code = 0;
710 mask = 0;
711 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap;
712
713 s = spltty();
714
715 /*
716 * Handle special keys
717 */
718 switch(c) {
719 case KBD_LEFT_SHIFT:
720 mask = KBD_MOD_LSHIFT;
721 break;
722 case KBD_RIGHT_SHIFT:
723 mask = KBD_MOD_RSHIFT;
724 break;
725 case KBD_CTRL:
726 mask = KBD_MOD_CTRL;
727 break;
728 case KBD_ALT:
729 mask = KBD_MOD_ALT;
730 break;
731 case KBD_CAPS_LOCK:
732 /* CAPSLOCK is a toggle */
733 if(!up)
734 key_mod ^= KBD_MOD_CAPS;
735 splx(s);
736 return;
737 break;
738 }
739 if(mask) {
740 if(up)
741 key_mod &= ~mask;
742 else
743 key_mod |= mask;
744 splx(s);
745 return -1;
746 }
747
748 /*
749 * No special action if key released
750 */
751 if(up) {
752 splx(s);
753 return -1;
754 }
755
756 /* translate modifiers */
757 if(key_mod & KBD_MOD_SHIFT) {
758 if(key_mod & KBD_MOD_ALT)
759 key = kbdmap->alt_shift_keys[c];
760 else key = kbdmap->shift_keys[c];
761 }
762 else if(key_mod & KBD_MOD_ALT)
763 key = kbdmap->alt_keys[c];
764 else {
765 key = kbdmap->keys[c];
766 /*
767 * If CAPS and key is CAPable (no pun intended)
768 */
769 if((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
770 key = kbdmap->shift_keys[c];
771 }
772 code = key.code;
773
774 #ifdef notyet /* LWP: Didn't have time to look at this yet */
775 /*
776 * If string return simple console filter
777 */
778 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
779 splx(s);
780 return -1;
781 }
782 /* handle dead keys */
783 if(key->mode & KBD_MODE_DEAD) {
784 /* if entered twice, send accent itself */
785 if (last_dead == key->mode & KBD_MODE_ACCMASK)
786 last_dead = 0;
787 else {
788 last_dead = key->mode & KBD_MODE_ACCMASK;
789 splx(s);
790 return -1;
791 }
792 }
793 if(last_dead) {
794 /* can't apply dead flag to string-keys */
795 if (code >= '@' && code < 0x7f)
796 code =
797 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
798 last_dead = 0;
799 }
800 #endif
801 if(key_mod & KBD_MOD_CTRL)
802 code &= 0x1f;
803
804 /*
805 * Do console mapping.
806 */
807 code = code == '\r' ? '\n' : code;
808
809 splx(s);
810 return (code);
811 }
812
813 /* And now the old stuff. */
814
815 /* these are used to implement repeating keys.. */
816 static u_char last_char;
817 static u_char tout_pending;
818
819 /*ARGSUSED*/
820 static void
821
822 repeat_handler(arg)
823 void *arg;
824 {
825 tout_pending = 0;
826 if(last_char)
827 add_sicallback(ite_filter, last_char, ITEFILT_REPEATER);
828 }
829
830 void
831 ite_filter(c, caller)
832 u_int c;
833 enum caller caller;
834 {
835 struct tty *kbd_tty;
836 struct kbdmap *kbdmap;
837 u_char code, *str, up, mask;
838 struct key key;
839 int s, i;
840
841 if(kbd_ite == NULL)
842 return;
843
844 kbd_tty = kbd_ite->tp;
845 kbdmap = kbd_ite->kbdmap;
846
847 up = KBD_RELEASED(c);
848 c = KBD_SCANCODE(c);
849 code = 0;
850 mask = 0;
851
852 /* have to make sure we're at spltty in here */
853 s = spltty();
854
855 /*
856 * keyboard interrupts come at priority 2, while softint
857 * generated keyboard-repeat interrupts come at level 1. So,
858 * to not allow a key-up event to get thru before a repeat for
859 * the key-down, we remove any outstanding callout requests..
860 */
861 rem_sicallback(ite_filter);
862
863
864 /*
865 * Handle special keys
866 */
867 switch(c) {
868 case KBD_LEFT_SHIFT:
869 mask = KBD_MOD_LSHIFT;
870 break;
871 case KBD_RIGHT_SHIFT:
872 mask = KBD_MOD_RSHIFT;
873 break;
874 case KBD_CTRL:
875 mask = KBD_MOD_CTRL;
876 break;
877 case KBD_ALT:
878 mask = KBD_MOD_ALT;
879 break;
880 case KBD_CAPS_LOCK:
881 /* CAPSLOCK is a toggle */
882 if(!up)
883 key_mod ^= KBD_MOD_CAPS;
884 splx(s);
885 return;
886 break;
887 }
888 if(mask) {
889 if(up)
890 key_mod &= ~mask;
891 else
892 key_mod |= mask;
893 splx(s);
894 return;
895 }
896
897 /*
898 * Stop repeating on up event
899 */
900 if (up) {
901 if(tout_pending) {
902 untimeout(repeat_handler, 0);
903 tout_pending = 0;
904 last_char = 0;
905 }
906 splx(s);
907 return;
908 }
909 else if(tout_pending && last_char != c) {
910 /*
911 * Different character, stop also
912 */
913 untimeout(repeat_handler, 0);
914 tout_pending = 0;
915 last_char = 0;
916 }
917
918 /*
919 * Handle ite-switching ALT + Fx
920 */
921 if((key_mod == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
922 ite_switch(c - 0x3b);
923 splx(s);
924 return;
925 }
926 /*
927 * Safety button, switch back to ascii keymap.
928 */
929 if(key_mod == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
930 /* ALT + LSHIFT + F1 */
931 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap));
932 splx(s);
933 return;
934 #ifdef DDB
935 }
936 else if(key_mod == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) {
937 /* ALT + LSHIFT + F9 */
938 extern int Debugger();
939 Debugger();
940 splx(s);
941 return;
942 #endif
943 }
944
945 /*
946 * The rest of the code is senseless when the device is not open.
947 */
948 if(kbd_tty == NULL) {
949 splx(s);
950 return;
951 }
952
953 /*
954 * Translate modifiers
955 */
956 if(key_mod & KBD_MOD_SHIFT) {
957 if(key_mod & KBD_MOD_ALT)
958 key = kbdmap->alt_shift_keys[c];
959 else key = kbdmap->shift_keys[c];
960 }
961 else if(key_mod & KBD_MOD_ALT)
962 key = kbdmap->alt_keys[c];
963 else {
964 key = kbdmap->keys[c];
965 /*
966 * If CAPS and key is CAPable (no pun intended)
967 */
968 if((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
969 key = kbdmap->shift_keys[c];
970 }
971 code = key.code;
972
973 /*
974 * Arrange to repeat the keystroke. By doing this at the level
975 * of scan-codes, we can have function keys, and keys that
976 * send strings, repeat too. This also entitles an additional
977 * overhead, since we have to do the conversion each time, but
978 * I guess that's ok.
979 */
980 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
981 tout_pending = 1;
982 last_char = c;
983 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
984 }
985 else if(!tout_pending && caller==ITEFILT_REPEATER
986 && kbd_ite->key_repeat) {
987 tout_pending = 1;
988 last_char = c;
989 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
990 }
991 /* handle dead keys */
992 if (key.mode & KBD_MODE_DEAD) {
993 /* if entered twice, send accent itself */
994 if (last_dead == key.mode & KBD_MODE_ACCMASK)
995 last_dead = 0;
996 else {
997 last_dead = key.mode & KBD_MODE_ACCMASK;
998 splx(s);
999 return;
1000 }
1001 }
1002 if (last_dead) {
1003 /* can't apply dead flag to string-keys */
1004 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
1005 code < 0x7f)
1006 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
1007 last_dead = 0;
1008 }
1009
1010 /*
1011 * If not string, apply CTRL modifiers
1012 */
1013 if(!(key.mode & KBD_MODE_STRING)
1014 && (!(key.mode & KBD_MODE_KPAD)
1015 || (kbd_ite && !kbd_ite->keypad_appmode))) {
1016 if(key_mod & KBD_MOD_CTRL)
1017 code &= 0x1f;
1018 }
1019 else if((key.mode & KBD_MODE_KPAD)
1020 && (kbd_ite && kbd_ite->keypad_appmode)) {
1021 static char *in = "0123456789-+.\r()/*";
1022 static char *out = "pqrstuvwxymlnMPQRS";
1023 char *cp = index(in, code);
1024
1025 /*
1026 * keypad-appmode sends SS3 followed by the above
1027 * translated character
1028 */
1029 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
1030 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty);
1031 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
1032 splx(s);
1033 return;
1034 } else {
1035 /* *NO* I don't like this.... */
1036 static u_char app_cursor[] =
1037 {
1038 3, 27, 'O', 'A',
1039 3, 27, 'O', 'B',
1040 3, 27, 'O', 'C',
1041 3, 27, 'O', 'D'};
1042
1043 str = kbdmap->strings + code;
1044 /*
1045 * if this is a cursor key, AND it has the default
1046 * keymap setting, AND we're in app-cursor mode, switch
1047 * to the above table. This is *nasty* !
1048 */
1049 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50))
1050 && kbd_ite->cursor_appmode
1051 && !bcmp(str, "\x03\x1b[", 3) &&
1052 index("ABCD", str[3]))
1053 str = app_cursor + 4 * (str[3] - 'A');
1054
1055 /*
1056 * using a length-byte instead of 0-termination allows
1057 * to embed \0 into strings, although this is not used
1058 * in the default keymap
1059 */
1060 for (i = *str++; i; i--)
1061 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1062 splx(s);
1063 return;
1064 }
1065 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
1066
1067 splx(s);
1068 return;
1069 }
1070
1071 /* helper functions, makes the code below more readable */
1072 static void inline
1073 ite_sendstr(str)
1074 char *str;
1075 {
1076 struct tty *kbd_tty;
1077
1078 kbd_tty = kbd_ite->tp;
1079 KDASSERT(kbd_tty);
1080 while (*str)
1081 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1082 }
1083
1084 static void
1085 alignment_display(ip)
1086 struct ite_softc *ip;
1087 {
1088 int i, j;
1089
1090 for (j = 0; j < ip->rows; j++)
1091 for (i = 0; i < ip->cols; i++)
1092 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1093 attrclr(ip, 0, 0, ip->rows, ip->cols);
1094 SUBR_CURSOR(ip, DRAW_CURSOR);
1095 }
1096
1097 static void inline
1098 snap_cury(ip)
1099 struct ite_softc *ip;
1100 {
1101 if (ip->inside_margins)
1102 {
1103 if (ip->cury < ip->top_margin)
1104 ip->cury = ip->top_margin;
1105 if (ip->cury > ip->bottom_margin)
1106 ip->cury = ip->bottom_margin;
1107 }
1108 }
1109
1110 static void inline
1111 ite_dnchar(ip, n)
1112 struct ite_softc *ip;
1113 int n;
1114 {
1115 n = min(n, ip->cols - ip->curx);
1116 if (n < ip->cols - ip->curx)
1117 {
1118 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1119 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1120 1, ip->cols - ip->curx - n);
1121 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1122 }
1123 while (n-- > 0)
1124 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1125 SUBR_CURSOR(ip, DRAW_CURSOR);
1126 }
1127
1128 static void inline
1129 ite_inchar(ip, n)
1130 struct ite_softc *ip;
1131 int n;
1132 {
1133 n = min(n, ip->cols - ip->curx);
1134 if (n < ip->cols - ip->curx)
1135 {
1136 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1137 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1138 1, ip->cols - ip->curx - n);
1139 attrclr(ip, ip->cury, ip->curx, 1, n);
1140 }
1141 while (n--)
1142 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1143 SUBR_CURSOR(ip, DRAW_CURSOR);
1144 }
1145
1146 static void inline
1147 ite_clrtoeol(ip)
1148 struct ite_softc *ip;
1149 {
1150 int y = ip->cury, x = ip->curx;
1151 if (ip->cols - x > 0)
1152 {
1153 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1154 attrclr(ip, y, x, 1, ip->cols - x);
1155 SUBR_CURSOR(ip, DRAW_CURSOR);
1156 }
1157 }
1158
1159 static void inline
1160 ite_clrtobol(ip)
1161 struct ite_softc *ip;
1162 {
1163 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1164 SUBR_CLEAR(ip, y, 0, 1, x);
1165 attrclr(ip, y, 0, 1, x);
1166 SUBR_CURSOR(ip, DRAW_CURSOR);
1167 }
1168
1169 static void inline
1170 ite_clrline(ip)
1171 struct ite_softc *ip;
1172 {
1173 int y = ip->cury;
1174 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1175 attrclr(ip, y, 0, 1, ip->cols);
1176 SUBR_CURSOR(ip, DRAW_CURSOR);
1177 }
1178
1179
1180
1181 static void inline
1182 ite_clrtoeos(ip)
1183 struct ite_softc *ip;
1184 {
1185 ite_clrtoeol(ip);
1186 if (ip->cury < ip->rows - 1)
1187 {
1188 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1189 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1190 SUBR_CURSOR(ip, DRAW_CURSOR);
1191 }
1192 }
1193
1194 static void inline
1195 ite_clrtobos(ip)
1196 struct ite_softc *ip;
1197 {
1198 ite_clrtobol(ip);
1199 if (ip->cury > 0)
1200 {
1201 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1202 attrclr(ip, 0, 0, ip->cury, ip->cols);
1203 SUBR_CURSOR(ip, DRAW_CURSOR);
1204 }
1205 }
1206
1207 static void inline
1208 ite_clrscreen(ip)
1209 struct ite_softc *ip;
1210 {
1211 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1212 attrclr(ip, 0, 0, ip->rows, ip->cols);
1213 SUBR_CURSOR(ip, DRAW_CURSOR);
1214 }
1215
1216
1217
1218 static void inline
1219 ite_dnline(ip, n)
1220 struct ite_softc *ip;
1221 int n;
1222 {
1223 /* interesting.. if the cursor is outside the scrolling
1224 region, this command is simply ignored.. */
1225 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1226 return;
1227
1228 n = min(n, ip->bottom_margin + 1 - ip->cury);
1229 if (n <= ip->bottom_margin - ip->cury)
1230 {
1231 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1232 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1233 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1234 }
1235 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1236 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1237 SUBR_CURSOR(ip, DRAW_CURSOR);
1238 }
1239
1240 static void inline
1241 ite_inline(ip, n)
1242 struct ite_softc *ip;
1243 int n;
1244 {
1245 /* interesting.. if the cursor is outside the scrolling
1246 region, this command is simply ignored.. */
1247 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1248 return;
1249
1250 n = min(n, ip->bottom_margin + 1 - ip->cury);
1251 if (n <= ip->bottom_margin - ip->cury)
1252 {
1253 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1254 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1255 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1256 }
1257 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1258 attrclr(ip, ip->cury, 0, n, ip->cols);
1259 SUBR_CURSOR(ip, DRAW_CURSOR);
1260 }
1261
1262 static void inline
1263 ite_lf (ip)
1264 struct ite_softc *ip;
1265 {
1266 ++ip->cury;
1267 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1268 {
1269 ip->cury--;
1270 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1271 ite_clrline(ip);
1272 }
1273 SUBR_CURSOR(ip, MOVE_CURSOR);
1274 clr_attr(ip, ATTR_INV);
1275 }
1276
1277 static void inline
1278 ite_crlf (ip)
1279 struct ite_softc *ip;
1280 {
1281 ip->curx = 0;
1282 ite_lf (ip);
1283 }
1284
1285 static void inline
1286 ite_cr (ip)
1287 struct ite_softc *ip;
1288 {
1289 if (ip->curx)
1290 {
1291 ip->curx = 0;
1292 SUBR_CURSOR(ip, MOVE_CURSOR);
1293 }
1294 }
1295
1296 static void inline
1297 ite_rlf (ip)
1298 struct ite_softc *ip;
1299 {
1300 ip->cury--;
1301 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1302 {
1303 ip->cury++;
1304 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1305 ite_clrline(ip);
1306 }
1307 SUBR_CURSOR(ip, MOVE_CURSOR);
1308 clr_attr(ip, ATTR_INV);
1309 }
1310
1311 static int inline
1312 atoi (cp)
1313 const char *cp;
1314 {
1315 int n;
1316
1317 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1318 n = n * 10 + *cp - '0';
1319
1320 return n;
1321 }
1322
1323 static char *
1324 index (cp, ch)
1325 const char *cp;
1326 int ch;
1327 {
1328 while (*cp && *cp != ch) cp++;
1329 return *cp ? (char *) cp : 0;
1330 }
1331
1332
1333
1334 static int inline
1335 ite_argnum (ip)
1336 struct ite_softc *ip;
1337 {
1338 char ch;
1339 int n;
1340
1341 /* convert argument string into number */
1342 if (ip->ap == ip->argbuf)
1343 return 1;
1344 ch = *ip->ap;
1345 *ip->ap = 0;
1346 n = atoi (ip->argbuf);
1347 *ip->ap = ch;
1348
1349 return n;
1350 }
1351
1352 static int inline
1353 ite_zargnum (ip)
1354 struct ite_softc *ip;
1355 {
1356 char ch, *cp;
1357 int n;
1358
1359 /* convert argument string into number */
1360 if (ip->ap == ip->argbuf)
1361 return 0;
1362 ch = *ip->ap;
1363 *ip->ap = 0;
1364 n = atoi (ip->argbuf);
1365 *ip->ap = ch;
1366
1367 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1368 }
1369
1370 static int inline
1371 strncmp (a, b, l)
1372 const char *a, *b;
1373 int l;
1374 {
1375 for (;l--; a++, b++)
1376 if (*a != *b)
1377 return *a - *b;
1378 return 0;
1379 }
1380
1381 void
1382 ite_putstr(s, len, dev)
1383 const u_char *s;
1384 int len;
1385 dev_t dev;
1386 {
1387 struct ite_softc *ip;
1388 int i;
1389
1390 ip = getitesp(dev);
1391
1392 /* XXX avoid problems */
1393 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1394 return;
1395
1396 SUBR_CURSOR(ip, START_CURSOROPT);
1397 for (i = 0; i < len; i++)
1398 if (s[i])
1399 iteputchar(s[i], ip);
1400 SUBR_CURSOR(ip, END_CURSOROPT);
1401 }
1402
1403
1404 void
1405 iteputchar(c, ip)
1406 register int c;
1407 struct ite_softc *ip;
1408 {
1409 struct tty *kbd_tty;
1410 int n, x, y;
1411 char *cp;
1412
1413 if (kbd_ite == NULL)
1414 kbd_tty = NULL;
1415 else
1416 kbd_tty = kbd_ite->tp;
1417
1418 if (ip->escape)
1419 {
1420 doesc:
1421 switch (ip->escape)
1422 {
1423 case ESC:
1424 switch (c)
1425 {
1426 /* first 7bit equivalents for the 8bit control characters */
1427
1428 case 'D':
1429 c = IND;
1430 ip->escape = 0;
1431 break; /* and fall into the next switch below (same for all `break') */
1432
1433 case 'E':
1434 c = NEL;
1435 ip->escape = 0;
1436 break;
1437
1438 case 'H':
1439 c = HTS;
1440 ip->escape = 0;
1441 break;
1442
1443 case 'M':
1444 c = RI;
1445 ip->escape = 0;
1446 break;
1447
1448 case 'N':
1449 c = SS2;
1450 ip->escape = 0;
1451 break;
1452
1453 case 'O':
1454 c = SS3;
1455 ip->escape = 0;
1456 break;
1457
1458 case 'P':
1459 c = DCS;
1460 ip->escape = 0;
1461 break;
1462
1463 case '[':
1464 c = CSI;
1465 ip->escape = 0;
1466 break;
1467
1468 case '\\':
1469 c = ST;
1470 ip->escape = 0;
1471 break;
1472
1473 case ']':
1474 c = OSC;
1475 ip->escape = 0;
1476 break;
1477
1478 case '^':
1479 c = PM;
1480 ip->escape = 0;
1481 break;
1482
1483 case '_':
1484 c = APC;
1485 ip->escape = 0;
1486 break;
1487
1488
1489 /* introduces 7/8bit control */
1490 case ' ':
1491 /* can be followed by either F or G */
1492 ip->escape = ' ';
1493 break;
1494
1495
1496 /* a lot of character set selections, not yet used...
1497 94-character sets: */
1498 case '(': /* G0 */
1499 case ')': /* G1 */
1500 ip->escape = c;
1501 return;
1502
1503 case '*': /* G2 */
1504 case '+': /* G3 */
1505 case 'B': /* ASCII */
1506 case 'A': /* ISO latin 1 */
1507 case '<': /* user preferred suplemental */
1508 case '0': /* dec special graphics */
1509
1510 /* 96-character sets: */
1511 case '-': /* G1 */
1512 case '.': /* G2 */
1513 case '/': /* G3 */
1514
1515 /* national character sets: */
1516 case '4': /* dutch */
1517 case '5':
1518 case 'C': /* finnish */
1519 case 'R': /* french */
1520 case 'Q': /* french canadian */
1521 case 'K': /* german */
1522 case 'Y': /* italian */
1523 case '6': /* norwegian/danish */
1524 /* note: %5 and %6 are not supported (two chars..) */
1525
1526 ip->escape = 0;
1527 /* just ignore for now */
1528 return;
1529
1530
1531 /* locking shift modes (as you might guess, not yet supported..) */
1532 case '`':
1533 ip->GR = ip->G1;
1534 ip->escape = 0;
1535 return;
1536
1537 case 'n':
1538 ip->GL = ip->G2;
1539 ip->escape = 0;
1540 return;
1541
1542 case '}':
1543 ip->GR = ip->G2;
1544 ip->escape = 0;
1545 return;
1546
1547 case 'o':
1548 ip->GL = ip->G3;
1549 ip->escape = 0;
1550 return;
1551
1552 case '|':
1553 ip->GR = ip->G3;
1554 ip->escape = 0;
1555 return;
1556
1557
1558 /* font width/height control */
1559 case '#':
1560 ip->escape = '#';
1561 return;
1562
1563
1564 /* hard terminal reset .. */
1565 case 'c':
1566 ite_reset (ip);
1567 SUBR_CURSOR(ip, MOVE_CURSOR);
1568 ip->escape = 0;
1569 return;
1570
1571
1572 case '7':
1573 ip->save_curx = ip->curx;
1574 ip->save_cury = ip->cury;
1575 ip->save_attribute = ip->attribute;
1576 ip->escape = 0;
1577 return;
1578
1579 case '8':
1580 ip->curx = ip->save_curx;
1581 ip->cury = ip->save_cury;
1582 ip->attribute = ip->save_attribute;
1583 SUBR_CURSOR(ip, MOVE_CURSOR);
1584 ip->escape = 0;
1585 return;
1586
1587 case '=':
1588 ip->keypad_appmode = 1;
1589 ip->escape = 0;
1590 return;
1591
1592 case '>':
1593 ip->keypad_appmode = 0;
1594 ip->escape = 0;
1595 return;
1596
1597 case 'Z': /* request ID */
1598 if (ip->emul_level == EMUL_VT100)
1599 ite_sendstr ("\033[?61;0c"); /* XXX not clean */
1600 else
1601 ite_sendstr ("\033[?63;0c"); /* XXX not clean */
1602 ip->escape = 0;
1603 return;
1604
1605 /* default catch all for not recognized ESC sequences */
1606 default:
1607 ip->escape = 0;
1608 return;
1609 }
1610 break;
1611
1612
1613 case '(':
1614 case ')':
1615 ip->escape = 0;
1616 return;
1617
1618
1619 case ' ':
1620 switch (c)
1621 {
1622 case 'F':
1623 ip->eightbit_C1 = 0;
1624 ip->escape = 0;
1625 return;
1626
1627 case 'G':
1628 ip->eightbit_C1 = 1;
1629 ip->escape = 0;
1630 return;
1631
1632 default:
1633 /* not supported */
1634 ip->escape = 0;
1635 return;
1636 }
1637 break;
1638
1639
1640 case '#':
1641 switch (c)
1642 {
1643 case '5':
1644 /* single height, single width */
1645 ip->escape = 0;
1646 return;
1647
1648 case '6':
1649 /* double width, single height */
1650 ip->escape = 0;
1651 return;
1652
1653 case '3':
1654 /* top half */
1655 ip->escape = 0;
1656 return;
1657
1658 case '4':
1659 /* bottom half */
1660 ip->escape = 0;
1661 return;
1662
1663 case '8':
1664 /* screen alignment pattern... */
1665 alignment_display (ip);
1666 ip->escape = 0;
1667 return;
1668
1669 default:
1670 ip->escape = 0;
1671 return;
1672 }
1673 break;
1674
1675
1676
1677 case CSI:
1678 /* the biggie... */
1679 switch (c)
1680 {
1681 case '0': case '1': case '2': case '3': case '4':
1682 case '5': case '6': case '7': case '8': case '9':
1683 case ';': case '\"': case '$': case '>':
1684 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1685 *ip->ap++ = c;
1686 return;
1687
1688 case BS:
1689 /* you wouldn't believe such perversion is possible?
1690 it is.. BS is allowed in between cursor sequences
1691 (at least), according to vttest.. */
1692 if (--ip->curx < 0)
1693 ip->curx = 0;
1694 else
1695 SUBR_CURSOR(ip, MOVE_CURSOR);
1696 break;
1697
1698 case 'p':
1699 *ip->ap = 0;
1700 if (! strncmp (ip->argbuf, "61\"", 3))
1701 ip->emul_level = EMUL_VT100;
1702 else if (! strncmp (ip->argbuf, "63;1\"", 5)
1703 || ! strncmp (ip->argbuf, "62;1\"", 5))
1704 ip->emul_level = EMUL_VT300_7;
1705 else
1706 ip->emul_level = EMUL_VT300_8;
1707 ip->escape = 0;
1708 return;
1709
1710
1711 case '?':
1712 *ip->ap = 0;
1713 ip->escape = '?';
1714 ip->ap = ip->argbuf;
1715 return;
1716
1717
1718 case 'c':
1719 *ip->ap = 0;
1720 if (ip->argbuf[0] == '>')
1721 {
1722 ite_sendstr ("\033[>24;0;0;0c");
1723 }
1724 else switch (ite_zargnum(ip))
1725 {
1726 case 0:
1727 /* primary DA request, send primary DA response */
1728 if (ip->emul_level == EMUL_VT100)
1729 ite_sendstr ("\033[?1;1c");
1730 else
1731 ite_sendstr ("\033[?63;1c");
1732 break;
1733 }
1734 ip->escape = 0;
1735 return;
1736
1737 case 'n':
1738 switch (ite_zargnum(ip))
1739 {
1740 case 5:
1741 ite_sendstr ("\033[0n"); /* no malfunction */
1742 break;
1743 case 6:
1744 /* cursor position report */
1745 sprintf (ip->argbuf, "\033[%d;%dR",
1746 ip->cury + 1, ip->curx + 1);
1747 ite_sendstr (ip->argbuf);
1748 break;
1749 }
1750 ip->escape = 0;
1751 return;
1752
1753
1754 case 'x':
1755 switch (ite_zargnum(ip))
1756 {
1757 case 0:
1758 /* Fake some terminal parameters. */
1759 ite_sendstr ("\033[2;1;1;112;112;1;0x");
1760 break;
1761 case 1:
1762 ite_sendstr ("\033[3;1;1;112;112;1;0x");
1763 break;
1764 }
1765 ip->escape = 0;
1766 return;
1767
1768
1769 case 'g':
1770 switch (ite_zargnum(ip))
1771 {
1772 case 0:
1773 if (ip->curx < ip->cols)
1774 ip->tabs[ip->curx] = 0;
1775 break;
1776 case 3:
1777 for (n = 0; n < ip->cols; n++)
1778 ip->tabs[n] = 0;
1779 break;
1780 }
1781 ip->escape = 0;
1782 return;
1783
1784
1785 case 'h': case 'l':
1786 n = ite_zargnum (ip);
1787 switch (n)
1788 {
1789 case 4:
1790 ip->imode = (c == 'h'); /* insert/replace mode */
1791 break;
1792 case 20:
1793 ip->linefeed_newline = (c == 'h');
1794 break;
1795 }
1796 ip->escape = 0;
1797 return;
1798
1799
1800 case 'M':
1801 ite_dnline (ip, ite_argnum (ip));
1802 ip->escape = 0;
1803 return;
1804
1805
1806 case 'L':
1807 ite_inline (ip, ite_argnum (ip));
1808 ip->escape = 0;
1809 return;
1810
1811
1812 case 'P':
1813 ite_dnchar (ip, ite_argnum (ip));
1814 ip->escape = 0;
1815 return;
1816
1817
1818 case '@':
1819 ite_inchar (ip, ite_argnum (ip));
1820 ip->escape = 0;
1821 return;
1822
1823
1824 case 'G':
1825 /* this one was *not* in my vt320 manual but in
1826 a vt320 termcap entry.. who is right?
1827 It's supposed to set the horizontal cursor position. */
1828 *ip->ap = 0;
1829 x = atoi (ip->argbuf);
1830 if (x) x--;
1831 ip->curx = min(x, ip->cols - 1);
1832 ip->escape = 0;
1833 SUBR_CURSOR(ip, MOVE_CURSOR);
1834 clr_attr (ip, ATTR_INV);
1835 return;
1836
1837
1838 case 'd':
1839 /* same thing here, this one's for setting the absolute
1840 vertical cursor position. Not documented... */
1841 *ip->ap = 0;
1842 y = atoi (ip->argbuf);
1843 if (y) y--;
1844 if (ip->inside_margins)
1845 y += ip->top_margin;
1846 ip->cury = min(y, ip->rows - 1);
1847 ip->escape = 0;
1848 snap_cury(ip);
1849 SUBR_CURSOR(ip, MOVE_CURSOR);
1850 clr_attr (ip, ATTR_INV);
1851 return;
1852
1853
1854 case 'H':
1855 case 'f':
1856 *ip->ap = 0;
1857 y = atoi (ip->argbuf);
1858 x = 0;
1859 cp = index (ip->argbuf, ';');
1860 if (cp)
1861 x = atoi (cp + 1);
1862 if (x) x--;
1863 if (y) y--;
1864 if (ip->inside_margins)
1865 y += ip->top_margin;
1866 ip->cury = min(y, ip->rows - 1);
1867 ip->curx = min(x, ip->cols - 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 case 'A':
1875 n = ite_argnum (ip);
1876 n = ip->cury - (n ? n : 1);
1877 if (n < 0) n = 0;
1878 if (ip->inside_margins)
1879 n = max(ip->top_margin, n);
1880 else if (n == ip->top_margin - 1)
1881 /* allow scrolling outside region, but don't scroll out
1882 of active region without explicit CUP */
1883 n = ip->top_margin;
1884 ip->cury = n;
1885 ip->escape = 0;
1886 SUBR_CURSOR(ip, MOVE_CURSOR);
1887 clr_attr (ip, ATTR_INV);
1888 return;
1889
1890 case 'B':
1891 n = ite_argnum (ip);
1892 n = ip->cury + (n ? n : 1);
1893 n = min(ip->rows - 1, n);
1894 if (ip->inside_margins)
1895 n = min(ip->bottom_margin, n);
1896 else if (n == ip->bottom_margin + 1)
1897 /* allow scrolling outside region, but don't scroll out
1898 of active region without explicit CUP */
1899 n = ip->bottom_margin;
1900 ip->cury = n;
1901 ip->escape = 0;
1902 SUBR_CURSOR(ip, MOVE_CURSOR);
1903 clr_attr (ip, ATTR_INV);
1904 return;
1905
1906 case 'C':
1907 n = ite_argnum (ip);
1908 n = n ? n : 1;
1909 ip->curx = min(ip->curx + n, ip->cols - 1);
1910 ip->escape = 0;
1911 SUBR_CURSOR(ip, MOVE_CURSOR);
1912 clr_attr (ip, ATTR_INV);
1913 return;
1914
1915 case 'D':
1916 n = ite_argnum (ip);
1917 n = n ? n : 1;
1918 n = ip->curx - n;
1919 ip->curx = n >= 0 ? n : 0;
1920 ip->escape = 0;
1921 SUBR_CURSOR(ip, MOVE_CURSOR);
1922 clr_attr (ip, ATTR_INV);
1923 return;
1924
1925
1926
1927
1928 case 'J':
1929 *ip->ap = 0;
1930 n = ite_zargnum (ip);
1931 if (n == 0)
1932 ite_clrtoeos(ip);
1933 else if (n == 1)
1934 ite_clrtobos(ip);
1935 else if (n == 2)
1936 ite_clrscreen(ip);
1937 ip->escape = 0;
1938 return;
1939
1940
1941 case 'K':
1942 n = ite_zargnum (ip);
1943 if (n == 0)
1944 ite_clrtoeol(ip);
1945 else if (n == 1)
1946 ite_clrtobol(ip);
1947 else if (n == 2)
1948 ite_clrline(ip);
1949 ip->escape = 0;
1950 return;
1951
1952
1953 case 'X':
1954 n = ite_argnum(ip) - 1;
1955 n = min(n, ip->cols - 1 - ip->curx);
1956 for (; n >= 0; n--)
1957 {
1958 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1959 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1960 }
1961 ip->escape = 0;
1962 return;
1963
1964
1965 case '}': case '`':
1966 /* status line control */
1967 ip->escape = 0;
1968 return;
1969
1970
1971 case 'r':
1972 *ip->ap = 0;
1973 x = atoi (ip->argbuf);
1974 x = x ? x : 1;
1975 y = ip->rows;
1976 cp = index (ip->argbuf, ';');
1977 if (cp)
1978 {
1979 y = atoi (cp + 1);
1980 y = y ? y : ip->rows;
1981 }
1982 if (y - x < 2)
1983 {
1984 /* if illegal scrolling region, reset to defaults */
1985 x = 1;
1986 y = ip->rows;
1987 }
1988 x--;
1989 y--;
1990 ip->top_margin = min(x, ip->rows - 1);
1991 ip->bottom_margin = min(y, ip->rows - 1);
1992 if (ip->inside_margins)
1993 {
1994 ip->cury = ip->top_margin;
1995 ip->curx = 0;
1996 SUBR_CURSOR(ip, MOVE_CURSOR);
1997 }
1998 ip->escape = 0;
1999 return;
2000
2001
2002 case 'm':
2003 /* big attribute setter/resetter */
2004 {
2005 char *cp;
2006 *ip->ap = 0;
2007 /* kludge to make CSIm work (== CSI0m) */
2008 if (ip->ap == ip->argbuf)
2009 ip->ap++;
2010 for (cp = ip->argbuf; cp < ip->ap; )
2011 {
2012 switch (*cp)
2013 {
2014 case 0:
2015 case '0':
2016 clr_attr (ip, ATTR_ALL);
2017 cp++;
2018 break;
2019
2020 case '1':
2021 set_attr (ip, ATTR_BOLD);
2022 cp++;
2023 break;
2024
2025 case '2':
2026 switch (cp[1])
2027 {
2028 case '2':
2029 clr_attr (ip, ATTR_BOLD);
2030 cp += 2;
2031 break;
2032
2033 case '4':
2034 clr_attr (ip, ATTR_UL);
2035 cp += 2;
2036 break;
2037
2038 case '5':
2039 clr_attr (ip, ATTR_BLINK);
2040 cp += 2;
2041 break;
2042
2043 case '7':
2044 clr_attr (ip, ATTR_INV);
2045 cp += 2;
2046 break;
2047
2048 default:
2049 cp++;
2050 break;
2051 }
2052 break;
2053
2054 case '4':
2055 set_attr (ip, ATTR_UL);
2056 cp++;
2057 break;
2058
2059 case '5':
2060 set_attr (ip, ATTR_BLINK);
2061 cp++;
2062 break;
2063
2064 case '7':
2065 set_attr (ip, ATTR_INV);
2066 cp++;
2067 break;
2068
2069 default:
2070 cp++;
2071 break;
2072 }
2073 }
2074
2075 }
2076 ip->escape = 0;
2077 return;
2078
2079
2080 case 'u':
2081 /* DECRQTSR */
2082 ite_sendstr ("\033P\033\\");
2083 ip->escape = 0;
2084 return;
2085
2086
2087
2088 default:
2089 ip->escape = 0;
2090 return;
2091 }
2092 break;
2093
2094
2095
2096 case '?': /* CSI ? */
2097 switch (c)
2098 {
2099 case '0': case '1': case '2': case '3': case '4':
2100 case '5': case '6': case '7': case '8': case '9':
2101 case ';': case '\"': case '$':
2102 /* Don't fill the last character; it's needed. */
2103 /* XXX yeah, where ?? */
2104 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2105 *ip->ap++ = c;
2106 return;
2107
2108
2109 case 'n':
2110 *ip->ap = 0;
2111 if (ip->ap == &ip->argbuf[2])
2112 {
2113 if (! strncmp (ip->argbuf, "15", 2))
2114 /* printer status: no printer */
2115 ite_sendstr ("\033[13n");
2116
2117 else if (! strncmp (ip->argbuf, "25", 2))
2118 /* udk status */
2119 ite_sendstr ("\033[20n");
2120
2121 else if (! strncmp (ip->argbuf, "26", 2))
2122 /* keyboard dialect: US */
2123 ite_sendstr ("\033[27;1n");
2124 }
2125 ip->escape = 0;
2126 return;
2127
2128
2129 case 'h': case 'l':
2130 n = ite_zargnum (ip);
2131 switch (n)
2132 {
2133 case 1:
2134 ip->cursor_appmode = (c == 'h');
2135 break;
2136
2137 case 3:
2138 /* 132/80 columns (132 == 'h') */
2139 break;
2140
2141 case 4: /* smooth scroll */
2142 break;
2143
2144 case 5:
2145 /* light background (=='h') /dark background(=='l') */
2146 break;
2147
2148 case 6: /* origin mode */
2149 ip->inside_margins = (c == 'h');
2150 ip->curx = 0;
2151 ip->cury = ip->inside_margins ? ip->top_margin : 0;
2152 SUBR_CURSOR(ip, MOVE_CURSOR);
2153 break;
2154
2155 case 7: /* auto wraparound */
2156 ip->auto_wrap = (c == 'h');
2157 break;
2158
2159 case 8: /* keyboard repeat */
2160 ip->key_repeat = (c == 'h');
2161 break;
2162
2163 case 20: /* newline mode */
2164 ip->linefeed_newline = (c == 'h');
2165 break;
2166
2167 case 25: /* cursor on/off */
2168 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2169 break;
2170 }
2171 ip->escape = 0;
2172 return;
2173
2174 default:
2175 ip->escape = 0;
2176 return;
2177 }
2178 break;
2179
2180
2181 default:
2182 ip->escape = 0;
2183 return;
2184 }
2185 }
2186
2187 switch (c) {
2188
2189 case VT: /* VT is treated like LF */
2190 case FF: /* so is FF */
2191 case LF:
2192 /* cr->crlf distinction is done here, on output,
2193 not on input! */
2194 if (ip->linefeed_newline)
2195 ite_crlf (ip);
2196 else
2197 ite_lf (ip);
2198 break;
2199
2200 case CR:
2201 ite_cr (ip);
2202 break;
2203
2204 case BS:
2205 if (--ip->curx < 0)
2206 ip->curx = 0;
2207 else
2208 SUBR_CURSOR(ip, MOVE_CURSOR);
2209 break;
2210
2211 case HT:
2212 for (n = ip->curx + 1; n < ip->cols; n++) {
2213 if (ip->tabs[n]) {
2214 ip->curx = n;
2215 SUBR_CURSOR(ip, MOVE_CURSOR);
2216 break;
2217 }
2218 }
2219 break;
2220
2221 case BEL:
2222 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2223 kbdbell();
2224 break;
2225
2226 case SO:
2227 ip->GL = ip->G1;
2228 break;
2229
2230 case SI:
2231 ip->GL = ip->G0;
2232 break;
2233
2234 case ENQ:
2235 /* send answer-back message !! */
2236 break;
2237
2238 case CAN:
2239 ip->escape = 0; /* cancel any escape sequence in progress */
2240 break;
2241
2242 case SUB:
2243 ip->escape = 0; /* dito, but see below */
2244 /* should also display a reverse question mark!! */
2245 break;
2246
2247 case ESC:
2248 ip->escape = ESC;
2249 break;
2250
2251
2252 /* now it gets weird.. 8bit control sequences.. */
2253 case IND: /* index: move cursor down, scroll */
2254 ite_lf (ip);
2255 break;
2256
2257 case NEL: /* next line. next line, first pos. */
2258 ite_crlf (ip);
2259 break;
2260
2261 case HTS: /* set horizontal tab */
2262 if (ip->curx < ip->cols)
2263 ip->tabs[ip->curx] = 1;
2264 break;
2265
2266 case RI: /* reverse index */
2267 ite_rlf (ip);
2268 break;
2269
2270 case SS2: /* go into G2 for one character */
2271 /* not yet supported */
2272 break;
2273
2274 case SS3: /* go into G3 for one character */
2275 break;
2276
2277 case DCS: /* device control string introducer */
2278 ip->escape = DCS;
2279 ip->ap = ip->argbuf;
2280 break;
2281
2282 case CSI: /* control sequence introducer */
2283 ip->escape = CSI;
2284 ip->ap = ip->argbuf;
2285 break;
2286
2287 case ST: /* string terminator */
2288 /* ignore, if not used as terminator */
2289 break;
2290
2291 case OSC: /* introduces OS command. Ignore everything upto ST */
2292 ip->escape = OSC;
2293 break;
2294
2295 case PM: /* privacy message, ignore everything upto ST */
2296 ip->escape = PM;
2297 break;
2298
2299 case APC: /* application program command, ignore everything upto ST */
2300 ip->escape = APC;
2301 break;
2302
2303 default:
2304 if (c < ' ' || c == DEL)
2305 break;
2306 if (ip->imode)
2307 ite_inchar(ip, 1);
2308 iteprecheckwrap(ip);
2309 #ifdef DO_WEIRD_ATTRIBUTES
2310 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2311 attrset(ip, ATTR_INV);
2312 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2313 }
2314 else
2315 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2316 #else
2317 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2318 #endif
2319 SUBR_CURSOR(ip, DRAW_CURSOR);
2320 itecheckwrap(ip);
2321 break;
2322 }
2323 }
2324
2325 iteprecheckwrap(ip)
2326 struct ite_softc *ip;
2327 {
2328 if (ip->auto_wrap && ip->curx == ip->cols) {
2329 ip->curx = 0;
2330 clr_attr(ip, ATTR_INV);
2331 if (++ip->cury >= ip->bottom_margin + 1) {
2332 ip->cury = ip->bottom_margin;
2333 SUBR_CURSOR(ip, MOVE_CURSOR);
2334 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2335 ite_clrtoeol(ip);
2336 } else
2337 SUBR_CURSOR(ip, MOVE_CURSOR);
2338 }
2339 }
2340
2341 itecheckwrap(ip)
2342 struct ite_softc *ip;
2343 {
2344 if (ip->curx < ip->cols) {
2345 ip->curx++;
2346 SUBR_CURSOR(ip, MOVE_CURSOR);
2347 }
2348 }
2349