ite.c revision 1.56 1 /* $NetBSD: ite.c,v 1.56 2001/05/02 10:32:12 scw 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 * @(#)ite.c 7.6 (Berkeley) 5/16/91
42 */
43
44 /*
45 * ite - bitmaped terminal.
46 * Supports VT200, a few terminal features will be unavailable until
47 * the system actually probes the device (i.e. not after consinit())
48 */
49
50 #include "opt_ddb.h"
51
52 #include <sys/param.h>
53 #include <sys/kernel.h>
54 #include <sys/device.h>
55 #include <sys/fcntl.h>
56 #include <sys/malloc.h>
57 #include <sys/ioctl.h>
58 #include <sys/tty.h>
59 #include <sys/termios.h>
60 #include <sys/systm.h>
61 #include <sys/callout.h>
62 #include <sys/proc.h>
63 #include <dev/cons.h>
64 #include <amiga/amiga/cc.h>
65 #include <amiga/amiga/color.h> /* DEBUG */
66 #include <amiga/amiga/custom.h> /* DEBUG */
67 #include <amiga/amiga/device.h>
68 #if defined(__m68k__)
69 #include <amiga/amiga/isr.h>
70 #endif
71 #include <amiga/dev/iteioctl.h>
72 #include <amiga/dev/itevar.h>
73 #include <amiga/dev/kbdmap.h>
74 #include <amiga/dev/grfioctl.h>
75 #include <amiga/dev/grfvar.h>
76
77 #include <machine/cpu.h> /* for is_draco() */
78
79 #include <sys/conf.h>
80 #include <machine/conf.h>
81
82 #include "grfcc.h"
83 #include "ite.h"
84
85 /*
86 * XXX go ask sys/kern/tty.c:ttselect()
87 */
88
89 #define ITEUNIT(dev) (minor(dev))
90
91 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
92 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
93 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
94 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
95 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
96 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
97 (ip)->grf->g_itescroll(ip,sy,sx,count,dir)
98
99 u_int ite_confunits; /* configured units */
100
101 int start_repeat_timeo = 30; /* first repeat after x s/100 */
102 int next_repeat_timeo = 10; /* next repeat after x s/100 */
103
104 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
105
106 struct ite_softc con_itesoftc;
107 u_char cons_tabs[MAX_TABS];
108
109 struct ite_softc *kbd_ite;
110
111 /* audio bell stuff */
112 u_int bvolume = 10;
113 u_int bpitch = 660;
114 u_int bmsec = 75;
115
116 static char *bsamplep;
117 static char sample[20] = {
118 0,39,75,103,121,127,121,103,75,39,0,
119 -39,-75,-103,-121,-127,-121,-103,-75,-39
120 };
121
122 static char *index __P((const char *, char));
123 void iteputchar __P((int c, struct ite_softc *ip));
124 void ite_putstr __P((const char * s, int len, dev_t dev));
125 void iteattach __P((struct device *, struct device *, void *));
126 int itematch __P((struct device *, struct cfdata *, void *));
127 static void iteprecheckwrap __P((struct ite_softc *));
128 static void itecheckwrap __P((struct ite_softc *));
129 struct ite_softc *getitesp __P((dev_t));
130 void init_bell __P((void));
131 void ite_bell __P((void));
132 void itecnpollc __P((dev_t, int));
133 static void repeat_handler __P((void *));
134 inline static void ite_sendstr __P((char *));
135 static void alignment_display __P((struct ite_softc *));
136 inline static void snap_cury __P((struct ite_softc *));
137 inline static void ite_dnchar __P((struct ite_softc *, int));
138 inline static void ite_inchar __P((struct ite_softc *, int));
139 inline static void ite_clrtoeol __P((struct ite_softc *));
140 inline static void ite_clrtobol __P((struct ite_softc *));
141 inline static void ite_clrline __P((struct ite_softc *));
142 inline static void ite_clrtoeos __P((struct ite_softc *));
143 inline static void ite_clrtobos __P((struct ite_softc *));
144 inline static void ite_clrscreen __P((struct ite_softc *));
145 inline static void ite_dnline __P((struct ite_softc *, int));
146 inline static void ite_inline __P((struct ite_softc *, int));
147 inline static void ite_lf __P((struct ite_softc *));
148 inline static void ite_crlf __P((struct ite_softc *));
149 inline static void ite_cr __P((struct ite_softc *));
150 inline static void ite_rlf __P((struct ite_softc *));
151 inline static int atoi __P((const char *));
152 inline static int ite_argnum __P((struct ite_softc *));
153 inline static int ite_zargnum __P((struct ite_softc *));
154
155 struct cfattach ite_ca = {
156 sizeof(struct ite_softc), itematch, iteattach
157 };
158
159 extern struct cfdriver ite_cd;
160
161 int
162 itematch(pdp, cfp, auxp)
163 struct device *pdp;
164 struct cfdata *cfp;
165 void *auxp;
166 {
167 struct grf_softc *gp;
168 int maj;
169
170 gp = auxp;
171 /*
172 * all that our mask allows (more than enough no one
173 * has > 32 monitors for text consoles on one machine)
174 */
175 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY)
176 return(0);
177 /*
178 * XXX
179 * normally this would be done in attach, however
180 * during early init we do not have a device pointer
181 * and thus no unit number.
182 */
183 for(maj = 0; maj < nchrdev; maj++)
184 if (cdevsw[maj].d_open == iteopen)
185 break;
186 gp->g_itedev = makedev(maj, cfp->cf_unit);
187 return(1);
188 }
189
190 void
191 iteattach(pdp, dp, auxp)
192 struct device *pdp, *dp;
193 void *auxp;
194 {
195 struct grf_softc *gp;
196 struct ite_softc *ip;
197 int s;
198
199 gp = (struct grf_softc *)auxp;
200
201 /*
202 * mark unit as attached (XXX see itematch)
203 */
204 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
205
206 if (dp) {
207 ip = (struct ite_softc *)dp;
208
209 s = spltty();
210 if (con_itesoftc.grf != NULL &&
211 con_itesoftc.grf->g_unit == gp->g_unit) {
212 /*
213 * console reinit copy params over.
214 * and console always gets keyboard
215 */
216 bcopy(&con_itesoftc.grf, &ip->grf,
217 (char *)&ip[1] - (char *)&ip->grf);
218 con_itesoftc.grf = NULL;
219 kbd_ite = ip;
220 }
221 ip->grf = gp;
222 splx(s);
223
224 alloc_sicallback();
225 iteinit(gp->g_itedev);
226 printf(": rows %d cols %d", ip->rows, ip->cols);
227 printf(" repeat at (%d/100)s next at (%d/100)s",
228 start_repeat_timeo, next_repeat_timeo);
229
230 if (kbd_ite == NULL)
231 kbd_ite = ip;
232 if (kbd_ite == ip)
233 printf(" has keyboard");
234 printf("\n");
235 } else {
236 if (con_itesoftc.grf != NULL &&
237 con_itesoftc.grf->g_conpri > gp->g_conpri)
238 return;
239 con_itesoftc.grf = gp;
240 con_itesoftc.tabs = cons_tabs;
241 }
242 }
243
244 struct ite_softc *
245 getitesp(dev)
246 dev_t dev;
247 {
248 if (amiga_realconfig && con_itesoftc.grf == NULL)
249 return(ite_cd.cd_devs[ITEUNIT(dev)]);
250
251 if (con_itesoftc.grf == NULL)
252 panic("no ite_softc for console");
253 return(&con_itesoftc);
254 }
255
256 /*
257 * cons.c entry points into ite device.
258 */
259
260 /*
261 * Return a priority in consdev->cn_pri field highest wins. This function
262 * is called before any devices have been probed.
263 */
264 void
265 itecnprobe(cd)
266 struct consdev *cd;
267 {
268 /*
269 * bring graphics layer up.
270 */
271 config_console();
272
273 /*
274 * return priority of the best ite (already picked from attach)
275 * or CN_DEAD.
276 */
277 if (con_itesoftc.grf == NULL)
278 cd->cn_pri = CN_DEAD;
279 else {
280 cd->cn_pri = con_itesoftc.grf->g_conpri;
281 cd->cn_dev = con_itesoftc.grf->g_itedev;
282 }
283 }
284
285 /* audio bell stuff */
286 void
287 init_bell()
288 {
289 if (bsamplep != NULL)
290 return;
291 bsamplep = alloc_chipmem(20);
292 if (bsamplep == NULL)
293 panic("no chipmem for ite_bell");
294
295 bcopy(sample, bsamplep, 20);
296 }
297
298 void
299 ite_bell()
300 {
301 u_int clock;
302 u_int period;
303 u_int count;
304
305 clock = 3579545; /* PAL 3546895 */
306
307 /*
308 * the number of clock ticks per sample byte must be > 124
309 * ergo bpitch must be < clock / 124*20
310 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously
311 */
312 period = clock / (bpitch * 20);
313 count = bmsec * bpitch / 1000;
314
315 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count);
316 }
317
318 void
319 itecninit(cd)
320 struct consdev *cd;
321 {
322 struct ite_softc *ip;
323
324 ip = getitesp(cd->cn_dev);
325 iteinit(cd->cn_dev);
326 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
327
328 #ifdef DRACO
329 if (!is_draco())
330 #endif
331 init_bell();
332 }
333
334 /*
335 * ite_cnfinish() is called in ite_init() when the device is
336 * being probed in the normal fasion, thus we can finish setting
337 * up this ite now that the system is more functional.
338 */
339 void
340 ite_cnfinish(ip)
341 struct ite_softc *ip;
342 {
343 static int done;
344
345 if (done)
346 return;
347 done = 1;
348 }
349
350 int
351 itecngetc(dev)
352 dev_t dev;
353 {
354 int c;
355
356 /* XXX this should be moved */
357 kbdenable();
358 do {
359 c = kbdgetcn();
360 c = ite_cnfilter(c, ITEFILT_CONSOLE);
361 } while (c == -1);
362 return (c);
363 }
364
365 void
366 itecnputc(dev, c)
367 dev_t dev;
368 int c;
369 {
370 static int paniced;
371 struct ite_softc *ip;
372 char ch;
373
374 ip = getitesp(dev);
375 ch = c;
376
377 if (panicstr && !paniced &&
378 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
379 (void)ite_on(dev, 3);
380 paniced = 1;
381 }
382 iteputchar(ch, ip);
383 }
384
385 void
386 itecnpollc(dev, on)
387 dev_t dev;
388 int on;
389 {
390
391 }
392
393 /*
394 * standard entry points to the device.
395 */
396
397 /*
398 * iteinit() is the standard entry point for initialization of
399 * an ite device, it is also called from ite_cninit().
400 *
401 */
402 void
403 iteinit(dev)
404 dev_t dev;
405 {
406 struct ite_softc *ip;
407 static int kbdmap_loaded = 0;
408
409 ip = getitesp(dev);
410 if (ip->flags & ITE_INITED)
411 return;
412 if (kbdmap_loaded == 0) {
413 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
414 kbdmap_loaded = 1;
415 }
416
417 ip->cursorx = 0;
418 ip->cursory = 0;
419 SUBR_INIT(ip);
420 SUBR_CURSOR(ip, DRAW_CURSOR);
421 if (ip->tabs == NULL)
422 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
423 ite_reset(ip);
424 ip->flags |= ITE_INITED;
425 }
426
427 int
428 iteopen(dev, mode, devtype, p)
429 dev_t dev;
430 int mode, devtype;
431 struct proc *p;
432 {
433 struct ite_softc *ip;
434 struct tty *tp;
435 int error, first, unit;
436
437 unit = ITEUNIT(dev);
438 first = 0;
439
440 if (((1 << unit) & ite_confunits) == 0)
441 return (ENXIO);
442
443 ip = getitesp(dev);
444
445 if (ip->tp == NULL) {
446 tp = ip->tp = ttymalloc();
447 tty_attach(tp);
448 } else
449 tp = ip->tp;
450 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
451 && p->p_ucred->cr_uid != 0)
452 return (EBUSY);
453 if ((ip->flags & ITE_ACTIVE) == 0) {
454 error = ite_on(dev, 0);
455 if (error)
456 return (error);
457 first = 1;
458 }
459 tp->t_oproc = itestart;
460 tp->t_param = ite_param;
461 tp->t_dev = dev;
462 if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) {
463 ttychars(tp);
464 tp->t_iflag = TTYDEF_IFLAG;
465 tp->t_oflag = TTYDEF_OFLAG;
466 tp->t_cflag = TTYDEF_CFLAG;
467 tp->t_lflag = TTYDEF_LFLAG;
468 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
469 tp->t_state = TS_CARR_ON;
470 ttsetwater(tp);
471 }
472 error = ttyopen(tp, 0, mode & O_NONBLOCK);
473 if (error)
474 goto bad;
475
476 error = tp->t_linesw->l_open(dev, tp);
477 if (error)
478 goto bad;
479
480 tp->t_winsize.ws_row = ip->rows;
481 tp->t_winsize.ws_col = ip->cols;
482 kbdenable();
483 return (0);
484 bad:
485 if (first)
486 ite_off(dev, 0);
487 return (error);
488 }
489
490 int
491 iteclose(dev, flag, mode, p)
492 dev_t dev;
493 int flag, mode;
494 struct proc *p;
495 {
496 struct tty *tp;
497
498 tp = getitesp(dev)->tp;
499
500 KDASSERT(tp);
501 tp->t_linesw->l_close(tp, flag);
502 ttyclose(tp);
503 ite_off(dev, 0);
504 return (0);
505 }
506
507 int
508 iteread(dev, uio, flag)
509 dev_t dev;
510 struct uio *uio;
511 int flag;
512 {
513 struct tty *tp;
514
515 tp = getitesp(dev)->tp;
516
517 KDASSERT(tp);
518 return tp->t_linesw->l_read(tp, uio, flag);
519 }
520
521 int
522 itewrite(dev, uio, flag)
523 dev_t dev;
524 struct uio *uio;
525 int flag;
526 {
527 struct tty *tp;
528
529 tp = getitesp(dev)->tp;
530
531 KDASSERT(tp);
532 return tp->t_linesw->l_write(tp, uio, flag);
533 }
534
535 int
536 itepoll(dev, events, p)
537 dev_t dev;
538 int events;
539 struct proc *p;
540 {
541 struct tty *tp;
542
543 tp = getitesp(dev)->tp;
544
545 KDASSERT(tp);
546 return ((*tp->t_linesw->l_poll)(tp, events, p));
547 }
548
549 struct tty *
550 itetty(dev)
551 dev_t dev;
552 {
553 return (getitesp(dev)->tp);
554 }
555
556 void
557 itestop(tp, flag)
558 struct tty *tp;
559 int flag;
560 {
561
562 }
563
564 int
565 iteioctl(dev, cmd, addr, flag, p)
566 dev_t dev;
567 u_long cmd;
568 caddr_t addr;
569 int flag;
570 struct proc *p;
571 {
572 struct iterepeat *irp;
573 struct ite_softc *ip;
574 struct itebell *ib;
575 struct tty *tp;
576 int error;
577
578 ip = getitesp(dev);
579 tp = ip->tp;
580
581 KDASSERT(tp);
582
583 error = tp->t_linesw->l_ioctl(tp, cmd, addr, flag, p);
584 if (error >= 0)
585 return (error);
586 error = ttioctl(tp, cmd, addr, flag, p);
587 if (error >= 0)
588 return (error);
589
590 switch (cmd) {
591 case ITEIOCGBELL:
592 ib = (struct itebell *)addr;
593 ib->volume = bvolume;
594 ib->pitch = bpitch;
595 ib->msec = bmsec;
596 return (0);
597 case ITEIOCSBELL:
598 ib = (struct itebell *)addr;
599
600 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH ||
601 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME)
602 return (EINVAL);
603 bvolume = ib->volume;
604 bpitch = ib->pitch;
605 bmsec = ib->msec;
606 return (0);
607 case ITEIOCSKMAP:
608 if (addr == 0)
609 return(EFAULT);
610 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
611 return(0);
612 case ITEIOCGKMAP:
613 if (addr == NULL)
614 return(EFAULT);
615 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
616 return(0);
617 case ITEIOCGREPT:
618 irp = (struct iterepeat *)addr;
619 irp->start = start_repeat_timeo;
620 irp->next = next_repeat_timeo;
621 return (0);
622 case ITEIOCSREPT:
623 irp = (struct iterepeat *)addr;
624 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
625 return(EINVAL);
626 start_repeat_timeo = irp->start;
627 next_repeat_timeo = irp->next;
628 return(0);
629 }
630 #if NGRFCC > 0
631 /* XXX */
632 if (minor(dev) == 0) {
633 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
634 if (error >= 0)
635 return (error);
636 }
637 #endif
638 return (ENOTTY);
639 }
640
641 void
642 itestart(tp)
643 struct tty *tp;
644 {
645 struct clist *rbp;
646 struct ite_softc *ip;
647 u_char buf[ITEBURST];
648 int s, len;
649
650 ip = getitesp(tp->t_dev);
651
652 KDASSERT(tp);
653
654 s = spltty(); {
655 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
656 goto out;
657
658 tp->t_state |= TS_BUSY;
659 rbp = &tp->t_outq;
660
661 len = q_to_b(rbp, buf, ITEBURST);
662 } splx(s);
663
664 /* Here is a really good place to implement pre/jumpscroll() */
665 ite_putstr(buf, len, tp->t_dev);
666
667 s = spltty(); {
668 tp->t_state &= ~TS_BUSY;
669 /* we have characters remaining. */
670 if (rbp->c_cc) {
671 tp->t_state |= TS_TIMEOUT;
672 callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp);
673 }
674 /* wakeup we are below */
675 if (rbp->c_cc <= tp->t_lowat) {
676 if (tp->t_state & TS_ASLEEP) {
677 tp->t_state &= ~TS_ASLEEP;
678 wakeup((caddr_t) rbp);
679 }
680 selwakeup(&tp->t_wsel);
681 }
682 out:
683 } splx(s);
684 }
685
686 int
687 ite_on(dev, flag)
688 dev_t dev;
689 int flag;
690 {
691 struct ite_softc *ip;
692 int unit;
693
694 unit = ITEUNIT(dev);
695 if (((1 << unit) & ite_confunits) == 0)
696 return (ENXIO);
697
698 ip = getitesp(dev);
699
700 /* force ite active, overriding graphics mode */
701 if (flag & 1) {
702 ip->flags |= ITE_ACTIVE;
703 ip->flags &= ~(ITE_INGRF | ITE_INITED);
704 }
705 /* leave graphics mode */
706 if (flag & 2) {
707 ip->flags &= ~ITE_INGRF;
708 if ((ip->flags & ITE_ACTIVE) == 0)
709 return (0);
710 }
711 ip->flags |= ITE_ACTIVE;
712 if (ip->flags & ITE_INGRF)
713 return (0);
714 iteinit(dev);
715 return (0);
716 }
717
718 void
719 ite_off(dev, flag)
720 dev_t dev;
721 int flag;
722 {
723 struct ite_softc *ip;
724
725 ip = getitesp(dev);
726 if (flag & 2)
727 ip->flags |= ITE_INGRF;
728 if ((ip->flags & ITE_ACTIVE) == 0)
729 return;
730 if ((flag & 1) ||
731 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
732 SUBR_DEINIT(ip);
733 /* XXX hmm grfon() I think wants this to go inactive. */
734 if ((flag & 2) == 0)
735 ip->flags &= ~ITE_ACTIVE;
736 }
737
738 /* XXX called after changes made in underlying grf layer. */
739 /* I want to nuke this */
740 void
741 ite_reinit(dev)
742 dev_t dev;
743 {
744 struct ite_softc *ip;
745
746 ip = getitesp(dev);
747 ip->flags &= ~ITE_INITED;
748 iteinit(dev);
749 }
750
751 int
752 ite_param(tp, t)
753 struct tty *tp;
754 struct termios *t;
755 {
756 tp->t_ispeed = t->c_ispeed;
757 tp->t_ospeed = t->c_ospeed;
758 tp->t_cflag = t->c_cflag;
759 return (0);
760 }
761
762 void
763 ite_reset(ip)
764 struct ite_softc *ip;
765 {
766 int i;
767
768 ip->curx = 0;
769 ip->cury = 0;
770 ip->attribute = ATTR_NOR;
771 ip->save_curx = 0;
772 ip->save_cury = 0;
773 ip->save_attribute = ATTR_NOR;
774 ip->ap = ip->argbuf;
775 ip->emul_level = 0;
776 ip->eightbit_C1 = 0;
777 ip->top_margin = 0;
778 ip->bottom_margin = ip->rows - 1;
779 ip->inside_margins = 0;
780 ip->linefeed_newline = 0;
781 ip->auto_wrap = ite_default_wrap;
782 ip->cursor_appmode = 0;
783 ip->keypad_appmode = 0;
784 ip->imode = 0;
785 ip->key_repeat = 1;
786 bzero(ip->tabs, ip->cols);
787 for (i = 0; i < ip->cols; i++)
788 ip->tabs[i] = ((i & 7) == 0);
789 }
790
791 /*
792 * has to be global becuase of the shared filters.
793 */
794 static u_char key_mod;
795 static u_char last_dead;
796
797 /* Used in console at startup only */
798 int
799 ite_cnfilter(c, caller)
800 u_char c;
801 enum caller caller;
802 {
803 struct key key;
804 u_char code, up, mask;
805 int s, i;
806
807 up = c & 0x80 ? 1 : 0;
808 c &= 0x7f;
809 code = 0;
810
811 s = spltty();
812
813 i = (int)c - KBD_LEFT_SHIFT;
814 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
815 mask = 1 << i;
816 if (up)
817 key_mod &= ~mask;
818 else
819 key_mod |= mask;
820 splx(s);
821 return -1;
822 }
823
824 if (up) {
825 splx(s);
826 return -1;
827 }
828
829 /* translate modifiers */
830 if (key_mod & KBD_MOD_SHIFT) {
831 if (key_mod & KBD_MOD_ALT)
832 key = kbdmap.alt_shift_keys[c];
833 else
834 key = kbdmap.shift_keys[c];
835 } else if (key_mod & KBD_MOD_ALT)
836 key = kbdmap.alt_keys[c];
837 else {
838 key = kbdmap.keys[c];
839 /* if CAPS and key is CAPable (no pun intended) */
840 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
841 key = kbdmap.shift_keys[c];
842 }
843 code = key.code;
844
845 /* if string return */
846 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
847 splx(s);
848 return -1;
849 }
850 /* handle dead keys */
851 if (key.mode & KBD_MODE_DEAD) {
852 /* if entered twice, send accent itself */
853 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
854 last_dead = 0;
855 else {
856 last_dead = key.mode & KBD_MODE_ACCMASK;
857 splx(s);
858 return -1;
859 }
860 }
861 if (last_dead) {
862 /* can't apply dead flag to string-keys */
863 if (code >= '@' && code < 0x7f)
864 code =
865 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
866 last_dead = 0;
867 }
868 if (key_mod & KBD_MOD_CTRL)
869 code &= 0x1f;
870 if (key_mod & KBD_MOD_META)
871 code |= 0x80;
872
873 /* do console mapping. */
874 code = code == '\r' ? '\n' : code;
875
876 splx(s);
877 return (code);
878 }
879
880 /* And now the old stuff. */
881
882 /* these are used to implement repeating keys.. */
883 static u_char last_char;
884 static u_char tout_pending;
885
886 static struct callout repeat_ch = CALLOUT_INITIALIZER;
887
888 /*ARGSUSED*/
889 static void
890 repeat_handler(arg)
891 void *arg;
892 {
893 tout_pending = 0;
894 if (last_char)
895 ite_filter(last_char, ITEFILT_REPEATER);
896 }
897
898 void
899 ite_filter(c, caller)
900 u_char c;
901 enum caller caller;
902 {
903 struct tty *kbd_tty;
904 u_char code, *str, up, mask;
905 struct key key;
906 int s, i;
907
908 if (kbd_ite == NULL || kbd_ite->tp == NULL)
909 return;
910
911 kbd_tty = kbd_ite->tp;
912
913 /* have to make sure we're at spltty in here */
914 s = spltty();
915
916 /*
917 * keyboard interrupts come at priority 2, while softint
918 * generated keyboard-repeat interrupts come at level 1. So,
919 * to not allow a key-up event to get thru before a repeat for
920 * the key-down, we remove any outstanding callout requests..
921 rem_sicallback(ite_sifilter);
922 */
923
924 up = c & 0x80 ? 1 : 0;
925 c &= 0x7f;
926 code = 0;
927
928 i = (int)c - KBD_LEFT_SHIFT;
929 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
930 mask = 1 << i;
931 if (up)
932 key_mod &= ~mask;
933 else
934 key_mod |= mask;
935 splx(s);
936 return;
937 }
938 /* stop repeating on up event */
939 if (up) {
940 if (tout_pending) {
941 callout_stop(&repeat_ch);
942 tout_pending = 0;
943 last_char = 0;
944 }
945 splx(s);
946 return;
947 } else if (tout_pending && last_char != c) {
948 /* different character, stop also */
949 callout_stop(&repeat_ch);
950 tout_pending = 0;
951 last_char = 0;
952 }
953 /* Safety button, switch back to ascii keymap. */
954 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
955 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
956
957 splx(s);
958 return;
959 #ifdef DDB
960 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
961 Debugger();
962 splx(s);
963 return;
964 #endif
965 }
966 /* translate modifiers */
967 if (key_mod & KBD_MOD_SHIFT) {
968 if (key_mod & KBD_MOD_ALT)
969 key = kbdmap.alt_shift_keys[c];
970 else
971 key = kbdmap.shift_keys[c];
972 } else if (key_mod & KBD_MOD_ALT)
973 key = kbdmap.alt_keys[c];
974 else {
975 key = kbdmap.keys[c];
976 /* if CAPS and key is CAPable (no pun intended) */
977 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
978 key = kbdmap.shift_keys[c];
979 }
980 code = key.code;
981
982 /*
983 * arrange to repeat the keystroke. By doing this at the level
984 * of scan-codes, we can have function keys, and keys that
985 * send strings, repeat too. This also entitles an additional
986 * overhead, since we have to do the conversion each time, but
987 * I guess that's ok.
988 */
989 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
990 tout_pending = 1;
991 last_char = c;
992 callout_reset(&repeat_ch,
993 start_repeat_timeo * hz / 100, repeat_handler, NULL);
994 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
995 kbd_ite->key_repeat) {
996 tout_pending = 1;
997 last_char = c;
998 callout_reset(&repeat_ch,
999 next_repeat_timeo * hz / 100, repeat_handler, NULL);
1000 }
1001 /* handle dead keys */
1002 if (key.mode & KBD_MODE_DEAD) {
1003 /* if entered twice, send accent itself */
1004 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
1005 last_dead = 0;
1006 else {
1007 last_dead = key.mode & KBD_MODE_ACCMASK;
1008 splx(s);
1009 return;
1010 }
1011 }
1012 if (last_dead) {
1013 /* can't apply dead flag to string-keys */
1014 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
1015 code < 0x7f)
1016 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
1017 last_dead = 0;
1018 }
1019 /* if not string, apply META and CTRL modifiers */
1020 if (!(key.mode & KBD_MODE_STRING)
1021 && (!(key.mode & KBD_MODE_KPAD) ||
1022 (kbd_ite && !kbd_ite->keypad_appmode))) {
1023 if (key_mod & KBD_MOD_CTRL)
1024 code &= 0x1f;
1025 if (key_mod & KBD_MOD_META)
1026 code |= 0x80;
1027 } else if ((key.mode & KBD_MODE_KPAD) &&
1028 (kbd_ite && kbd_ite->keypad_appmode)) {
1029 static char in[] = {
1030 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
1031 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
1032 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
1033 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
1034 0x5c /* / */, 0x5d /* * */
1035 };
1036 static char *out = "pqrstuvwxymlnMPQRS";
1037 char *cp = index (in, c);
1038
1039 /*
1040 * keypad-appmode sends SS3 followed by the above
1041 * translated character
1042 */
1043 kbd_tty->t_linesw->l_rint(27, kbd_tty);
1044 kbd_tty->t_linesw->l_rint('O', kbd_tty);
1045 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
1046 splx(s);
1047 return;
1048 } else {
1049 /* *NO* I don't like this.... */
1050 static u_char app_cursor[] =
1051 {
1052 3, 27, 'O', 'A',
1053 3, 27, 'O', 'B',
1054 3, 27, 'O', 'C',
1055 3, 27, 'O', 'D'};
1056
1057 str = kbdmap.strings + code;
1058 /*
1059 * if this is a cursor key, AND it has the default
1060 * keymap setting, AND we're in app-cursor mode, switch
1061 * to the above table. This is *nasty* !
1062 */
1063 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
1064 && !bcmp(str, "\x03\x1b[", 3) &&
1065 index("ABCD", str[3]))
1066 str = app_cursor + 4 * (str[3] - 'A');
1067
1068 /*
1069 * using a length-byte instead of 0-termination allows
1070 * to embed \0 into strings, although this is not used
1071 * in the default keymap
1072 */
1073 for (i = *str++; i; i--)
1074 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1075 splx(s);
1076 return;
1077 }
1078 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1079
1080 splx(s);
1081 return;
1082 }
1083
1084 /* helper functions, makes the code below more readable */
1085 inline static void
1086 ite_sendstr(str)
1087 char *str;
1088 {
1089 struct tty *kbd_tty;
1090
1091 kbd_tty = kbd_ite->tp;
1092 KDASSERT(kbd_tty);
1093 while (*str)
1094 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1095 }
1096
1097 static void
1098 alignment_display(ip)
1099 struct ite_softc *ip;
1100 {
1101 int i, j;
1102
1103 for (j = 0; j < ip->rows; j++)
1104 for (i = 0; i < ip->cols; i++)
1105 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1106 attrclr(ip, 0, 0, ip->rows, ip->cols);
1107 SUBR_CURSOR(ip, DRAW_CURSOR);
1108 }
1109
1110 inline static void
1111 snap_cury(ip)
1112 struct ite_softc *ip;
1113 {
1114 if (ip->inside_margins)
1115 {
1116 if (ip->cury < ip->top_margin)
1117 ip->cury = ip->top_margin;
1118 if (ip->cury > ip->bottom_margin)
1119 ip->cury = ip->bottom_margin;
1120 }
1121 }
1122
1123 inline static void
1124 ite_dnchar(ip, n)
1125 struct ite_softc *ip;
1126 int n;
1127 {
1128 n = min(n, ip->cols - ip->curx);
1129 if (n < ip->cols - ip->curx)
1130 {
1131 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1132 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1133 1, ip->cols - ip->curx - n);
1134 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1135 }
1136 while (n-- > 0)
1137 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1138 SUBR_CURSOR(ip, DRAW_CURSOR);
1139 }
1140
1141 inline static void
1142 ite_inchar(ip, n)
1143 struct ite_softc *ip;
1144 int n;
1145 {
1146 n = min(n, ip->cols - ip->curx);
1147 if (n < ip->cols - ip->curx)
1148 {
1149 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1150 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1151 1, ip->cols - ip->curx - n);
1152 attrclr(ip, ip->cury, ip->curx, 1, n);
1153 }
1154 while (n--)
1155 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1156 SUBR_CURSOR(ip, DRAW_CURSOR);
1157 }
1158
1159 inline static void
1160 ite_clrtoeol(ip)
1161 struct ite_softc *ip;
1162 {
1163 int y = ip->cury, x = ip->curx;
1164 if (ip->cols - x > 0)
1165 {
1166 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1167 attrclr(ip, y, x, 1, ip->cols - x);
1168 SUBR_CURSOR(ip, DRAW_CURSOR);
1169 }
1170 }
1171
1172 inline static void
1173 ite_clrtobol(ip)
1174 struct ite_softc *ip;
1175 {
1176 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1177 SUBR_CLEAR(ip, y, 0, 1, x);
1178 attrclr(ip, y, 0, 1, x);
1179 SUBR_CURSOR(ip, DRAW_CURSOR);
1180 }
1181
1182 inline static void
1183 ite_clrline(ip)
1184 struct ite_softc *ip;
1185 {
1186 int y = ip->cury;
1187 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1188 attrclr(ip, y, 0, 1, ip->cols);
1189 SUBR_CURSOR(ip, DRAW_CURSOR);
1190 }
1191
1192
1193
1194 inline static void
1195 ite_clrtoeos(ip)
1196 struct ite_softc *ip;
1197 {
1198 ite_clrtoeol(ip);
1199 if (ip->cury < ip->rows - 1)
1200 {
1201 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1202 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1203 SUBR_CURSOR(ip, DRAW_CURSOR);
1204 }
1205 }
1206
1207 inline static void
1208 ite_clrtobos(ip)
1209 struct ite_softc *ip;
1210 {
1211 ite_clrtobol(ip);
1212 if (ip->cury > 0)
1213 {
1214 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1215 attrclr(ip, 0, 0, ip->cury, ip->cols);
1216 SUBR_CURSOR(ip, DRAW_CURSOR);
1217 }
1218 }
1219
1220 inline static void
1221 ite_clrscreen(ip)
1222 struct ite_softc *ip;
1223 {
1224 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1225 attrclr(ip, 0, 0, ip->rows, ip->cols);
1226 SUBR_CURSOR(ip, DRAW_CURSOR);
1227 }
1228
1229
1230
1231 inline static void
1232 ite_dnline(ip, n)
1233 struct ite_softc *ip;
1234 int n;
1235 {
1236 /* interesting.. if the cursor is outside the scrolling
1237 region, this command is simply ignored.. */
1238 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1239 return;
1240
1241 n = min(n, ip->bottom_margin + 1 - ip->cury);
1242 if (n <= ip->bottom_margin - ip->cury)
1243 {
1244 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1245 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1246 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1247 }
1248 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1249 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1250 SUBR_CURSOR(ip, DRAW_CURSOR);
1251 }
1252
1253 inline static void
1254 ite_inline(ip, n)
1255 struct ite_softc *ip;
1256 int n;
1257 {
1258 /* interesting.. if the cursor is outside the scrolling
1259 region, this command is simply ignored.. */
1260 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1261 return;
1262
1263 n = min(n, ip->bottom_margin + 1 - ip->cury);
1264 if (n <= ip->bottom_margin - ip->cury)
1265 {
1266 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1267 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1268 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1269 }
1270 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1271 attrclr(ip, ip->cury, 0, n, ip->cols);
1272 SUBR_CURSOR(ip, DRAW_CURSOR);
1273 }
1274
1275 inline static void
1276 ite_lf (ip)
1277 struct ite_softc *ip;
1278 {
1279 ++ip->cury;
1280 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1281 {
1282 ip->cury--;
1283 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1284 ite_clrline(ip);
1285 }
1286 SUBR_CURSOR(ip, MOVE_CURSOR);
1287 clr_attr(ip, ATTR_INV);
1288 }
1289
1290 inline static void
1291 ite_crlf (ip)
1292 struct ite_softc *ip;
1293 {
1294 ip->curx = 0;
1295 ite_lf (ip);
1296 }
1297
1298 inline static void
1299 ite_cr (ip)
1300 struct ite_softc *ip;
1301 {
1302 if (ip->curx)
1303 {
1304 ip->curx = 0;
1305 SUBR_CURSOR(ip, MOVE_CURSOR);
1306 }
1307 }
1308
1309 inline static void
1310 ite_rlf (ip)
1311 struct ite_softc *ip;
1312 {
1313 ip->cury--;
1314 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1315 {
1316 ip->cury++;
1317 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1318 ite_clrline(ip);
1319 }
1320 SUBR_CURSOR(ip, MOVE_CURSOR);
1321 clr_attr(ip, ATTR_INV);
1322 }
1323
1324 inline static int
1325 atoi (cp)
1326 const char *cp;
1327 {
1328 int n;
1329
1330 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1331 n = n * 10 + *cp - '0';
1332
1333 return n;
1334 }
1335
1336 static char *
1337 index (cp, ch)
1338 const char *cp;
1339 char ch;
1340 {
1341 while (*cp && *cp != ch) cp++;
1342 return *cp ? (char *) cp : 0;
1343 }
1344
1345
1346
1347 inline static int
1348 ite_argnum (ip)
1349 struct ite_softc *ip;
1350 {
1351 char ch;
1352 int n;
1353
1354 /* convert argument string into number */
1355 if (ip->ap == ip->argbuf)
1356 return 1;
1357 ch = *ip->ap;
1358 *ip->ap = 0;
1359 n = atoi (ip->argbuf);
1360 *ip->ap = ch;
1361
1362 return n;
1363 }
1364
1365 inline static int
1366 ite_zargnum (ip)
1367 struct ite_softc *ip;
1368 {
1369 char ch;
1370 int n;
1371
1372 /* convert argument string into number */
1373 if (ip->ap == ip->argbuf)
1374 return 0;
1375 ch = *ip->ap;
1376 *ip->ap = 0;
1377 n = atoi (ip->argbuf);
1378 *ip->ap = ch;
1379
1380 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1381 }
1382
1383 void
1384 ite_putstr(s, len, dev)
1385 const char *s;
1386 int len;
1387 dev_t dev;
1388 {
1389 struct ite_softc *ip;
1390 int i;
1391
1392 ip = getitesp(dev);
1393
1394 /* XXX avoid problems */
1395 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1396 return;
1397
1398 SUBR_CURSOR(ip, START_CURSOROPT);
1399 for (i = 0; i < len; i++)
1400 if (s[i])
1401 iteputchar(s[i], ip);
1402 SUBR_CURSOR(ip, END_CURSOROPT);
1403 }
1404
1405 static void
1406 iteprecheckwrap(ip)
1407 struct ite_softc *ip;
1408 {
1409 if (ip->auto_wrap && ip->curx == ip->cols) {
1410 ip->curx = 0;
1411 clr_attr(ip, ATTR_INV);
1412 if (++ip->cury >= ip->bottom_margin + 1) {
1413 ip->cury = ip->bottom_margin;
1414 SUBR_CURSOR(ip, MOVE_CURSOR);
1415 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1416 ite_clrtoeol(ip);
1417 } else
1418 SUBR_CURSOR(ip, MOVE_CURSOR);
1419 }
1420 }
1421
1422 static void
1423 itecheckwrap(ip)
1424 struct ite_softc *ip;
1425 {
1426 #if 0
1427 if (++ip->curx == ip->cols) {
1428 if (ip->auto_wrap) {
1429 ip->curx = 0;
1430 clr_attr(ip, ATTR_INV);
1431 if (++ip->cury >= ip->bottom_margin + 1) {
1432 ip->cury = ip->bottom_margin;
1433 SUBR_CURSOR(ip, MOVE_CURSOR);
1434 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1435 ite_clrtoeol(ip);
1436 return;
1437 }
1438 } else
1439 /* stay there if no autowrap.. */
1440 ip->curx--;
1441 }
1442 #else
1443 if (ip->curx < ip->cols) {
1444 ip->curx++;
1445 SUBR_CURSOR(ip, MOVE_CURSOR);
1446 }
1447 #endif
1448 }
1449
1450 void
1451 iteputchar(c, ip)
1452 register int c;
1453 struct ite_softc *ip;
1454 {
1455 struct tty *kbd_tty;
1456 int n, x, y;
1457 char *cp;
1458
1459 if (kbd_ite == NULL)
1460 kbd_tty = NULL;
1461 else
1462 kbd_tty = kbd_ite->tp;
1463
1464 if (ip->escape) {
1465 switch (ip->escape) {
1466 case ESC:
1467 switch (c) {
1468 /*
1469 * first 7bit equivalents for the
1470 * 8bit control characters
1471 */
1472 case 'D':
1473 c = IND;
1474 ip->escape = 0;
1475 break;
1476 /*
1477 * and fall into the next
1478 * switch below (same for all `break')
1479 */
1480 case 'E':
1481 c = NEL;
1482 ip->escape = 0;
1483 break;
1484 case 'H':
1485 c = HTS;
1486 ip->escape = 0;
1487 break;
1488 case 'M':
1489 c = RI;
1490 ip->escape = 0;
1491 break;
1492 case 'N':
1493 c = SS2;
1494 ip->escape = 0;
1495 break;
1496 case 'O':
1497 c = SS3;
1498 ip->escape = 0;
1499 break;
1500 case 'P':
1501 c = DCS;
1502 ip->escape = 0;
1503 break;
1504 case '[':
1505 c = CSI;
1506 ip->escape = 0;
1507 break;
1508 case '\\':
1509 c = ST;
1510 ip->escape = 0;
1511 break;
1512 case ']':
1513 c = OSC;
1514 ip->escape = 0;
1515 break;
1516 case '^':
1517 c = PM;
1518 ip->escape = 0;
1519 break;
1520 case '_':
1521 c = APC;
1522 ip->escape = 0;
1523 break;
1524 /* introduces 7/8bit control */
1525 case ' ':
1526 /* can be followed by either F or G */
1527 ip->escape = ' ';
1528 break;
1529 /*
1530 * a lot of character set selections, not yet
1531 * used... 94-character sets:
1532 */
1533 case '(': /* G0 */
1534 case ')': /* G1 */
1535 ip->escape = c;
1536 return;
1537 case '*': /* G2 */
1538 case '+': /* G3 */
1539 case 'B': /* ASCII */
1540 case 'A': /* ISO latin 1 */
1541 case '<': /* user preferred suplemental */
1542 case '0': /* dec special graphics */
1543 /*
1544 * 96-character sets:
1545 */
1546 case '-': /* G1 */
1547 case '.': /* G2 */
1548 case '/': /* G3 */
1549 /*
1550 * national character sets:
1551 */
1552 case '4': /* dutch */
1553 case '5':
1554 case 'C': /* finnish */
1555 case 'R': /* french */
1556 case 'Q': /* french canadian */
1557 case 'K': /* german */
1558 case 'Y': /* italian */
1559 case '6': /* norwegian/danish */
1560 /*
1561 * note: %5 and %6 are not supported (two
1562 * chars..)
1563 */
1564 ip->escape = 0;
1565 /* just ignore for now */
1566 return;
1567 /*
1568 * locking shift modes (as you might guess, not
1569 * yet supported..)
1570 */
1571 case '`':
1572 ip->GR = ip->G1;
1573 ip->escape = 0;
1574 return;
1575 case 'n':
1576 ip->GL = ip->G2;
1577 ip->escape = 0;
1578 return;
1579 case '}':
1580 ip->GR = ip->G2;
1581 ip->escape = 0;
1582 return;
1583 case 'o':
1584 ip->GL = ip->G3;
1585 ip->escape = 0;
1586 return;
1587 case '|':
1588 ip->GR = ip->G3;
1589 ip->escape = 0;
1590 return;
1591 case '#':
1592 /* font width/height control */
1593 ip->escape = '#';
1594 return;
1595 case 'c':
1596 /* hard terminal reset .. */
1597 ite_reset(ip);
1598 SUBR_CURSOR(ip, MOVE_CURSOR);
1599 ip->escape = 0;
1600 return;
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 case '8':
1608 ip->curx = ip->save_curx;
1609 ip->cury = ip->save_cury;
1610 ip->attribute = ip->save_attribute;
1611 SUBR_CURSOR(ip, MOVE_CURSOR);
1612 ip->escape = 0;
1613 return;
1614 case '=':
1615 ip->keypad_appmode = 1;
1616 ip->escape = 0;
1617 return;
1618 case '>':
1619 ip->keypad_appmode = 0;
1620 ip->escape = 0;
1621 return;
1622 case 'Z': /* request ID */
1623 /* XXX not clean */
1624 if (ip->emul_level == EMUL_VT100)
1625 ite_sendstr("\033[?61;0c");
1626 else
1627 ite_sendstr("\033[?63;0c");
1628 ip->escape = 0;
1629 return;
1630 default:
1631 /*
1632 * default catch all for not recognized ESC
1633 * sequences
1634 */
1635 ip->escape = 0;
1636 return;
1637 }
1638 break;
1639 case '(':
1640 case ')':
1641 ip->escape = 0;
1642 return;
1643 case ' ':
1644 switch (c) {
1645 case 'F':
1646 ip->eightbit_C1 = 0;
1647 ip->escape = 0;
1648 return;
1649 case 'G':
1650 ip->eightbit_C1 = 1;
1651 ip->escape = 0;
1652 return;
1653 default:
1654 /* not supported */
1655 ip->escape = 0;
1656 return;
1657 }
1658 break;
1659 case '#':
1660 switch (c) {
1661 case '5':
1662 /* single height, single width */
1663 ip->escape = 0;
1664 return;
1665 case '6':
1666 /* double width, single height */
1667 ip->escape = 0;
1668 return;
1669 case '3':
1670 /* top half */
1671 ip->escape = 0;
1672 return;
1673 case '4':
1674 /* bottom half */
1675 ip->escape = 0;
1676 return;
1677 case '8':
1678 /* screen alignment pattern... */
1679 alignment_display(ip);
1680 ip->escape = 0;
1681 return;
1682 default:
1683 ip->escape = 0;
1684 return;
1685 }
1686 break;
1687 case CSI:
1688 /* the biggie... */
1689 switch (c) {
1690 case '0':
1691 case '1':
1692 case '2':
1693 case '3':
1694 case '4':
1695 case '5':
1696 case '6':
1697 case '7':
1698 case '8':
1699 case '9':
1700 case ';':
1701 case '\"':
1702 case '$':
1703 case '>':
1704 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1705 *ip->ap++ = c;
1706 return;
1707 case BS:
1708 /*
1709 * you wouldn't believe such perversion is
1710 * possible? it is.. BS is allowed in between
1711 * cursor sequences (at least), according to
1712 * vttest..
1713 */
1714 if (--ip->curx < 0)
1715 ip->curx = 0;
1716 else
1717 SUBR_CURSOR(ip, MOVE_CURSOR);
1718 break;
1719 case 'p':
1720 *ip->ap = 0;
1721 if (!strncmp(ip->argbuf, "61\"", 3))
1722 ip->emul_level = EMUL_VT100;
1723 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1724 || !strncmp(ip->argbuf, "62;1\"", 5))
1725 ip->emul_level = EMUL_VT300_7;
1726 else
1727 ip->emul_level = EMUL_VT300_8;
1728 ip->escape = 0;
1729 return;
1730 case '?':
1731 *ip->ap = 0;
1732 ip->escape = '?';
1733 ip->ap = ip->argbuf;
1734 return;
1735 case 'c':
1736 *ip->ap = 0;
1737 if (ip->argbuf[0] == '>') {
1738 ite_sendstr("\033[>24;0;0;0c");
1739 } else
1740 switch (ite_zargnum(ip)) {
1741 case 0:
1742 /*
1743 * primary DA request, send
1744 * primary DA response
1745 */
1746 if (ip->emul_level
1747 == EMUL_VT100)
1748 ite_sendstr(
1749 "\033[?1;1c");
1750 else
1751 ite_sendstr(
1752 "\033[?63;1c");
1753 break;
1754 }
1755 ip->escape = 0;
1756 return;
1757 case 'n':
1758 switch (ite_zargnum(ip)) {
1759 case 5:
1760 /* no malfunction */
1761 ite_sendstr("\033[0n");
1762 break;
1763 case 6:
1764 /* cursor position report */
1765 sprintf(ip->argbuf, "\033[%d;%dR",
1766 ip->cury + 1, ip->curx + 1);
1767 ite_sendstr(ip->argbuf);
1768 break;
1769 }
1770 ip->escape = 0;
1771 return;
1772 case 'x':
1773 switch (ite_zargnum(ip)) {
1774 case 0:
1775 /* Fake some terminal parameters. */
1776 ite_sendstr("\033[2;1;1;112;112;1;0x");
1777 break;
1778 case 1:
1779 ite_sendstr("\033[3;1;1;112;112;1;0x");
1780 break;
1781 }
1782 ip->escape = 0;
1783 return;
1784 case 'g':
1785 switch (ite_zargnum(ip)) {
1786 case 0:
1787 if (ip->curx < ip->cols)
1788 ip->tabs[ip->curx] = 0;
1789 break;
1790 case 3:
1791 for (n = 0; n < ip->cols; n++)
1792 ip->tabs[n] = 0;
1793 break;
1794 }
1795 ip->escape = 0;
1796 return;
1797 case 'h':
1798 case 'l':
1799 n = ite_zargnum(ip);
1800 switch (n) {
1801 case 4:
1802 /* insert/replace mode */
1803 ip->imode = (c == 'h');
1804 break;
1805 case 20:
1806 ip->linefeed_newline = (c == 'h');
1807 break;
1808 }
1809 ip->escape = 0;
1810 return;
1811 case 'M':
1812 ite_dnline(ip, ite_argnum(ip));
1813 ip->escape = 0;
1814 return;
1815 case 'L':
1816 ite_inline(ip, ite_argnum(ip));
1817 ip->escape = 0;
1818 return;
1819 case 'P':
1820 ite_dnchar(ip, ite_argnum(ip));
1821 ip->escape = 0;
1822 return;
1823 case '@':
1824 ite_inchar(ip, ite_argnum(ip));
1825 ip->escape = 0;
1826 return;
1827 case 'G':
1828 /*
1829 * this one was *not* in my vt320 manual but in
1830 * a vt320 termcap entry.. who is right? It's
1831 * supposed to set the horizontal cursor
1832 * position.
1833 */
1834 *ip->ap = 0;
1835 x = atoi(ip->argbuf);
1836 if (x)
1837 x--;
1838 ip->curx = min(x, ip->cols - 1);
1839 ip->escape = 0;
1840 SUBR_CURSOR(ip, MOVE_CURSOR);
1841 clr_attr(ip, ATTR_INV);
1842 return;
1843 case 'd':
1844 /*
1845 * same thing here, this one's for setting the
1846 * absolute vertical cursor position. Not
1847 * documented...
1848 */
1849 *ip->ap = 0;
1850 y = atoi(ip->argbuf);
1851 if (y)
1852 y--;
1853 if (ip->inside_margins)
1854 y += ip->top_margin;
1855 ip->cury = min(y, ip->rows - 1);
1856 ip->escape = 0;
1857 snap_cury(ip);
1858 SUBR_CURSOR(ip, MOVE_CURSOR);
1859 clr_attr(ip, ATTR_INV);
1860 return;
1861 case 'H':
1862 case 'f':
1863 *ip->ap = 0;
1864 y = atoi(ip->argbuf);
1865 x = 0;
1866 cp = index(ip->argbuf, ';');
1867 if (cp)
1868 x = atoi(cp + 1);
1869 if (x)
1870 x--;
1871 if (y)
1872 y--;
1873 if (ip->inside_margins)
1874 y += ip->top_margin;
1875 ip->cury = min(y, ip->rows - 1);
1876 ip->curx = min(x, ip->cols - 1);
1877 ip->escape = 0;
1878 snap_cury(ip);
1879 SUBR_CURSOR(ip, MOVE_CURSOR);
1880 clr_attr(ip, ATTR_INV);
1881 return;
1882 case 'A':
1883 n = ite_argnum(ip);
1884 n = ip->cury - (n ? n : 1);
1885 if (n < 0)
1886 n = 0;
1887 if (ip->inside_margins)
1888 n = max(ip->top_margin, n);
1889 else if (n == ip->top_margin - 1)
1890 /*
1891 * allow scrolling outside region, but
1892 * don't scroll out of active region
1893 * without explicit CUP
1894 */
1895 n = ip->top_margin;
1896 ip->cury = n;
1897 ip->escape = 0;
1898 SUBR_CURSOR(ip, MOVE_CURSOR);
1899 clr_attr(ip, ATTR_INV);
1900 return;
1901 case 'B':
1902 n = ite_argnum(ip);
1903 n = ip->cury + (n ? n : 1);
1904 n = min(ip->rows - 1, n);
1905 if (ip->inside_margins)
1906 n = min(ip->bottom_margin, n);
1907 else if (n == ip->bottom_margin + 1)
1908 /*
1909 * allow scrolling outside region, but
1910 * don't scroll out of active region
1911 * without explicit CUP
1912 */
1913 n = ip->bottom_margin;
1914 ip->cury = n;
1915 ip->escape = 0;
1916 SUBR_CURSOR(ip, MOVE_CURSOR);
1917 clr_attr(ip, ATTR_INV);
1918 return;
1919 case 'C':
1920 n = ite_argnum(ip);
1921 n = n ? n : 1;
1922 ip->curx = min(ip->curx + n, ip->cols - 1);
1923 ip->escape = 0;
1924 SUBR_CURSOR(ip, MOVE_CURSOR);
1925 clr_attr(ip, ATTR_INV);
1926 return;
1927 case 'D':
1928 n = ite_argnum(ip);
1929 n = n ? n : 1;
1930 n = ip->curx - n;
1931 ip->curx = n >= 0 ? n : 0;
1932 ip->escape = 0;
1933 SUBR_CURSOR(ip, MOVE_CURSOR);
1934 clr_attr(ip, ATTR_INV);
1935 return;
1936 case 'J':
1937 *ip->ap = 0;
1938 n = ite_zargnum(ip);
1939 if (n == 0)
1940 ite_clrtoeos(ip);
1941 else if (n == 1)
1942 ite_clrtobos(ip);
1943 else if (n == 2)
1944 ite_clrscreen(ip);
1945 ip->escape = 0;
1946 return;
1947 case 'K':
1948 n = ite_zargnum(ip);
1949 if (n == 0)
1950 ite_clrtoeol(ip);
1951 else if (n == 1)
1952 ite_clrtobol(ip);
1953 else if (n == 2)
1954 ite_clrline(ip);
1955 ip->escape = 0;
1956 return;
1957 case 'X':
1958 n = ite_argnum(ip) - 1;
1959 n = min(n, ip->cols - 1 - ip->curx);
1960 for (; n >= 0; n--) {
1961 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1962 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1963 }
1964 ip->escape = 0;
1965 return;
1966 case '}':
1967 case '`':
1968 /* status line control */
1969 ip->escape = 0;
1970 return;
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 y = atoi(cp + 1);
1979 y = y ? y : ip->rows;
1980 }
1981 if (y - x < 2) {
1982 /*
1983 * if illegal scrolling region, reset
1984 * to defaults
1985 */
1986 x = 1;
1987 y = ip->rows;
1988 }
1989 x--;
1990 y--;
1991 ip->top_margin = min(x, ip->rows - 1);
1992 ip->bottom_margin = min(y, ip->rows - 1);
1993 if (ip->inside_margins) {
1994 ip->cury = ip->top_margin;
1995 ip->curx = 0;
1996 SUBR_CURSOR(ip, MOVE_CURSOR);
1997 }
1998 ip->escape = 0;
1999 return;
2000 case 'm':
2001 /* big attribute setter/resetter */
2002 { char *cp;
2003 *ip->ap = 0;
2004 /* kludge to make CSIm work (== CSI0m) */
2005 if (ip->ap == ip->argbuf)
2006 ip->ap++;
2007 for (cp = ip->argbuf; cp < ip->ap;) {
2008 switch (*cp) {
2009 case 0:
2010 case '0':
2011 clr_attr(ip, ATTR_ALL);
2012 cp++;
2013 break;
2014
2015 case '1':
2016 set_attr(ip, ATTR_BOLD);
2017 cp++;
2018 break;
2019
2020 case '2':
2021 switch (cp[1]) {
2022 case '2':
2023 clr_attr(ip, ATTR_BOLD);
2024 cp += 2;
2025 break;
2026
2027 case '4':
2028 clr_attr(ip, ATTR_UL);
2029 cp += 2;
2030 break;
2031
2032 case '5':
2033 clr_attr(ip, ATTR_BLINK);
2034 cp += 2;
2035 break;
2036
2037 case '7':
2038 clr_attr(ip, ATTR_INV);
2039 cp += 2;
2040 break;
2041
2042 default:
2043 cp++;
2044 break;
2045 }
2046 break;
2047
2048 case '4':
2049 set_attr(ip, ATTR_UL);
2050 cp++;
2051 break;
2052
2053 case '5':
2054 set_attr(ip, ATTR_BLINK);
2055 cp++;
2056 break;
2057
2058 case '7':
2059 set_attr(ip, ATTR_INV);
2060 cp++;
2061 break;
2062
2063 default:
2064 cp++;
2065 break;
2066 }
2067 }
2068 ip->escape = 0;
2069 return; }
2070 case 'u':
2071 /* DECRQTSR */
2072 ite_sendstr("\033P\033\\");
2073 ip->escape = 0;
2074 return;
2075 default:
2076 ip->escape = 0;
2077 return;
2078 }
2079 break;
2080 case '?': /* CSI ? */
2081 switch (c) {
2082 case '0':
2083 case '1':
2084 case '2':
2085 case '3':
2086 case '4':
2087 case '5':
2088 case '6':
2089 case '7':
2090 case '8':
2091 case '9':
2092 case ';':
2093 case '\"':
2094 case '$':
2095 /*
2096 * Don't fill the last character;
2097 * it's needed.
2098 * XXX yeah, where ??
2099 */
2100 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2101 *ip->ap++ = c;
2102 return;
2103 case 'n':
2104 *ip->ap = 0;
2105 if (ip->ap == &ip->argbuf[2]) {
2106 if (!strncmp(ip->argbuf, "15", 2))
2107 /* printer status: no printer */
2108 ite_sendstr("\033[13n");
2109
2110 else if (!strncmp(ip->argbuf, "25", 2))
2111 /* udk status */
2112 ite_sendstr("\033[20n");
2113
2114 else if (!strncmp(ip->argbuf, "26", 2))
2115 /* keyboard dialect: US */
2116 ite_sendstr("\033[27;1n");
2117 }
2118 ip->escape = 0;
2119 return;
2120 case 'h':
2121 case 'l':
2122 n = ite_zargnum(ip);
2123 switch (n) {
2124 case 1:
2125 ip->cursor_appmode = (c == 'h');
2126 break;
2127 case 3:
2128 /* 132/80 columns (132 == 'h') */
2129 break;
2130 case 4: /* smooth scroll */
2131 break;
2132 case 5:
2133 /*
2134 * light background (=='h') /dark
2135 * background(=='l')
2136 */
2137 break;
2138 case 6: /* origin mode */
2139 ip->inside_margins = (c == 'h');
2140 ip->curx = 0;
2141 ip->cury = ip->inside_margins ?
2142 ip->top_margin : 0;
2143 SUBR_CURSOR(ip, MOVE_CURSOR);
2144 break;
2145 case 7: /* auto wraparound */
2146 ip->auto_wrap = (c == 'h');
2147 break;
2148 case 8: /* keyboard repeat */
2149 ip->key_repeat = (c == 'h');
2150 break;
2151 case 20: /* newline mode */
2152 ip->linefeed_newline = (c == 'h');
2153 break;
2154 case 25: /* cursor on/off */
2155 SUBR_CURSOR(ip, (c == 'h') ?
2156 DRAW_CURSOR : ERASE_CURSOR);
2157 break;
2158 }
2159 ip->escape = 0;
2160 return;
2161 default:
2162 ip->escape = 0;
2163 return;
2164 }
2165 break;
2166 default:
2167 ip->escape = 0;
2168 return;
2169 }
2170 }
2171 switch (c) {
2172 case VT: /* VT is treated like LF */
2173 case FF: /* so is FF */
2174 case LF:
2175 /*
2176 * cr->crlf distinction is done here, on output, not on input!
2177 */
2178 if (ip->linefeed_newline)
2179 ite_crlf(ip);
2180 else
2181 ite_lf(ip);
2182 break;
2183 case CR:
2184 ite_cr(ip);
2185 break;
2186 case BS:
2187 if (--ip->curx < 0)
2188 ip->curx = 0;
2189 else
2190 SUBR_CURSOR(ip, MOVE_CURSOR);
2191 break;
2192 case HT:
2193 for (n = ip->curx + 1; n < ip->cols; n++) {
2194 if (ip->tabs[n]) {
2195 ip->curx = n;
2196 SUBR_CURSOR(ip, MOVE_CURSOR);
2197 break;
2198 }
2199 }
2200 break;
2201 case BEL:
2202 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty
2203 #ifdef DRACO
2204 && !is_draco()
2205 #endif
2206 )
2207 ite_bell();
2208 break;
2209 case SO:
2210 ip->GL = ip->G1;
2211 break;
2212 case SI:
2213 ip->GL = ip->G0;
2214 break;
2215 case ENQ:
2216 /* send answer-back message !! */
2217 break;
2218 case CAN:
2219 ip->escape = 0; /* cancel any escape sequence in progress */
2220 break;
2221 case SUB:
2222 ip->escape = 0; /* dito, but see below */
2223 /* should also display a reverse question mark!! */
2224 break;
2225 case ESC:
2226 ip->escape = ESC;
2227 break;
2228 /*
2229 * now it gets weird.. 8bit control sequences..
2230 */
2231 case IND:
2232 /* index: move cursor down, scroll */
2233 ite_lf(ip);
2234 break;
2235 case NEL:
2236 /* next line. next line, first pos. */
2237 ite_crlf(ip);
2238 break;
2239 case HTS:
2240 /* set horizontal tab */
2241 if (ip->curx < ip->cols)
2242 ip->tabs[ip->curx] = 1;
2243 break;
2244 case RI:
2245 /* reverse index */
2246 ite_rlf(ip);
2247 break;
2248 case SS2:
2249 /* go into G2 for one character */
2250 /* not yet supported */
2251 break;
2252 case SS3:
2253 /* go into G3 for one character */
2254 break;
2255 case DCS:
2256 /* device control string introducer */
2257 ip->escape = DCS;
2258 ip->ap = ip->argbuf;
2259 break;
2260 case CSI:
2261 /* control sequence introducer */
2262 ip->escape = CSI;
2263 ip->ap = ip->argbuf;
2264 break;
2265 case ST:
2266 /* string terminator */
2267 /* ignore, if not used as terminator */
2268 break;
2269 case OSC:
2270 /*
2271 * introduces OS command. Ignore everything
2272 * upto ST
2273 */
2274 ip->escape = OSC;
2275 break;
2276 case PM:
2277 /* privacy message, ignore everything upto ST */
2278 ip->escape = PM;
2279 break;
2280 case APC:
2281 /*
2282 * application program command, ignore * everything upto ST
2283 */
2284 ip->escape = APC;
2285 break;
2286 default:
2287 if ((c & 0x7f) < ' ' || c == DEL)
2288 break;
2289 if (ip->imode)
2290 ite_inchar(ip, 1);
2291 iteprecheckwrap(ip);
2292 #ifdef DO_WEIRD_ATTRIBUTES
2293 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2294 attrset(ip, ATTR_INV);
2295 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2296 } else
2297 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2298 #else
2299 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2300 #endif
2301 SUBR_CURSOR(ip, DRAW_CURSOR);
2302 itecheckwrap(ip);
2303 break;
2304 }
2305 }
2306
2307