ite.c revision 1.34.2.1 1 /* $NetBSD: ite.c,v 1.34.2.1 2002/06/23 17:35:15 jdolecek Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * from: Utah Hdr: ite.c 1.1 90/07/09
41 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91
42 */
43
44 /*
45 * ite - bitmapped terminal.
46 * Supports VT200, a few terminal features will be unavailable until
47 * the system actually probes the device (i.e. not after consinit())
48 */
49
50 #include "opt_ddb.h"
51
52 #include <sys/param.h>
53 #include <sys/kernel.h>
54 #include <sys/conf.h>
55 #include <sys/device.h>
56 #include <sys/malloc.h>
57 #include <sys/fcntl.h>
58 #include <sys/ioctl.h>
59 #include <sys/tty.h>
60 #include <sys/termios.h>
61 #include <sys/systm.h>
62 #include <sys/callout.h>
63 #include <sys/proc.h>
64 #include <dev/cons.h>
65
66 #include <machine/cpu.h>
67
68 #include <atari/atari/device.h>
69 #include <atari/dev/event_var.h>
70 #include <atari/dev/kbdmap.h>
71 #include <atari/dev/kbdvar.h>
72 #include <atari/dev/iteioctl.h>
73 #include <atari/dev/itevar.h>
74 #include <atari/dev/grfioctl.h>
75 #include <atari/dev/grfabs_reg.h>
76 #include <atari/dev/grfvar.h>
77 #include <atari/dev/viewioctl.h>
78 #include <atari/dev/viewvar.h>
79
80 #define ITEUNIT(dev) (minor(dev))
81
82 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
83 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
84 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
85 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
86 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
87 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir)
88
89 u_int ite_confunits; /* configured units */
90
91 int start_repeat_timeo = 30; /* first repeat after x s/100 */
92 int next_repeat_timeo = 10; /* next repeat after x s/100 */
93
94 /*
95 * Patchable
96 */
97 int ite_default_x = 0; /* def leftedge offset */
98 int ite_default_y = 0; /* def topedge offset */
99 int ite_default_width = 640; /* def width */
100 int ite_default_depth = 1; /* def depth */
101 int ite_default_height = 400; /* def height */
102 int ite_default_wrap = 1; /* if you want vtxxx-nam -> binpatch */
103
104 struct ite_softc con_itesoftc;
105 u_char cons_tabs[MAX_TABS];
106
107 struct ite_softc *kbd_ite;
108 int kbd_init;
109
110 static __inline__ int atoi __P((const char *));
111 static __inline__ int ite_argnum __P((struct ite_softc *));
112 static __inline__ int ite_zargnum __P((struct ite_softc *));
113 static __inline__ void ite_cr __P((struct ite_softc *));
114 static __inline__ void ite_crlf __P((struct ite_softc *));
115 static __inline__ void ite_clrline __P((struct ite_softc *));
116 static __inline__ void ite_clrscreen __P((struct ite_softc *));
117 static __inline__ void ite_clrtobos __P((struct ite_softc *));
118 static __inline__ void ite_clrtobol __P((struct ite_softc *));
119 static __inline__ void ite_clrtoeol __P((struct ite_softc *));
120 static __inline__ void ite_clrtoeos __P((struct ite_softc *));
121 static __inline__ void ite_dnchar __P((struct ite_softc *, int));
122 static __inline__ void ite_inchar __P((struct ite_softc *, int));
123 static __inline__ void ite_inline __P((struct ite_softc *, int));
124 static __inline__ void ite_lf __P((struct ite_softc *));
125 static __inline__ void ite_dnline __P((struct ite_softc *, int));
126 static __inline__ void ite_rlf __P((struct ite_softc *));
127 static __inline__ void ite_sendstr __P((char *));
128 static __inline__ void snap_cury __P((struct ite_softc *));
129
130 static void alignment_display __P((struct ite_softc *));
131 static char *index __P((const char *, int));
132 static struct ite_softc *getitesp __P((dev_t));
133 static void itecheckwrap __P((struct ite_softc *));
134 static void iteprecheckwrap __P((struct ite_softc *));
135 static void itestart __P((struct tty *));
136 static void ite_switch __P((int));
137 static void repeat_handler __P((void *));
138
139 void iteputchar __P((int c, struct ite_softc *ip));
140 void ite_putstr __P((const u_char * s, int len, dev_t dev));
141 void iteattach __P((struct device *, struct device *, void *));
142 int itematch __P((struct device *, struct cfdata *, void *));
143
144 /*
145 * Console specific types.
146 */
147 dev_type_cnprobe(itecnprobe);
148 dev_type_cninit(itecninit);
149 dev_type_cngetc(itecngetc);
150 dev_type_cnputc(itecnputc);
151
152 struct cfattach ite_ca = {
153 sizeof(struct ite_softc), itematch, iteattach
154 };
155
156 extern struct cfdriver ite_cd;
157
158 /*
159 * Keep track of the device number of the ite console. Only used in the
160 * itematch/iteattach functions.
161 */
162 static int cons_ite = -1;
163
164 int
165 itematch(pdp, cfp, auxp)
166 struct device *pdp;
167 struct cfdata *cfp;
168 void *auxp;
169 {
170 static int nmatches = 0;
171
172 /*
173 * Handle early console stuff. The first cf_unit number
174 * matches the console unit. All other early matches will fail.
175 */
176 if (atari_realconfig == 0) {
177 if (cons_ite >= 0)
178 return 0;
179 cons_ite = cfp->cf_unit;
180 return 1;
181 }
182
183 /*
184 * all that our mask allows (more than enough no one
185 * has > 32 monitors for text consoles on one machine)
186 */
187 if (nmatches >= sizeof(ite_confunits) * NBBY)
188 return 0; /* checks STAR */
189 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY)
190 return 0; /* refuses ite100 at .... */
191 nmatches++;
192 return 1;
193 }
194
195 void
196 iteattach(pdp, dp, auxp)
197 struct device *pdp, *dp;
198 void *auxp;
199 {
200 struct grf_softc *gp;
201 struct ite_softc *ip;
202 int s;
203 int maj, unit;
204
205 gp = (struct grf_softc *)auxp;
206 ip = (struct ite_softc *)dp;
207
208 for(maj = 0; maj < nchrdev; maj++)
209 if (cdevsw[maj].d_open == iteopen)
210 break;
211 unit = (dp != NULL) ? ip->device.dv_unit : cons_ite;
212 gp->g_itedev = makedev(maj, unit);
213
214 if(dp) {
215
216 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
217
218 s = spltty();
219 if(con_itesoftc.grf != NULL
220 && con_itesoftc.grf->g_unit == gp->g_unit) {
221 /*
222 * console reinit copy params over.
223 * and console always gets keyboard
224 */
225 bcopy(&con_itesoftc.grf, &ip->grf,
226 (char *)&ip[1] - (char *)&ip->grf);
227 con_itesoftc.grf = NULL;
228 kbd_ite = ip;
229 }
230 ip->grf = gp;
231 splx(s);
232
233 iteinit(gp->g_itedev);
234 printf(": %dx%d", ip->rows, ip->cols);
235 printf(" repeat at (%d/100)s next at (%d/100)s",
236 start_repeat_timeo, next_repeat_timeo);
237
238 if (kbd_ite == NULL)
239 kbd_ite = ip;
240 if (kbd_ite == ip)
241 printf(" has keyboard");
242 printf("\n");
243 } else {
244 if (con_itesoftc.grf != NULL &&
245 con_itesoftc.grf->g_conpri > gp->g_conpri)
246 return;
247 con_itesoftc.grf = gp;
248 con_itesoftc.tabs = cons_tabs;
249 }
250 }
251
252 static struct ite_softc *
253 getitesp(dev)
254 dev_t dev;
255 {
256 if(atari_realconfig && (con_itesoftc.grf == NULL))
257 return(ite_cd.cd_devs[ITEUNIT(dev)]);
258
259 if(con_itesoftc.grf == NULL)
260 panic("no ite_softc for console");
261 return(&con_itesoftc);
262 }
263
264 /*
265 * cons.c entry points into ite device.
266 */
267
268 /*
269 * Return a priority in consdev->cn_pri field highest wins. This function
270 * is called before any devices have been probed.
271 */
272 void
273 itecnprobe(cd)
274 struct consdev *cd;
275 {
276 /*
277 * return priority of the best ite (already picked from attach)
278 * or CN_DEAD.
279 */
280 if (con_itesoftc.grf == NULL)
281 cd->cn_pri = CN_DEAD;
282 else {
283 cd->cn_pri = con_itesoftc.grf->g_conpri;
284 cd->cn_dev = con_itesoftc.grf->g_itedev;
285 }
286 }
287
288 void
289 itecninit(cd)
290 struct consdev *cd;
291 {
292 struct ite_softc *ip;
293
294 ip = getitesp(cd->cn_dev);
295 ip->flags |= ITE_ISCONS;
296 iteinit(cd->cn_dev);
297 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
298 }
299
300 /*
301 * ite_cnfinish() is called in ite_init() when the device is
302 * being probed in the normal fasion, thus we can finish setting
303 * up this ite now that the system is more functional.
304 */
305 void
306 ite_cnfinish(ip)
307 struct ite_softc *ip;
308 {
309 static int done;
310
311 if (done)
312 return;
313 done = 1;
314 }
315
316 int
317 itecngetc(dev)
318 dev_t dev;
319 {
320 int c;
321
322 do {
323 c = kbdgetcn();
324 c = ite_cnfilter(c, ITEFILT_CONSOLE);
325 } while (c == -1);
326 return (c);
327 }
328
329 void
330 itecnputc(dev, c)
331 dev_t dev;
332 int c;
333 {
334 static int paniced;
335 struct ite_softc *ip;
336 char ch;
337
338 ip = getitesp(dev);
339 ch = c;
340
341 if (panicstr && !paniced &&
342 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
343 (void)ite_on(dev, 3);
344 paniced = 1;
345 }
346 SUBR_CURSOR(ip, START_CURSOROPT);
347 iteputchar(ch, ip);
348 SUBR_CURSOR(ip, END_CURSOROPT);
349 }
350
351 /*
352 * standard entry points to the device.
353 */
354
355 /*
356 * iteinit() is the standard entry point for initialization of
357 * an ite device, it is also called from itecninit().
358 *
359 */
360 void
361 iteinit(dev)
362 dev_t dev;
363 {
364 struct ite_softc *ip;
365
366 ip = getitesp(dev);
367 if (ip->flags & ITE_INITED)
368 return;
369 if (atari_realconfig) {
370 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap)
371 free(ip->kbdmap, M_DEVBUF);
372 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK);
373 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap));
374 }
375 else ip->kbdmap = &ascii_kbdmap;
376
377 ip->cursorx = 0;
378 ip->cursory = 0;
379 SUBR_INIT(ip);
380 SUBR_CURSOR(ip, DRAW_CURSOR);
381 if (ip->tabs == NULL)
382 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
383 ite_reset(ip);
384 ip->flags |= ITE_INITED;
385 }
386
387 int
388 iteopen(dev, mode, devtype, p)
389 dev_t dev;
390 int mode, devtype;
391 struct proc *p;
392 {
393 struct ite_softc *ip;
394 struct tty *tp;
395 int error, first, unit;
396
397 unit = ITEUNIT(dev);
398 first = 0;
399
400 if (((1 << unit) & ite_confunits) == 0)
401 return (ENXIO);
402
403 ip = getitesp(dev);
404
405 if (ip->tp == NULL) {
406 tp = ip->tp = ttymalloc();
407 tty_attach(tp);
408 }
409 else tp = ip->tp;
410
411 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
412 && p->p_ucred->cr_uid != 0)
413 return (EBUSY);
414 if ((ip->flags & ITE_ACTIVE) == 0) {
415 error = ite_on(dev, 0);
416 if (error)
417 return (error);
418 first = 1;
419 }
420 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) {
421 tp->t_oproc = itestart;
422 tp->t_param = ite_param;
423 tp->t_dev = dev;
424 tp->t_iflag = TTYDEF_IFLAG;
425 tp->t_oflag = TTYDEF_OFLAG;
426 tp->t_cflag = TTYDEF_CFLAG;
427 tp->t_lflag = TTYDEF_LFLAG;
428 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
429 tp->t_state = TS_CARR_ON;
430 ttychars(tp);
431 ttsetwater(tp);
432 }
433
434
435 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0);
436 if (error)
437 goto bad;
438
439 error = (*tp->t_linesw->l_open) (dev, tp);
440 if (error)
441 goto bad;
442
443 tp->t_winsize.ws_row = ip->rows;
444 tp->t_winsize.ws_col = ip->cols;
445 if (!kbd_init) {
446 kbd_init = 1;
447 kbdenable();
448 }
449 return (0);
450
451
452 bad:
453 if (first)
454 ite_off(dev, 0);
455
456 return (error);
457 }
458
459 int
460 iteclose(dev, flag, mode, p)
461 dev_t dev;
462 int flag, mode;
463 struct proc *p;
464 {
465 struct tty *tp;
466
467 tp = getitesp(dev)->tp;
468
469 KDASSERT(tp);
470 (*tp->t_linesw->l_close) (tp, flag);
471 ttyclose(tp);
472 ite_off(dev, 0);
473 return (0);
474 }
475
476 int
477 iteread(dev, uio, flag)
478 dev_t dev;
479 struct uio *uio;
480 int flag;
481 {
482 struct tty *tp;
483
484 tp = getitesp(dev)->tp;
485
486 KDASSERT(tp);
487 return ((*tp->t_linesw->l_read) (tp, uio, flag));
488 }
489
490 int
491 itewrite(dev, uio, flag)
492 dev_t dev;
493 struct uio *uio;
494 int flag;
495 {
496 struct tty *tp;
497
498 tp = getitesp(dev)->tp;
499
500 KDASSERT(tp);
501 return ((*tp->t_linesw->l_write) (tp, uio, flag));
502 }
503
504 int
505 itepoll(dev, events, p)
506 dev_t dev;
507 int events;
508 struct proc *p;
509 {
510 struct tty *tp;
511
512 tp = getitesp(dev)->tp;
513
514 KDASSERT(tp);
515 return ((*tp->t_linesw->l_poll)(tp, events, p));
516 }
517
518 void
519 itestop(tp, flag)
520 struct tty *tp;
521 int flag;
522 {
523 }
524
525 struct tty *
526 itetty(dev)
527 dev_t dev;
528 {
529 return(getitesp(dev)->tp);
530 }
531
532 int
533 iteioctl(dev, cmd, addr, flag, p)
534 dev_t dev;
535 u_long cmd;
536 int flag;
537 caddr_t addr;
538 struct proc *p;
539 {
540 struct iterepeat *irp;
541 struct ite_softc *ip;
542 struct tty *tp;
543 view_t *view;
544 struct itewinsize *is;
545 struct itebell *ib;
546 int error;
547
548 ip = getitesp(dev);
549 tp = ip->tp;
550 view = viewview(ip->grf->g_viewdev);
551
552 KDASSERT(tp);
553
554 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, p);
555 if(error != EPASSTHROUGH)
556 return (error);
557
558 error = ttioctl(tp, cmd, addr, flag, p);
559 if (error != EPASSTHROUGH)
560 return (error);
561
562 switch (cmd) {
563 case ITEIOCSKMAP:
564 if (addr == NULL)
565 return(EFAULT);
566 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap));
567 return 0;
568 case ITEIOCSSKMAP:
569 if (addr == NULL)
570 return(EFAULT);
571 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap));
572 return 0;
573 case ITEIOCGKMAP:
574 if (addr == NULL)
575 return(EFAULT);
576 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap));
577 return 0;
578 case ITEIOCGREPT:
579 if (addr == NULL)
580 return(EFAULT);
581 irp = (struct iterepeat *)addr;
582 irp->start = start_repeat_timeo;
583 irp->next = next_repeat_timeo;
584 return 0;
585 case ITEIOCSREPT:
586 if (addr == NULL)
587 return(EFAULT);
588 irp = (struct iterepeat *)addr;
589 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT)
590 return(EINVAL);
591 start_repeat_timeo = irp->start;
592 next_repeat_timeo = irp->next;
593 return 0;
594 case ITEIOCGWINSZ:
595 if (addr == NULL)
596 return(EFAULT);
597 is = (struct itewinsize *)addr;
598 is->x = view->display.x;
599 is->y = view->display.y;
600 is->width = view->display.width;
601 is->height = view->display.height;
602 is->depth = view->bitmap->depth;
603 return 0;
604 case ITEIOCDSPWIN:
605 ip->grf->g_mode(ip->grf, GM_GRFON, NULL, 0, 0);
606 return 0;
607 case ITEIOCREMWIN:
608 ip->grf->g_mode(ip->grf, GM_GRFOFF, NULL, 0, 0);
609 return 0;
610 case ITEIOCSBELL:
611 if (addr == NULL)
612 return(EFAULT);
613 ib = (struct itebell *)addr;
614 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec);
615 return 0;
616 case ITEIOCGBELL:
617 if (addr == NULL)
618 return(EFAULT);
619 ib = (struct itebell *)addr;
620 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec);
621 return 0;
622 }
623 return (ip->itexx_ioctl)(ip, cmd, addr, flag, p);
624 }
625
626 void
627 itestart(tp)
628 struct tty *tp;
629 {
630 struct clist *rbp;
631 struct ite_softc *ip;
632 u_char buf[ITEBURST];
633 int s, len;
634
635 ip = getitesp(tp->t_dev);
636
637 KDASSERT(tp);
638
639 s = spltty(); {
640 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
641 goto out;
642
643 tp->t_state |= TS_BUSY;
644 rbp = &tp->t_outq;
645
646 len = q_to_b(rbp, buf, ITEBURST);
647 } splx(s);
648
649 /* Here is a really good place to implement pre/jumpscroll() */
650 ite_putstr((char *)buf, len, tp->t_dev);
651
652 s = spltty(); {
653 tp->t_state &= ~TS_BUSY;
654 /* we have characters remaining. */
655 if (rbp->c_cc) {
656 tp->t_state |= TS_TIMEOUT;
657 callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp);
658 }
659 /* wakeup we are below */
660 if (rbp->c_cc <= tp->t_lowat) {
661 if (tp->t_state & TS_ASLEEP) {
662 tp->t_state &= ~TS_ASLEEP;
663 wakeup((caddr_t) rbp);
664 }
665 selwakeup(&tp->t_wsel);
666 }
667 out: ;
668 } splx(s);
669 }
670
671 int
672 ite_on(dev, flag)
673 dev_t dev;
674 int flag;
675 {
676 struct ite_softc *ip;
677 int unit;
678
679 unit = ITEUNIT(dev);
680 if (((1 << unit) & ite_confunits) == 0)
681 return (ENXIO);
682
683 ip = getitesp(dev);
684
685 /* force ite active, overriding graphics mode */
686 if (flag & 1) {
687 ip->flags |= ITE_ACTIVE;
688 ip->flags &= ~(ITE_INGRF | ITE_INITED);
689 }
690 /* leave graphics mode */
691 if (flag & 2) {
692 ip->flags &= ~ITE_INGRF;
693 if ((ip->flags & ITE_ACTIVE) == 0)
694 return (0);
695 }
696 ip->flags |= ITE_ACTIVE;
697 if (ip->flags & ITE_INGRF)
698 return (0);
699 iteinit(dev);
700 return (0);
701 }
702
703 void
704 ite_off(dev, flag)
705 dev_t dev;
706 int flag;
707 {
708 struct ite_softc *ip;
709
710 ip = getitesp(dev);
711 if (flag & 2)
712 ip->flags |= ITE_INGRF;
713 if ((ip->flags & ITE_ACTIVE) == 0)
714 return;
715 if ((flag & 1) ||
716 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
717 SUBR_DEINIT(ip);
718 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
719 ip->flags &= ~ITE_ACTIVE;
720 }
721
722 static void
723 ite_switch(unit)
724 int unit;
725 {
726 struct ite_softc *ip;
727
728 if(!(ite_confunits & (1 << unit)))
729 return; /* Don't try unconfigured units */
730 ip = getitesp(unit);
731 if(!(ip->flags & ITE_INITED))
732 return;
733
734 /*
735 * If switching to an active ite, also switch the keyboard.
736 */
737 if(ip->flags & ITE_ACTIVE)
738 kbd_ite = ip;
739
740 /*
741 * Now make it visible
742 */
743 viewioctl(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 0, NOPROC);
744
745 /*
746 * Make sure the cursor's there too....
747 */
748 SUBR_CURSOR(ip, DRAW_CURSOR);
749 }
750
751 /* XXX called after changes made in underlying grf layer. */
752 /* I want to nuke this */
753 void
754 ite_reinit(dev)
755 dev_t dev;
756 {
757 struct ite_softc *ip;
758
759 ip = getitesp(dev);
760 ip->flags &= ~ITE_INITED;
761 iteinit(dev);
762 }
763
764 int
765 ite_param(tp, t)
766 struct tty *tp;
767 struct termios *t;
768 {
769 tp->t_ispeed = t->c_ispeed;
770 tp->t_ospeed = t->c_ospeed;
771 tp->t_cflag = t->c_cflag;
772 return (0);
773 }
774
775 void
776 ite_reset(ip)
777 struct ite_softc *ip;
778 {
779 int i;
780
781 ip->curx = 0;
782 ip->cury = 0;
783 ip->attribute = ATTR_NOR;
784 ip->save_curx = 0;
785 ip->save_cury = 0;
786 ip->save_attribute = ATTR_NOR;
787 ip->ap = ip->argbuf;
788 ip->emul_level = 0;
789 ip->eightbit_C1 = 0;
790 ip->top_margin = 0;
791 ip->bottom_margin = ip->rows - 1;
792 ip->inside_margins = 0;
793 ip->linefeed_newline = 0;
794 ip->auto_wrap = ite_default_wrap;
795 ip->cursor_appmode = 0;
796 ip->keypad_appmode = 0;
797 ip->imode = 0;
798 ip->key_repeat = 1;
799 bzero(ip->tabs, ip->cols);
800 for (i = 0; i < ip->cols; i++)
801 ip->tabs[i] = ((i & 7) == 0);
802 }
803
804 /*
805 * has to be global because of the shared filters.
806 */
807 static u_char last_dead;
808
809 /*
810 * Used in console at startup only and for DDB.
811 */
812 int
813 ite_cnfilter(c, caller)
814 u_int c;
815 enum caller caller;
816 {
817 struct key key;
818 struct kbdmap *kbdmap;
819 u_char code, up, mask;
820 int s;
821
822 up = KBD_RELEASED(c);
823 c = KBD_SCANCODE(c);
824 code = 0;
825 mask = 0;
826 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap;
827
828 s = spltty();
829
830 /*
831 * No special action if key released
832 */
833 if(up) {
834 splx(s);
835 return -1;
836 }
837
838 /* translate modifiers */
839 if(kbd_modifier & KBD_MOD_SHIFT) {
840 if(kbd_modifier & KBD_MOD_ALT)
841 key = kbdmap->alt_shift_keys[c];
842 else key = kbdmap->shift_keys[c];
843 }
844 else if(kbd_modifier & KBD_MOD_ALT)
845 key = kbdmap->alt_keys[c];
846 else {
847 key = kbdmap->keys[c];
848 /*
849 * If CAPS and key is CAPable (no pun intended)
850 */
851 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
852 key = kbdmap->shift_keys[c];
853 }
854 code = key.code;
855
856 #ifdef notyet /* LWP: Didn't have time to look at this yet */
857 /*
858 * If string return simple console filter
859 */
860 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
861 splx(s);
862 return -1;
863 }
864 /* handle dead keys */
865 if(key->mode & KBD_MODE_DEAD) {
866 /* if entered twice, send accent itself */
867 if (last_dead == key->mode & KBD_MODE_ACCMASK)
868 last_dead = 0;
869 else {
870 last_dead = key->mode & KBD_MODE_ACCMASK;
871 splx(s);
872 return -1;
873 }
874 }
875 if(last_dead) {
876 /* can't apply dead flag to string-keys */
877 if (code >= '@' && code < 0x7f)
878 code =
879 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
880 last_dead = 0;
881 }
882 #endif
883 if(kbd_modifier & KBD_MOD_CTRL)
884 code &= 0x1f;
885
886 /*
887 * Do console mapping.
888 */
889 code = code == '\r' ? '\n' : code;
890
891 splx(s);
892 return (code);
893 }
894
895 /* And now the old stuff. */
896
897 /* these are used to implement repeating keys.. */
898 static u_int last_char;
899 static u_char tout_pending;
900
901 static struct callout repeat_ch = CALLOUT_INITIALIZER;
902
903 /*ARGSUSED*/
904 static void
905 repeat_handler(arg)
906 void *arg;
907 {
908 tout_pending = 0;
909 if(last_char)
910 add_sicallback((si_farg)ite_filter, (void *)last_char,
911 (void *)ITEFILT_REPEATER);
912 }
913
914 void
915 ite_filter(c, caller)
916 u_int c;
917 enum caller caller;
918 {
919 struct tty *kbd_tty;
920 struct kbdmap *kbdmap;
921 u_char code, *str, up, mask;
922 struct key key;
923 int s, i;
924
925 if(kbd_ite == NULL)
926 return;
927
928 kbd_tty = kbd_ite->tp;
929 kbdmap = kbd_ite->kbdmap;
930
931 up = KBD_RELEASED(c);
932 c = KBD_SCANCODE(c);
933 code = 0;
934 mask = 0;
935
936 /* have to make sure we're at spltty in here */
937 s = spltty();
938
939 /*
940 * keyboard interrupts come at priority 2, while softint
941 * generated keyboard-repeat interrupts come at level 1. So,
942 * to not allow a key-up event to get thru before a repeat for
943 * the key-down, we remove any outstanding callout requests..
944 */
945 rem_sicallback((si_farg)ite_filter);
946
947 /*
948 * Stop repeating on up event
949 */
950 if (up) {
951 if(tout_pending) {
952 callout_stop(&repeat_ch);
953 tout_pending = 0;
954 last_char = 0;
955 }
956 splx(s);
957 return;
958 }
959 else if(tout_pending && last_char != c) {
960 /*
961 * Different character, stop also
962 */
963 callout_stop(&repeat_ch);
964 tout_pending = 0;
965 last_char = 0;
966 }
967
968 /*
969 * Handle ite-switching ALT + Fx
970 */
971 if((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
972 ite_switch(c - 0x3b);
973 splx(s);
974 return;
975 }
976 /*
977 * Safety button, switch back to ascii keymap.
978 */
979 if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
980 /* ALT + LSHIFT + F1 */
981 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap));
982 splx(s);
983 return;
984 #ifdef DDB
985 }
986 else if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) {
987 /*
988 * ALT + LSHIFT + F9 -> Debugger!
989 */
990 Debugger();
991 splx(s);
992 return;
993 #endif
994 }
995
996 /*
997 * The rest of the code is senseless when the device is not open.
998 */
999 if(kbd_tty == NULL) {
1000 splx(s);
1001 return;
1002 }
1003
1004 /*
1005 * Translate modifiers
1006 */
1007 if(kbd_modifier & KBD_MOD_SHIFT) {
1008 if(kbd_modifier & KBD_MOD_ALT)
1009 key = kbdmap->alt_shift_keys[c];
1010 else key = kbdmap->shift_keys[c];
1011 }
1012 else if(kbd_modifier & KBD_MOD_ALT)
1013 key = kbdmap->alt_keys[c];
1014 else {
1015 key = kbdmap->keys[c];
1016 /*
1017 * If CAPS and key is CAPable (no pun intended)
1018 */
1019 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
1020 key = kbdmap->shift_keys[c];
1021 }
1022 code = key.code;
1023
1024 /*
1025 * Arrange to repeat the keystroke. By doing this at the level
1026 * of scan-codes, we can have function keys, and keys that
1027 * send strings, repeat too. This also entitles an additional
1028 * overhead, since we have to do the conversion each time, but
1029 * I guess that's ok.
1030 */
1031 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
1032 tout_pending = 1;
1033 last_char = c;
1034 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100,
1035 repeat_handler, NULL);
1036 }
1037 else if(!tout_pending && caller==ITEFILT_REPEATER
1038 && kbd_ite->key_repeat) {
1039 tout_pending = 1;
1040 last_char = c;
1041 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100,
1042 repeat_handler, NULL);
1043 }
1044 /* handle dead keys */
1045 if (key.mode & KBD_MODE_DEAD) {
1046 /* if entered twice, send accent itself */
1047 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
1048 last_dead = 0;
1049 else {
1050 last_dead = key.mode & KBD_MODE_ACCMASK;
1051 splx(s);
1052 return;
1053 }
1054 }
1055 if (last_dead) {
1056 /* can't apply dead flag to string-keys */
1057 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
1058 code < 0x7f)
1059 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
1060 last_dead = 0;
1061 }
1062
1063 /*
1064 * If not string, apply CTRL modifiers
1065 */
1066 if(!(key.mode & KBD_MODE_STRING)
1067 && (!(key.mode & KBD_MODE_KPAD)
1068 || (kbd_ite && !kbd_ite->keypad_appmode))) {
1069 if(kbd_modifier & KBD_MOD_CTRL)
1070 code &= 0x1f;
1071 }
1072 else if((key.mode & KBD_MODE_KPAD)
1073 && (kbd_ite && kbd_ite->keypad_appmode)) {
1074 static char *in = "0123456789-+.\r()/*";
1075 static char *out = "pqrstuvwxymlnMPQRS";
1076 char *cp = index(in, code);
1077
1078 /*
1079 * keypad-appmode sends SS3 followed by the above
1080 * translated character
1081 */
1082 kbd_tty->t_linesw->l_rint(27, kbd_tty);
1083 kbd_tty->t_linesw->l_rint('O', kbd_tty);
1084 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
1085 splx(s);
1086 return;
1087 } else {
1088 /* *NO* I don't like this.... */
1089 static u_char app_cursor[] =
1090 {
1091 3, 27, 'O', 'A',
1092 3, 27, 'O', 'B',
1093 3, 27, 'O', 'C',
1094 3, 27, 'O', 'D'};
1095
1096 str = kbdmap->strings + code;
1097 /*
1098 * if this is a cursor key, AND it has the default
1099 * keymap setting, AND we're in app-cursor mode, switch
1100 * to the above table. This is *nasty* !
1101 */
1102 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50))
1103 && kbd_ite->cursor_appmode
1104 && !bcmp(str, "\x03\x1b[", 3) &&
1105 index("ABCD", str[3]))
1106 str = app_cursor + 4 * (str[3] - 'A');
1107
1108 /*
1109 * using a length-byte instead of 0-termination allows
1110 * to embed \0 into strings, although this is not used
1111 * in the default keymap
1112 */
1113 for (i = *str++; i; i--)
1114 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1115 splx(s);
1116 return;
1117 }
1118 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1119
1120 splx(s);
1121 return;
1122 }
1123
1124 /* helper functions, makes the code below more readable */
1125 static __inline__ void
1126 ite_sendstr(str)
1127 char *str;
1128 {
1129 struct tty *kbd_tty;
1130
1131 kbd_tty = kbd_ite->tp;
1132 KDASSERT(kbd_tty);
1133 while (*str)
1134 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1135 }
1136
1137 static void
1138 alignment_display(ip)
1139 struct ite_softc *ip;
1140 {
1141 int i, j;
1142
1143 for (j = 0; j < ip->rows; j++)
1144 for (i = 0; i < ip->cols; i++)
1145 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1146 attrclr(ip, 0, 0, ip->rows, ip->cols);
1147 SUBR_CURSOR(ip, DRAW_CURSOR);
1148 }
1149
1150 static __inline__ void
1151 snap_cury(ip)
1152 struct ite_softc *ip;
1153 {
1154 if (ip->inside_margins)
1155 {
1156 if (ip->cury < ip->top_margin)
1157 ip->cury = ip->top_margin;
1158 if (ip->cury > ip->bottom_margin)
1159 ip->cury = ip->bottom_margin;
1160 }
1161 }
1162
1163 static __inline__ void
1164 ite_dnchar(ip, n)
1165 struct ite_softc *ip;
1166 int n;
1167 {
1168 n = min(n, ip->cols - ip->curx);
1169 if (n < ip->cols - ip->curx)
1170 {
1171 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1172 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1173 1, ip->cols - ip->curx - n);
1174 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1175 }
1176 while (n-- > 0)
1177 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1178 SUBR_CURSOR(ip, DRAW_CURSOR);
1179 }
1180
1181 static __inline__ void
1182 ite_inchar(ip, n)
1183 struct ite_softc *ip;
1184 int n;
1185 {
1186 n = min(n, ip->cols - ip->curx);
1187 if (n < ip->cols - ip->curx)
1188 {
1189 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1190 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1191 1, ip->cols - ip->curx - n);
1192 attrclr(ip, ip->cury, ip->curx, 1, n);
1193 }
1194 while (n--)
1195 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1196 SUBR_CURSOR(ip, DRAW_CURSOR);
1197 }
1198
1199 static __inline__ void
1200 ite_clrtoeol(ip)
1201 struct ite_softc *ip;
1202 {
1203 int y = ip->cury, x = ip->curx;
1204 if (ip->cols - x > 0)
1205 {
1206 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1207 attrclr(ip, y, x, 1, ip->cols - x);
1208 SUBR_CURSOR(ip, DRAW_CURSOR);
1209 }
1210 }
1211
1212 static __inline__ void
1213 ite_clrtobol(ip)
1214 struct ite_softc *ip;
1215 {
1216 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1217 SUBR_CLEAR(ip, y, 0, 1, x);
1218 attrclr(ip, y, 0, 1, x);
1219 SUBR_CURSOR(ip, DRAW_CURSOR);
1220 }
1221
1222 static __inline__ void
1223 ite_clrline(ip)
1224 struct ite_softc *ip;
1225 {
1226 int y = ip->cury;
1227 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1228 attrclr(ip, y, 0, 1, ip->cols);
1229 SUBR_CURSOR(ip, DRAW_CURSOR);
1230 }
1231
1232
1233
1234 static __inline__ void
1235 ite_clrtoeos(ip)
1236 struct ite_softc *ip;
1237 {
1238 ite_clrtoeol(ip);
1239 if (ip->cury < ip->rows - 1)
1240 {
1241 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1242 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1243 SUBR_CURSOR(ip, DRAW_CURSOR);
1244 }
1245 }
1246
1247 static __inline__ void
1248 ite_clrtobos(ip)
1249 struct ite_softc *ip;
1250 {
1251 ite_clrtobol(ip);
1252 if (ip->cury > 0)
1253 {
1254 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1255 attrclr(ip, 0, 0, ip->cury, ip->cols);
1256 SUBR_CURSOR(ip, DRAW_CURSOR);
1257 }
1258 }
1259
1260 static __inline__ void
1261 ite_clrscreen(ip)
1262 struct ite_softc *ip;
1263 {
1264 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1265 attrclr(ip, 0, 0, ip->rows, ip->cols);
1266 SUBR_CURSOR(ip, DRAW_CURSOR);
1267 }
1268
1269
1270
1271 static __inline__ void
1272 ite_dnline(ip, n)
1273 struct ite_softc *ip;
1274 int n;
1275 {
1276 /* interesting.. if the cursor is outside the scrolling
1277 region, this command is simply ignored.. */
1278 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1279 return;
1280
1281 n = min(n, ip->bottom_margin + 1 - ip->cury);
1282 if (n <= ip->bottom_margin - ip->cury)
1283 {
1284 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1285 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1286 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1287 }
1288 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1289 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1290 SUBR_CURSOR(ip, DRAW_CURSOR);
1291 }
1292
1293 static __inline__ void
1294 ite_inline(ip, n)
1295 struct ite_softc *ip;
1296 int n;
1297 {
1298 /* interesting.. if the cursor is outside the scrolling
1299 region, this command is simply ignored.. */
1300 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1301 return;
1302
1303 n = min(n, ip->bottom_margin + 1 - ip->cury);
1304 if (n <= ip->bottom_margin - ip->cury)
1305 {
1306 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1307 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1308 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1309 }
1310 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1311 attrclr(ip, ip->cury, 0, n, ip->cols);
1312 SUBR_CURSOR(ip, DRAW_CURSOR);
1313 }
1314
1315 static __inline__ void
1316 ite_lf (ip)
1317 struct ite_softc *ip;
1318 {
1319 ++ip->cury;
1320 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1321 {
1322 ip->cury--;
1323 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1324 ite_clrline(ip);
1325 }
1326 SUBR_CURSOR(ip, MOVE_CURSOR);
1327 clr_attr(ip, ATTR_INV);
1328 }
1329
1330 static __inline__ void
1331 ite_crlf (ip)
1332 struct ite_softc *ip;
1333 {
1334 ip->curx = 0;
1335 ite_lf (ip);
1336 }
1337
1338 static __inline__ void
1339 ite_cr (ip)
1340 struct ite_softc *ip;
1341 {
1342 if (ip->curx)
1343 {
1344 ip->curx = 0;
1345 SUBR_CURSOR(ip, MOVE_CURSOR);
1346 }
1347 }
1348
1349 static __inline__ void
1350 ite_rlf (ip)
1351 struct ite_softc *ip;
1352 {
1353 ip->cury--;
1354 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1355 {
1356 ip->cury++;
1357 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1358 ite_clrline(ip);
1359 }
1360 SUBR_CURSOR(ip, MOVE_CURSOR);
1361 clr_attr(ip, ATTR_INV);
1362 }
1363
1364 static __inline__ int
1365 atoi (cp)
1366 const char *cp;
1367 {
1368 int n;
1369
1370 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1371 n = n * 10 + *cp - '0';
1372
1373 return n;
1374 }
1375
1376 static char *
1377 index (cp, ch)
1378 const char *cp;
1379 int ch;
1380 {
1381 while (*cp && *cp != ch) cp++;
1382 return *cp ? (char *) cp : 0;
1383 }
1384
1385
1386 static __inline__ int
1387 ite_argnum (ip)
1388 struct ite_softc *ip;
1389 {
1390 char ch;
1391 int n;
1392
1393 /* convert argument string into number */
1394 if (ip->ap == ip->argbuf)
1395 return 1;
1396 ch = *ip->ap;
1397 *ip->ap = 0;
1398 n = atoi (ip->argbuf);
1399 *ip->ap = ch;
1400
1401 return n;
1402 }
1403
1404 static __inline__ int
1405 ite_zargnum (ip)
1406 struct ite_softc *ip;
1407 {
1408 char ch;
1409 int n;
1410
1411 /* convert argument string into number */
1412 if (ip->ap == ip->argbuf)
1413 return 0;
1414 ch = *ip->ap;
1415 *ip->ap = 0;
1416 n = atoi (ip->argbuf);
1417 *ip->ap = ch;
1418
1419 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1420 }
1421
1422 void
1423 ite_putstr(s, len, dev)
1424 const u_char *s;
1425 int len;
1426 dev_t dev;
1427 {
1428 struct ite_softc *ip;
1429 int i;
1430
1431 ip = getitesp(dev);
1432
1433 /* XXX avoid problems */
1434 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1435 return;
1436
1437 SUBR_CURSOR(ip, START_CURSOROPT);
1438 for (i = 0; i < len; i++)
1439 if (s[i])
1440 iteputchar(s[i], ip);
1441 SUBR_CURSOR(ip, END_CURSOROPT);
1442 }
1443
1444
1445 void
1446 iteputchar(c, ip)
1447 register int c;
1448 struct ite_softc *ip;
1449 {
1450 struct tty *kbd_tty;
1451 int n, x, y;
1452 char *cp;
1453
1454 if (kbd_ite == NULL)
1455 kbd_tty = NULL;
1456 else
1457 kbd_tty = kbd_ite->tp;
1458
1459 if (ip->escape)
1460 {
1461 switch (ip->escape)
1462 {
1463 case ESC:
1464 switch (c)
1465 {
1466 /* first 7bit equivalents for the 8bit control characters */
1467
1468 case 'D':
1469 c = IND;
1470 ip->escape = 0;
1471 break; /* and fall into the next switch below (same for all `break') */
1472
1473 case 'E':
1474 c = NEL;
1475 ip->escape = 0;
1476 break;
1477
1478 case 'H':
1479 c = HTS;
1480 ip->escape = 0;
1481 break;
1482
1483 case 'M':
1484 c = RI;
1485 ip->escape = 0;
1486 break;
1487
1488 case 'N':
1489 c = SS2;
1490 ip->escape = 0;
1491 break;
1492
1493 case 'O':
1494 c = SS3;
1495 ip->escape = 0;
1496 break;
1497
1498 case 'P':
1499 c = DCS;
1500 ip->escape = 0;
1501 break;
1502
1503 case '[':
1504 c = CSI;
1505 ip->escape = 0;
1506 break;
1507
1508 case '\\':
1509 c = ST;
1510 ip->escape = 0;
1511 break;
1512
1513 case ']':
1514 c = OSC;
1515 ip->escape = 0;
1516 break;
1517
1518 case '^':
1519 c = PM;
1520 ip->escape = 0;
1521 break;
1522
1523 case '_':
1524 c = APC;
1525 ip->escape = 0;
1526 break;
1527
1528
1529 /* introduces 7/8bit control */
1530 case ' ':
1531 /* can be followed by either F or G */
1532 ip->escape = ' ';
1533 break;
1534
1535
1536 /* a lot of character set selections, not yet used...
1537 94-character sets: */
1538 case '(': /* G0 */
1539 case ')': /* G1 */
1540 ip->escape = c;
1541 return;
1542
1543 case '*': /* G2 */
1544 case '+': /* G3 */
1545 case 'B': /* ASCII */
1546 case 'A': /* ISO latin 1 */
1547 case '<': /* user preferred suplemental */
1548 case '0': /* dec special graphics */
1549
1550 /* 96-character sets: */
1551 case '-': /* G1 */
1552 case '.': /* G2 */
1553 case '/': /* G3 */
1554
1555 /* national character sets: */
1556 case '4': /* dutch */
1557 case '5':
1558 case 'C': /* finnish */
1559 case 'R': /* french */
1560 case 'Q': /* french canadian */
1561 case 'K': /* german */
1562 case 'Y': /* italian */
1563 case '6': /* norwegian/danish */
1564 /* note: %5 and %6 are not supported (two chars..) */
1565
1566 ip->escape = 0;
1567 /* just ignore for now */
1568 return;
1569
1570
1571 /* locking shift modes (as you might guess, not yet supported..) */
1572 case '`':
1573 ip->GR = ip->G1;
1574 ip->escape = 0;
1575 return;
1576
1577 case 'n':
1578 ip->GL = ip->G2;
1579 ip->escape = 0;
1580 return;
1581
1582 case '}':
1583 ip->GR = ip->G2;
1584 ip->escape = 0;
1585 return;
1586
1587 case 'o':
1588 ip->GL = ip->G3;
1589 ip->escape = 0;
1590 return;
1591
1592 case '|':
1593 ip->GR = ip->G3;
1594 ip->escape = 0;
1595 return;
1596
1597
1598 /* font width/height control */
1599 case '#':
1600 ip->escape = '#';
1601 return;
1602
1603
1604 /* hard terminal reset .. */
1605 case 'c':
1606 ite_reset (ip);
1607 SUBR_CURSOR(ip, MOVE_CURSOR);
1608 ip->escape = 0;
1609 return;
1610
1611
1612 case '7':
1613 ip->save_curx = ip->curx;
1614 ip->save_cury = ip->cury;
1615 ip->save_attribute = ip->attribute;
1616 ip->escape = 0;
1617 return;
1618
1619 case '8':
1620 ip->curx = ip->save_curx;
1621 ip->cury = ip->save_cury;
1622 ip->attribute = ip->save_attribute;
1623 SUBR_CURSOR(ip, MOVE_CURSOR);
1624 ip->escape = 0;
1625 return;
1626
1627 case '=':
1628 ip->keypad_appmode = 1;
1629 ip->escape = 0;
1630 return;
1631
1632 case '>':
1633 ip->keypad_appmode = 0;
1634 ip->escape = 0;
1635 return;
1636
1637 case 'Z': /* request ID */
1638 if (ip->emul_level == EMUL_VT100)
1639 ite_sendstr ("\033[?61;0c"); /* XXX not clean */
1640 else
1641 ite_sendstr ("\033[?63;0c"); /* XXX not clean */
1642 ip->escape = 0;
1643 return;
1644
1645 /* default catch all for not recognized ESC sequences */
1646 default:
1647 ip->escape = 0;
1648 return;
1649 }
1650 break;
1651
1652
1653 case '(':
1654 case ')':
1655 ip->escape = 0;
1656 return;
1657
1658
1659 case ' ':
1660 switch (c)
1661 {
1662 case 'F':
1663 ip->eightbit_C1 = 0;
1664 ip->escape = 0;
1665 return;
1666
1667 case 'G':
1668 ip->eightbit_C1 = 1;
1669 ip->escape = 0;
1670 return;
1671
1672 default:
1673 /* not supported */
1674 ip->escape = 0;
1675 return;
1676 }
1677 break;
1678
1679
1680 case '#':
1681 switch (c)
1682 {
1683 case '5':
1684 /* single height, single width */
1685 ip->escape = 0;
1686 return;
1687
1688 case '6':
1689 /* double width, single height */
1690 ip->escape = 0;
1691 return;
1692
1693 case '3':
1694 /* top half */
1695 ip->escape = 0;
1696 return;
1697
1698 case '4':
1699 /* bottom half */
1700 ip->escape = 0;
1701 return;
1702
1703 case '8':
1704 /* screen alignment pattern... */
1705 alignment_display (ip);
1706 ip->escape = 0;
1707 return;
1708
1709 default:
1710 ip->escape = 0;
1711 return;
1712 }
1713 break;
1714
1715
1716
1717 case CSI:
1718 /* the biggie... */
1719 switch (c)
1720 {
1721 case '0': case '1': case '2': case '3': case '4':
1722 case '5': case '6': case '7': case '8': case '9':
1723 case ';': case '\"': case '$': case '>':
1724 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1725 *ip->ap++ = c;
1726 return;
1727
1728 case BS:
1729 /* you wouldn't believe such perversion is possible?
1730 it is.. BS is allowed in between cursor sequences
1731 (at least), according to vttest.. */
1732 if (--ip->curx < 0)
1733 ip->curx = 0;
1734 else
1735 SUBR_CURSOR(ip, MOVE_CURSOR);
1736 break;
1737
1738 case 'p':
1739 *ip->ap = 0;
1740 if (! strncmp (ip->argbuf, "61\"", 3))
1741 ip->emul_level = EMUL_VT100;
1742 else if (! strncmp (ip->argbuf, "63;1\"", 5)
1743 || ! strncmp (ip->argbuf, "62;1\"", 5))
1744 ip->emul_level = EMUL_VT300_7;
1745 else
1746 ip->emul_level = EMUL_VT300_8;
1747 ip->escape = 0;
1748 return;
1749
1750
1751 case '?':
1752 *ip->ap = 0;
1753 ip->escape = '?';
1754 ip->ap = ip->argbuf;
1755 return;
1756
1757
1758 case 'c':
1759 *ip->ap = 0;
1760 if (ip->argbuf[0] == '>')
1761 {
1762 ite_sendstr ("\033[>24;0;0;0c");
1763 }
1764 else switch (ite_zargnum(ip))
1765 {
1766 case 0:
1767 /* primary DA request, send primary DA response */
1768 if (ip->emul_level == EMUL_VT100)
1769 ite_sendstr ("\033[?1;1c");
1770 else
1771 ite_sendstr ("\033[?63;1c");
1772 break;
1773 }
1774 ip->escape = 0;
1775 return;
1776
1777 case 'n':
1778 switch (ite_zargnum(ip))
1779 {
1780 case 5:
1781 ite_sendstr ("\033[0n"); /* no malfunction */
1782 break;
1783 case 6:
1784 /* cursor position report */
1785 sprintf (ip->argbuf, "\033[%d;%dR",
1786 ip->cury + 1, ip->curx + 1);
1787 ite_sendstr (ip->argbuf);
1788 break;
1789 }
1790 ip->escape = 0;
1791 return;
1792
1793
1794 case 'x':
1795 switch (ite_zargnum(ip))
1796 {
1797 case 0:
1798 /* Fake some terminal parameters. */
1799 ite_sendstr ("\033[2;1;1;112;112;1;0x");
1800 break;
1801 case 1:
1802 ite_sendstr ("\033[3;1;1;112;112;1;0x");
1803 break;
1804 }
1805 ip->escape = 0;
1806 return;
1807
1808
1809 case 'g':
1810 switch (ite_zargnum(ip))
1811 {
1812 case 0:
1813 if (ip->curx < ip->cols)
1814 ip->tabs[ip->curx] = 0;
1815 break;
1816 case 3:
1817 for (n = 0; n < ip->cols; n++)
1818 ip->tabs[n] = 0;
1819 break;
1820 }
1821 ip->escape = 0;
1822 return;
1823
1824
1825 case 'h': case 'l':
1826 n = ite_zargnum (ip);
1827 switch (n)
1828 {
1829 case 4:
1830 ip->imode = (c == 'h'); /* insert/replace mode */
1831 break;
1832 case 20:
1833 ip->linefeed_newline = (c == 'h');
1834 break;
1835 }
1836 ip->escape = 0;
1837 return;
1838
1839
1840 case 'M':
1841 ite_dnline (ip, ite_argnum (ip));
1842 ip->escape = 0;
1843 return;
1844
1845
1846 case 'L':
1847 ite_inline (ip, ite_argnum (ip));
1848 ip->escape = 0;
1849 return;
1850
1851
1852 case 'P':
1853 ite_dnchar (ip, ite_argnum (ip));
1854 ip->escape = 0;
1855 return;
1856
1857
1858 case '@':
1859 ite_inchar (ip, ite_argnum (ip));
1860 ip->escape = 0;
1861 return;
1862
1863
1864 case 'G':
1865 /* this one was *not* in my vt320 manual but in
1866 a vt320 termcap entry.. who is right?
1867 It's supposed to set the horizontal cursor position. */
1868 *ip->ap = 0;
1869 x = atoi (ip->argbuf);
1870 if (x) x--;
1871 ip->curx = min(x, ip->cols - 1);
1872 ip->escape = 0;
1873 SUBR_CURSOR(ip, MOVE_CURSOR);
1874 clr_attr (ip, ATTR_INV);
1875 return;
1876
1877
1878 case 'd':
1879 /* same thing here, this one's for setting the absolute
1880 vertical cursor position. Not documented... */
1881 *ip->ap = 0;
1882 y = atoi (ip->argbuf);
1883 if (y) y--;
1884 if (ip->inside_margins)
1885 y += ip->top_margin;
1886 ip->cury = min(y, ip->rows - 1);
1887 ip->escape = 0;
1888 snap_cury(ip);
1889 SUBR_CURSOR(ip, MOVE_CURSOR);
1890 clr_attr (ip, ATTR_INV);
1891 return;
1892
1893
1894 case 'H':
1895 case 'f':
1896 *ip->ap = 0;
1897 y = atoi (ip->argbuf);
1898 x = 0;
1899 cp = index (ip->argbuf, ';');
1900 if (cp)
1901 x = atoi (cp + 1);
1902 if (x) x--;
1903 if (y) y--;
1904 if (ip->inside_margins)
1905 y += ip->top_margin;
1906 ip->cury = min(y, ip->rows - 1);
1907 ip->curx = min(x, ip->cols - 1);
1908 ip->escape = 0;
1909 snap_cury(ip);
1910 SUBR_CURSOR(ip, MOVE_CURSOR);
1911 clr_attr (ip, ATTR_INV);
1912 return;
1913
1914 case 'A':
1915 n = ite_argnum (ip);
1916 n = ip->cury - (n ? n : 1);
1917 if (n < 0) n = 0;
1918 if (ip->inside_margins)
1919 n = max(ip->top_margin, n);
1920 else if (n == ip->top_margin - 1)
1921 /* allow scrolling outside region, but don't scroll out
1922 of active region without explicit CUP */
1923 n = ip->top_margin;
1924 ip->cury = n;
1925 ip->escape = 0;
1926 SUBR_CURSOR(ip, MOVE_CURSOR);
1927 clr_attr (ip, ATTR_INV);
1928 return;
1929
1930 case 'B':
1931 n = ite_argnum (ip);
1932 n = ip->cury + (n ? n : 1);
1933 n = min(ip->rows - 1, n);
1934 if (ip->inside_margins)
1935 n = min(ip->bottom_margin, n);
1936 else if (n == ip->bottom_margin + 1)
1937 /* allow scrolling outside region, but don't scroll out
1938 of active region without explicit CUP */
1939 n = ip->bottom_margin;
1940 ip->cury = n;
1941 ip->escape = 0;
1942 SUBR_CURSOR(ip, MOVE_CURSOR);
1943 clr_attr (ip, ATTR_INV);
1944 return;
1945
1946 case 'C':
1947 n = ite_argnum (ip);
1948 n = n ? n : 1;
1949 ip->curx = min(ip->curx + n, ip->cols - 1);
1950 ip->escape = 0;
1951 SUBR_CURSOR(ip, MOVE_CURSOR);
1952 clr_attr (ip, ATTR_INV);
1953 return;
1954
1955 case 'D':
1956 n = ite_argnum (ip);
1957 n = n ? n : 1;
1958 n = ip->curx - n;
1959 ip->curx = n >= 0 ? n : 0;
1960 ip->escape = 0;
1961 SUBR_CURSOR(ip, MOVE_CURSOR);
1962 clr_attr (ip, ATTR_INV);
1963 return;
1964
1965
1966
1967
1968 case 'J':
1969 *ip->ap = 0;
1970 n = ite_zargnum (ip);
1971 if (n == 0)
1972 ite_clrtoeos(ip);
1973 else if (n == 1)
1974 ite_clrtobos(ip);
1975 else if (n == 2)
1976 ite_clrscreen(ip);
1977 ip->escape = 0;
1978 return;
1979
1980
1981 case 'K':
1982 n = ite_zargnum (ip);
1983 if (n == 0)
1984 ite_clrtoeol(ip);
1985 else if (n == 1)
1986 ite_clrtobol(ip);
1987 else if (n == 2)
1988 ite_clrline(ip);
1989 ip->escape = 0;
1990 return;
1991
1992
1993 case 'X':
1994 n = ite_argnum(ip) - 1;
1995 n = min(n, ip->cols - 1 - ip->curx);
1996 for (; n >= 0; n--)
1997 {
1998 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1999 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
2000 }
2001 ip->escape = 0;
2002 return;
2003
2004
2005 case '}': case '`':
2006 /* status line control */
2007 ip->escape = 0;
2008 return;
2009
2010
2011 case 'r':
2012 *ip->ap = 0;
2013 x = atoi (ip->argbuf);
2014 x = x ? x : 1;
2015 y = ip->rows;
2016 cp = index (ip->argbuf, ';');
2017 if (cp)
2018 {
2019 y = atoi (cp + 1);
2020 y = y ? y : ip->rows;
2021 }
2022 if (y - x < 2)
2023 {
2024 /* if illegal scrolling region, reset to defaults */
2025 x = 1;
2026 y = ip->rows;
2027 }
2028 x--;
2029 y--;
2030 ip->top_margin = min(x, ip->rows - 1);
2031 ip->bottom_margin = min(y, ip->rows - 1);
2032 if (ip->inside_margins)
2033 {
2034 ip->cury = ip->top_margin;
2035 ip->curx = 0;
2036 SUBR_CURSOR(ip, MOVE_CURSOR);
2037 }
2038 ip->escape = 0;
2039 return;
2040
2041
2042 case 'm':
2043 /* big attribute setter/resetter */
2044 {
2045 char *cp;
2046 *ip->ap = 0;
2047 /* kludge to make CSIm work (== CSI0m) */
2048 if (ip->ap == ip->argbuf)
2049 ip->ap++;
2050 for (cp = ip->argbuf; cp < ip->ap; )
2051 {
2052 switch (*cp)
2053 {
2054 case 0:
2055 case '0':
2056 clr_attr (ip, ATTR_ALL);
2057 cp++;
2058 break;
2059
2060 case '1':
2061 set_attr (ip, ATTR_BOLD);
2062 cp++;
2063 break;
2064
2065 case '2':
2066 switch (cp[1])
2067 {
2068 case '2':
2069 clr_attr (ip, ATTR_BOLD);
2070 cp += 2;
2071 break;
2072
2073 case '4':
2074 clr_attr (ip, ATTR_UL);
2075 cp += 2;
2076 break;
2077
2078 case '5':
2079 clr_attr (ip, ATTR_BLINK);
2080 cp += 2;
2081 break;
2082
2083 case '7':
2084 clr_attr (ip, ATTR_INV);
2085 cp += 2;
2086 break;
2087
2088 default:
2089 cp++;
2090 break;
2091 }
2092 break;
2093
2094 case '4':
2095 set_attr (ip, ATTR_UL);
2096 cp++;
2097 break;
2098
2099 case '5':
2100 set_attr (ip, ATTR_BLINK);
2101 cp++;
2102 break;
2103
2104 case '7':
2105 set_attr (ip, ATTR_INV);
2106 cp++;
2107 break;
2108
2109 default:
2110 cp++;
2111 break;
2112 }
2113 }
2114
2115 }
2116 ip->escape = 0;
2117 return;
2118
2119
2120 case 'u':
2121 /* DECRQTSR */
2122 ite_sendstr ("\033P\033\\");
2123 ip->escape = 0;
2124 return;
2125
2126
2127
2128 default:
2129 ip->escape = 0;
2130 return;
2131 }
2132 break;
2133
2134
2135
2136 case '?': /* CSI ? */
2137 switch (c)
2138 {
2139 case '0': case '1': case '2': case '3': case '4':
2140 case '5': case '6': case '7': case '8': case '9':
2141 case ';': case '\"': case '$':
2142 /* Don't fill the last character; it's needed. */
2143 /* XXX yeah, where ?? */
2144 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2145 *ip->ap++ = c;
2146 return;
2147
2148
2149 case 'n':
2150 *ip->ap = 0;
2151 if (ip->ap == &ip->argbuf[2])
2152 {
2153 if (! strncmp (ip->argbuf, "15", 2))
2154 /* printer status: no printer */
2155 ite_sendstr ("\033[13n");
2156
2157 else if (! strncmp (ip->argbuf, "25", 2))
2158 /* udk status */
2159 ite_sendstr ("\033[20n");
2160
2161 else if (! strncmp (ip->argbuf, "26", 2))
2162 /* keyboard dialect: US */
2163 ite_sendstr ("\033[27;1n");
2164 }
2165 ip->escape = 0;
2166 return;
2167
2168
2169 case 'h': case 'l':
2170 n = ite_zargnum (ip);
2171 switch (n)
2172 {
2173 case 1:
2174 ip->cursor_appmode = (c == 'h');
2175 break;
2176
2177 case 3:
2178 /* 132/80 columns (132 == 'h') */
2179 break;
2180
2181 case 4: /* smooth scroll */
2182 break;
2183
2184 case 5:
2185 /* light background (=='h') /dark background(=='l') */
2186 break;
2187
2188 case 6: /* origin mode */
2189 ip->inside_margins = (c == 'h');
2190 ip->curx = 0;
2191 ip->cury = ip->inside_margins ? ip->top_margin : 0;
2192 SUBR_CURSOR(ip, MOVE_CURSOR);
2193 break;
2194
2195 case 7: /* auto wraparound */
2196 ip->auto_wrap = (c == 'h');
2197 break;
2198
2199 case 8: /* keyboard repeat */
2200 ip->key_repeat = (c == 'h');
2201 break;
2202
2203 case 20: /* newline mode */
2204 ip->linefeed_newline = (c == 'h');
2205 break;
2206
2207 case 25: /* cursor on/off */
2208 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2209 break;
2210 }
2211 ip->escape = 0;
2212 return;
2213
2214 default:
2215 ip->escape = 0;
2216 return;
2217 }
2218 break;
2219
2220
2221 default:
2222 ip->escape = 0;
2223 return;
2224 }
2225 }
2226
2227 switch (c) {
2228
2229 case VT: /* VT is treated like LF */
2230 case FF: /* so is FF */
2231 case LF:
2232 /* cr->crlf distinction is done here, on output,
2233 not on input! */
2234 if (ip->linefeed_newline)
2235 ite_crlf (ip);
2236 else
2237 ite_lf (ip);
2238 break;
2239
2240 case CR:
2241 ite_cr (ip);
2242 break;
2243
2244 case BS:
2245 if (--ip->curx < 0)
2246 ip->curx = 0;
2247 else
2248 SUBR_CURSOR(ip, MOVE_CURSOR);
2249 break;
2250
2251 case HT:
2252 for (n = ip->curx + 1; n < ip->cols; n++) {
2253 if (ip->tabs[n]) {
2254 ip->curx = n;
2255 SUBR_CURSOR(ip, MOVE_CURSOR);
2256 break;
2257 }
2258 }
2259 break;
2260
2261 case BEL:
2262 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2263 kbdbell();
2264 break;
2265
2266 case SO:
2267 ip->GL = ip->G1;
2268 break;
2269
2270 case SI:
2271 ip->GL = ip->G0;
2272 break;
2273
2274 case ENQ:
2275 /* send answer-back message !! */
2276 break;
2277
2278 case CAN:
2279 ip->escape = 0; /* cancel any escape sequence in progress */
2280 break;
2281
2282 case SUB:
2283 ip->escape = 0; /* dito, but see below */
2284 /* should also display a reverse question mark!! */
2285 break;
2286
2287 case ESC:
2288 ip->escape = ESC;
2289 break;
2290
2291
2292 /* now it gets weird.. 8bit control sequences.. */
2293 case IND: /* index: move cursor down, scroll */
2294 ite_lf (ip);
2295 break;
2296
2297 case NEL: /* next line. next line, first pos. */
2298 ite_crlf (ip);
2299 break;
2300
2301 case HTS: /* set horizontal tab */
2302 if (ip->curx < ip->cols)
2303 ip->tabs[ip->curx] = 1;
2304 break;
2305
2306 case RI: /* reverse index */
2307 ite_rlf (ip);
2308 break;
2309
2310 case SS2: /* go into G2 for one character */
2311 /* not yet supported */
2312 break;
2313
2314 case SS3: /* go into G3 for one character */
2315 break;
2316
2317 case DCS: /* device control string introducer */
2318 ip->escape = DCS;
2319 ip->ap = ip->argbuf;
2320 break;
2321
2322 case CSI: /* control sequence introducer */
2323 ip->escape = CSI;
2324 ip->ap = ip->argbuf;
2325 break;
2326
2327 case ST: /* string terminator */
2328 /* ignore, if not used as terminator */
2329 break;
2330
2331 case OSC: /* introduces OS command. Ignore everything upto ST */
2332 ip->escape = OSC;
2333 break;
2334
2335 case PM: /* privacy message, ignore everything upto ST */
2336 ip->escape = PM;
2337 break;
2338
2339 case APC: /* application program command, ignore everything upto ST */
2340 ip->escape = APC;
2341 break;
2342
2343 default:
2344 if (c < ' ' || c == DEL)
2345 break;
2346 if (ip->imode)
2347 ite_inchar(ip, 1);
2348 iteprecheckwrap(ip);
2349 #ifdef DO_WEIRD_ATTRIBUTES
2350 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2351 attrset(ip, ATTR_INV);
2352 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2353 }
2354 else
2355 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2356 #else
2357 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2358 #endif
2359 SUBR_CURSOR(ip, DRAW_CURSOR);
2360 itecheckwrap(ip);
2361 break;
2362 }
2363 }
2364
2365 static void
2366 iteprecheckwrap(ip)
2367 struct ite_softc *ip;
2368 {
2369 if (ip->auto_wrap && ip->curx == ip->cols) {
2370 ip->curx = 0;
2371 clr_attr(ip, ATTR_INV);
2372 if (++ip->cury >= ip->bottom_margin + 1) {
2373 ip->cury = ip->bottom_margin;
2374 SUBR_CURSOR(ip, MOVE_CURSOR);
2375 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2376 ite_clrtoeol(ip);
2377 } else
2378 SUBR_CURSOR(ip, MOVE_CURSOR);
2379 }
2380 }
2381
2382 static void
2383 itecheckwrap(ip)
2384 struct ite_softc *ip;
2385 {
2386 if (ip->curx < ip->cols) {
2387 ip->curx++;
2388 SUBR_CURSOR(ip, MOVE_CURSOR);
2389 }
2390 }
2391