ite.c revision 1.35.4.1 1 /* $NetBSD: ite.c,v 1.35.4.1 2002/05/19 07:41:35 gehenna 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 dev_type_open(iteopen);
159 dev_type_close(iteclose);
160 dev_type_read(iteread);
161 dev_type_write(itewrite);
162 dev_type_ioctl(iteioctl);
163 dev_type_tty(itetty);
164 dev_type_poll(itepoll);
165
166 const struct cdevsw ite_cdevsw = {
167 iteopen, iteclose, iteread, itewrite, iteioctl,
168 nostop, itetty, itepoll, nommap, D_TTY
169 };
170
171 /*
172 * Keep track of the device number of the ite console. Only used in the
173 * itematch/iteattach functions.
174 */
175 static int cons_ite = -1;
176
177 int
178 itematch(pdp, cfp, auxp)
179 struct device *pdp;
180 struct cfdata *cfp;
181 void *auxp;
182 {
183 static int nmatches = 0;
184
185 /*
186 * Handle early console stuff. The first cf_unit number
187 * matches the console unit. All other early matches will fail.
188 */
189 if (atari_realconfig == 0) {
190 if (cons_ite >= 0)
191 return 0;
192 cons_ite = cfp->cf_unit;
193 return 1;
194 }
195
196 /*
197 * all that our mask allows (more than enough no one
198 * has > 32 monitors for text consoles on one machine)
199 */
200 if (nmatches >= sizeof(ite_confunits) * NBBY)
201 return 0; /* checks STAR */
202 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY)
203 return 0; /* refuses ite100 at .... */
204 nmatches++;
205 return 1;
206 }
207
208 void
209 iteattach(pdp, dp, auxp)
210 struct device *pdp, *dp;
211 void *auxp;
212 {
213 struct grf_softc *gp;
214 struct ite_softc *ip;
215 int s;
216 int maj, unit;
217
218 gp = (struct grf_softc *)auxp;
219 ip = (struct ite_softc *)dp;
220
221 maj = cdevsw_lookup_major(&ite_cdevsw);
222 unit = (dp != NULL) ? ip->device.dv_unit : cons_ite;
223 gp->g_itedev = makedev(maj, unit);
224
225 if(dp) {
226
227 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
228
229 s = spltty();
230 if(con_itesoftc.grf != NULL
231 && con_itesoftc.grf->g_unit == gp->g_unit) {
232 /*
233 * console reinit copy params over.
234 * and console always gets keyboard
235 */
236 bcopy(&con_itesoftc.grf, &ip->grf,
237 (char *)&ip[1] - (char *)&ip->grf);
238 con_itesoftc.grf = NULL;
239 kbd_ite = ip;
240 }
241 ip->grf = gp;
242 splx(s);
243
244 iteinit(gp->g_itedev);
245 printf(": %dx%d", ip->rows, ip->cols);
246 printf(" repeat at (%d/100)s next at (%d/100)s",
247 start_repeat_timeo, next_repeat_timeo);
248
249 if (kbd_ite == NULL)
250 kbd_ite = ip;
251 if (kbd_ite == ip)
252 printf(" has keyboard");
253 printf("\n");
254 } else {
255 if (con_itesoftc.grf != NULL &&
256 con_itesoftc.grf->g_conpri > gp->g_conpri)
257 return;
258 con_itesoftc.grf = gp;
259 con_itesoftc.tabs = cons_tabs;
260 }
261 }
262
263 static struct ite_softc *
264 getitesp(dev)
265 dev_t dev;
266 {
267 if(atari_realconfig && (con_itesoftc.grf == NULL))
268 return(ite_cd.cd_devs[ITEUNIT(dev)]);
269
270 if(con_itesoftc.grf == NULL)
271 panic("no ite_softc for console");
272 return(&con_itesoftc);
273 }
274
275 /*
276 * cons.c entry points into ite device.
277 */
278
279 /*
280 * Return a priority in consdev->cn_pri field highest wins. This function
281 * is called before any devices have been probed.
282 */
283 void
284 itecnprobe(cd)
285 struct consdev *cd;
286 {
287 /*
288 * return priority of the best ite (already picked from attach)
289 * or CN_DEAD.
290 */
291 if (con_itesoftc.grf == NULL)
292 cd->cn_pri = CN_DEAD;
293 else {
294 cd->cn_pri = con_itesoftc.grf->g_conpri;
295 cd->cn_dev = con_itesoftc.grf->g_itedev;
296 }
297 }
298
299 void
300 itecninit(cd)
301 struct consdev *cd;
302 {
303 struct ite_softc *ip;
304
305 ip = getitesp(cd->cn_dev);
306 ip->flags |= ITE_ISCONS;
307 iteinit(cd->cn_dev);
308 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
309 }
310
311 /*
312 * ite_cnfinish() is called in ite_init() when the device is
313 * being probed in the normal fasion, thus we can finish setting
314 * up this ite now that the system is more functional.
315 */
316 void
317 ite_cnfinish(ip)
318 struct ite_softc *ip;
319 {
320 static int done;
321
322 if (done)
323 return;
324 done = 1;
325 }
326
327 int
328 itecngetc(dev)
329 dev_t dev;
330 {
331 int c;
332
333 do {
334 c = kbdgetcn();
335 c = ite_cnfilter(c, ITEFILT_CONSOLE);
336 } while (c == -1);
337 return (c);
338 }
339
340 void
341 itecnputc(dev, c)
342 dev_t dev;
343 int c;
344 {
345 static int paniced;
346 struct ite_softc *ip;
347 char ch;
348
349 ip = getitesp(dev);
350 ch = c;
351
352 if (panicstr && !paniced &&
353 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
354 (void)ite_on(dev, 3);
355 paniced = 1;
356 }
357 SUBR_CURSOR(ip, START_CURSOROPT);
358 iteputchar(ch, ip);
359 SUBR_CURSOR(ip, END_CURSOROPT);
360 }
361
362 /*
363 * standard entry points to the device.
364 */
365
366 /*
367 * iteinit() is the standard entry point for initialization of
368 * an ite device, it is also called from itecninit().
369 *
370 */
371 void
372 iteinit(dev)
373 dev_t dev;
374 {
375 struct ite_softc *ip;
376
377 ip = getitesp(dev);
378 if (ip->flags & ITE_INITED)
379 return;
380 if (atari_realconfig) {
381 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap)
382 free(ip->kbdmap, M_DEVBUF);
383 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK);
384 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap));
385 }
386 else ip->kbdmap = &ascii_kbdmap;
387
388 ip->cursorx = 0;
389 ip->cursory = 0;
390 SUBR_INIT(ip);
391 SUBR_CURSOR(ip, DRAW_CURSOR);
392 if (ip->tabs == NULL)
393 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
394 ite_reset(ip);
395 ip->flags |= ITE_INITED;
396 }
397
398 int
399 iteopen(dev, mode, devtype, p)
400 dev_t dev;
401 int mode, devtype;
402 struct proc *p;
403 {
404 struct ite_softc *ip;
405 struct tty *tp;
406 int error, first, unit;
407
408 unit = ITEUNIT(dev);
409 first = 0;
410
411 if (((1 << unit) & ite_confunits) == 0)
412 return (ENXIO);
413
414 ip = getitesp(dev);
415
416 if (ip->tp == NULL) {
417 tp = ip->tp = ttymalloc();
418 tty_attach(tp);
419 }
420 else tp = ip->tp;
421
422 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
423 && p->p_ucred->cr_uid != 0)
424 return (EBUSY);
425 if ((ip->flags & ITE_ACTIVE) == 0) {
426 error = ite_on(dev, 0);
427 if (error)
428 return (error);
429 first = 1;
430 }
431 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) {
432 tp->t_oproc = itestart;
433 tp->t_param = ite_param;
434 tp->t_dev = dev;
435 tp->t_iflag = TTYDEF_IFLAG;
436 tp->t_oflag = TTYDEF_OFLAG;
437 tp->t_cflag = TTYDEF_CFLAG;
438 tp->t_lflag = TTYDEF_LFLAG;
439 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
440 tp->t_state = TS_CARR_ON;
441 ttychars(tp);
442 ttsetwater(tp);
443 }
444
445
446 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0);
447 if (error)
448 goto bad;
449
450 error = (*tp->t_linesw->l_open) (dev, tp);
451 if (error)
452 goto bad;
453
454 tp->t_winsize.ws_row = ip->rows;
455 tp->t_winsize.ws_col = ip->cols;
456 if (!kbd_init) {
457 kbd_init = 1;
458 kbdenable();
459 }
460 return (0);
461
462
463 bad:
464 if (first)
465 ite_off(dev, 0);
466
467 return (error);
468 }
469
470 int
471 iteclose(dev, flag, mode, p)
472 dev_t dev;
473 int flag, mode;
474 struct proc *p;
475 {
476 struct tty *tp;
477
478 tp = getitesp(dev)->tp;
479
480 KDASSERT(tp);
481 (*tp->t_linesw->l_close) (tp, flag);
482 ttyclose(tp);
483 ite_off(dev, 0);
484 return (0);
485 }
486
487 int
488 iteread(dev, uio, flag)
489 dev_t dev;
490 struct uio *uio;
491 int flag;
492 {
493 struct tty *tp;
494
495 tp = getitesp(dev)->tp;
496
497 KDASSERT(tp);
498 return ((*tp->t_linesw->l_read) (tp, uio, flag));
499 }
500
501 int
502 itewrite(dev, uio, flag)
503 dev_t dev;
504 struct uio *uio;
505 int flag;
506 {
507 struct tty *tp;
508
509 tp = getitesp(dev)->tp;
510
511 KDASSERT(tp);
512 return ((*tp->t_linesw->l_write) (tp, uio, flag));
513 }
514
515 int
516 itepoll(dev, events, p)
517 dev_t dev;
518 int events;
519 struct proc *p;
520 {
521 struct tty *tp;
522
523 tp = getitesp(dev)->tp;
524
525 KDASSERT(tp);
526 return ((*tp->t_linesw->l_poll)(tp, events, p));
527 }
528
529 struct tty *
530 itetty(dev)
531 dev_t dev;
532 {
533 return(getitesp(dev)->tp);
534 }
535
536 int
537 iteioctl(dev, cmd, addr, flag, p)
538 dev_t dev;
539 u_long cmd;
540 int flag;
541 caddr_t addr;
542 struct proc *p;
543 {
544 struct iterepeat *irp;
545 struct ite_softc *ip;
546 struct tty *tp;
547 view_t *view;
548 struct itewinsize *is;
549 struct itebell *ib;
550 int error;
551
552 ip = getitesp(dev);
553 tp = ip->tp;
554 view = viewview(ip->grf->g_viewdev);
555
556 KDASSERT(tp);
557
558 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, p);
559 if(error != EPASSTHROUGH)
560 return (error);
561
562 error = ttioctl(tp, cmd, addr, flag, p);
563 if (error != EPASSTHROUGH)
564 return (error);
565
566 switch (cmd) {
567 case ITEIOCSKMAP:
568 if (addr == NULL)
569 return(EFAULT);
570 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap));
571 return 0;
572 case ITEIOCSSKMAP:
573 if (addr == NULL)
574 return(EFAULT);
575 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap));
576 return 0;
577 case ITEIOCGKMAP:
578 if (addr == NULL)
579 return(EFAULT);
580 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap));
581 return 0;
582 case ITEIOCGREPT:
583 if (addr == NULL)
584 return(EFAULT);
585 irp = (struct iterepeat *)addr;
586 irp->start = start_repeat_timeo;
587 irp->next = next_repeat_timeo;
588 return 0;
589 case ITEIOCSREPT:
590 if (addr == NULL)
591 return(EFAULT);
592 irp = (struct iterepeat *)addr;
593 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT)
594 return(EINVAL);
595 start_repeat_timeo = irp->start;
596 next_repeat_timeo = irp->next;
597 return 0;
598 case ITEIOCGWINSZ:
599 if (addr == NULL)
600 return(EFAULT);
601 is = (struct itewinsize *)addr;
602 is->x = view->display.x;
603 is->y = view->display.y;
604 is->width = view->display.width;
605 is->height = view->display.height;
606 is->depth = view->bitmap->depth;
607 return 0;
608 case ITEIOCDSPWIN:
609 ip->grf->g_mode(ip->grf, GM_GRFON, NULL, 0, 0);
610 return 0;
611 case ITEIOCREMWIN:
612 ip->grf->g_mode(ip->grf, GM_GRFOFF, NULL, 0, 0);
613 return 0;
614 case ITEIOCSBELL:
615 if (addr == NULL)
616 return(EFAULT);
617 ib = (struct itebell *)addr;
618 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec);
619 return 0;
620 case ITEIOCGBELL:
621 if (addr == NULL)
622 return(EFAULT);
623 ib = (struct itebell *)addr;
624 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec);
625 return 0;
626 }
627 return (ip->itexx_ioctl)(ip, cmd, addr, flag, p);
628 }
629
630 void
631 itestart(tp)
632 struct tty *tp;
633 {
634 struct clist *rbp;
635 struct ite_softc *ip;
636 u_char buf[ITEBURST];
637 int s, len;
638
639 ip = getitesp(tp->t_dev);
640
641 KDASSERT(tp);
642
643 s = spltty(); {
644 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
645 goto out;
646
647 tp->t_state |= TS_BUSY;
648 rbp = &tp->t_outq;
649
650 len = q_to_b(rbp, buf, ITEBURST);
651 } splx(s);
652
653 /* Here is a really good place to implement pre/jumpscroll() */
654 ite_putstr((char *)buf, len, tp->t_dev);
655
656 s = spltty(); {
657 tp->t_state &= ~TS_BUSY;
658 /* we have characters remaining. */
659 if (rbp->c_cc) {
660 tp->t_state |= TS_TIMEOUT;
661 callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp);
662 }
663 /* wakeup we are below */
664 if (rbp->c_cc <= tp->t_lowat) {
665 if (tp->t_state & TS_ASLEEP) {
666 tp->t_state &= ~TS_ASLEEP;
667 wakeup((caddr_t) rbp);
668 }
669 selwakeup(&tp->t_wsel);
670 }
671 out: ;
672 } splx(s);
673 }
674
675 int
676 ite_on(dev, flag)
677 dev_t dev;
678 int flag;
679 {
680 struct ite_softc *ip;
681 int unit;
682
683 unit = ITEUNIT(dev);
684 if (((1 << unit) & ite_confunits) == 0)
685 return (ENXIO);
686
687 ip = getitesp(dev);
688
689 /* force ite active, overriding graphics mode */
690 if (flag & 1) {
691 ip->flags |= ITE_ACTIVE;
692 ip->flags &= ~(ITE_INGRF | ITE_INITED);
693 }
694 /* leave graphics mode */
695 if (flag & 2) {
696 ip->flags &= ~ITE_INGRF;
697 if ((ip->flags & ITE_ACTIVE) == 0)
698 return (0);
699 }
700 ip->flags |= ITE_ACTIVE;
701 if (ip->flags & ITE_INGRF)
702 return (0);
703 iteinit(dev);
704 return (0);
705 }
706
707 void
708 ite_off(dev, flag)
709 dev_t dev;
710 int flag;
711 {
712 struct ite_softc *ip;
713
714 ip = getitesp(dev);
715 if (flag & 2)
716 ip->flags |= ITE_INGRF;
717 if ((ip->flags & ITE_ACTIVE) == 0)
718 return;
719 if ((flag & 1) ||
720 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
721 SUBR_DEINIT(ip);
722 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
723 ip->flags &= ~ITE_ACTIVE;
724 }
725
726 static void
727 ite_switch(unit)
728 int unit;
729 {
730 struct ite_softc *ip;
731 extern const struct cdevsw view_cdevsw;
732
733 if(!(ite_confunits & (1 << unit)))
734 return; /* Don't try unconfigured units */
735 ip = getitesp(unit);
736 if(!(ip->flags & ITE_INITED))
737 return;
738
739 /*
740 * If switching to an active ite, also switch the keyboard.
741 */
742 if(ip->flags & ITE_ACTIVE)
743 kbd_ite = ip;
744
745 /*
746 * Now make it visible
747 */
748 (*view_cdevsw.d_ioctl)(ip->grf->g_viewdev, VIOCDISPLAY, NULL,
749 0, NOPROC);
750
751 /*
752 * Make sure the cursor's there too....
753 */
754 SUBR_CURSOR(ip, DRAW_CURSOR);
755 }
756
757 /* XXX called after changes made in underlying grf layer. */
758 /* I want to nuke this */
759 void
760 ite_reinit(dev)
761 dev_t dev;
762 {
763 struct ite_softc *ip;
764
765 ip = getitesp(dev);
766 ip->flags &= ~ITE_INITED;
767 iteinit(dev);
768 }
769
770 int
771 ite_param(tp, t)
772 struct tty *tp;
773 struct termios *t;
774 {
775 tp->t_ispeed = t->c_ispeed;
776 tp->t_ospeed = t->c_ospeed;
777 tp->t_cflag = t->c_cflag;
778 return (0);
779 }
780
781 void
782 ite_reset(ip)
783 struct ite_softc *ip;
784 {
785 int i;
786
787 ip->curx = 0;
788 ip->cury = 0;
789 ip->attribute = ATTR_NOR;
790 ip->save_curx = 0;
791 ip->save_cury = 0;
792 ip->save_attribute = ATTR_NOR;
793 ip->ap = ip->argbuf;
794 ip->emul_level = 0;
795 ip->eightbit_C1 = 0;
796 ip->top_margin = 0;
797 ip->bottom_margin = ip->rows - 1;
798 ip->inside_margins = 0;
799 ip->linefeed_newline = 0;
800 ip->auto_wrap = ite_default_wrap;
801 ip->cursor_appmode = 0;
802 ip->keypad_appmode = 0;
803 ip->imode = 0;
804 ip->key_repeat = 1;
805 bzero(ip->tabs, ip->cols);
806 for (i = 0; i < ip->cols; i++)
807 ip->tabs[i] = ((i & 7) == 0);
808 }
809
810 /*
811 * has to be global because of the shared filters.
812 */
813 static u_char last_dead;
814
815 /*
816 * Used in console at startup only and for DDB.
817 */
818 int
819 ite_cnfilter(c, caller)
820 u_int c;
821 enum caller caller;
822 {
823 struct key key;
824 struct kbdmap *kbdmap;
825 u_char code, up, mask;
826 int s;
827
828 up = KBD_RELEASED(c);
829 c = KBD_SCANCODE(c);
830 code = 0;
831 mask = 0;
832 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap;
833
834 s = spltty();
835
836 /*
837 * No special action if key released
838 */
839 if(up) {
840 splx(s);
841 return -1;
842 }
843
844 /* translate modifiers */
845 if(kbd_modifier & KBD_MOD_SHIFT) {
846 if(kbd_modifier & KBD_MOD_ALT)
847 key = kbdmap->alt_shift_keys[c];
848 else key = kbdmap->shift_keys[c];
849 }
850 else if(kbd_modifier & KBD_MOD_ALT)
851 key = kbdmap->alt_keys[c];
852 else {
853 key = kbdmap->keys[c];
854 /*
855 * If CAPS and key is CAPable (no pun intended)
856 */
857 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
858 key = kbdmap->shift_keys[c];
859 }
860 code = key.code;
861
862 #ifdef notyet /* LWP: Didn't have time to look at this yet */
863 /*
864 * If string return simple console filter
865 */
866 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
867 splx(s);
868 return -1;
869 }
870 /* handle dead keys */
871 if(key->mode & KBD_MODE_DEAD) {
872 /* if entered twice, send accent itself */
873 if (last_dead == key->mode & KBD_MODE_ACCMASK)
874 last_dead = 0;
875 else {
876 last_dead = key->mode & KBD_MODE_ACCMASK;
877 splx(s);
878 return -1;
879 }
880 }
881 if(last_dead) {
882 /* can't apply dead flag to string-keys */
883 if (code >= '@' && code < 0x7f)
884 code =
885 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
886 last_dead = 0;
887 }
888 #endif
889 if(kbd_modifier & KBD_MOD_CTRL)
890 code &= 0x1f;
891
892 /*
893 * Do console mapping.
894 */
895 code = code == '\r' ? '\n' : code;
896
897 splx(s);
898 return (code);
899 }
900
901 /* And now the old stuff. */
902
903 /* these are used to implement repeating keys.. */
904 static u_int last_char;
905 static u_char tout_pending;
906
907 static struct callout repeat_ch = CALLOUT_INITIALIZER;
908
909 /*ARGSUSED*/
910 static void
911 repeat_handler(arg)
912 void *arg;
913 {
914 tout_pending = 0;
915 if(last_char)
916 add_sicallback((si_farg)ite_filter, (void *)last_char,
917 (void *)ITEFILT_REPEATER);
918 }
919
920 void
921 ite_filter(c, caller)
922 u_int c;
923 enum caller caller;
924 {
925 struct tty *kbd_tty;
926 struct kbdmap *kbdmap;
927 u_char code, *str, up, mask;
928 struct key key;
929 int s, i;
930
931 if(kbd_ite == NULL)
932 return;
933
934 kbd_tty = kbd_ite->tp;
935 kbdmap = kbd_ite->kbdmap;
936
937 up = KBD_RELEASED(c);
938 c = KBD_SCANCODE(c);
939 code = 0;
940 mask = 0;
941
942 /* have to make sure we're at spltty in here */
943 s = spltty();
944
945 /*
946 * keyboard interrupts come at priority 2, while softint
947 * generated keyboard-repeat interrupts come at level 1. So,
948 * to not allow a key-up event to get thru before a repeat for
949 * the key-down, we remove any outstanding callout requests..
950 */
951 rem_sicallback((si_farg)ite_filter);
952
953 /*
954 * Stop repeating on up event
955 */
956 if (up) {
957 if(tout_pending) {
958 callout_stop(&repeat_ch);
959 tout_pending = 0;
960 last_char = 0;
961 }
962 splx(s);
963 return;
964 }
965 else if(tout_pending && last_char != c) {
966 /*
967 * Different character, stop also
968 */
969 callout_stop(&repeat_ch);
970 tout_pending = 0;
971 last_char = 0;
972 }
973
974 /*
975 * Handle ite-switching ALT + Fx
976 */
977 if((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
978 ite_switch(c - 0x3b);
979 splx(s);
980 return;
981 }
982 /*
983 * Safety button, switch back to ascii keymap.
984 */
985 if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
986 /* ALT + LSHIFT + F1 */
987 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap));
988 splx(s);
989 return;
990 #ifdef DDB
991 }
992 else if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) {
993 /*
994 * ALT + LSHIFT + F9 -> Debugger!
995 */
996 Debugger();
997 splx(s);
998 return;
999 #endif
1000 }
1001
1002 /*
1003 * The rest of the code is senseless when the device is not open.
1004 */
1005 if(kbd_tty == NULL) {
1006 splx(s);
1007 return;
1008 }
1009
1010 /*
1011 * Translate modifiers
1012 */
1013 if(kbd_modifier & KBD_MOD_SHIFT) {
1014 if(kbd_modifier & KBD_MOD_ALT)
1015 key = kbdmap->alt_shift_keys[c];
1016 else key = kbdmap->shift_keys[c];
1017 }
1018 else if(kbd_modifier & KBD_MOD_ALT)
1019 key = kbdmap->alt_keys[c];
1020 else {
1021 key = kbdmap->keys[c];
1022 /*
1023 * If CAPS and key is CAPable (no pun intended)
1024 */
1025 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
1026 key = kbdmap->shift_keys[c];
1027 }
1028 code = key.code;
1029
1030 /*
1031 * Arrange to repeat the keystroke. By doing this at the level
1032 * of scan-codes, we can have function keys, and keys that
1033 * send strings, repeat too. This also entitles an additional
1034 * overhead, since we have to do the conversion each time, but
1035 * I guess that's ok.
1036 */
1037 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
1038 tout_pending = 1;
1039 last_char = c;
1040 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100,
1041 repeat_handler, NULL);
1042 }
1043 else if(!tout_pending && caller==ITEFILT_REPEATER
1044 && kbd_ite->key_repeat) {
1045 tout_pending = 1;
1046 last_char = c;
1047 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100,
1048 repeat_handler, NULL);
1049 }
1050 /* handle dead keys */
1051 if (key.mode & KBD_MODE_DEAD) {
1052 /* if entered twice, send accent itself */
1053 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
1054 last_dead = 0;
1055 else {
1056 last_dead = key.mode & KBD_MODE_ACCMASK;
1057 splx(s);
1058 return;
1059 }
1060 }
1061 if (last_dead) {
1062 /* can't apply dead flag to string-keys */
1063 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
1064 code < 0x7f)
1065 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
1066 last_dead = 0;
1067 }
1068
1069 /*
1070 * If not string, apply CTRL modifiers
1071 */
1072 if(!(key.mode & KBD_MODE_STRING)
1073 && (!(key.mode & KBD_MODE_KPAD)
1074 || (kbd_ite && !kbd_ite->keypad_appmode))) {
1075 if(kbd_modifier & KBD_MOD_CTRL)
1076 code &= 0x1f;
1077 }
1078 else if((key.mode & KBD_MODE_KPAD)
1079 && (kbd_ite && kbd_ite->keypad_appmode)) {
1080 static char *in = "0123456789-+.\r()/*";
1081 static char *out = "pqrstuvwxymlnMPQRS";
1082 char *cp = index(in, code);
1083
1084 /*
1085 * keypad-appmode sends SS3 followed by the above
1086 * translated character
1087 */
1088 kbd_tty->t_linesw->l_rint(27, kbd_tty);
1089 kbd_tty->t_linesw->l_rint('O', kbd_tty);
1090 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
1091 splx(s);
1092 return;
1093 } else {
1094 /* *NO* I don't like this.... */
1095 static u_char app_cursor[] =
1096 {
1097 3, 27, 'O', 'A',
1098 3, 27, 'O', 'B',
1099 3, 27, 'O', 'C',
1100 3, 27, 'O', 'D'};
1101
1102 str = kbdmap->strings + code;
1103 /*
1104 * if this is a cursor key, AND it has the default
1105 * keymap setting, AND we're in app-cursor mode, switch
1106 * to the above table. This is *nasty* !
1107 */
1108 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50))
1109 && kbd_ite->cursor_appmode
1110 && !bcmp(str, "\x03\x1b[", 3) &&
1111 index("ABCD", str[3]))
1112 str = app_cursor + 4 * (str[3] - 'A');
1113
1114 /*
1115 * using a length-byte instead of 0-termination allows
1116 * to embed \0 into strings, although this is not used
1117 * in the default keymap
1118 */
1119 for (i = *str++; i; i--)
1120 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1121 splx(s);
1122 return;
1123 }
1124 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1125
1126 splx(s);
1127 return;
1128 }
1129
1130 /* helper functions, makes the code below more readable */
1131 static __inline__ void
1132 ite_sendstr(str)
1133 char *str;
1134 {
1135 struct tty *kbd_tty;
1136
1137 kbd_tty = kbd_ite->tp;
1138 KDASSERT(kbd_tty);
1139 while (*str)
1140 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1141 }
1142
1143 static void
1144 alignment_display(ip)
1145 struct ite_softc *ip;
1146 {
1147 int i, j;
1148
1149 for (j = 0; j < ip->rows; j++)
1150 for (i = 0; i < ip->cols; i++)
1151 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1152 attrclr(ip, 0, 0, ip->rows, ip->cols);
1153 SUBR_CURSOR(ip, DRAW_CURSOR);
1154 }
1155
1156 static __inline__ void
1157 snap_cury(ip)
1158 struct ite_softc *ip;
1159 {
1160 if (ip->inside_margins)
1161 {
1162 if (ip->cury < ip->top_margin)
1163 ip->cury = ip->top_margin;
1164 if (ip->cury > ip->bottom_margin)
1165 ip->cury = ip->bottom_margin;
1166 }
1167 }
1168
1169 static __inline__ void
1170 ite_dnchar(ip, n)
1171 struct ite_softc *ip;
1172 int n;
1173 {
1174 n = min(n, ip->cols - ip->curx);
1175 if (n < ip->cols - ip->curx)
1176 {
1177 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1178 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1179 1, ip->cols - ip->curx - n);
1180 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1181 }
1182 while (n-- > 0)
1183 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1184 SUBR_CURSOR(ip, DRAW_CURSOR);
1185 }
1186
1187 static __inline__ void
1188 ite_inchar(ip, n)
1189 struct ite_softc *ip;
1190 int n;
1191 {
1192 n = min(n, ip->cols - ip->curx);
1193 if (n < ip->cols - ip->curx)
1194 {
1195 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1196 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1197 1, ip->cols - ip->curx - n);
1198 attrclr(ip, ip->cury, ip->curx, 1, n);
1199 }
1200 while (n--)
1201 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1202 SUBR_CURSOR(ip, DRAW_CURSOR);
1203 }
1204
1205 static __inline__ void
1206 ite_clrtoeol(ip)
1207 struct ite_softc *ip;
1208 {
1209 int y = ip->cury, x = ip->curx;
1210 if (ip->cols - x > 0)
1211 {
1212 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1213 attrclr(ip, y, x, 1, ip->cols - x);
1214 SUBR_CURSOR(ip, DRAW_CURSOR);
1215 }
1216 }
1217
1218 static __inline__ void
1219 ite_clrtobol(ip)
1220 struct ite_softc *ip;
1221 {
1222 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1223 SUBR_CLEAR(ip, y, 0, 1, x);
1224 attrclr(ip, y, 0, 1, x);
1225 SUBR_CURSOR(ip, DRAW_CURSOR);
1226 }
1227
1228 static __inline__ void
1229 ite_clrline(ip)
1230 struct ite_softc *ip;
1231 {
1232 int y = ip->cury;
1233 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1234 attrclr(ip, y, 0, 1, ip->cols);
1235 SUBR_CURSOR(ip, DRAW_CURSOR);
1236 }
1237
1238
1239
1240 static __inline__ void
1241 ite_clrtoeos(ip)
1242 struct ite_softc *ip;
1243 {
1244 ite_clrtoeol(ip);
1245 if (ip->cury < ip->rows - 1)
1246 {
1247 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1248 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1249 SUBR_CURSOR(ip, DRAW_CURSOR);
1250 }
1251 }
1252
1253 static __inline__ void
1254 ite_clrtobos(ip)
1255 struct ite_softc *ip;
1256 {
1257 ite_clrtobol(ip);
1258 if (ip->cury > 0)
1259 {
1260 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1261 attrclr(ip, 0, 0, ip->cury, ip->cols);
1262 SUBR_CURSOR(ip, DRAW_CURSOR);
1263 }
1264 }
1265
1266 static __inline__ void
1267 ite_clrscreen(ip)
1268 struct ite_softc *ip;
1269 {
1270 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1271 attrclr(ip, 0, 0, ip->rows, ip->cols);
1272 SUBR_CURSOR(ip, DRAW_CURSOR);
1273 }
1274
1275
1276
1277 static __inline__ void
1278 ite_dnline(ip, n)
1279 struct ite_softc *ip;
1280 int n;
1281 {
1282 /* interesting.. if the cursor is outside the scrolling
1283 region, this command is simply ignored.. */
1284 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1285 return;
1286
1287 n = min(n, ip->bottom_margin + 1 - ip->cury);
1288 if (n <= ip->bottom_margin - ip->cury)
1289 {
1290 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1291 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1292 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1293 }
1294 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1295 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1296 SUBR_CURSOR(ip, DRAW_CURSOR);
1297 }
1298
1299 static __inline__ void
1300 ite_inline(ip, n)
1301 struct ite_softc *ip;
1302 int n;
1303 {
1304 /* interesting.. if the cursor is outside the scrolling
1305 region, this command is simply ignored.. */
1306 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1307 return;
1308
1309 n = min(n, ip->bottom_margin + 1 - ip->cury);
1310 if (n <= ip->bottom_margin - ip->cury)
1311 {
1312 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1313 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1314 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1315 }
1316 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1317 attrclr(ip, ip->cury, 0, n, ip->cols);
1318 SUBR_CURSOR(ip, DRAW_CURSOR);
1319 }
1320
1321 static __inline__ void
1322 ite_lf (ip)
1323 struct ite_softc *ip;
1324 {
1325 ++ip->cury;
1326 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1327 {
1328 ip->cury--;
1329 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1330 ite_clrline(ip);
1331 }
1332 SUBR_CURSOR(ip, MOVE_CURSOR);
1333 clr_attr(ip, ATTR_INV);
1334 }
1335
1336 static __inline__ void
1337 ite_crlf (ip)
1338 struct ite_softc *ip;
1339 {
1340 ip->curx = 0;
1341 ite_lf (ip);
1342 }
1343
1344 static __inline__ void
1345 ite_cr (ip)
1346 struct ite_softc *ip;
1347 {
1348 if (ip->curx)
1349 {
1350 ip->curx = 0;
1351 SUBR_CURSOR(ip, MOVE_CURSOR);
1352 }
1353 }
1354
1355 static __inline__ void
1356 ite_rlf (ip)
1357 struct ite_softc *ip;
1358 {
1359 ip->cury--;
1360 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1361 {
1362 ip->cury++;
1363 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1364 ite_clrline(ip);
1365 }
1366 SUBR_CURSOR(ip, MOVE_CURSOR);
1367 clr_attr(ip, ATTR_INV);
1368 }
1369
1370 static __inline__ int
1371 atoi (cp)
1372 const char *cp;
1373 {
1374 int n;
1375
1376 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1377 n = n * 10 + *cp - '0';
1378
1379 return n;
1380 }
1381
1382 static char *
1383 index (cp, ch)
1384 const char *cp;
1385 int ch;
1386 {
1387 while (*cp && *cp != ch) cp++;
1388 return *cp ? (char *) cp : 0;
1389 }
1390
1391
1392 static __inline__ int
1393 ite_argnum (ip)
1394 struct ite_softc *ip;
1395 {
1396 char ch;
1397 int n;
1398
1399 /* convert argument string into number */
1400 if (ip->ap == ip->argbuf)
1401 return 1;
1402 ch = *ip->ap;
1403 *ip->ap = 0;
1404 n = atoi (ip->argbuf);
1405 *ip->ap = ch;
1406
1407 return n;
1408 }
1409
1410 static __inline__ int
1411 ite_zargnum (ip)
1412 struct ite_softc *ip;
1413 {
1414 char ch;
1415 int n;
1416
1417 /* convert argument string into number */
1418 if (ip->ap == ip->argbuf)
1419 return 0;
1420 ch = *ip->ap;
1421 *ip->ap = 0;
1422 n = atoi (ip->argbuf);
1423 *ip->ap = ch;
1424
1425 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1426 }
1427
1428 void
1429 ite_putstr(s, len, dev)
1430 const u_char *s;
1431 int len;
1432 dev_t dev;
1433 {
1434 struct ite_softc *ip;
1435 int i;
1436
1437 ip = getitesp(dev);
1438
1439 /* XXX avoid problems */
1440 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1441 return;
1442
1443 SUBR_CURSOR(ip, START_CURSOROPT);
1444 for (i = 0; i < len; i++)
1445 if (s[i])
1446 iteputchar(s[i], ip);
1447 SUBR_CURSOR(ip, END_CURSOROPT);
1448 }
1449
1450
1451 void
1452 iteputchar(c, ip)
1453 register int c;
1454 struct ite_softc *ip;
1455 {
1456 struct tty *kbd_tty;
1457 int n, x, y;
1458 char *cp;
1459
1460 if (kbd_ite == NULL)
1461 kbd_tty = NULL;
1462 else
1463 kbd_tty = kbd_ite->tp;
1464
1465 if (ip->escape)
1466 {
1467 switch (ip->escape)
1468 {
1469 case ESC:
1470 switch (c)
1471 {
1472 /* first 7bit equivalents for the 8bit control characters */
1473
1474 case 'D':
1475 c = IND;
1476 ip->escape = 0;
1477 break; /* and fall into the next switch below (same for all `break') */
1478
1479 case 'E':
1480 c = NEL;
1481 ip->escape = 0;
1482 break;
1483
1484 case 'H':
1485 c = HTS;
1486 ip->escape = 0;
1487 break;
1488
1489 case 'M':
1490 c = RI;
1491 ip->escape = 0;
1492 break;
1493
1494 case 'N':
1495 c = SS2;
1496 ip->escape = 0;
1497 break;
1498
1499 case 'O':
1500 c = SS3;
1501 ip->escape = 0;
1502 break;
1503
1504 case 'P':
1505 c = DCS;
1506 ip->escape = 0;
1507 break;
1508
1509 case '[':
1510 c = CSI;
1511 ip->escape = 0;
1512 break;
1513
1514 case '\\':
1515 c = ST;
1516 ip->escape = 0;
1517 break;
1518
1519 case ']':
1520 c = OSC;
1521 ip->escape = 0;
1522 break;
1523
1524 case '^':
1525 c = PM;
1526 ip->escape = 0;
1527 break;
1528
1529 case '_':
1530 c = APC;
1531 ip->escape = 0;
1532 break;
1533
1534
1535 /* introduces 7/8bit control */
1536 case ' ':
1537 /* can be followed by either F or G */
1538 ip->escape = ' ';
1539 break;
1540
1541
1542 /* a lot of character set selections, not yet used...
1543 94-character sets: */
1544 case '(': /* G0 */
1545 case ')': /* G1 */
1546 ip->escape = c;
1547 return;
1548
1549 case '*': /* G2 */
1550 case '+': /* G3 */
1551 case 'B': /* ASCII */
1552 case 'A': /* ISO latin 1 */
1553 case '<': /* user preferred suplemental */
1554 case '0': /* dec special graphics */
1555
1556 /* 96-character sets: */
1557 case '-': /* G1 */
1558 case '.': /* G2 */
1559 case '/': /* G3 */
1560
1561 /* national character sets: */
1562 case '4': /* dutch */
1563 case '5':
1564 case 'C': /* finnish */
1565 case 'R': /* french */
1566 case 'Q': /* french canadian */
1567 case 'K': /* german */
1568 case 'Y': /* italian */
1569 case '6': /* norwegian/danish */
1570 /* note: %5 and %6 are not supported (two chars..) */
1571
1572 ip->escape = 0;
1573 /* just ignore for now */
1574 return;
1575
1576
1577 /* locking shift modes (as you might guess, not yet supported..) */
1578 case '`':
1579 ip->GR = ip->G1;
1580 ip->escape = 0;
1581 return;
1582
1583 case 'n':
1584 ip->GL = ip->G2;
1585 ip->escape = 0;
1586 return;
1587
1588 case '}':
1589 ip->GR = ip->G2;
1590 ip->escape = 0;
1591 return;
1592
1593 case 'o':
1594 ip->GL = ip->G3;
1595 ip->escape = 0;
1596 return;
1597
1598 case '|':
1599 ip->GR = ip->G3;
1600 ip->escape = 0;
1601 return;
1602
1603
1604 /* font width/height control */
1605 case '#':
1606 ip->escape = '#';
1607 return;
1608
1609
1610 /* hard terminal reset .. */
1611 case 'c':
1612 ite_reset (ip);
1613 SUBR_CURSOR(ip, MOVE_CURSOR);
1614 ip->escape = 0;
1615 return;
1616
1617
1618 case '7':
1619 ip->save_curx = ip->curx;
1620 ip->save_cury = ip->cury;
1621 ip->save_attribute = ip->attribute;
1622 ip->escape = 0;
1623 return;
1624
1625 case '8':
1626 ip->curx = ip->save_curx;
1627 ip->cury = ip->save_cury;
1628 ip->attribute = ip->save_attribute;
1629 SUBR_CURSOR(ip, MOVE_CURSOR);
1630 ip->escape = 0;
1631 return;
1632
1633 case '=':
1634 ip->keypad_appmode = 1;
1635 ip->escape = 0;
1636 return;
1637
1638 case '>':
1639 ip->keypad_appmode = 0;
1640 ip->escape = 0;
1641 return;
1642
1643 case 'Z': /* request ID */
1644 if (ip->emul_level == EMUL_VT100)
1645 ite_sendstr ("\033[?61;0c"); /* XXX not clean */
1646 else
1647 ite_sendstr ("\033[?63;0c"); /* XXX not clean */
1648 ip->escape = 0;
1649 return;
1650
1651 /* default catch all for not recognized ESC sequences */
1652 default:
1653 ip->escape = 0;
1654 return;
1655 }
1656 break;
1657
1658
1659 case '(':
1660 case ')':
1661 ip->escape = 0;
1662 return;
1663
1664
1665 case ' ':
1666 switch (c)
1667 {
1668 case 'F':
1669 ip->eightbit_C1 = 0;
1670 ip->escape = 0;
1671 return;
1672
1673 case 'G':
1674 ip->eightbit_C1 = 1;
1675 ip->escape = 0;
1676 return;
1677
1678 default:
1679 /* not supported */
1680 ip->escape = 0;
1681 return;
1682 }
1683 break;
1684
1685
1686 case '#':
1687 switch (c)
1688 {
1689 case '5':
1690 /* single height, single width */
1691 ip->escape = 0;
1692 return;
1693
1694 case '6':
1695 /* double width, single height */
1696 ip->escape = 0;
1697 return;
1698
1699 case '3':
1700 /* top half */
1701 ip->escape = 0;
1702 return;
1703
1704 case '4':
1705 /* bottom half */
1706 ip->escape = 0;
1707 return;
1708
1709 case '8':
1710 /* screen alignment pattern... */
1711 alignment_display (ip);
1712 ip->escape = 0;
1713 return;
1714
1715 default:
1716 ip->escape = 0;
1717 return;
1718 }
1719 break;
1720
1721
1722
1723 case CSI:
1724 /* the biggie... */
1725 switch (c)
1726 {
1727 case '0': case '1': case '2': case '3': case '4':
1728 case '5': case '6': case '7': case '8': case '9':
1729 case ';': case '\"': case '$': case '>':
1730 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1731 *ip->ap++ = c;
1732 return;
1733
1734 case BS:
1735 /* you wouldn't believe such perversion is possible?
1736 it is.. BS is allowed in between cursor sequences
1737 (at least), according to vttest.. */
1738 if (--ip->curx < 0)
1739 ip->curx = 0;
1740 else
1741 SUBR_CURSOR(ip, MOVE_CURSOR);
1742 break;
1743
1744 case 'p':
1745 *ip->ap = 0;
1746 if (! strncmp (ip->argbuf, "61\"", 3))
1747 ip->emul_level = EMUL_VT100;
1748 else if (! strncmp (ip->argbuf, "63;1\"", 5)
1749 || ! strncmp (ip->argbuf, "62;1\"", 5))
1750 ip->emul_level = EMUL_VT300_7;
1751 else
1752 ip->emul_level = EMUL_VT300_8;
1753 ip->escape = 0;
1754 return;
1755
1756
1757 case '?':
1758 *ip->ap = 0;
1759 ip->escape = '?';
1760 ip->ap = ip->argbuf;
1761 return;
1762
1763
1764 case 'c':
1765 *ip->ap = 0;
1766 if (ip->argbuf[0] == '>')
1767 {
1768 ite_sendstr ("\033[>24;0;0;0c");
1769 }
1770 else switch (ite_zargnum(ip))
1771 {
1772 case 0:
1773 /* primary DA request, send primary DA response */
1774 if (ip->emul_level == EMUL_VT100)
1775 ite_sendstr ("\033[?1;1c");
1776 else
1777 ite_sendstr ("\033[?63;1c");
1778 break;
1779 }
1780 ip->escape = 0;
1781 return;
1782
1783 case 'n':
1784 switch (ite_zargnum(ip))
1785 {
1786 case 5:
1787 ite_sendstr ("\033[0n"); /* no malfunction */
1788 break;
1789 case 6:
1790 /* cursor position report */
1791 sprintf (ip->argbuf, "\033[%d;%dR",
1792 ip->cury + 1, ip->curx + 1);
1793 ite_sendstr (ip->argbuf);
1794 break;
1795 }
1796 ip->escape = 0;
1797 return;
1798
1799
1800 case 'x':
1801 switch (ite_zargnum(ip))
1802 {
1803 case 0:
1804 /* Fake some terminal parameters. */
1805 ite_sendstr ("\033[2;1;1;112;112;1;0x");
1806 break;
1807 case 1:
1808 ite_sendstr ("\033[3;1;1;112;112;1;0x");
1809 break;
1810 }
1811 ip->escape = 0;
1812 return;
1813
1814
1815 case 'g':
1816 switch (ite_zargnum(ip))
1817 {
1818 case 0:
1819 if (ip->curx < ip->cols)
1820 ip->tabs[ip->curx] = 0;
1821 break;
1822 case 3:
1823 for (n = 0; n < ip->cols; n++)
1824 ip->tabs[n] = 0;
1825 break;
1826 }
1827 ip->escape = 0;
1828 return;
1829
1830
1831 case 'h': case 'l':
1832 n = ite_zargnum (ip);
1833 switch (n)
1834 {
1835 case 4:
1836 ip->imode = (c == 'h'); /* insert/replace mode */
1837 break;
1838 case 20:
1839 ip->linefeed_newline = (c == 'h');
1840 break;
1841 }
1842 ip->escape = 0;
1843 return;
1844
1845
1846 case 'M':
1847 ite_dnline (ip, ite_argnum (ip));
1848 ip->escape = 0;
1849 return;
1850
1851
1852 case 'L':
1853 ite_inline (ip, ite_argnum (ip));
1854 ip->escape = 0;
1855 return;
1856
1857
1858 case 'P':
1859 ite_dnchar (ip, ite_argnum (ip));
1860 ip->escape = 0;
1861 return;
1862
1863
1864 case '@':
1865 ite_inchar (ip, ite_argnum (ip));
1866 ip->escape = 0;
1867 return;
1868
1869
1870 case 'G':
1871 /* this one was *not* in my vt320 manual but in
1872 a vt320 termcap entry.. who is right?
1873 It's supposed to set the horizontal cursor position. */
1874 *ip->ap = 0;
1875 x = atoi (ip->argbuf);
1876 if (x) x--;
1877 ip->curx = min(x, ip->cols - 1);
1878 ip->escape = 0;
1879 SUBR_CURSOR(ip, MOVE_CURSOR);
1880 clr_attr (ip, ATTR_INV);
1881 return;
1882
1883
1884 case 'd':
1885 /* same thing here, this one's for setting the absolute
1886 vertical cursor position. Not documented... */
1887 *ip->ap = 0;
1888 y = atoi (ip->argbuf);
1889 if (y) y--;
1890 if (ip->inside_margins)
1891 y += ip->top_margin;
1892 ip->cury = min(y, ip->rows - 1);
1893 ip->escape = 0;
1894 snap_cury(ip);
1895 SUBR_CURSOR(ip, MOVE_CURSOR);
1896 clr_attr (ip, ATTR_INV);
1897 return;
1898
1899
1900 case 'H':
1901 case 'f':
1902 *ip->ap = 0;
1903 y = atoi (ip->argbuf);
1904 x = 0;
1905 cp = index (ip->argbuf, ';');
1906 if (cp)
1907 x = atoi (cp + 1);
1908 if (x) x--;
1909 if (y) y--;
1910 if (ip->inside_margins)
1911 y += ip->top_margin;
1912 ip->cury = min(y, ip->rows - 1);
1913 ip->curx = min(x, ip->cols - 1);
1914 ip->escape = 0;
1915 snap_cury(ip);
1916 SUBR_CURSOR(ip, MOVE_CURSOR);
1917 clr_attr (ip, ATTR_INV);
1918 return;
1919
1920 case 'A':
1921 n = ite_argnum (ip);
1922 n = ip->cury - (n ? n : 1);
1923 if (n < 0) n = 0;
1924 if (ip->inside_margins)
1925 n = max(ip->top_margin, n);
1926 else if (n == ip->top_margin - 1)
1927 /* allow scrolling outside region, but don't scroll out
1928 of active region without explicit CUP */
1929 n = ip->top_margin;
1930 ip->cury = n;
1931 ip->escape = 0;
1932 SUBR_CURSOR(ip, MOVE_CURSOR);
1933 clr_attr (ip, ATTR_INV);
1934 return;
1935
1936 case 'B':
1937 n = ite_argnum (ip);
1938 n = ip->cury + (n ? n : 1);
1939 n = min(ip->rows - 1, n);
1940 if (ip->inside_margins)
1941 n = min(ip->bottom_margin, n);
1942 else if (n == ip->bottom_margin + 1)
1943 /* allow scrolling outside region, but don't scroll out
1944 of active region without explicit CUP */
1945 n = ip->bottom_margin;
1946 ip->cury = n;
1947 ip->escape = 0;
1948 SUBR_CURSOR(ip, MOVE_CURSOR);
1949 clr_attr (ip, ATTR_INV);
1950 return;
1951
1952 case 'C':
1953 n = ite_argnum (ip);
1954 n = n ? n : 1;
1955 ip->curx = min(ip->curx + n, ip->cols - 1);
1956 ip->escape = 0;
1957 SUBR_CURSOR(ip, MOVE_CURSOR);
1958 clr_attr (ip, ATTR_INV);
1959 return;
1960
1961 case 'D':
1962 n = ite_argnum (ip);
1963 n = n ? n : 1;
1964 n = ip->curx - n;
1965 ip->curx = n >= 0 ? n : 0;
1966 ip->escape = 0;
1967 SUBR_CURSOR(ip, MOVE_CURSOR);
1968 clr_attr (ip, ATTR_INV);
1969 return;
1970
1971
1972
1973
1974 case 'J':
1975 *ip->ap = 0;
1976 n = ite_zargnum (ip);
1977 if (n == 0)
1978 ite_clrtoeos(ip);
1979 else if (n == 1)
1980 ite_clrtobos(ip);
1981 else if (n == 2)
1982 ite_clrscreen(ip);
1983 ip->escape = 0;
1984 return;
1985
1986
1987 case 'K':
1988 n = ite_zargnum (ip);
1989 if (n == 0)
1990 ite_clrtoeol(ip);
1991 else if (n == 1)
1992 ite_clrtobol(ip);
1993 else if (n == 2)
1994 ite_clrline(ip);
1995 ip->escape = 0;
1996 return;
1997
1998
1999 case 'X':
2000 n = ite_argnum(ip) - 1;
2001 n = min(n, ip->cols - 1 - ip->curx);
2002 for (; n >= 0; n--)
2003 {
2004 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
2005 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
2006 }
2007 ip->escape = 0;
2008 return;
2009
2010
2011 case '}': case '`':
2012 /* status line control */
2013 ip->escape = 0;
2014 return;
2015
2016
2017 case 'r':
2018 *ip->ap = 0;
2019 x = atoi (ip->argbuf);
2020 x = x ? x : 1;
2021 y = ip->rows;
2022 cp = index (ip->argbuf, ';');
2023 if (cp)
2024 {
2025 y = atoi (cp + 1);
2026 y = y ? y : ip->rows;
2027 }
2028 if (y - x < 2)
2029 {
2030 /* if illegal scrolling region, reset to defaults */
2031 x = 1;
2032 y = ip->rows;
2033 }
2034 x--;
2035 y--;
2036 ip->top_margin = min(x, ip->rows - 1);
2037 ip->bottom_margin = min(y, ip->rows - 1);
2038 if (ip->inside_margins)
2039 {
2040 ip->cury = ip->top_margin;
2041 ip->curx = 0;
2042 SUBR_CURSOR(ip, MOVE_CURSOR);
2043 }
2044 ip->escape = 0;
2045 return;
2046
2047
2048 case 'm':
2049 /* big attribute setter/resetter */
2050 {
2051 char *cp;
2052 *ip->ap = 0;
2053 /* kludge to make CSIm work (== CSI0m) */
2054 if (ip->ap == ip->argbuf)
2055 ip->ap++;
2056 for (cp = ip->argbuf; cp < ip->ap; )
2057 {
2058 switch (*cp)
2059 {
2060 case 0:
2061 case '0':
2062 clr_attr (ip, ATTR_ALL);
2063 cp++;
2064 break;
2065
2066 case '1':
2067 set_attr (ip, ATTR_BOLD);
2068 cp++;
2069 break;
2070
2071 case '2':
2072 switch (cp[1])
2073 {
2074 case '2':
2075 clr_attr (ip, ATTR_BOLD);
2076 cp += 2;
2077 break;
2078
2079 case '4':
2080 clr_attr (ip, ATTR_UL);
2081 cp += 2;
2082 break;
2083
2084 case '5':
2085 clr_attr (ip, ATTR_BLINK);
2086 cp += 2;
2087 break;
2088
2089 case '7':
2090 clr_attr (ip, ATTR_INV);
2091 cp += 2;
2092 break;
2093
2094 default:
2095 cp++;
2096 break;
2097 }
2098 break;
2099
2100 case '4':
2101 set_attr (ip, ATTR_UL);
2102 cp++;
2103 break;
2104
2105 case '5':
2106 set_attr (ip, ATTR_BLINK);
2107 cp++;
2108 break;
2109
2110 case '7':
2111 set_attr (ip, ATTR_INV);
2112 cp++;
2113 break;
2114
2115 default:
2116 cp++;
2117 break;
2118 }
2119 }
2120
2121 }
2122 ip->escape = 0;
2123 return;
2124
2125
2126 case 'u':
2127 /* DECRQTSR */
2128 ite_sendstr ("\033P\033\\");
2129 ip->escape = 0;
2130 return;
2131
2132
2133
2134 default:
2135 ip->escape = 0;
2136 return;
2137 }
2138 break;
2139
2140
2141
2142 case '?': /* CSI ? */
2143 switch (c)
2144 {
2145 case '0': case '1': case '2': case '3': case '4':
2146 case '5': case '6': case '7': case '8': case '9':
2147 case ';': case '\"': case '$':
2148 /* Don't fill the last character; it's needed. */
2149 /* XXX yeah, where ?? */
2150 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2151 *ip->ap++ = c;
2152 return;
2153
2154
2155 case 'n':
2156 *ip->ap = 0;
2157 if (ip->ap == &ip->argbuf[2])
2158 {
2159 if (! strncmp (ip->argbuf, "15", 2))
2160 /* printer status: no printer */
2161 ite_sendstr ("\033[13n");
2162
2163 else if (! strncmp (ip->argbuf, "25", 2))
2164 /* udk status */
2165 ite_sendstr ("\033[20n");
2166
2167 else if (! strncmp (ip->argbuf, "26", 2))
2168 /* keyboard dialect: US */
2169 ite_sendstr ("\033[27;1n");
2170 }
2171 ip->escape = 0;
2172 return;
2173
2174
2175 case 'h': case 'l':
2176 n = ite_zargnum (ip);
2177 switch (n)
2178 {
2179 case 1:
2180 ip->cursor_appmode = (c == 'h');
2181 break;
2182
2183 case 3:
2184 /* 132/80 columns (132 == 'h') */
2185 break;
2186
2187 case 4: /* smooth scroll */
2188 break;
2189
2190 case 5:
2191 /* light background (=='h') /dark background(=='l') */
2192 break;
2193
2194 case 6: /* origin mode */
2195 ip->inside_margins = (c == 'h');
2196 ip->curx = 0;
2197 ip->cury = ip->inside_margins ? ip->top_margin : 0;
2198 SUBR_CURSOR(ip, MOVE_CURSOR);
2199 break;
2200
2201 case 7: /* auto wraparound */
2202 ip->auto_wrap = (c == 'h');
2203 break;
2204
2205 case 8: /* keyboard repeat */
2206 ip->key_repeat = (c == 'h');
2207 break;
2208
2209 case 20: /* newline mode */
2210 ip->linefeed_newline = (c == 'h');
2211 break;
2212
2213 case 25: /* cursor on/off */
2214 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2215 break;
2216 }
2217 ip->escape = 0;
2218 return;
2219
2220 default:
2221 ip->escape = 0;
2222 return;
2223 }
2224 break;
2225
2226
2227 default:
2228 ip->escape = 0;
2229 return;
2230 }
2231 }
2232
2233 switch (c) {
2234
2235 case VT: /* VT is treated like LF */
2236 case FF: /* so is FF */
2237 case LF:
2238 /* cr->crlf distinction is done here, on output,
2239 not on input! */
2240 if (ip->linefeed_newline)
2241 ite_crlf (ip);
2242 else
2243 ite_lf (ip);
2244 break;
2245
2246 case CR:
2247 ite_cr (ip);
2248 break;
2249
2250 case BS:
2251 if (--ip->curx < 0)
2252 ip->curx = 0;
2253 else
2254 SUBR_CURSOR(ip, MOVE_CURSOR);
2255 break;
2256
2257 case HT:
2258 for (n = ip->curx + 1; n < ip->cols; n++) {
2259 if (ip->tabs[n]) {
2260 ip->curx = n;
2261 SUBR_CURSOR(ip, MOVE_CURSOR);
2262 break;
2263 }
2264 }
2265 break;
2266
2267 case BEL:
2268 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2269 kbdbell();
2270 break;
2271
2272 case SO:
2273 ip->GL = ip->G1;
2274 break;
2275
2276 case SI:
2277 ip->GL = ip->G0;
2278 break;
2279
2280 case ENQ:
2281 /* send answer-back message !! */
2282 break;
2283
2284 case CAN:
2285 ip->escape = 0; /* cancel any escape sequence in progress */
2286 break;
2287
2288 case SUB:
2289 ip->escape = 0; /* dito, but see below */
2290 /* should also display a reverse question mark!! */
2291 break;
2292
2293 case ESC:
2294 ip->escape = ESC;
2295 break;
2296
2297
2298 /* now it gets weird.. 8bit control sequences.. */
2299 case IND: /* index: move cursor down, scroll */
2300 ite_lf (ip);
2301 break;
2302
2303 case NEL: /* next line. next line, first pos. */
2304 ite_crlf (ip);
2305 break;
2306
2307 case HTS: /* set horizontal tab */
2308 if (ip->curx < ip->cols)
2309 ip->tabs[ip->curx] = 1;
2310 break;
2311
2312 case RI: /* reverse index */
2313 ite_rlf (ip);
2314 break;
2315
2316 case SS2: /* go into G2 for one character */
2317 /* not yet supported */
2318 break;
2319
2320 case SS3: /* go into G3 for one character */
2321 break;
2322
2323 case DCS: /* device control string introducer */
2324 ip->escape = DCS;
2325 ip->ap = ip->argbuf;
2326 break;
2327
2328 case CSI: /* control sequence introducer */
2329 ip->escape = CSI;
2330 ip->ap = ip->argbuf;
2331 break;
2332
2333 case ST: /* string terminator */
2334 /* ignore, if not used as terminator */
2335 break;
2336
2337 case OSC: /* introduces OS command. Ignore everything upto ST */
2338 ip->escape = OSC;
2339 break;
2340
2341 case PM: /* privacy message, ignore everything upto ST */
2342 ip->escape = PM;
2343 break;
2344
2345 case APC: /* application program command, ignore everything upto ST */
2346 ip->escape = APC;
2347 break;
2348
2349 default:
2350 if (c < ' ' || c == DEL)
2351 break;
2352 if (ip->imode)
2353 ite_inchar(ip, 1);
2354 iteprecheckwrap(ip);
2355 #ifdef DO_WEIRD_ATTRIBUTES
2356 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2357 attrset(ip, ATTR_INV);
2358 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2359 }
2360 else
2361 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2362 #else
2363 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2364 #endif
2365 SUBR_CURSOR(ip, DRAW_CURSOR);
2366 itecheckwrap(ip);
2367 break;
2368 }
2369 }
2370
2371 static void
2372 iteprecheckwrap(ip)
2373 struct ite_softc *ip;
2374 {
2375 if (ip->auto_wrap && ip->curx == ip->cols) {
2376 ip->curx = 0;
2377 clr_attr(ip, ATTR_INV);
2378 if (++ip->cury >= ip->bottom_margin + 1) {
2379 ip->cury = ip->bottom_margin;
2380 SUBR_CURSOR(ip, MOVE_CURSOR);
2381 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2382 ite_clrtoeol(ip);
2383 } else
2384 SUBR_CURSOR(ip, MOVE_CURSOR);
2385 }
2386 }
2387
2388 static void
2389 itecheckwrap(ip)
2390 struct ite_softc *ip;
2391 {
2392 if (ip->curx < ip->cols) {
2393 ip->curx++;
2394 SUBR_CURSOR(ip, MOVE_CURSOR);
2395 }
2396 }
2397