ite.c revision 1.61 1 /* $NetBSD: ite.c,v 1.61 2009/03/14 15:36:03 dsl Exp $ */
2
3 /*
4 * Copyright (c) 1990 The Regents of the University of California.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * the Systems Programming Group of the University of Utah Computer
9 * Science Department.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * from: Utah Hdr: ite.c 1.1 90/07/09
36 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91
37 */
38 /*
39 * Copyright (c) 1988 University of Utah.
40 *
41 * This code is derived from software contributed to Berkeley by
42 * the Systems Programming Group of the University of Utah Computer
43 * Science Department.
44 *
45 * Redistribution and use in source and binary forms, with or without
46 * modification, are permitted provided that the following conditions
47 * are met:
48 * 1. Redistributions of source code must retain the above copyright
49 * notice, this list of conditions and the following disclaimer.
50 * 2. Redistributions in binary form must reproduce the above copyright
51 * notice, this list of conditions and the following disclaimer in the
52 * documentation and/or other materials provided with the distribution.
53 * 3. All advertising materials mentioning features or use of this software
54 * must display the following acknowledgement:
55 * This product includes software developed by the University of
56 * California, Berkeley and its contributors.
57 * 4. Neither the name of the University nor the names of its contributors
58 * may be used to endorse or promote products derived from this software
59 * without specific prior written permission.
60 *
61 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
62 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
63 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
64 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
65 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
66 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
67 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
68 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
69 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
70 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
71 * SUCH DAMAGE.
72 *
73 * from: Utah Hdr: ite.c 1.1 90/07/09
74 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91
75 */
76
77 /*
78 * ite - bitmapped terminal.
79 * Supports VT200, a few terminal features will be unavailable until
80 * the system actually probes the device (i.e. not after consinit())
81 */
82
83 #include <sys/cdefs.h>
84 __KERNEL_RCSID(0, "$NetBSD: ite.c,v 1.61 2009/03/14 15:36:03 dsl Exp $");
85
86 #include "opt_ddb.h"
87
88 #include <sys/param.h>
89 #include <sys/kernel.h>
90 #include <sys/conf.h>
91 #include <sys/device.h>
92 #include <sys/malloc.h>
93 #include <sys/fcntl.h>
94 #include <sys/ioctl.h>
95 #include <sys/tty.h>
96 #include <sys/termios.h>
97 #include <sys/systm.h>
98 #include <sys/callout.h>
99 #include <sys/proc.h>
100 #include <dev/cons.h>
101 #include <sys/kauth.h>
102
103 #include <machine/cpu.h>
104
105 #include <atari/atari/device.h>
106 #include <atari/dev/event_var.h>
107 #include <atari/dev/kbdmap.h>
108 #include <atari/dev/kbdvar.h>
109 #include <atari/dev/iteioctl.h>
110 #include <atari/dev/itevar.h>
111 #include <atari/dev/grfioctl.h>
112 #include <atari/dev/grfabs_reg.h>
113 #include <atari/dev/grfvar.h>
114 #include <atari/dev/viewioctl.h>
115 #include <atari/dev/viewvar.h>
116
117 #define ITEUNIT(dev) (minor(dev))
118
119 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
120 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
121 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
122 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
123 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
124 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir)
125
126 int start_repeat_timeo = 30; /* first repeat after x s/100 */
127 int next_repeat_timeo = 10; /* next repeat after x s/100 */
128
129 /*
130 * Patchable
131 */
132 int ite_default_x = 0; /* def leftedge offset */
133 int ite_default_y = 0; /* def topedge offset */
134 int ite_default_width = 640; /* def width */
135 int ite_default_depth = 1; /* def depth */
136 int ite_default_height = 400; /* def height */
137 int ite_default_wrap = 1; /* if you want vtxxx-nam -> binpatch */
138
139 struct ite_softc con_itesoftc;
140 u_char cons_tabs[MAX_TABS];
141
142 struct ite_softc *kbd_ite;
143 int kbd_init;
144
145 static inline int atoi(const char *);
146 static inline int ite_argnum(struct ite_softc *);
147 static inline int ite_zargnum(struct ite_softc *);
148 static inline void ite_cr(struct ite_softc *);
149 static inline void ite_crlf(struct ite_softc *);
150 static inline void ite_clrline(struct ite_softc *);
151 static inline void ite_clrscreen(struct ite_softc *);
152 static inline void ite_clrtobos(struct ite_softc *);
153 static inline void ite_clrtobol(struct ite_softc *);
154 static inline void ite_clrtoeol(struct ite_softc *);
155 static inline void ite_clrtoeos(struct ite_softc *);
156 static inline void ite_dnchar(struct ite_softc *, int);
157 static inline void ite_inchar(struct ite_softc *, int);
158 static inline void ite_inline(struct ite_softc *, int);
159 static inline void ite_lf(struct ite_softc *);
160 static inline void ite_dnline(struct ite_softc *, int);
161 static inline void ite_rlf(struct ite_softc *);
162 static inline void ite_sendstr(const char *);
163 static inline void snap_cury(struct ite_softc *);
164
165 static void alignment_display(struct ite_softc *);
166 static struct ite_softc *getitesp(dev_t);
167 static void itecheckwrap(struct ite_softc *);
168 static void iteprecheckwrap(struct ite_softc *);
169 static void itestart(struct tty *);
170 static void ite_switch(int);
171 static void repeat_handler(void *);
172
173 void iteputchar(int c, struct ite_softc *ip);
174 void ite_putstr(const u_char * s, int len, dev_t dev);
175 void iteattach(struct device *, struct device *, void *);
176 int itematch(struct device *, struct cfdata *, void *);
177
178 /*
179 * Console specific types.
180 */
181 dev_type_cnprobe(itecnprobe);
182 dev_type_cninit(itecninit);
183 dev_type_cngetc(itecngetc);
184 dev_type_cnputc(itecnputc);
185
186 CFATTACH_DECL(ite, sizeof(struct ite_softc),
187 itematch, iteattach, NULL, NULL);
188
189 extern struct cfdriver ite_cd;
190
191 dev_type_open(iteopen);
192 dev_type_close(iteclose);
193 dev_type_read(iteread);
194 dev_type_write(itewrite);
195 dev_type_ioctl(iteioctl);
196 dev_type_tty(itetty);
197 dev_type_poll(itepoll);
198
199 const struct cdevsw ite_cdevsw = {
200 iteopen, iteclose, iteread, itewrite, iteioctl,
201 nostop, itetty, itepoll, nommap, ttykqfilter, D_TTY
202 };
203
204 /*
205 * Keep track of the device number of the ite console. Only used in the
206 * itematch/iteattach functions.
207 */
208 static int cons_ite = -1;
209
210 int
211 itematch(struct device *pdp, struct cfdata *cfp, void *auxp)
212 {
213
214 /*
215 * Handle early console stuff. The first unit number
216 * is the console unit. All other early matches will fail.
217 */
218 if (atari_realconfig == 0) {
219 if (cons_ite >= 0)
220 return 0;
221 cons_ite = cfp->cf_unit;
222 return 1;
223 }
224 return 1;
225 }
226
227 void
228 iteattach(pdp, dp, auxp)
229 struct device *pdp, *dp;
230 void *auxp;
231 {
232 struct grf_softc *gp;
233 struct ite_softc *ip;
234 int s;
235 int maj, unit;
236
237 gp = (struct grf_softc *)auxp;
238 ip = (struct ite_softc *)dp;
239
240 maj = cdevsw_lookup_major(&ite_cdevsw);
241 unit = (dp != NULL) ? device_unit(&ip->device) : cons_ite;
242 gp->g_itedev = makedev(maj, unit);
243
244 if (dp) {
245 s = spltty();
246 if(con_itesoftc.grf != NULL
247 && con_itesoftc.grf->g_unit == gp->g_unit) {
248 /*
249 * console reinit copy params over.
250 * and console always gets keyboard
251 */
252 bcopy(&con_itesoftc.grf, &ip->grf,
253 (char *)&ip[1] - (char *)&ip->grf);
254 con_itesoftc.grf = NULL;
255 kbd_ite = ip;
256 }
257 ip->grf = gp;
258 splx(s);
259
260 iteinit(gp->g_itedev);
261 printf(": %dx%d", ip->rows, ip->cols);
262 printf(" repeat at (%d/100)s next at (%d/100)s",
263 start_repeat_timeo, next_repeat_timeo);
264
265 if (kbd_ite == NULL)
266 kbd_ite = ip;
267 if (kbd_ite == ip)
268 printf(" has keyboard");
269 printf("\n");
270 ip->flags |= ITE_ATTACHED;
271 } else {
272 if (con_itesoftc.grf != NULL &&
273 con_itesoftc.grf->g_conpri > gp->g_conpri)
274 return;
275 con_itesoftc.grf = gp;
276 con_itesoftc.tabs = cons_tabs;
277 }
278 }
279
280 static struct ite_softc *
281 getitesp(dev_t dev)
282 {
283 if(atari_realconfig && (con_itesoftc.grf == NULL))
284 return(device_lookup_private(&ite_cd, ITEUNIT(dev)));
285
286 if(con_itesoftc.grf == NULL)
287 panic("no ite_softc for console");
288 return(&con_itesoftc);
289 }
290
291 /*
292 * cons.c entry points into ite device.
293 */
294
295 /*
296 * Return a priority in consdev->cn_pri field highest wins. This function
297 * is called before any devices have been probed.
298 */
299 void
300 itecnprobe(struct consdev *cd)
301 {
302 /*
303 * return priority of the best ite (already picked from attach)
304 * or CN_DEAD.
305 */
306 if (con_itesoftc.grf == NULL)
307 cd->cn_pri = CN_DEAD;
308 else {
309 cd->cn_pri = con_itesoftc.grf->g_conpri;
310 cd->cn_dev = con_itesoftc.grf->g_itedev;
311 }
312 }
313
314 void
315 itecninit(struct consdev *cd)
316 {
317 struct ite_softc *ip;
318
319 ip = getitesp(cd->cn_dev);
320 ip->flags |= ITE_ISCONS;
321 iteinit(cd->cn_dev);
322 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
323 }
324
325 /*
326 * ite_cnfinish() is called in ite_init() when the device is
327 * being probed in the normal fasion, thus we can finish setting
328 * up this ite now that the system is more functional.
329 */
330 void
331 ite_cnfinish(struct ite_softc *ip)
332 {
333 static int done;
334
335 if (done)
336 return;
337 done = 1;
338 }
339
340 int
341 itecngetc(dev_t dev)
342 {
343 int c;
344
345 do {
346 c = kbdgetcn();
347 c = ite_cnfilter(c, ITEFILT_CONSOLE);
348 } while (c == -1);
349 return (c);
350 }
351
352 void
353 itecnputc(dev_t dev, int c)
354 {
355 static int paniced;
356 struct ite_softc *ip;
357 char ch;
358
359 ip = getitesp(dev);
360 ch = c;
361
362 if (panicstr && !paniced &&
363 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
364 ite_on(dev, 3);
365 paniced = 1;
366 }
367 SUBR_CURSOR(ip, START_CURSOROPT);
368 iteputchar(ch, ip);
369 SUBR_CURSOR(ip, END_CURSOROPT);
370 }
371
372 /*
373 * standard entry points to the device.
374 */
375
376 /*
377 * iteinit() is the standard entry point for initialization of
378 * an ite device, it is also called from itecninit().
379 *
380 */
381 void
382 iteinit(dev_t dev)
383 {
384 struct ite_softc *ip;
385
386 ip = getitesp(dev);
387 if (ip->flags & ITE_INITED)
388 return;
389 if (atari_realconfig) {
390 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap)
391 free(ip->kbdmap, M_DEVBUF);
392 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK);
393 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap));
394 }
395 else ip->kbdmap = &ascii_kbdmap;
396
397 ip->cursorx = 0;
398 ip->cursory = 0;
399 SUBR_INIT(ip);
400 SUBR_CURSOR(ip, DRAW_CURSOR);
401 if (ip->tabs == NULL)
402 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
403 ite_reset(ip);
404 ip->flags |= ITE_INITED;
405 }
406
407 int
408 iteopen(dev, mode, devtype, l)
409 dev_t dev;
410 int mode, devtype;
411 struct lwp *l;
412 {
413 struct ite_softc *ip;
414 struct tty *tp;
415 int error, first, unit;
416
417 unit = ITEUNIT(dev);
418 if (unit >= ite_cd.cd_ndevs)
419 return ENXIO;
420
421 first = 0;
422 ip = getitesp(dev);
423 if (ip == NULL)
424 return ENXIO;
425 if ((ip->flags & ITE_ATTACHED) == 0)
426 return (ENXIO);
427
428 if (ip->tp == NULL) {
429 tp = ip->tp = ttymalloc();
430 tty_attach(tp);
431 }
432 else tp = ip->tp;
433
434 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp))
435 return (EBUSY);
436
437 if ((ip->flags & ITE_ACTIVE) == 0) {
438 ite_on(dev, 0);
439 first = 1;
440 }
441 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) {
442 tp->t_oproc = itestart;
443 tp->t_param = ite_param;
444 tp->t_dev = dev;
445 tp->t_iflag = TTYDEF_IFLAG;
446 tp->t_oflag = TTYDEF_OFLAG;
447 tp->t_cflag = TTYDEF_CFLAG;
448 tp->t_lflag = TTYDEF_LFLAG;
449 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
450 tp->t_state = TS_CARR_ON;
451 ttychars(tp);
452 ttsetwater(tp);
453 }
454
455
456 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0);
457 if (error)
458 goto bad;
459
460 error = (*tp->t_linesw->l_open) (dev, tp);
461 if (error)
462 goto bad;
463
464 tp->t_winsize.ws_row = ip->rows;
465 tp->t_winsize.ws_col = ip->cols;
466 if (!kbd_init) {
467 kbd_init = 1;
468 kbdenable();
469 }
470 return (0);
471
472
473 bad:
474 if (first)
475 ite_off(dev, 0);
476
477 return (error);
478 }
479
480 int
481 iteclose(dev, flag, mode, l)
482 dev_t dev;
483 int flag, mode;
484 struct lwp *l;
485 {
486 struct tty *tp;
487
488 tp = getitesp(dev)->tp;
489
490 KDASSERT(tp);
491 (*tp->t_linesw->l_close) (tp, flag);
492 ttyclose(tp);
493 ite_off(dev, 0);
494 return (0);
495 }
496
497 int
498 iteread(dev_t dev, struct uio *uio, int flag)
499 {
500 struct tty *tp;
501
502 tp = getitesp(dev)->tp;
503
504 KDASSERT(tp);
505 return ((*tp->t_linesw->l_read) (tp, uio, flag));
506 }
507
508 int
509 itewrite(dev_t dev, struct uio *uio, int flag)
510 {
511 struct tty *tp;
512
513 tp = getitesp(dev)->tp;
514
515 KDASSERT(tp);
516 return ((*tp->t_linesw->l_write) (tp, uio, flag));
517 }
518
519 int
520 itepoll(dev_t dev, int events, struct lwp *l)
521 {
522 struct tty *tp;
523
524 tp = getitesp(dev)->tp;
525
526 KDASSERT(tp);
527 return ((*tp->t_linesw->l_poll)(tp, events, l));
528 }
529
530 struct tty *
531 itetty(dev_t dev)
532 {
533 return(getitesp(dev)->tp);
534 }
535
536 int
537 iteioctl(dev_t dev, u_long cmd, void * addr, int flag, struct lwp *l)
538 {
539 struct iterepeat *irp;
540 struct ite_softc *ip;
541 struct tty *tp;
542 view_t *view;
543 struct itewinsize *is;
544 struct itebell *ib;
545 int error;
546
547 ip = getitesp(dev);
548 tp = ip->tp;
549 view = viewview(ip->grf->g_viewdev);
550
551 KDASSERT(tp);
552
553 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, l);
554 if(error != EPASSTHROUGH)
555 return (error);
556
557 error = ttioctl(tp, cmd, addr, flag, l);
558 if (error != EPASSTHROUGH)
559 return (error);
560
561 switch (cmd) {
562 case ITEIOCSKMAP:
563 if (addr == NULL)
564 return(EFAULT);
565 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap));
566 return 0;
567 case ITEIOCSSKMAP:
568 if (addr == NULL)
569 return(EFAULT);
570 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap));
571 return 0;
572 case ITEIOCGKMAP:
573 if (addr == NULL)
574 return(EFAULT);
575 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap));
576 return 0;
577 case ITEIOCGREPT:
578 if (addr == NULL)
579 return(EFAULT);
580 irp = (struct iterepeat *)addr;
581 irp->start = start_repeat_timeo;
582 irp->next = next_repeat_timeo;
583 return 0;
584 case ITEIOCSREPT:
585 if (addr == NULL)
586 return(EFAULT);
587 irp = (struct iterepeat *)addr;
588 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT)
589 return(EINVAL);
590 start_repeat_timeo = irp->start;
591 next_repeat_timeo = irp->next;
592 return 0;
593 case ITEIOCGWINSZ:
594 if (addr == NULL)
595 return(EFAULT);
596 is = (struct itewinsize *)addr;
597 is->x = view->display.x;
598 is->y = view->display.y;
599 is->width = view->display.width;
600 is->height = view->display.height;
601 is->depth = view->bitmap->depth;
602 return 0;
603 case ITEIOCDSPWIN:
604 ip->grf->g_mode(ip->grf, GM_GRFON, NULL, 0, 0);
605 return 0;
606 case ITEIOCREMWIN:
607 ip->grf->g_mode(ip->grf, GM_GRFOFF, NULL, 0, 0);
608 return 0;
609 case ITEIOCSBELL:
610 if (addr == NULL)
611 return(EFAULT);
612 ib = (struct itebell *)addr;
613 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec);
614 return 0;
615 case ITEIOCGBELL:
616 if (addr == NULL)
617 return(EFAULT);
618 ib = (struct itebell *)addr;
619 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec);
620 return 0;
621 }
622 return (ip->itexx_ioctl)(ip, cmd, addr, flag, l);
623 }
624
625 void
626 itestart(struct tty *tp)
627 {
628 struct clist *rbp;
629 struct ite_softc *ip;
630 u_char buf[ITEBURST];
631 int s, len;
632
633 ip = getitesp(tp->t_dev);
634
635 KDASSERT(tp);
636
637 s = spltty(); {
638 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
639 goto out;
640
641 tp->t_state |= TS_BUSY;
642 rbp = &tp->t_outq;
643
644 len = q_to_b(rbp, buf, ITEBURST);
645 } splx(s);
646
647 /* Here is a really good place to implement pre/jumpscroll() */
648 ite_putstr((char *)buf, len, tp->t_dev);
649
650 s = spltty(); {
651 tp->t_state &= ~TS_BUSY;
652 /* we have characters remaining. */
653 if (ttypull(tp)) {
654 tp->t_state |= TS_TIMEOUT;
655 callout_schedule(&tp->t_rstrt_ch, 1);
656 }
657 out: ;
658 } splx(s);
659 }
660
661 void
662 ite_on(dev_t dev, int flag)
663 {
664 struct ite_softc *ip;
665 int unit;
666
667 unit = ITEUNIT(dev);
668 ip = getitesp(dev);
669
670 /* force ite active, overriding graphics mode */
671 if (flag & 1) {
672 ip->flags |= ITE_ACTIVE;
673 ip->flags &= ~(ITE_INGRF | ITE_INITED);
674 }
675 /* leave graphics mode */
676 if (flag & 2) {
677 ip->flags &= ~ITE_INGRF;
678 if ((ip->flags & ITE_ACTIVE) == 0)
679 return;
680 }
681 ip->flags |= ITE_ACTIVE;
682 if (ip->flags & ITE_INGRF)
683 return;
684 iteinit(dev);
685 }
686
687 void
688 ite_off(dev_t dev, int flag)
689 {
690 struct ite_softc *ip;
691
692 ip = getitesp(dev);
693 if (flag & 2)
694 ip->flags |= ITE_INGRF;
695 if ((ip->flags & ITE_ACTIVE) == 0)
696 return;
697 if ((flag & 1) ||
698 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
699 SUBR_DEINIT(ip);
700 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
701 ip->flags &= ~ITE_ACTIVE;
702 }
703
704 static void
705 ite_switch(int unit)
706 {
707 struct ite_softc *ip;
708 extern const struct cdevsw view_cdevsw;
709
710 ip = getitesp(unit);
711 if ((ip->flags & (ITE_ATTACHED | ITE_INITED)) == 0)
712 return;
713
714 /*
715 * If switching to an active ite, also switch the keyboard.
716 */
717 if (ip->flags & ITE_ACTIVE)
718 kbd_ite = ip;
719
720 /*
721 * Now make it visible
722 */
723 (*view_cdevsw.d_ioctl)(ip->grf->g_viewdev, VIOCDISPLAY, NULL,
724 0, NOLWP);
725
726 /*
727 * Make sure the cursor's there too....
728 */
729 SUBR_CURSOR(ip, DRAW_CURSOR);
730 }
731
732 /* XXX called after changes made in underlying grf layer. */
733 /* I want to nuke this */
734 void
735 ite_reinit(dev_t dev)
736 {
737 struct ite_softc *ip;
738
739 ip = getitesp(dev);
740 ip->flags &= ~ITE_INITED;
741 iteinit(dev);
742 }
743
744 int
745 ite_param(struct tty *tp, struct termios *t)
746 {
747 tp->t_ispeed = t->c_ispeed;
748 tp->t_ospeed = t->c_ospeed;
749 tp->t_cflag = t->c_cflag;
750 return (0);
751 }
752
753 void
754 ite_reset(struct ite_softc *ip)
755 {
756 int i;
757
758 ip->curx = 0;
759 ip->cury = 0;
760 ip->attribute = ATTR_NOR;
761 ip->save_curx = 0;
762 ip->save_cury = 0;
763 ip->save_attribute = ATTR_NOR;
764 ip->ap = ip->argbuf;
765 ip->emul_level = 0;
766 ip->eightbit_C1 = 0;
767 ip->top_margin = 0;
768 ip->bottom_margin = ip->rows - 1;
769 ip->inside_margins = 0;
770 ip->linefeed_newline = 0;
771 ip->auto_wrap = ite_default_wrap;
772 ip->cursor_appmode = 0;
773 ip->keypad_appmode = 0;
774 ip->imode = 0;
775 ip->key_repeat = 1;
776 bzero(ip->tabs, ip->cols);
777 for (i = 0; i < ip->cols; i++)
778 ip->tabs[i] = ((i & 7) == 0);
779 }
780
781 /*
782 * has to be global because of the shared filters.
783 */
784 static u_char last_dead;
785
786 /*
787 * Used in console at startup only and for DDB.
788 */
789 int
790 ite_cnfilter(u_int c, enum caller caller)
791 {
792 struct key key;
793 struct kbdmap *kbdmap;
794 u_char code, up, mask;
795 int s;
796
797 up = KBD_RELEASED(c);
798 c = KBD_SCANCODE(c);
799 code = 0;
800 mask = 0;
801 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap;
802
803 s = spltty();
804
805 /*
806 * No special action if key released
807 */
808 if(up) {
809 splx(s);
810 return -1;
811 }
812
813 /* translate modifiers */
814 if(kbd_modifier & KBD_MOD_SHIFT) {
815 if(kbd_modifier & KBD_MOD_ALT)
816 key = kbdmap->alt_shift_keys[c];
817 else key = kbdmap->shift_keys[c];
818 }
819 else if(kbd_modifier & KBD_MOD_ALT)
820 key = kbdmap->alt_keys[c];
821 else {
822 key = kbdmap->keys[c];
823 /*
824 * If CAPS and key is CAPable (no pun intended)
825 */
826 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
827 key = kbdmap->shift_keys[c];
828 }
829 code = key.code;
830
831 #ifdef notyet /* LWP: Didn't have time to look at this yet */
832 /*
833 * If string return simple console filter
834 */
835 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
836 splx(s);
837 return -1;
838 }
839 /* handle dead keys */
840 if(key->mode & KBD_MODE_DEAD) {
841 /* if entered twice, send accent itself */
842 if (last_dead == key->mode & KBD_MODE_ACCMASK)
843 last_dead = 0;
844 else {
845 last_dead = key->mode & KBD_MODE_ACCMASK;
846 splx(s);
847 return -1;
848 }
849 }
850 if(last_dead) {
851 /* can't apply dead flag to string-keys */
852 if (code >= '@' && code < 0x7f)
853 code =
854 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
855 last_dead = 0;
856 }
857 #endif
858 if(kbd_modifier & KBD_MOD_CTRL)
859 code &= 0x1f;
860
861 /*
862 * Do console mapping.
863 */
864 code = code == '\r' ? '\n' : code;
865
866 splx(s);
867 return (code);
868 }
869
870 /* And now the old stuff. */
871
872 /* these are used to implement repeating keys.. */
873 static u_int last_char;
874 static u_char tout_pending;
875
876 static callout_t repeat_ch;
877
878 /*ARGSUSED*/
879 static void
880 repeat_handler(void *arg)
881 {
882 tout_pending = 0;
883 if(last_char)
884 add_sicallback((si_farg)ite_filter, (void *)last_char,
885 (void *)ITEFILT_REPEATER);
886 }
887
888 void
889 ite_filter(u_int c, enum caller caller)
890 {
891 struct tty *kbd_tty;
892 struct kbdmap *kbdmap;
893 u_char code, *str, up, mask;
894 struct key key;
895 int s, i;
896 static bool again;
897
898 if (!again) {
899 /* XXX */
900 callout_init(&repeat_ch, 0);
901 again = true;
902 }
903
904 if(kbd_ite == NULL)
905 return;
906
907 kbd_tty = kbd_ite->tp;
908 kbdmap = kbd_ite->kbdmap;
909
910 up = KBD_RELEASED(c);
911 c = KBD_SCANCODE(c);
912 code = 0;
913 mask = 0;
914
915 /* have to make sure we're at spltty in here */
916 s = spltty();
917
918 /*
919 * keyboard interrupts come at priority 2, while softint
920 * generated keyboard-repeat interrupts come at level 1. So,
921 * to not allow a key-up event to get thru before a repeat for
922 * the key-down, we remove any outstanding callout requests..
923 */
924 rem_sicallback((si_farg)ite_filter);
925
926 /*
927 * Stop repeating on up event
928 */
929 if (up) {
930 if(tout_pending) {
931 callout_stop(&repeat_ch);
932 tout_pending = 0;
933 last_char = 0;
934 }
935 splx(s);
936 return;
937 }
938 else if(tout_pending && last_char != c) {
939 /*
940 * Different character, stop also
941 */
942 callout_stop(&repeat_ch);
943 tout_pending = 0;
944 last_char = 0;
945 }
946
947 /*
948 * Handle ite-switching ALT + Fx
949 */
950 if((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
951 ite_switch(c - 0x3b);
952 splx(s);
953 return;
954 }
955 /*
956 * Safety button, switch back to ascii keymap.
957 */
958 if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
959 /* ALT + LSHIFT + F1 */
960 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap));
961 splx(s);
962 return;
963 #ifdef DDB
964 }
965 else if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) {
966 /*
967 * ALT + LSHIFT + F9 -> Debugger!
968 */
969 Debugger();
970 splx(s);
971 return;
972 #endif
973 }
974
975 /*
976 * The rest of the code is senseless when the device is not open.
977 */
978 if(kbd_tty == NULL) {
979 splx(s);
980 return;
981 }
982
983 /*
984 * Translate modifiers
985 */
986 if(kbd_modifier & KBD_MOD_SHIFT) {
987 if(kbd_modifier & KBD_MOD_ALT)
988 key = kbdmap->alt_shift_keys[c];
989 else key = kbdmap->shift_keys[c];
990 }
991 else if(kbd_modifier & KBD_MOD_ALT)
992 key = kbdmap->alt_keys[c];
993 else {
994 key = kbdmap->keys[c];
995 /*
996 * If CAPS and key is CAPable (no pun intended)
997 */
998 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
999 key = kbdmap->shift_keys[c];
1000 }
1001 code = key.code;
1002
1003 /*
1004 * Arrange to repeat the keystroke. By doing this at the level
1005 * of scan-codes, we can have function keys, and keys that
1006 * send strings, repeat too. This also entitles an additional
1007 * overhead, since we have to do the conversion each time, but
1008 * I guess that's ok.
1009 */
1010 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
1011 tout_pending = 1;
1012 last_char = c;
1013 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100,
1014 repeat_handler, NULL);
1015 }
1016 else if(!tout_pending && caller==ITEFILT_REPEATER
1017 && kbd_ite->key_repeat) {
1018 tout_pending = 1;
1019 last_char = c;
1020 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100,
1021 repeat_handler, NULL);
1022 }
1023 /* handle dead keys */
1024 if (key.mode & KBD_MODE_DEAD) {
1025 /* if entered twice, send accent itself */
1026 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
1027 last_dead = 0;
1028 else {
1029 last_dead = key.mode & KBD_MODE_ACCMASK;
1030 splx(s);
1031 return;
1032 }
1033 }
1034 if (last_dead) {
1035 /* can't apply dead flag to string-keys */
1036 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
1037 code < 0x7f)
1038 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
1039 last_dead = 0;
1040 }
1041
1042 /*
1043 * If not string, apply CTRL modifiers
1044 */
1045 if(!(key.mode & KBD_MODE_STRING)
1046 && (!(key.mode & KBD_MODE_KPAD)
1047 || (kbd_ite && !kbd_ite->keypad_appmode))) {
1048 if(kbd_modifier & KBD_MOD_CTRL)
1049 code &= 0x1f;
1050 }
1051 else if((key.mode & KBD_MODE_KPAD)
1052 && (kbd_ite && kbd_ite->keypad_appmode)) {
1053 static const char * const in = "0123456789-+.\r()/*";
1054 static const char * const out = "pqrstuvwxymlnMPQRS";
1055 char *cp = strchr(in, code);
1056
1057 /*
1058 * keypad-appmode sends SS3 followed by the above
1059 * translated character
1060 */
1061 kbd_tty->t_linesw->l_rint(27, kbd_tty);
1062 kbd_tty->t_linesw->l_rint('O', kbd_tty);
1063 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
1064 splx(s);
1065 return;
1066 } else {
1067 /* *NO* I don't like this.... */
1068 static u_char app_cursor[] =
1069 {
1070 3, 27, 'O', 'A',
1071 3, 27, 'O', 'B',
1072 3, 27, 'O', 'C',
1073 3, 27, 'O', 'D'};
1074
1075 str = kbdmap->strings + code;
1076 /*
1077 * if this is a cursor key, AND it has the default
1078 * keymap setting, AND we're in app-cursor mode, switch
1079 * to the above table. This is *nasty* !
1080 */
1081 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50))
1082 && kbd_ite->cursor_appmode
1083 && !bcmp(str, "\x03\x1b[", 3) &&
1084 strchr("ABCD", str[3]))
1085 str = app_cursor + 4 * (str[3] - 'A');
1086
1087 /*
1088 * using a length-byte instead of 0-termination allows
1089 * to embed \0 into strings, although this is not used
1090 * in the default keymap
1091 */
1092 for (i = *str++; i; i--)
1093 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1094 splx(s);
1095 return;
1096 }
1097 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1098
1099 splx(s);
1100 return;
1101 }
1102
1103 /* helper functions, makes the code below more readable */
1104 static inline void
1105 ite_sendstr(const char *str)
1106 {
1107 struct tty *kbd_tty;
1108
1109 kbd_tty = kbd_ite->tp;
1110 KDASSERT(kbd_tty);
1111 while (*str)
1112 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1113 }
1114
1115 static void
1116 alignment_display(struct ite_softc *ip)
1117 {
1118 int i, j;
1119
1120 for (j = 0; j < ip->rows; j++)
1121 for (i = 0; i < ip->cols; i++)
1122 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1123 attrclr(ip, 0, 0, ip->rows, ip->cols);
1124 SUBR_CURSOR(ip, DRAW_CURSOR);
1125 }
1126
1127 static inline void
1128 snap_cury(struct ite_softc *ip)
1129 {
1130 if (ip->inside_margins)
1131 {
1132 if (ip->cury < ip->top_margin)
1133 ip->cury = ip->top_margin;
1134 if (ip->cury > ip->bottom_margin)
1135 ip->cury = ip->bottom_margin;
1136 }
1137 }
1138
1139 static inline void
1140 ite_dnchar(struct ite_softc *ip, int n)
1141 {
1142 n = min(n, ip->cols - ip->curx);
1143 if (n < ip->cols - ip->curx)
1144 {
1145 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1146 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1147 1, ip->cols - ip->curx - n);
1148 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1149 }
1150 while (n-- > 0)
1151 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1152 SUBR_CURSOR(ip, DRAW_CURSOR);
1153 }
1154
1155 static inline void
1156 ite_inchar(struct ite_softc *ip, int n)
1157 {
1158 n = min(n, ip->cols - ip->curx);
1159 if (n < ip->cols - ip->curx)
1160 {
1161 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1162 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1163 1, ip->cols - ip->curx - n);
1164 attrclr(ip, ip->cury, ip->curx, 1, n);
1165 }
1166 while (n--)
1167 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1168 SUBR_CURSOR(ip, DRAW_CURSOR);
1169 }
1170
1171 static inline void
1172 ite_clrtoeol(struct ite_softc *ip)
1173 {
1174 int y = ip->cury, x = ip->curx;
1175 if (ip->cols - x > 0)
1176 {
1177 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1178 attrclr(ip, y, x, 1, ip->cols - x);
1179 SUBR_CURSOR(ip, DRAW_CURSOR);
1180 }
1181 }
1182
1183 static inline void
1184 ite_clrtobol(struct ite_softc *ip)
1185 {
1186 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1187 SUBR_CLEAR(ip, y, 0, 1, x);
1188 attrclr(ip, y, 0, 1, x);
1189 SUBR_CURSOR(ip, DRAW_CURSOR);
1190 }
1191
1192 static inline void
1193 ite_clrline(struct ite_softc *ip)
1194 {
1195 int y = ip->cury;
1196 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1197 attrclr(ip, y, 0, 1, ip->cols);
1198 SUBR_CURSOR(ip, DRAW_CURSOR);
1199 }
1200
1201
1202
1203 static inline void
1204 ite_clrtoeos(struct ite_softc *ip)
1205 {
1206 ite_clrtoeol(ip);
1207 if (ip->cury < ip->rows - 1)
1208 {
1209 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1210 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1211 SUBR_CURSOR(ip, DRAW_CURSOR);
1212 }
1213 }
1214
1215 static inline void
1216 ite_clrtobos(struct ite_softc *ip)
1217 {
1218 ite_clrtobol(ip);
1219 if (ip->cury > 0)
1220 {
1221 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1222 attrclr(ip, 0, 0, ip->cury, ip->cols);
1223 SUBR_CURSOR(ip, DRAW_CURSOR);
1224 }
1225 }
1226
1227 static inline void
1228 ite_clrscreen(struct ite_softc *ip)
1229 {
1230 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1231 attrclr(ip, 0, 0, ip->rows, ip->cols);
1232 SUBR_CURSOR(ip, DRAW_CURSOR);
1233 }
1234
1235
1236
1237 static inline void
1238 ite_dnline(struct ite_softc *ip, int n)
1239 {
1240 /* interesting.. if the cursor is outside the scrolling
1241 region, this command is simply ignored.. */
1242 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1243 return;
1244
1245 n = min(n, ip->bottom_margin + 1 - ip->cury);
1246 if (n <= ip->bottom_margin - ip->cury)
1247 {
1248 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1249 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1250 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1251 }
1252 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1253 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1254 SUBR_CURSOR(ip, DRAW_CURSOR);
1255 }
1256
1257 static inline void
1258 ite_inline(struct ite_softc *ip, int n)
1259 {
1260 /* interesting.. if the cursor is outside the scrolling
1261 region, this command is simply ignored.. */
1262 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1263 return;
1264
1265 n = min(n, ip->bottom_margin + 1 - ip->cury);
1266 if (n <= ip->bottom_margin - ip->cury)
1267 {
1268 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1269 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1270 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1271 }
1272 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1273 attrclr(ip, ip->cury, 0, n, ip->cols);
1274 SUBR_CURSOR(ip, DRAW_CURSOR);
1275 }
1276
1277 static inline void
1278 ite_lf (ip)
1279 struct ite_softc *ip;
1280 {
1281 ++ip->cury;
1282 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1283 {
1284 ip->cury--;
1285 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1286 ite_clrline(ip);
1287 }
1288 SUBR_CURSOR(ip, MOVE_CURSOR);
1289 clr_attr(ip, ATTR_INV);
1290 }
1291
1292 static inline void
1293 ite_crlf (ip)
1294 struct ite_softc *ip;
1295 {
1296 ip->curx = 0;
1297 ite_lf (ip);
1298 }
1299
1300 static inline void
1301 ite_cr (ip)
1302 struct ite_softc *ip;
1303 {
1304 if (ip->curx)
1305 {
1306 ip->curx = 0;
1307 SUBR_CURSOR(ip, MOVE_CURSOR);
1308 }
1309 }
1310
1311 static inline void
1312 ite_rlf (ip)
1313 struct ite_softc *ip;
1314 {
1315 ip->cury--;
1316 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1317 {
1318 ip->cury++;
1319 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1320 ite_clrline(ip);
1321 }
1322 SUBR_CURSOR(ip, MOVE_CURSOR);
1323 clr_attr(ip, ATTR_INV);
1324 }
1325
1326 static inline int
1327 atoi (cp)
1328 const char *cp;
1329 {
1330 int n;
1331
1332 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1333 n = n * 10 + *cp - '0';
1334
1335 return n;
1336 }
1337
1338 static inline int
1339 ite_argnum (ip)
1340 struct ite_softc *ip;
1341 {
1342 char ch;
1343 int n;
1344
1345 /* convert argument string into number */
1346 if (ip->ap == ip->argbuf)
1347 return 1;
1348 ch = *ip->ap;
1349 *ip->ap = 0;
1350 n = atoi (ip->argbuf);
1351 *ip->ap = ch;
1352
1353 return n;
1354 }
1355
1356 static inline int
1357 ite_zargnum (ip)
1358 struct ite_softc *ip;
1359 {
1360 char ch;
1361 int n;
1362
1363 /* convert argument string into number */
1364 if (ip->ap == ip->argbuf)
1365 return 0;
1366 ch = *ip->ap;
1367 *ip->ap = 0;
1368 n = atoi (ip->argbuf);
1369 *ip->ap = ch;
1370
1371 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1372 }
1373
1374 void
1375 ite_putstr(const u_char *s, int len, dev_t dev)
1376 {
1377 struct ite_softc *ip;
1378 int i;
1379
1380 ip = getitesp(dev);
1381
1382 /* XXX avoid problems */
1383 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1384 return;
1385
1386 SUBR_CURSOR(ip, START_CURSOROPT);
1387 for (i = 0; i < len; i++)
1388 if (s[i])
1389 iteputchar(s[i], ip);
1390 SUBR_CURSOR(ip, END_CURSOROPT);
1391 }
1392
1393
1394 void
1395 iteputchar(register int c, struct ite_softc *ip)
1396 {
1397 struct tty *kbd_tty;
1398 int n, x, y;
1399 char *cp;
1400
1401 if (kbd_ite == NULL)
1402 kbd_tty = NULL;
1403 else
1404 kbd_tty = kbd_ite->tp;
1405
1406 if (ip->escape)
1407 {
1408 switch (ip->escape)
1409 {
1410 case ESC:
1411 switch (c)
1412 {
1413 /* first 7bit equivalents for the 8bit control characters */
1414
1415 case 'D':
1416 c = IND;
1417 ip->escape = 0;
1418 break; /* and fall into the next switch below (same for all `break') */
1419
1420 case 'E':
1421 c = NEL;
1422 ip->escape = 0;
1423 break;
1424
1425 case 'H':
1426 c = HTS;
1427 ip->escape = 0;
1428 break;
1429
1430 case 'M':
1431 c = RI;
1432 ip->escape = 0;
1433 break;
1434
1435 case 'N':
1436 c = SS2;
1437 ip->escape = 0;
1438 break;
1439
1440 case 'O':
1441 c = SS3;
1442 ip->escape = 0;
1443 break;
1444
1445 case 'P':
1446 c = DCS;
1447 ip->escape = 0;
1448 break;
1449
1450 case '[':
1451 c = CSI;
1452 ip->escape = 0;
1453 break;
1454
1455 case '\\':
1456 c = ST;
1457 ip->escape = 0;
1458 break;
1459
1460 case ']':
1461 c = OSC;
1462 ip->escape = 0;
1463 break;
1464
1465 case '^':
1466 c = PM;
1467 ip->escape = 0;
1468 break;
1469
1470 case '_':
1471 c = APC;
1472 ip->escape = 0;
1473 break;
1474
1475
1476 /* introduces 7/8bit control */
1477 case ' ':
1478 /* can be followed by either F or G */
1479 ip->escape = ' ';
1480 break;
1481
1482
1483 /* a lot of character set selections, not yet used...
1484 94-character sets: */
1485 case '(': /* G0 */
1486 case ')': /* G1 */
1487 ip->escape = c;
1488 return;
1489
1490 case '*': /* G2 */
1491 case '+': /* G3 */
1492 case 'B': /* ASCII */
1493 case 'A': /* ISO latin 1 */
1494 case '<': /* user preferred suplemental */
1495 case '0': /* dec special graphics */
1496
1497 /* 96-character sets: */
1498 case '-': /* G1 */
1499 case '.': /* G2 */
1500 case '/': /* G3 */
1501
1502 /* national character sets: */
1503 case '4': /* dutch */
1504 case '5':
1505 case 'C': /* finnish */
1506 case 'R': /* french */
1507 case 'Q': /* french canadian */
1508 case 'K': /* german */
1509 case 'Y': /* italian */
1510 case '6': /* norwegian/danish */
1511 /* note: %5 and %6 are not supported (two chars..) */
1512
1513 ip->escape = 0;
1514 /* just ignore for now */
1515 return;
1516
1517
1518 /* locking shift modes (as you might guess, not yet supported..) */
1519 case '`':
1520 ip->GR = ip->G1;
1521 ip->escape = 0;
1522 return;
1523
1524 case 'n':
1525 ip->GL = ip->G2;
1526 ip->escape = 0;
1527 return;
1528
1529 case '}':
1530 ip->GR = ip->G2;
1531 ip->escape = 0;
1532 return;
1533
1534 case 'o':
1535 ip->GL = ip->G3;
1536 ip->escape = 0;
1537 return;
1538
1539 case '|':
1540 ip->GR = ip->G3;
1541 ip->escape = 0;
1542 return;
1543
1544
1545 /* font width/height control */
1546 case '#':
1547 ip->escape = '#';
1548 return;
1549
1550
1551 /* hard terminal reset .. */
1552 case 'c':
1553 ite_reset (ip);
1554 SUBR_CURSOR(ip, MOVE_CURSOR);
1555 ip->escape = 0;
1556 return;
1557
1558
1559 case '7':
1560 ip->save_curx = ip->curx;
1561 ip->save_cury = ip->cury;
1562 ip->save_attribute = ip->attribute;
1563 ip->escape = 0;
1564 return;
1565
1566 case '8':
1567 ip->curx = ip->save_curx;
1568 ip->cury = ip->save_cury;
1569 ip->attribute = ip->save_attribute;
1570 SUBR_CURSOR(ip, MOVE_CURSOR);
1571 ip->escape = 0;
1572 return;
1573
1574 case '=':
1575 ip->keypad_appmode = 1;
1576 ip->escape = 0;
1577 return;
1578
1579 case '>':
1580 ip->keypad_appmode = 0;
1581 ip->escape = 0;
1582 return;
1583
1584 case 'Z': /* request ID */
1585 if (ip->emul_level == EMUL_VT100)
1586 ite_sendstr ("\033[?61;0c"); /* XXX not clean */
1587 else
1588 ite_sendstr ("\033[?63;0c"); /* XXX not clean */
1589 ip->escape = 0;
1590 return;
1591
1592 /* default catch all for not recognized ESC sequences */
1593 default:
1594 ip->escape = 0;
1595 return;
1596 }
1597 break;
1598
1599
1600 case '(':
1601 case ')':
1602 ip->escape = 0;
1603 return;
1604
1605
1606 case ' ':
1607 switch (c)
1608 {
1609 case 'F':
1610 ip->eightbit_C1 = 0;
1611 ip->escape = 0;
1612 return;
1613
1614 case 'G':
1615 ip->eightbit_C1 = 1;
1616 ip->escape = 0;
1617 return;
1618
1619 default:
1620 /* not supported */
1621 ip->escape = 0;
1622 return;
1623 }
1624 break;
1625
1626
1627 case '#':
1628 switch (c)
1629 {
1630 case '5':
1631 /* single height, single width */
1632 ip->escape = 0;
1633 return;
1634
1635 case '6':
1636 /* double width, single height */
1637 ip->escape = 0;
1638 return;
1639
1640 case '3':
1641 /* top half */
1642 ip->escape = 0;
1643 return;
1644
1645 case '4':
1646 /* bottom half */
1647 ip->escape = 0;
1648 return;
1649
1650 case '8':
1651 /* screen alignment pattern... */
1652 alignment_display (ip);
1653 ip->escape = 0;
1654 return;
1655
1656 default:
1657 ip->escape = 0;
1658 return;
1659 }
1660 break;
1661
1662
1663
1664 case CSI:
1665 /* the biggie... */
1666 switch (c)
1667 {
1668 case '0': case '1': case '2': case '3': case '4':
1669 case '5': case '6': case '7': case '8': case '9':
1670 case ';': case '\"': case '$': case '>':
1671 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1672 *ip->ap++ = c;
1673 return;
1674
1675 case BS:
1676 /* you wouldn't believe such perversion is possible?
1677 it is.. BS is allowed in between cursor sequences
1678 (at least), according to vttest.. */
1679 if (--ip->curx < 0)
1680 ip->curx = 0;
1681 else
1682 SUBR_CURSOR(ip, MOVE_CURSOR);
1683 break;
1684
1685 case 'p':
1686 *ip->ap = 0;
1687 if (! strncmp (ip->argbuf, "61\"", 3))
1688 ip->emul_level = EMUL_VT100;
1689 else if (! strncmp (ip->argbuf, "63;1\"", 5)
1690 || ! strncmp (ip->argbuf, "62;1\"", 5))
1691 ip->emul_level = EMUL_VT300_7;
1692 else
1693 ip->emul_level = EMUL_VT300_8;
1694 ip->escape = 0;
1695 return;
1696
1697
1698 case '?':
1699 *ip->ap = 0;
1700 ip->escape = '?';
1701 ip->ap = ip->argbuf;
1702 return;
1703
1704
1705 case 'c':
1706 *ip->ap = 0;
1707 if (ip->argbuf[0] == '>')
1708 {
1709 ite_sendstr ("\033[>24;0;0;0c");
1710 }
1711 else switch (ite_zargnum(ip))
1712 {
1713 case 0:
1714 /* primary DA request, send primary DA response */
1715 if (ip->emul_level == EMUL_VT100)
1716 ite_sendstr ("\033[?1;1c");
1717 else
1718 ite_sendstr ("\033[?63;1c");
1719 break;
1720 }
1721 ip->escape = 0;
1722 return;
1723
1724 case 'n':
1725 switch (ite_zargnum(ip))
1726 {
1727 case 5:
1728 ite_sendstr ("\033[0n"); /* no malfunction */
1729 break;
1730 case 6:
1731 /* cursor position report */
1732 sprintf (ip->argbuf, "\033[%d;%dR",
1733 ip->cury + 1, ip->curx + 1);
1734 ite_sendstr (ip->argbuf);
1735 break;
1736 }
1737 ip->escape = 0;
1738 return;
1739
1740
1741 case 'x':
1742 switch (ite_zargnum(ip))
1743 {
1744 case 0:
1745 /* Fake some terminal parameters. */
1746 ite_sendstr ("\033[2;1;1;112;112;1;0x");
1747 break;
1748 case 1:
1749 ite_sendstr ("\033[3;1;1;112;112;1;0x");
1750 break;
1751 }
1752 ip->escape = 0;
1753 return;
1754
1755
1756 case 'g':
1757 switch (ite_zargnum(ip))
1758 {
1759 case 0:
1760 if (ip->curx < ip->cols)
1761 ip->tabs[ip->curx] = 0;
1762 break;
1763 case 3:
1764 for (n = 0; n < ip->cols; n++)
1765 ip->tabs[n] = 0;
1766 break;
1767 }
1768 ip->escape = 0;
1769 return;
1770
1771
1772 case 'h': case 'l':
1773 n = ite_zargnum (ip);
1774 switch (n)
1775 {
1776 case 4:
1777 ip->imode = (c == 'h'); /* insert/replace mode */
1778 break;
1779 case 20:
1780 ip->linefeed_newline = (c == 'h');
1781 break;
1782 }
1783 ip->escape = 0;
1784 return;
1785
1786
1787 case 'M':
1788 ite_dnline (ip, ite_argnum (ip));
1789 ip->escape = 0;
1790 return;
1791
1792
1793 case 'L':
1794 ite_inline (ip, ite_argnum (ip));
1795 ip->escape = 0;
1796 return;
1797
1798
1799 case 'P':
1800 ite_dnchar (ip, ite_argnum (ip));
1801 ip->escape = 0;
1802 return;
1803
1804
1805 case '@':
1806 ite_inchar (ip, ite_argnum (ip));
1807 ip->escape = 0;
1808 return;
1809
1810
1811 case 'G':
1812 /* this one was *not* in my vt320 manual but in
1813 a vt320 termcap entry.. who is right?
1814 It's supposed to set the horizontal cursor position. */
1815 *ip->ap = 0;
1816 x = atoi (ip->argbuf);
1817 if (x) x--;
1818 ip->curx = min(x, ip->cols - 1);
1819 ip->escape = 0;
1820 SUBR_CURSOR(ip, MOVE_CURSOR);
1821 clr_attr (ip, ATTR_INV);
1822 return;
1823
1824
1825 case 'd':
1826 /* same thing here, this one's for setting the absolute
1827 vertical cursor position. Not documented... */
1828 *ip->ap = 0;
1829 y = atoi (ip->argbuf);
1830 if (y) y--;
1831 if (ip->inside_margins)
1832 y += ip->top_margin;
1833 ip->cury = min(y, ip->rows - 1);
1834 ip->escape = 0;
1835 snap_cury(ip);
1836 SUBR_CURSOR(ip, MOVE_CURSOR);
1837 clr_attr (ip, ATTR_INV);
1838 return;
1839
1840
1841 case 'H':
1842 case 'f':
1843 *ip->ap = 0;
1844 y = atoi (ip->argbuf);
1845 x = 0;
1846 cp = strchr(ip->argbuf, ';');
1847 if (cp)
1848 x = atoi (cp + 1);
1849 if (x) x--;
1850 if (y) y--;
1851 if (ip->inside_margins)
1852 y += ip->top_margin;
1853 ip->cury = min(y, ip->rows - 1);
1854 ip->curx = min(x, ip->cols - 1);
1855 ip->escape = 0;
1856 snap_cury(ip);
1857 SUBR_CURSOR(ip, MOVE_CURSOR);
1858 clr_attr (ip, ATTR_INV);
1859 return;
1860
1861 case 'A':
1862 n = ite_argnum (ip);
1863 n = ip->cury - (n ? n : 1);
1864 if (n < 0) n = 0;
1865 if (ip->inside_margins)
1866 n = max(ip->top_margin, n);
1867 else if (n == ip->top_margin - 1)
1868 /* allow scrolling outside region, but don't scroll out
1869 of active region without explicit CUP */
1870 n = ip->top_margin;
1871 ip->cury = n;
1872 ip->escape = 0;
1873 SUBR_CURSOR(ip, MOVE_CURSOR);
1874 clr_attr (ip, ATTR_INV);
1875 return;
1876
1877 case 'B':
1878 n = ite_argnum (ip);
1879 n = ip->cury + (n ? n : 1);
1880 n = min(ip->rows - 1, n);
1881 if (ip->inside_margins)
1882 n = min(ip->bottom_margin, n);
1883 else if (n == ip->bottom_margin + 1)
1884 /* allow scrolling outside region, but don't scroll out
1885 of active region without explicit CUP */
1886 n = ip->bottom_margin;
1887 ip->cury = n;
1888 ip->escape = 0;
1889 SUBR_CURSOR(ip, MOVE_CURSOR);
1890 clr_attr (ip, ATTR_INV);
1891 return;
1892
1893 case 'C':
1894 n = ite_argnum (ip);
1895 n = n ? n : 1;
1896 ip->curx = min(ip->curx + n, ip->cols - 1);
1897 ip->escape = 0;
1898 SUBR_CURSOR(ip, MOVE_CURSOR);
1899 clr_attr (ip, ATTR_INV);
1900 return;
1901
1902 case 'D':
1903 n = ite_argnum (ip);
1904 n = n ? n : 1;
1905 n = ip->curx - n;
1906 ip->curx = n >= 0 ? n : 0;
1907 ip->escape = 0;
1908 SUBR_CURSOR(ip, MOVE_CURSOR);
1909 clr_attr (ip, ATTR_INV);
1910 return;
1911
1912
1913
1914
1915 case 'J':
1916 *ip->ap = 0;
1917 n = ite_zargnum (ip);
1918 if (n == 0)
1919 ite_clrtoeos(ip);
1920 else if (n == 1)
1921 ite_clrtobos(ip);
1922 else if (n == 2)
1923 ite_clrscreen(ip);
1924 ip->escape = 0;
1925 return;
1926
1927
1928 case 'K':
1929 n = ite_zargnum (ip);
1930 if (n == 0)
1931 ite_clrtoeol(ip);
1932 else if (n == 1)
1933 ite_clrtobol(ip);
1934 else if (n == 2)
1935 ite_clrline(ip);
1936 ip->escape = 0;
1937 return;
1938
1939
1940 case 'X':
1941 n = ite_argnum(ip) - 1;
1942 n = min(n, ip->cols - 1 - ip->curx);
1943 for (; n >= 0; n--)
1944 {
1945 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1946 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1947 }
1948 ip->escape = 0;
1949 return;
1950
1951
1952 case '}': case '`':
1953 /* status line control */
1954 ip->escape = 0;
1955 return;
1956
1957
1958 case 'r':
1959 *ip->ap = 0;
1960 x = atoi (ip->argbuf);
1961 x = x ? x : 1;
1962 y = ip->rows;
1963 cp = strchr(ip->argbuf, ';');
1964 if (cp)
1965 {
1966 y = atoi (cp + 1);
1967 y = y ? y : ip->rows;
1968 }
1969 if (y - x < 2)
1970 {
1971 /* if illegal scrolling region, reset to defaults */
1972 x = 1;
1973 y = ip->rows;
1974 }
1975 x--;
1976 y--;
1977 ip->top_margin = min(x, ip->rows - 1);
1978 ip->bottom_margin = min(y, ip->rows - 1);
1979 if (ip->inside_margins)
1980 {
1981 ip->cury = ip->top_margin;
1982 ip->curx = 0;
1983 SUBR_CURSOR(ip, MOVE_CURSOR);
1984 }
1985 ip->escape = 0;
1986 return;
1987
1988
1989 case 'm':
1990 /* big attribute setter/resetter */
1991 {
1992 char *chp;
1993 *ip->ap = 0;
1994 /* kludge to make CSIm work (== CSI0m) */
1995 if (ip->ap == ip->argbuf)
1996 ip->ap++;
1997 for (chp = ip->argbuf; chp < ip->ap; )
1998 {
1999 switch (*chp)
2000 {
2001 case 0:
2002 case '0':
2003 clr_attr (ip, ATTR_ALL);
2004 chp++;
2005 break;
2006
2007 case '1':
2008 set_attr (ip, ATTR_BOLD);
2009 chp++;
2010 break;
2011
2012 case '2':
2013 switch (chp[1])
2014 {
2015 case '2':
2016 clr_attr (ip, ATTR_BOLD);
2017 chp += 2;
2018 break;
2019
2020 case '4':
2021 clr_attr (ip, ATTR_UL);
2022 chp += 2;
2023 break;
2024
2025 case '5':
2026 clr_attr (ip, ATTR_BLINK);
2027 chp += 2;
2028 break;
2029
2030 case '7':
2031 clr_attr (ip, ATTR_INV);
2032 chp += 2;
2033 break;
2034
2035 default:
2036 chp++;
2037 break;
2038 }
2039 break;
2040
2041 case '4':
2042 set_attr (ip, ATTR_UL);
2043 chp++;
2044 break;
2045
2046 case '5':
2047 set_attr (ip, ATTR_BLINK);
2048 chp++;
2049 break;
2050
2051 case '7':
2052 set_attr (ip, ATTR_INV);
2053 chp++;
2054 break;
2055
2056 default:
2057 chp++;
2058 break;
2059 }
2060 }
2061
2062 }
2063 ip->escape = 0;
2064 return;
2065
2066
2067 case 'u':
2068 /* DECRQTSR */
2069 ite_sendstr ("\033P\033\\");
2070 ip->escape = 0;
2071 return;
2072
2073
2074
2075 default:
2076 ip->escape = 0;
2077 return;
2078 }
2079 break;
2080
2081
2082
2083 case '?': /* CSI ? */
2084 switch (c)
2085 {
2086 case '0': case '1': case '2': case '3': case '4':
2087 case '5': case '6': case '7': case '8': case '9':
2088 case ';': case '\"': case '$':
2089 /* Don't fill the last character; it's needed. */
2090 /* XXX yeah, where ?? */
2091 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2092 *ip->ap++ = c;
2093 return;
2094
2095
2096 case 'n':
2097 *ip->ap = 0;
2098 if (ip->ap == &ip->argbuf[2])
2099 {
2100 if (! strncmp (ip->argbuf, "15", 2))
2101 /* printer status: no printer */
2102 ite_sendstr ("\033[13n");
2103
2104 else if (! strncmp (ip->argbuf, "25", 2))
2105 /* udk status */
2106 ite_sendstr ("\033[20n");
2107
2108 else if (! strncmp (ip->argbuf, "26", 2))
2109 /* keyboard dialect: US */
2110 ite_sendstr ("\033[27;1n");
2111 }
2112 ip->escape = 0;
2113 return;
2114
2115
2116 case 'h': case 'l':
2117 n = ite_zargnum (ip);
2118 switch (n)
2119 {
2120 case 1:
2121 ip->cursor_appmode = (c == 'h');
2122 break;
2123
2124 case 3:
2125 /* 132/80 columns (132 == 'h') */
2126 break;
2127
2128 case 4: /* smooth scroll */
2129 break;
2130
2131 case 5:
2132 /* light background (=='h') /dark background(=='l') */
2133 break;
2134
2135 case 6: /* origin mode */
2136 ip->inside_margins = (c == 'h');
2137 ip->curx = 0;
2138 ip->cury = ip->inside_margins ? ip->top_margin : 0;
2139 SUBR_CURSOR(ip, MOVE_CURSOR);
2140 break;
2141
2142 case 7: /* auto wraparound */
2143 ip->auto_wrap = (c == 'h');
2144 break;
2145
2146 case 8: /* keyboard repeat */
2147 ip->key_repeat = (c == 'h');
2148 break;
2149
2150 case 20: /* newline mode */
2151 ip->linefeed_newline = (c == 'h');
2152 break;
2153
2154 case 25: /* cursor on/off */
2155 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2156 break;
2157 }
2158 ip->escape = 0;
2159 return;
2160
2161 default:
2162 ip->escape = 0;
2163 return;
2164 }
2165 break;
2166
2167
2168 default:
2169 ip->escape = 0;
2170 return;
2171 }
2172 }
2173
2174 switch (c) {
2175
2176 case VT: /* VT is treated like LF */
2177 case FF: /* so is FF */
2178 case LF:
2179 /* cr->crlf distinction is done here, on output,
2180 not on input! */
2181 if (ip->linefeed_newline)
2182 ite_crlf (ip);
2183 else
2184 ite_lf (ip);
2185 break;
2186
2187 case CR:
2188 ite_cr (ip);
2189 break;
2190
2191 case BS:
2192 if (--ip->curx < 0)
2193 ip->curx = 0;
2194 else
2195 SUBR_CURSOR(ip, MOVE_CURSOR);
2196 break;
2197
2198 case HT:
2199 for (n = ip->curx + 1; n < ip->cols; n++) {
2200 if (ip->tabs[n]) {
2201 ip->curx = n;
2202 SUBR_CURSOR(ip, MOVE_CURSOR);
2203 break;
2204 }
2205 }
2206 break;
2207
2208 case BEL:
2209 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2210 kbdbell();
2211 break;
2212
2213 case SO:
2214 ip->GL = ip->G1;
2215 break;
2216
2217 case SI:
2218 ip->GL = ip->G0;
2219 break;
2220
2221 case ENQ:
2222 /* send answer-back message !! */
2223 break;
2224
2225 case CAN:
2226 ip->escape = 0; /* cancel any escape sequence in progress */
2227 break;
2228
2229 case SUB:
2230 ip->escape = 0; /* dito, but see below */
2231 /* should also display a reverse question mark!! */
2232 break;
2233
2234 case ESC:
2235 ip->escape = ESC;
2236 break;
2237
2238
2239 /* now it gets weird.. 8bit control sequences.. */
2240 case IND: /* index: move cursor down, scroll */
2241 ite_lf (ip);
2242 break;
2243
2244 case NEL: /* next line. next line, first pos. */
2245 ite_crlf (ip);
2246 break;
2247
2248 case HTS: /* set horizontal tab */
2249 if (ip->curx < ip->cols)
2250 ip->tabs[ip->curx] = 1;
2251 break;
2252
2253 case RI: /* reverse index */
2254 ite_rlf (ip);
2255 break;
2256
2257 case SS2: /* go into G2 for one character */
2258 /* not yet supported */
2259 break;
2260
2261 case SS3: /* go into G3 for one character */
2262 break;
2263
2264 case DCS: /* device control string introducer */
2265 ip->escape = DCS;
2266 ip->ap = ip->argbuf;
2267 break;
2268
2269 case CSI: /* control sequence introducer */
2270 ip->escape = CSI;
2271 ip->ap = ip->argbuf;
2272 break;
2273
2274 case ST: /* string terminator */
2275 /* ignore, if not used as terminator */
2276 break;
2277
2278 case OSC: /* introduces OS command. Ignore everything upto ST */
2279 ip->escape = OSC;
2280 break;
2281
2282 case PM: /* privacy message, ignore everything upto ST */
2283 ip->escape = PM;
2284 break;
2285
2286 case APC: /* application program command, ignore everything upto ST */
2287 ip->escape = APC;
2288 break;
2289
2290 default:
2291 if (c < ' ' || c == DEL)
2292 break;
2293 if (ip->imode)
2294 ite_inchar(ip, 1);
2295 iteprecheckwrap(ip);
2296 #ifdef DO_WEIRD_ATTRIBUTES
2297 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2298 attrset(ip, ATTR_INV);
2299 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2300 }
2301 else
2302 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2303 #else
2304 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2305 #endif
2306 SUBR_CURSOR(ip, DRAW_CURSOR);
2307 itecheckwrap(ip);
2308 break;
2309 }
2310 }
2311
2312 static void
2313 iteprecheckwrap(struct ite_softc *ip)
2314 {
2315 if (ip->auto_wrap && ip->curx == ip->cols) {
2316 ip->curx = 0;
2317 clr_attr(ip, ATTR_INV);
2318 if (++ip->cury >= ip->bottom_margin + 1) {
2319 ip->cury = ip->bottom_margin;
2320 SUBR_CURSOR(ip, MOVE_CURSOR);
2321 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2322 ite_clrtoeol(ip);
2323 } else
2324 SUBR_CURSOR(ip, MOVE_CURSOR);
2325 }
2326 }
2327
2328 static void
2329 itecheckwrap(struct ite_softc *ip)
2330 {
2331 if (ip->curx < ip->cols) {
2332 ip->curx++;
2333 SUBR_CURSOR(ip, MOVE_CURSOR);
2334 }
2335 }
2336