ite.c revision 1.40 1 /* $NetBSD: ite.c,v 1.40 2003/07/15 01:19:50 lukem Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * from: Utah Hdr: ite.c 1.1 90/07/09
41 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91
42 */
43
44 /*
45 * ite - bitmapped terminal.
46 * Supports VT200, a few terminal features will be unavailable until
47 * the system actually probes the device (i.e. not after consinit())
48 */
49
50 #include <sys/cdefs.h>
51 __KERNEL_RCSID(0, "$NetBSD: ite.c,v 1.40 2003/07/15 01:19:50 lukem Exp $");
52
53 #include "opt_ddb.h"
54
55 #include <sys/param.h>
56 #include <sys/kernel.h>
57 #include <sys/conf.h>
58 #include <sys/device.h>
59 #include <sys/malloc.h>
60 #include <sys/fcntl.h>
61 #include <sys/ioctl.h>
62 #include <sys/tty.h>
63 #include <sys/termios.h>
64 #include <sys/systm.h>
65 #include <sys/callout.h>
66 #include <sys/proc.h>
67 #include <dev/cons.h>
68
69 #include <machine/cpu.h>
70
71 #include <atari/atari/device.h>
72 #include <atari/dev/event_var.h>
73 #include <atari/dev/kbdmap.h>
74 #include <atari/dev/kbdvar.h>
75 #include <atari/dev/iteioctl.h>
76 #include <atari/dev/itevar.h>
77 #include <atari/dev/grfioctl.h>
78 #include <atari/dev/grfabs_reg.h>
79 #include <atari/dev/grfvar.h>
80 #include <atari/dev/viewioctl.h>
81 #include <atari/dev/viewvar.h>
82
83 #define ITEUNIT(dev) (minor(dev))
84
85 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
86 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
87 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
88 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
89 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
90 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir)
91
92 u_int ite_confunits; /* configured units */
93
94 int start_repeat_timeo = 30; /* first repeat after x s/100 */
95 int next_repeat_timeo = 10; /* next repeat after x s/100 */
96
97 /*
98 * Patchable
99 */
100 int ite_default_x = 0; /* def leftedge offset */
101 int ite_default_y = 0; /* def topedge offset */
102 int ite_default_width = 640; /* def width */
103 int ite_default_depth = 1; /* def depth */
104 int ite_default_height = 400; /* def height */
105 int ite_default_wrap = 1; /* if you want vtxxx-nam -> binpatch */
106
107 struct ite_softc con_itesoftc;
108 u_char cons_tabs[MAX_TABS];
109
110 struct ite_softc *kbd_ite;
111 int kbd_init;
112
113 static __inline__ int atoi __P((const char *));
114 static __inline__ int ite_argnum __P((struct ite_softc *));
115 static __inline__ int ite_zargnum __P((struct ite_softc *));
116 static __inline__ void ite_cr __P((struct ite_softc *));
117 static __inline__ void ite_crlf __P((struct ite_softc *));
118 static __inline__ void ite_clrline __P((struct ite_softc *));
119 static __inline__ void ite_clrscreen __P((struct ite_softc *));
120 static __inline__ void ite_clrtobos __P((struct ite_softc *));
121 static __inline__ void ite_clrtobol __P((struct ite_softc *));
122 static __inline__ void ite_clrtoeol __P((struct ite_softc *));
123 static __inline__ void ite_clrtoeos __P((struct ite_softc *));
124 static __inline__ void ite_dnchar __P((struct ite_softc *, int));
125 static __inline__ void ite_inchar __P((struct ite_softc *, int));
126 static __inline__ void ite_inline __P((struct ite_softc *, int));
127 static __inline__ void ite_lf __P((struct ite_softc *));
128 static __inline__ void ite_dnline __P((struct ite_softc *, int));
129 static __inline__ void ite_rlf __P((struct ite_softc *));
130 static __inline__ void ite_sendstr __P((char *));
131 static __inline__ void snap_cury __P((struct ite_softc *));
132
133 static void alignment_display __P((struct ite_softc *));
134 static char *index __P((const char *, int));
135 static struct ite_softc *getitesp __P((dev_t));
136 static void itecheckwrap __P((struct ite_softc *));
137 static void iteprecheckwrap __P((struct ite_softc *));
138 static void itestart __P((struct tty *));
139 static void ite_switch __P((int));
140 static void repeat_handler __P((void *));
141
142 void iteputchar __P((int c, struct ite_softc *ip));
143 void ite_putstr __P((const u_char * s, int len, dev_t dev));
144 void iteattach __P((struct device *, struct device *, void *));
145 int itematch __P((struct device *, struct cfdata *, void *));
146
147 /*
148 * Console specific types.
149 */
150 dev_type_cnprobe(itecnprobe);
151 dev_type_cninit(itecninit);
152 dev_type_cngetc(itecngetc);
153 dev_type_cnputc(itecnputc);
154
155 CFATTACH_DECL(ite, sizeof(struct ite_softc),
156 itematch, iteattach, NULL, NULL);
157
158 extern struct cfdriver ite_cd;
159
160 dev_type_open(iteopen);
161 dev_type_close(iteclose);
162 dev_type_read(iteread);
163 dev_type_write(itewrite);
164 dev_type_ioctl(iteioctl);
165 dev_type_tty(itetty);
166 dev_type_poll(itepoll);
167
168 const struct cdevsw ite_cdevsw = {
169 iteopen, iteclose, iteread, itewrite, iteioctl,
170 nostop, itetty, itepoll, nommap, ttykqfilter, D_TTY
171 };
172
173 /*
174 * Keep track of the device number of the ite console. Only used in the
175 * itematch/iteattach functions.
176 */
177 static int cons_ite = -1;
178
179 int
180 itematch(pdp, cfp, auxp)
181 struct device *pdp;
182 struct cfdata *cfp;
183 void *auxp;
184 {
185 static int nmatches = 0;
186
187 /*
188 * Handle early console stuff. The first cf_unit number
189 * matches the console unit. All other early matches will fail.
190 */
191 if (atari_realconfig == 0) {
192 if (cons_ite >= 0)
193 return 0;
194 cons_ite = cfp->cf_unit;
195 return 1;
196 }
197
198 /*
199 * all that our mask allows (more than enough no one
200 * has > 32 monitors for text consoles on one machine)
201 */
202 if (nmatches >= sizeof(ite_confunits) * NBBY)
203 return 0; /* checks STAR */
204 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY)
205 return 0; /* refuses ite100 at .... */
206 nmatches++;
207 return 1;
208 }
209
210 void
211 iteattach(pdp, dp, auxp)
212 struct device *pdp, *dp;
213 void *auxp;
214 {
215 struct grf_softc *gp;
216 struct ite_softc *ip;
217 int s;
218 int maj, unit;
219
220 gp = (struct grf_softc *)auxp;
221 ip = (struct ite_softc *)dp;
222
223 maj = cdevsw_lookup_major(&ite_cdevsw);
224 unit = (dp != NULL) ? ip->device.dv_unit : cons_ite;
225 gp->g_itedev = makedev(maj, unit);
226
227 if(dp) {
228
229 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
230
231 s = spltty();
232 if(con_itesoftc.grf != NULL
233 && con_itesoftc.grf->g_unit == gp->g_unit) {
234 /*
235 * console reinit copy params over.
236 * and console always gets keyboard
237 */
238 bcopy(&con_itesoftc.grf, &ip->grf,
239 (char *)&ip[1] - (char *)&ip->grf);
240 con_itesoftc.grf = NULL;
241 kbd_ite = ip;
242 }
243 ip->grf = gp;
244 splx(s);
245
246 iteinit(gp->g_itedev);
247 printf(": %dx%d", ip->rows, ip->cols);
248 printf(" repeat at (%d/100)s next at (%d/100)s",
249 start_repeat_timeo, next_repeat_timeo);
250
251 if (kbd_ite == NULL)
252 kbd_ite = ip;
253 if (kbd_ite == ip)
254 printf(" has keyboard");
255 printf("\n");
256 } else {
257 if (con_itesoftc.grf != NULL &&
258 con_itesoftc.grf->g_conpri > gp->g_conpri)
259 return;
260 con_itesoftc.grf = gp;
261 con_itesoftc.tabs = cons_tabs;
262 }
263 }
264
265 static struct ite_softc *
266 getitesp(dev)
267 dev_t dev;
268 {
269 if(atari_realconfig && (con_itesoftc.grf == NULL))
270 return(ite_cd.cd_devs[ITEUNIT(dev)]);
271
272 if(con_itesoftc.grf == NULL)
273 panic("no ite_softc for console");
274 return(&con_itesoftc);
275 }
276
277 /*
278 * cons.c entry points into ite device.
279 */
280
281 /*
282 * Return a priority in consdev->cn_pri field highest wins. This function
283 * is called before any devices have been probed.
284 */
285 void
286 itecnprobe(cd)
287 struct consdev *cd;
288 {
289 /*
290 * return priority of the best ite (already picked from attach)
291 * or CN_DEAD.
292 */
293 if (con_itesoftc.grf == NULL)
294 cd->cn_pri = CN_DEAD;
295 else {
296 cd->cn_pri = con_itesoftc.grf->g_conpri;
297 cd->cn_dev = con_itesoftc.grf->g_itedev;
298 }
299 }
300
301 void
302 itecninit(cd)
303 struct consdev *cd;
304 {
305 struct ite_softc *ip;
306
307 ip = getitesp(cd->cn_dev);
308 ip->flags |= ITE_ISCONS;
309 iteinit(cd->cn_dev);
310 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
311 }
312
313 /*
314 * ite_cnfinish() is called in ite_init() when the device is
315 * being probed in the normal fasion, thus we can finish setting
316 * up this ite now that the system is more functional.
317 */
318 void
319 ite_cnfinish(ip)
320 struct ite_softc *ip;
321 {
322 static int done;
323
324 if (done)
325 return;
326 done = 1;
327 }
328
329 int
330 itecngetc(dev)
331 dev_t dev;
332 {
333 int c;
334
335 do {
336 c = kbdgetcn();
337 c = ite_cnfilter(c, ITEFILT_CONSOLE);
338 } while (c == -1);
339 return (c);
340 }
341
342 void
343 itecnputc(dev, c)
344 dev_t dev;
345 int c;
346 {
347 static int paniced;
348 struct ite_softc *ip;
349 char ch;
350
351 ip = getitesp(dev);
352 ch = c;
353
354 if (panicstr && !paniced &&
355 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
356 (void)ite_on(dev, 3);
357 paniced = 1;
358 }
359 SUBR_CURSOR(ip, START_CURSOROPT);
360 iteputchar(ch, ip);
361 SUBR_CURSOR(ip, END_CURSOROPT);
362 }
363
364 /*
365 * standard entry points to the device.
366 */
367
368 /*
369 * iteinit() is the standard entry point for initialization of
370 * an ite device, it is also called from itecninit().
371 *
372 */
373 void
374 iteinit(dev)
375 dev_t dev;
376 {
377 struct ite_softc *ip;
378
379 ip = getitesp(dev);
380 if (ip->flags & ITE_INITED)
381 return;
382 if (atari_realconfig) {
383 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap)
384 free(ip->kbdmap, M_DEVBUF);
385 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK);
386 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap));
387 }
388 else ip->kbdmap = &ascii_kbdmap;
389
390 ip->cursorx = 0;
391 ip->cursory = 0;
392 SUBR_INIT(ip);
393 SUBR_CURSOR(ip, DRAW_CURSOR);
394 if (ip->tabs == NULL)
395 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
396 ite_reset(ip);
397 ip->flags |= ITE_INITED;
398 }
399
400 int
401 iteopen(dev, mode, devtype, p)
402 dev_t dev;
403 int mode, devtype;
404 struct proc *p;
405 {
406 struct ite_softc *ip;
407 struct tty *tp;
408 int error, first, unit;
409
410 unit = ITEUNIT(dev);
411 first = 0;
412
413 if (((1 << unit) & ite_confunits) == 0)
414 return (ENXIO);
415
416 ip = getitesp(dev);
417
418 if (ip->tp == NULL) {
419 tp = ip->tp = ttymalloc();
420 tty_attach(tp);
421 }
422 else tp = ip->tp;
423
424 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
425 && p->p_ucred->cr_uid != 0)
426 return (EBUSY);
427 if ((ip->flags & ITE_ACTIVE) == 0) {
428 error = ite_on(dev, 0);
429 if (error)
430 return (error);
431 first = 1;
432 }
433 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) {
434 tp->t_oproc = itestart;
435 tp->t_param = ite_param;
436 tp->t_dev = dev;
437 tp->t_iflag = TTYDEF_IFLAG;
438 tp->t_oflag = TTYDEF_OFLAG;
439 tp->t_cflag = TTYDEF_CFLAG;
440 tp->t_lflag = TTYDEF_LFLAG;
441 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
442 tp->t_state = TS_CARR_ON;
443 ttychars(tp);
444 ttsetwater(tp);
445 }
446
447
448 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0);
449 if (error)
450 goto bad;
451
452 error = (*tp->t_linesw->l_open) (dev, tp);
453 if (error)
454 goto bad;
455
456 tp->t_winsize.ws_row = ip->rows;
457 tp->t_winsize.ws_col = ip->cols;
458 if (!kbd_init) {
459 kbd_init = 1;
460 kbdenable();
461 }
462 return (0);
463
464
465 bad:
466 if (first)
467 ite_off(dev, 0);
468
469 return (error);
470 }
471
472 int
473 iteclose(dev, flag, mode, p)
474 dev_t dev;
475 int flag, mode;
476 struct proc *p;
477 {
478 struct tty *tp;
479
480 tp = getitesp(dev)->tp;
481
482 KDASSERT(tp);
483 (*tp->t_linesw->l_close) (tp, flag);
484 ttyclose(tp);
485 ite_off(dev, 0);
486 return (0);
487 }
488
489 int
490 iteread(dev, uio, flag)
491 dev_t dev;
492 struct uio *uio;
493 int flag;
494 {
495 struct tty *tp;
496
497 tp = getitesp(dev)->tp;
498
499 KDASSERT(tp);
500 return ((*tp->t_linesw->l_read) (tp, uio, flag));
501 }
502
503 int
504 itewrite(dev, uio, flag)
505 dev_t dev;
506 struct uio *uio;
507 int flag;
508 {
509 struct tty *tp;
510
511 tp = getitesp(dev)->tp;
512
513 KDASSERT(tp);
514 return ((*tp->t_linesw->l_write) (tp, uio, flag));
515 }
516
517 int
518 itepoll(dev, events, p)
519 dev_t dev;
520 int events;
521 struct proc *p;
522 {
523 struct tty *tp;
524
525 tp = getitesp(dev)->tp;
526
527 KDASSERT(tp);
528 return ((*tp->t_linesw->l_poll)(tp, events, p));
529 }
530
531 struct tty *
532 itetty(dev)
533 dev_t dev;
534 {
535 return(getitesp(dev)->tp);
536 }
537
538 int
539 iteioctl(dev, cmd, addr, flag, p)
540 dev_t dev;
541 u_long cmd;
542 int flag;
543 caddr_t addr;
544 struct proc *p;
545 {
546 struct iterepeat *irp;
547 struct ite_softc *ip;
548 struct tty *tp;
549 view_t *view;
550 struct itewinsize *is;
551 struct itebell *ib;
552 int error;
553
554 ip = getitesp(dev);
555 tp = ip->tp;
556 view = viewview(ip->grf->g_viewdev);
557
558 KDASSERT(tp);
559
560 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, p);
561 if(error != EPASSTHROUGH)
562 return (error);
563
564 error = ttioctl(tp, cmd, addr, flag, p);
565 if (error != EPASSTHROUGH)
566 return (error);
567
568 switch (cmd) {
569 case ITEIOCSKMAP:
570 if (addr == NULL)
571 return(EFAULT);
572 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap));
573 return 0;
574 case ITEIOCSSKMAP:
575 if (addr == NULL)
576 return(EFAULT);
577 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap));
578 return 0;
579 case ITEIOCGKMAP:
580 if (addr == NULL)
581 return(EFAULT);
582 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap));
583 return 0;
584 case ITEIOCGREPT:
585 if (addr == NULL)
586 return(EFAULT);
587 irp = (struct iterepeat *)addr;
588 irp->start = start_repeat_timeo;
589 irp->next = next_repeat_timeo;
590 return 0;
591 case ITEIOCSREPT:
592 if (addr == NULL)
593 return(EFAULT);
594 irp = (struct iterepeat *)addr;
595 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT)
596 return(EINVAL);
597 start_repeat_timeo = irp->start;
598 next_repeat_timeo = irp->next;
599 return 0;
600 case ITEIOCGWINSZ:
601 if (addr == NULL)
602 return(EFAULT);
603 is = (struct itewinsize *)addr;
604 is->x = view->display.x;
605 is->y = view->display.y;
606 is->width = view->display.width;
607 is->height = view->display.height;
608 is->depth = view->bitmap->depth;
609 return 0;
610 case ITEIOCDSPWIN:
611 ip->grf->g_mode(ip->grf, GM_GRFON, NULL, 0, 0);
612 return 0;
613 case ITEIOCREMWIN:
614 ip->grf->g_mode(ip->grf, GM_GRFOFF, NULL, 0, 0);
615 return 0;
616 case ITEIOCSBELL:
617 if (addr == NULL)
618 return(EFAULT);
619 ib = (struct itebell *)addr;
620 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec);
621 return 0;
622 case ITEIOCGBELL:
623 if (addr == NULL)
624 return(EFAULT);
625 ib = (struct itebell *)addr;
626 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec);
627 return 0;
628 }
629 return (ip->itexx_ioctl)(ip, cmd, addr, flag, p);
630 }
631
632 void
633 itestart(tp)
634 struct tty *tp;
635 {
636 struct clist *rbp;
637 struct ite_softc *ip;
638 u_char buf[ITEBURST];
639 int s, len;
640
641 ip = getitesp(tp->t_dev);
642
643 KDASSERT(tp);
644
645 s = spltty(); {
646 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
647 goto out;
648
649 tp->t_state |= TS_BUSY;
650 rbp = &tp->t_outq;
651
652 len = q_to_b(rbp, buf, ITEBURST);
653 } splx(s);
654
655 /* Here is a really good place to implement pre/jumpscroll() */
656 ite_putstr((char *)buf, len, tp->t_dev);
657
658 s = spltty(); {
659 tp->t_state &= ~TS_BUSY;
660 /* we have characters remaining. */
661 if (rbp->c_cc) {
662 tp->t_state |= TS_TIMEOUT;
663 callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp);
664 }
665 /* wakeup we are below */
666 if (rbp->c_cc <= tp->t_lowat) {
667 if (tp->t_state & TS_ASLEEP) {
668 tp->t_state &= ~TS_ASLEEP;
669 wakeup((caddr_t) rbp);
670 }
671 selwakeup(&tp->t_wsel);
672 }
673 out: ;
674 } splx(s);
675 }
676
677 int
678 ite_on(dev, flag)
679 dev_t dev;
680 int flag;
681 {
682 struct ite_softc *ip;
683 int unit;
684
685 unit = ITEUNIT(dev);
686 if (((1 << unit) & ite_confunits) == 0)
687 return (ENXIO);
688
689 ip = getitesp(dev);
690
691 /* force ite active, overriding graphics mode */
692 if (flag & 1) {
693 ip->flags |= ITE_ACTIVE;
694 ip->flags &= ~(ITE_INGRF | ITE_INITED);
695 }
696 /* leave graphics mode */
697 if (flag & 2) {
698 ip->flags &= ~ITE_INGRF;
699 if ((ip->flags & ITE_ACTIVE) == 0)
700 return (0);
701 }
702 ip->flags |= ITE_ACTIVE;
703 if (ip->flags & ITE_INGRF)
704 return (0);
705 iteinit(dev);
706 return (0);
707 }
708
709 void
710 ite_off(dev, flag)
711 dev_t dev;
712 int flag;
713 {
714 struct ite_softc *ip;
715
716 ip = getitesp(dev);
717 if (flag & 2)
718 ip->flags |= ITE_INGRF;
719 if ((ip->flags & ITE_ACTIVE) == 0)
720 return;
721 if ((flag & 1) ||
722 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
723 SUBR_DEINIT(ip);
724 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
725 ip->flags &= ~ITE_ACTIVE;
726 }
727
728 static void
729 ite_switch(unit)
730 int unit;
731 {
732 struct ite_softc *ip;
733 extern const struct cdevsw view_cdevsw;
734
735 if(!(ite_confunits & (1 << unit)))
736 return; /* Don't try unconfigured units */
737 ip = getitesp(unit);
738 if(!(ip->flags & ITE_INITED))
739 return;
740
741 /*
742 * If switching to an active ite, also switch the keyboard.
743 */
744 if(ip->flags & ITE_ACTIVE)
745 kbd_ite = ip;
746
747 /*
748 * Now make it visible
749 */
750 (*view_cdevsw.d_ioctl)(ip->grf->g_viewdev, VIOCDISPLAY, NULL,
751 0, NOPROC);
752
753 /*
754 * Make sure the cursor's there too....
755 */
756 SUBR_CURSOR(ip, DRAW_CURSOR);
757 }
758
759 /* XXX called after changes made in underlying grf layer. */
760 /* I want to nuke this */
761 void
762 ite_reinit(dev)
763 dev_t dev;
764 {
765 struct ite_softc *ip;
766
767 ip = getitesp(dev);
768 ip->flags &= ~ITE_INITED;
769 iteinit(dev);
770 }
771
772 int
773 ite_param(tp, t)
774 struct tty *tp;
775 struct termios *t;
776 {
777 tp->t_ispeed = t->c_ispeed;
778 tp->t_ospeed = t->c_ospeed;
779 tp->t_cflag = t->c_cflag;
780 return (0);
781 }
782
783 void
784 ite_reset(ip)
785 struct ite_softc *ip;
786 {
787 int i;
788
789 ip->curx = 0;
790 ip->cury = 0;
791 ip->attribute = ATTR_NOR;
792 ip->save_curx = 0;
793 ip->save_cury = 0;
794 ip->save_attribute = ATTR_NOR;
795 ip->ap = ip->argbuf;
796 ip->emul_level = 0;
797 ip->eightbit_C1 = 0;
798 ip->top_margin = 0;
799 ip->bottom_margin = ip->rows - 1;
800 ip->inside_margins = 0;
801 ip->linefeed_newline = 0;
802 ip->auto_wrap = ite_default_wrap;
803 ip->cursor_appmode = 0;
804 ip->keypad_appmode = 0;
805 ip->imode = 0;
806 ip->key_repeat = 1;
807 bzero(ip->tabs, ip->cols);
808 for (i = 0; i < ip->cols; i++)
809 ip->tabs[i] = ((i & 7) == 0);
810 }
811
812 /*
813 * has to be global because of the shared filters.
814 */
815 static u_char last_dead;
816
817 /*
818 * Used in console at startup only and for DDB.
819 */
820 int
821 ite_cnfilter(c, caller)
822 u_int c;
823 enum caller caller;
824 {
825 struct key key;
826 struct kbdmap *kbdmap;
827 u_char code, up, mask;
828 int s;
829
830 up = KBD_RELEASED(c);
831 c = KBD_SCANCODE(c);
832 code = 0;
833 mask = 0;
834 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap;
835
836 s = spltty();
837
838 /*
839 * No special action if key released
840 */
841 if(up) {
842 splx(s);
843 return -1;
844 }
845
846 /* translate modifiers */
847 if(kbd_modifier & KBD_MOD_SHIFT) {
848 if(kbd_modifier & KBD_MOD_ALT)
849 key = kbdmap->alt_shift_keys[c];
850 else key = kbdmap->shift_keys[c];
851 }
852 else if(kbd_modifier & KBD_MOD_ALT)
853 key = kbdmap->alt_keys[c];
854 else {
855 key = kbdmap->keys[c];
856 /*
857 * If CAPS and key is CAPable (no pun intended)
858 */
859 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
860 key = kbdmap->shift_keys[c];
861 }
862 code = key.code;
863
864 #ifdef notyet /* LWP: Didn't have time to look at this yet */
865 /*
866 * If string return simple console filter
867 */
868 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
869 splx(s);
870 return -1;
871 }
872 /* handle dead keys */
873 if(key->mode & KBD_MODE_DEAD) {
874 /* if entered twice, send accent itself */
875 if (last_dead == key->mode & KBD_MODE_ACCMASK)
876 last_dead = 0;
877 else {
878 last_dead = key->mode & KBD_MODE_ACCMASK;
879 splx(s);
880 return -1;
881 }
882 }
883 if(last_dead) {
884 /* can't apply dead flag to string-keys */
885 if (code >= '@' && code < 0x7f)
886 code =
887 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
888 last_dead = 0;
889 }
890 #endif
891 if(kbd_modifier & KBD_MOD_CTRL)
892 code &= 0x1f;
893
894 /*
895 * Do console mapping.
896 */
897 code = code == '\r' ? '\n' : code;
898
899 splx(s);
900 return (code);
901 }
902
903 /* And now the old stuff. */
904
905 /* these are used to implement repeating keys.. */
906 static u_int last_char;
907 static u_char tout_pending;
908
909 static struct callout repeat_ch = CALLOUT_INITIALIZER;
910
911 /*ARGSUSED*/
912 static void
913 repeat_handler(arg)
914 void *arg;
915 {
916 tout_pending = 0;
917 if(last_char)
918 add_sicallback((si_farg)ite_filter, (void *)last_char,
919 (void *)ITEFILT_REPEATER);
920 }
921
922 void
923 ite_filter(c, caller)
924 u_int c;
925 enum caller caller;
926 {
927 struct tty *kbd_tty;
928 struct kbdmap *kbdmap;
929 u_char code, *str, up, mask;
930 struct key key;
931 int s, i;
932
933 if(kbd_ite == NULL)
934 return;
935
936 kbd_tty = kbd_ite->tp;
937 kbdmap = kbd_ite->kbdmap;
938
939 up = KBD_RELEASED(c);
940 c = KBD_SCANCODE(c);
941 code = 0;
942 mask = 0;
943
944 /* have to make sure we're at spltty in here */
945 s = spltty();
946
947 /*
948 * keyboard interrupts come at priority 2, while softint
949 * generated keyboard-repeat interrupts come at level 1. So,
950 * to not allow a key-up event to get thru before a repeat for
951 * the key-down, we remove any outstanding callout requests..
952 */
953 rem_sicallback((si_farg)ite_filter);
954
955 /*
956 * Stop repeating on up event
957 */
958 if (up) {
959 if(tout_pending) {
960 callout_stop(&repeat_ch);
961 tout_pending = 0;
962 last_char = 0;
963 }
964 splx(s);
965 return;
966 }
967 else if(tout_pending && last_char != c) {
968 /*
969 * Different character, stop also
970 */
971 callout_stop(&repeat_ch);
972 tout_pending = 0;
973 last_char = 0;
974 }
975
976 /*
977 * Handle ite-switching ALT + Fx
978 */
979 if((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
980 ite_switch(c - 0x3b);
981 splx(s);
982 return;
983 }
984 /*
985 * Safety button, switch back to ascii keymap.
986 */
987 if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
988 /* ALT + LSHIFT + F1 */
989 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap));
990 splx(s);
991 return;
992 #ifdef DDB
993 }
994 else if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) {
995 /*
996 * ALT + LSHIFT + F9 -> Debugger!
997 */
998 Debugger();
999 splx(s);
1000 return;
1001 #endif
1002 }
1003
1004 /*
1005 * The rest of the code is senseless when the device is not open.
1006 */
1007 if(kbd_tty == NULL) {
1008 splx(s);
1009 return;
1010 }
1011
1012 /*
1013 * Translate modifiers
1014 */
1015 if(kbd_modifier & KBD_MOD_SHIFT) {
1016 if(kbd_modifier & KBD_MOD_ALT)
1017 key = kbdmap->alt_shift_keys[c];
1018 else key = kbdmap->shift_keys[c];
1019 }
1020 else if(kbd_modifier & KBD_MOD_ALT)
1021 key = kbdmap->alt_keys[c];
1022 else {
1023 key = kbdmap->keys[c];
1024 /*
1025 * If CAPS and key is CAPable (no pun intended)
1026 */
1027 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
1028 key = kbdmap->shift_keys[c];
1029 }
1030 code = key.code;
1031
1032 /*
1033 * Arrange to repeat the keystroke. By doing this at the level
1034 * of scan-codes, we can have function keys, and keys that
1035 * send strings, repeat too. This also entitles an additional
1036 * overhead, since we have to do the conversion each time, but
1037 * I guess that's ok.
1038 */
1039 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
1040 tout_pending = 1;
1041 last_char = c;
1042 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100,
1043 repeat_handler, NULL);
1044 }
1045 else if(!tout_pending && caller==ITEFILT_REPEATER
1046 && kbd_ite->key_repeat) {
1047 tout_pending = 1;
1048 last_char = c;
1049 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100,
1050 repeat_handler, NULL);
1051 }
1052 /* handle dead keys */
1053 if (key.mode & KBD_MODE_DEAD) {
1054 /* if entered twice, send accent itself */
1055 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
1056 last_dead = 0;
1057 else {
1058 last_dead = key.mode & KBD_MODE_ACCMASK;
1059 splx(s);
1060 return;
1061 }
1062 }
1063 if (last_dead) {
1064 /* can't apply dead flag to string-keys */
1065 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
1066 code < 0x7f)
1067 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
1068 last_dead = 0;
1069 }
1070
1071 /*
1072 * If not string, apply CTRL modifiers
1073 */
1074 if(!(key.mode & KBD_MODE_STRING)
1075 && (!(key.mode & KBD_MODE_KPAD)
1076 || (kbd_ite && !kbd_ite->keypad_appmode))) {
1077 if(kbd_modifier & KBD_MOD_CTRL)
1078 code &= 0x1f;
1079 }
1080 else if((key.mode & KBD_MODE_KPAD)
1081 && (kbd_ite && kbd_ite->keypad_appmode)) {
1082 static char *in = "0123456789-+.\r()/*";
1083 static char *out = "pqrstuvwxymlnMPQRS";
1084 char *cp = index(in, code);
1085
1086 /*
1087 * keypad-appmode sends SS3 followed by the above
1088 * translated character
1089 */
1090 kbd_tty->t_linesw->l_rint(27, kbd_tty);
1091 kbd_tty->t_linesw->l_rint('O', kbd_tty);
1092 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
1093 splx(s);
1094 return;
1095 } else {
1096 /* *NO* I don't like this.... */
1097 static u_char app_cursor[] =
1098 {
1099 3, 27, 'O', 'A',
1100 3, 27, 'O', 'B',
1101 3, 27, 'O', 'C',
1102 3, 27, 'O', 'D'};
1103
1104 str = kbdmap->strings + code;
1105 /*
1106 * if this is a cursor key, AND it has the default
1107 * keymap setting, AND we're in app-cursor mode, switch
1108 * to the above table. This is *nasty* !
1109 */
1110 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50))
1111 && kbd_ite->cursor_appmode
1112 && !bcmp(str, "\x03\x1b[", 3) &&
1113 index("ABCD", str[3]))
1114 str = app_cursor + 4 * (str[3] - 'A');
1115
1116 /*
1117 * using a length-byte instead of 0-termination allows
1118 * to embed \0 into strings, although this is not used
1119 * in the default keymap
1120 */
1121 for (i = *str++; i; i--)
1122 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1123 splx(s);
1124 return;
1125 }
1126 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1127
1128 splx(s);
1129 return;
1130 }
1131
1132 /* helper functions, makes the code below more readable */
1133 static __inline__ void
1134 ite_sendstr(str)
1135 char *str;
1136 {
1137 struct tty *kbd_tty;
1138
1139 kbd_tty = kbd_ite->tp;
1140 KDASSERT(kbd_tty);
1141 while (*str)
1142 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1143 }
1144
1145 static void
1146 alignment_display(ip)
1147 struct ite_softc *ip;
1148 {
1149 int i, j;
1150
1151 for (j = 0; j < ip->rows; j++)
1152 for (i = 0; i < ip->cols; i++)
1153 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1154 attrclr(ip, 0, 0, ip->rows, ip->cols);
1155 SUBR_CURSOR(ip, DRAW_CURSOR);
1156 }
1157
1158 static __inline__ void
1159 snap_cury(ip)
1160 struct ite_softc *ip;
1161 {
1162 if (ip->inside_margins)
1163 {
1164 if (ip->cury < ip->top_margin)
1165 ip->cury = ip->top_margin;
1166 if (ip->cury > ip->bottom_margin)
1167 ip->cury = ip->bottom_margin;
1168 }
1169 }
1170
1171 static __inline__ void
1172 ite_dnchar(ip, n)
1173 struct ite_softc *ip;
1174 int n;
1175 {
1176 n = min(n, ip->cols - ip->curx);
1177 if (n < ip->cols - ip->curx)
1178 {
1179 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1180 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1181 1, ip->cols - ip->curx - n);
1182 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1183 }
1184 while (n-- > 0)
1185 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1186 SUBR_CURSOR(ip, DRAW_CURSOR);
1187 }
1188
1189 static __inline__ void
1190 ite_inchar(ip, n)
1191 struct ite_softc *ip;
1192 int n;
1193 {
1194 n = min(n, ip->cols - ip->curx);
1195 if (n < ip->cols - ip->curx)
1196 {
1197 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1198 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1199 1, ip->cols - ip->curx - n);
1200 attrclr(ip, ip->cury, ip->curx, 1, n);
1201 }
1202 while (n--)
1203 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1204 SUBR_CURSOR(ip, DRAW_CURSOR);
1205 }
1206
1207 static __inline__ void
1208 ite_clrtoeol(ip)
1209 struct ite_softc *ip;
1210 {
1211 int y = ip->cury, x = ip->curx;
1212 if (ip->cols - x > 0)
1213 {
1214 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1215 attrclr(ip, y, x, 1, ip->cols - x);
1216 SUBR_CURSOR(ip, DRAW_CURSOR);
1217 }
1218 }
1219
1220 static __inline__ void
1221 ite_clrtobol(ip)
1222 struct ite_softc *ip;
1223 {
1224 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1225 SUBR_CLEAR(ip, y, 0, 1, x);
1226 attrclr(ip, y, 0, 1, x);
1227 SUBR_CURSOR(ip, DRAW_CURSOR);
1228 }
1229
1230 static __inline__ void
1231 ite_clrline(ip)
1232 struct ite_softc *ip;
1233 {
1234 int y = ip->cury;
1235 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1236 attrclr(ip, y, 0, 1, ip->cols);
1237 SUBR_CURSOR(ip, DRAW_CURSOR);
1238 }
1239
1240
1241
1242 static __inline__ void
1243 ite_clrtoeos(ip)
1244 struct ite_softc *ip;
1245 {
1246 ite_clrtoeol(ip);
1247 if (ip->cury < ip->rows - 1)
1248 {
1249 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1250 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1251 SUBR_CURSOR(ip, DRAW_CURSOR);
1252 }
1253 }
1254
1255 static __inline__ void
1256 ite_clrtobos(ip)
1257 struct ite_softc *ip;
1258 {
1259 ite_clrtobol(ip);
1260 if (ip->cury > 0)
1261 {
1262 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1263 attrclr(ip, 0, 0, ip->cury, ip->cols);
1264 SUBR_CURSOR(ip, DRAW_CURSOR);
1265 }
1266 }
1267
1268 static __inline__ void
1269 ite_clrscreen(ip)
1270 struct ite_softc *ip;
1271 {
1272 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1273 attrclr(ip, 0, 0, ip->rows, ip->cols);
1274 SUBR_CURSOR(ip, DRAW_CURSOR);
1275 }
1276
1277
1278
1279 static __inline__ void
1280 ite_dnline(ip, n)
1281 struct ite_softc *ip;
1282 int n;
1283 {
1284 /* interesting.. if the cursor is outside the scrolling
1285 region, this command is simply ignored.. */
1286 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1287 return;
1288
1289 n = min(n, ip->bottom_margin + 1 - ip->cury);
1290 if (n <= ip->bottom_margin - ip->cury)
1291 {
1292 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1293 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1294 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1295 }
1296 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1297 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1298 SUBR_CURSOR(ip, DRAW_CURSOR);
1299 }
1300
1301 static __inline__ void
1302 ite_inline(ip, n)
1303 struct ite_softc *ip;
1304 int n;
1305 {
1306 /* interesting.. if the cursor is outside the scrolling
1307 region, this command is simply ignored.. */
1308 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1309 return;
1310
1311 n = min(n, ip->bottom_margin + 1 - ip->cury);
1312 if (n <= ip->bottom_margin - ip->cury)
1313 {
1314 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1315 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1316 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1317 }
1318 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1319 attrclr(ip, ip->cury, 0, n, ip->cols);
1320 SUBR_CURSOR(ip, DRAW_CURSOR);
1321 }
1322
1323 static __inline__ void
1324 ite_lf (ip)
1325 struct ite_softc *ip;
1326 {
1327 ++ip->cury;
1328 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1329 {
1330 ip->cury--;
1331 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1332 ite_clrline(ip);
1333 }
1334 SUBR_CURSOR(ip, MOVE_CURSOR);
1335 clr_attr(ip, ATTR_INV);
1336 }
1337
1338 static __inline__ void
1339 ite_crlf (ip)
1340 struct ite_softc *ip;
1341 {
1342 ip->curx = 0;
1343 ite_lf (ip);
1344 }
1345
1346 static __inline__ void
1347 ite_cr (ip)
1348 struct ite_softc *ip;
1349 {
1350 if (ip->curx)
1351 {
1352 ip->curx = 0;
1353 SUBR_CURSOR(ip, MOVE_CURSOR);
1354 }
1355 }
1356
1357 static __inline__ void
1358 ite_rlf (ip)
1359 struct ite_softc *ip;
1360 {
1361 ip->cury--;
1362 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1363 {
1364 ip->cury++;
1365 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1366 ite_clrline(ip);
1367 }
1368 SUBR_CURSOR(ip, MOVE_CURSOR);
1369 clr_attr(ip, ATTR_INV);
1370 }
1371
1372 static __inline__ int
1373 atoi (cp)
1374 const char *cp;
1375 {
1376 int n;
1377
1378 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1379 n = n * 10 + *cp - '0';
1380
1381 return n;
1382 }
1383
1384 static char *
1385 index (cp, ch)
1386 const char *cp;
1387 int ch;
1388 {
1389 while (*cp && *cp != ch) cp++;
1390 return *cp ? (char *) cp : 0;
1391 }
1392
1393
1394 static __inline__ int
1395 ite_argnum (ip)
1396 struct ite_softc *ip;
1397 {
1398 char ch;
1399 int n;
1400
1401 /* convert argument string into number */
1402 if (ip->ap == ip->argbuf)
1403 return 1;
1404 ch = *ip->ap;
1405 *ip->ap = 0;
1406 n = atoi (ip->argbuf);
1407 *ip->ap = ch;
1408
1409 return n;
1410 }
1411
1412 static __inline__ int
1413 ite_zargnum (ip)
1414 struct ite_softc *ip;
1415 {
1416 char ch;
1417 int n;
1418
1419 /* convert argument string into number */
1420 if (ip->ap == ip->argbuf)
1421 return 0;
1422 ch = *ip->ap;
1423 *ip->ap = 0;
1424 n = atoi (ip->argbuf);
1425 *ip->ap = ch;
1426
1427 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1428 }
1429
1430 void
1431 ite_putstr(s, len, dev)
1432 const u_char *s;
1433 int len;
1434 dev_t dev;
1435 {
1436 struct ite_softc *ip;
1437 int i;
1438
1439 ip = getitesp(dev);
1440
1441 /* XXX avoid problems */
1442 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1443 return;
1444
1445 SUBR_CURSOR(ip, START_CURSOROPT);
1446 for (i = 0; i < len; i++)
1447 if (s[i])
1448 iteputchar(s[i], ip);
1449 SUBR_CURSOR(ip, END_CURSOROPT);
1450 }
1451
1452
1453 void
1454 iteputchar(c, ip)
1455 register int c;
1456 struct ite_softc *ip;
1457 {
1458 struct tty *kbd_tty;
1459 int n, x, y;
1460 char *cp;
1461
1462 if (kbd_ite == NULL)
1463 kbd_tty = NULL;
1464 else
1465 kbd_tty = kbd_ite->tp;
1466
1467 if (ip->escape)
1468 {
1469 switch (ip->escape)
1470 {
1471 case ESC:
1472 switch (c)
1473 {
1474 /* first 7bit equivalents for the 8bit control characters */
1475
1476 case 'D':
1477 c = IND;
1478 ip->escape = 0;
1479 break; /* and fall into the next switch below (same for all `break') */
1480
1481 case 'E':
1482 c = NEL;
1483 ip->escape = 0;
1484 break;
1485
1486 case 'H':
1487 c = HTS;
1488 ip->escape = 0;
1489 break;
1490
1491 case 'M':
1492 c = RI;
1493 ip->escape = 0;
1494 break;
1495
1496 case 'N':
1497 c = SS2;
1498 ip->escape = 0;
1499 break;
1500
1501 case 'O':
1502 c = SS3;
1503 ip->escape = 0;
1504 break;
1505
1506 case 'P':
1507 c = DCS;
1508 ip->escape = 0;
1509 break;
1510
1511 case '[':
1512 c = CSI;
1513 ip->escape = 0;
1514 break;
1515
1516 case '\\':
1517 c = ST;
1518 ip->escape = 0;
1519 break;
1520
1521 case ']':
1522 c = OSC;
1523 ip->escape = 0;
1524 break;
1525
1526 case '^':
1527 c = PM;
1528 ip->escape = 0;
1529 break;
1530
1531 case '_':
1532 c = APC;
1533 ip->escape = 0;
1534 break;
1535
1536
1537 /* introduces 7/8bit control */
1538 case ' ':
1539 /* can be followed by either F or G */
1540 ip->escape = ' ';
1541 break;
1542
1543
1544 /* a lot of character set selections, not yet used...
1545 94-character sets: */
1546 case '(': /* G0 */
1547 case ')': /* G1 */
1548 ip->escape = c;
1549 return;
1550
1551 case '*': /* G2 */
1552 case '+': /* G3 */
1553 case 'B': /* ASCII */
1554 case 'A': /* ISO latin 1 */
1555 case '<': /* user preferred suplemental */
1556 case '0': /* dec special graphics */
1557
1558 /* 96-character sets: */
1559 case '-': /* G1 */
1560 case '.': /* G2 */
1561 case '/': /* G3 */
1562
1563 /* national character sets: */
1564 case '4': /* dutch */
1565 case '5':
1566 case 'C': /* finnish */
1567 case 'R': /* french */
1568 case 'Q': /* french canadian */
1569 case 'K': /* german */
1570 case 'Y': /* italian */
1571 case '6': /* norwegian/danish */
1572 /* note: %5 and %6 are not supported (two chars..) */
1573
1574 ip->escape = 0;
1575 /* just ignore for now */
1576 return;
1577
1578
1579 /* locking shift modes (as you might guess, not yet supported..) */
1580 case '`':
1581 ip->GR = ip->G1;
1582 ip->escape = 0;
1583 return;
1584
1585 case 'n':
1586 ip->GL = ip->G2;
1587 ip->escape = 0;
1588 return;
1589
1590 case '}':
1591 ip->GR = ip->G2;
1592 ip->escape = 0;
1593 return;
1594
1595 case 'o':
1596 ip->GL = ip->G3;
1597 ip->escape = 0;
1598 return;
1599
1600 case '|':
1601 ip->GR = ip->G3;
1602 ip->escape = 0;
1603 return;
1604
1605
1606 /* font width/height control */
1607 case '#':
1608 ip->escape = '#';
1609 return;
1610
1611
1612 /* hard terminal reset .. */
1613 case 'c':
1614 ite_reset (ip);
1615 SUBR_CURSOR(ip, MOVE_CURSOR);
1616 ip->escape = 0;
1617 return;
1618
1619
1620 case '7':
1621 ip->save_curx = ip->curx;
1622 ip->save_cury = ip->cury;
1623 ip->save_attribute = ip->attribute;
1624 ip->escape = 0;
1625 return;
1626
1627 case '8':
1628 ip->curx = ip->save_curx;
1629 ip->cury = ip->save_cury;
1630 ip->attribute = ip->save_attribute;
1631 SUBR_CURSOR(ip, MOVE_CURSOR);
1632 ip->escape = 0;
1633 return;
1634
1635 case '=':
1636 ip->keypad_appmode = 1;
1637 ip->escape = 0;
1638 return;
1639
1640 case '>':
1641 ip->keypad_appmode = 0;
1642 ip->escape = 0;
1643 return;
1644
1645 case 'Z': /* request ID */
1646 if (ip->emul_level == EMUL_VT100)
1647 ite_sendstr ("\033[?61;0c"); /* XXX not clean */
1648 else
1649 ite_sendstr ("\033[?63;0c"); /* XXX not clean */
1650 ip->escape = 0;
1651 return;
1652
1653 /* default catch all for not recognized ESC sequences */
1654 default:
1655 ip->escape = 0;
1656 return;
1657 }
1658 break;
1659
1660
1661 case '(':
1662 case ')':
1663 ip->escape = 0;
1664 return;
1665
1666
1667 case ' ':
1668 switch (c)
1669 {
1670 case 'F':
1671 ip->eightbit_C1 = 0;
1672 ip->escape = 0;
1673 return;
1674
1675 case 'G':
1676 ip->eightbit_C1 = 1;
1677 ip->escape = 0;
1678 return;
1679
1680 default:
1681 /* not supported */
1682 ip->escape = 0;
1683 return;
1684 }
1685 break;
1686
1687
1688 case '#':
1689 switch (c)
1690 {
1691 case '5':
1692 /* single height, single width */
1693 ip->escape = 0;
1694 return;
1695
1696 case '6':
1697 /* double width, single height */
1698 ip->escape = 0;
1699 return;
1700
1701 case '3':
1702 /* top half */
1703 ip->escape = 0;
1704 return;
1705
1706 case '4':
1707 /* bottom half */
1708 ip->escape = 0;
1709 return;
1710
1711 case '8':
1712 /* screen alignment pattern... */
1713 alignment_display (ip);
1714 ip->escape = 0;
1715 return;
1716
1717 default:
1718 ip->escape = 0;
1719 return;
1720 }
1721 break;
1722
1723
1724
1725 case CSI:
1726 /* the biggie... */
1727 switch (c)
1728 {
1729 case '0': case '1': case '2': case '3': case '4':
1730 case '5': case '6': case '7': case '8': case '9':
1731 case ';': case '\"': case '$': case '>':
1732 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1733 *ip->ap++ = c;
1734 return;
1735
1736 case BS:
1737 /* you wouldn't believe such perversion is possible?
1738 it is.. BS is allowed in between cursor sequences
1739 (at least), according to vttest.. */
1740 if (--ip->curx < 0)
1741 ip->curx = 0;
1742 else
1743 SUBR_CURSOR(ip, MOVE_CURSOR);
1744 break;
1745
1746 case 'p':
1747 *ip->ap = 0;
1748 if (! strncmp (ip->argbuf, "61\"", 3))
1749 ip->emul_level = EMUL_VT100;
1750 else if (! strncmp (ip->argbuf, "63;1\"", 5)
1751 || ! strncmp (ip->argbuf, "62;1\"", 5))
1752 ip->emul_level = EMUL_VT300_7;
1753 else
1754 ip->emul_level = EMUL_VT300_8;
1755 ip->escape = 0;
1756 return;
1757
1758
1759 case '?':
1760 *ip->ap = 0;
1761 ip->escape = '?';
1762 ip->ap = ip->argbuf;
1763 return;
1764
1765
1766 case 'c':
1767 *ip->ap = 0;
1768 if (ip->argbuf[0] == '>')
1769 {
1770 ite_sendstr ("\033[>24;0;0;0c");
1771 }
1772 else switch (ite_zargnum(ip))
1773 {
1774 case 0:
1775 /* primary DA request, send primary DA response */
1776 if (ip->emul_level == EMUL_VT100)
1777 ite_sendstr ("\033[?1;1c");
1778 else
1779 ite_sendstr ("\033[?63;1c");
1780 break;
1781 }
1782 ip->escape = 0;
1783 return;
1784
1785 case 'n':
1786 switch (ite_zargnum(ip))
1787 {
1788 case 5:
1789 ite_sendstr ("\033[0n"); /* no malfunction */
1790 break;
1791 case 6:
1792 /* cursor position report */
1793 sprintf (ip->argbuf, "\033[%d;%dR",
1794 ip->cury + 1, ip->curx + 1);
1795 ite_sendstr (ip->argbuf);
1796 break;
1797 }
1798 ip->escape = 0;
1799 return;
1800
1801
1802 case 'x':
1803 switch (ite_zargnum(ip))
1804 {
1805 case 0:
1806 /* Fake some terminal parameters. */
1807 ite_sendstr ("\033[2;1;1;112;112;1;0x");
1808 break;
1809 case 1:
1810 ite_sendstr ("\033[3;1;1;112;112;1;0x");
1811 break;
1812 }
1813 ip->escape = 0;
1814 return;
1815
1816
1817 case 'g':
1818 switch (ite_zargnum(ip))
1819 {
1820 case 0:
1821 if (ip->curx < ip->cols)
1822 ip->tabs[ip->curx] = 0;
1823 break;
1824 case 3:
1825 for (n = 0; n < ip->cols; n++)
1826 ip->tabs[n] = 0;
1827 break;
1828 }
1829 ip->escape = 0;
1830 return;
1831
1832
1833 case 'h': case 'l':
1834 n = ite_zargnum (ip);
1835 switch (n)
1836 {
1837 case 4:
1838 ip->imode = (c == 'h'); /* insert/replace mode */
1839 break;
1840 case 20:
1841 ip->linefeed_newline = (c == 'h');
1842 break;
1843 }
1844 ip->escape = 0;
1845 return;
1846
1847
1848 case 'M':
1849 ite_dnline (ip, ite_argnum (ip));
1850 ip->escape = 0;
1851 return;
1852
1853
1854 case 'L':
1855 ite_inline (ip, ite_argnum (ip));
1856 ip->escape = 0;
1857 return;
1858
1859
1860 case 'P':
1861 ite_dnchar (ip, ite_argnum (ip));
1862 ip->escape = 0;
1863 return;
1864
1865
1866 case '@':
1867 ite_inchar (ip, ite_argnum (ip));
1868 ip->escape = 0;
1869 return;
1870
1871
1872 case 'G':
1873 /* this one was *not* in my vt320 manual but in
1874 a vt320 termcap entry.. who is right?
1875 It's supposed to set the horizontal cursor position. */
1876 *ip->ap = 0;
1877 x = atoi (ip->argbuf);
1878 if (x) x--;
1879 ip->curx = min(x, ip->cols - 1);
1880 ip->escape = 0;
1881 SUBR_CURSOR(ip, MOVE_CURSOR);
1882 clr_attr (ip, ATTR_INV);
1883 return;
1884
1885
1886 case 'd':
1887 /* same thing here, this one's for setting the absolute
1888 vertical cursor position. Not documented... */
1889 *ip->ap = 0;
1890 y = atoi (ip->argbuf);
1891 if (y) y--;
1892 if (ip->inside_margins)
1893 y += ip->top_margin;
1894 ip->cury = min(y, ip->rows - 1);
1895 ip->escape = 0;
1896 snap_cury(ip);
1897 SUBR_CURSOR(ip, MOVE_CURSOR);
1898 clr_attr (ip, ATTR_INV);
1899 return;
1900
1901
1902 case 'H':
1903 case 'f':
1904 *ip->ap = 0;
1905 y = atoi (ip->argbuf);
1906 x = 0;
1907 cp = index (ip->argbuf, ';');
1908 if (cp)
1909 x = atoi (cp + 1);
1910 if (x) x--;
1911 if (y) y--;
1912 if (ip->inside_margins)
1913 y += ip->top_margin;
1914 ip->cury = min(y, ip->rows - 1);
1915 ip->curx = min(x, ip->cols - 1);
1916 ip->escape = 0;
1917 snap_cury(ip);
1918 SUBR_CURSOR(ip, MOVE_CURSOR);
1919 clr_attr (ip, ATTR_INV);
1920 return;
1921
1922 case 'A':
1923 n = ite_argnum (ip);
1924 n = ip->cury - (n ? n : 1);
1925 if (n < 0) n = 0;
1926 if (ip->inside_margins)
1927 n = max(ip->top_margin, n);
1928 else if (n == ip->top_margin - 1)
1929 /* allow scrolling outside region, but don't scroll out
1930 of active region without explicit CUP */
1931 n = ip->top_margin;
1932 ip->cury = n;
1933 ip->escape = 0;
1934 SUBR_CURSOR(ip, MOVE_CURSOR);
1935 clr_attr (ip, ATTR_INV);
1936 return;
1937
1938 case 'B':
1939 n = ite_argnum (ip);
1940 n = ip->cury + (n ? n : 1);
1941 n = min(ip->rows - 1, n);
1942 if (ip->inside_margins)
1943 n = min(ip->bottom_margin, n);
1944 else if (n == ip->bottom_margin + 1)
1945 /* allow scrolling outside region, but don't scroll out
1946 of active region without explicit CUP */
1947 n = ip->bottom_margin;
1948 ip->cury = n;
1949 ip->escape = 0;
1950 SUBR_CURSOR(ip, MOVE_CURSOR);
1951 clr_attr (ip, ATTR_INV);
1952 return;
1953
1954 case 'C':
1955 n = ite_argnum (ip);
1956 n = n ? n : 1;
1957 ip->curx = min(ip->curx + n, ip->cols - 1);
1958 ip->escape = 0;
1959 SUBR_CURSOR(ip, MOVE_CURSOR);
1960 clr_attr (ip, ATTR_INV);
1961 return;
1962
1963 case 'D':
1964 n = ite_argnum (ip);
1965 n = n ? n : 1;
1966 n = ip->curx - n;
1967 ip->curx = n >= 0 ? n : 0;
1968 ip->escape = 0;
1969 SUBR_CURSOR(ip, MOVE_CURSOR);
1970 clr_attr (ip, ATTR_INV);
1971 return;
1972
1973
1974
1975
1976 case 'J':
1977 *ip->ap = 0;
1978 n = ite_zargnum (ip);
1979 if (n == 0)
1980 ite_clrtoeos(ip);
1981 else if (n == 1)
1982 ite_clrtobos(ip);
1983 else if (n == 2)
1984 ite_clrscreen(ip);
1985 ip->escape = 0;
1986 return;
1987
1988
1989 case 'K':
1990 n = ite_zargnum (ip);
1991 if (n == 0)
1992 ite_clrtoeol(ip);
1993 else if (n == 1)
1994 ite_clrtobol(ip);
1995 else if (n == 2)
1996 ite_clrline(ip);
1997 ip->escape = 0;
1998 return;
1999
2000
2001 case 'X':
2002 n = ite_argnum(ip) - 1;
2003 n = min(n, ip->cols - 1 - ip->curx);
2004 for (; n >= 0; n--)
2005 {
2006 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
2007 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
2008 }
2009 ip->escape = 0;
2010 return;
2011
2012
2013 case '}': case '`':
2014 /* status line control */
2015 ip->escape = 0;
2016 return;
2017
2018
2019 case 'r':
2020 *ip->ap = 0;
2021 x = atoi (ip->argbuf);
2022 x = x ? x : 1;
2023 y = ip->rows;
2024 cp = index (ip->argbuf, ';');
2025 if (cp)
2026 {
2027 y = atoi (cp + 1);
2028 y = y ? y : ip->rows;
2029 }
2030 if (y - x < 2)
2031 {
2032 /* if illegal scrolling region, reset to defaults */
2033 x = 1;
2034 y = ip->rows;
2035 }
2036 x--;
2037 y--;
2038 ip->top_margin = min(x, ip->rows - 1);
2039 ip->bottom_margin = min(y, ip->rows - 1);
2040 if (ip->inside_margins)
2041 {
2042 ip->cury = ip->top_margin;
2043 ip->curx = 0;
2044 SUBR_CURSOR(ip, MOVE_CURSOR);
2045 }
2046 ip->escape = 0;
2047 return;
2048
2049
2050 case 'm':
2051 /* big attribute setter/resetter */
2052 {
2053 char *cp;
2054 *ip->ap = 0;
2055 /* kludge to make CSIm work (== CSI0m) */
2056 if (ip->ap == ip->argbuf)
2057 ip->ap++;
2058 for (cp = ip->argbuf; cp < ip->ap; )
2059 {
2060 switch (*cp)
2061 {
2062 case 0:
2063 case '0':
2064 clr_attr (ip, ATTR_ALL);
2065 cp++;
2066 break;
2067
2068 case '1':
2069 set_attr (ip, ATTR_BOLD);
2070 cp++;
2071 break;
2072
2073 case '2':
2074 switch (cp[1])
2075 {
2076 case '2':
2077 clr_attr (ip, ATTR_BOLD);
2078 cp += 2;
2079 break;
2080
2081 case '4':
2082 clr_attr (ip, ATTR_UL);
2083 cp += 2;
2084 break;
2085
2086 case '5':
2087 clr_attr (ip, ATTR_BLINK);
2088 cp += 2;
2089 break;
2090
2091 case '7':
2092 clr_attr (ip, ATTR_INV);
2093 cp += 2;
2094 break;
2095
2096 default:
2097 cp++;
2098 break;
2099 }
2100 break;
2101
2102 case '4':
2103 set_attr (ip, ATTR_UL);
2104 cp++;
2105 break;
2106
2107 case '5':
2108 set_attr (ip, ATTR_BLINK);
2109 cp++;
2110 break;
2111
2112 case '7':
2113 set_attr (ip, ATTR_INV);
2114 cp++;
2115 break;
2116
2117 default:
2118 cp++;
2119 break;
2120 }
2121 }
2122
2123 }
2124 ip->escape = 0;
2125 return;
2126
2127
2128 case 'u':
2129 /* DECRQTSR */
2130 ite_sendstr ("\033P\033\\");
2131 ip->escape = 0;
2132 return;
2133
2134
2135
2136 default:
2137 ip->escape = 0;
2138 return;
2139 }
2140 break;
2141
2142
2143
2144 case '?': /* CSI ? */
2145 switch (c)
2146 {
2147 case '0': case '1': case '2': case '3': case '4':
2148 case '5': case '6': case '7': case '8': case '9':
2149 case ';': case '\"': case '$':
2150 /* Don't fill the last character; it's needed. */
2151 /* XXX yeah, where ?? */
2152 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2153 *ip->ap++ = c;
2154 return;
2155
2156
2157 case 'n':
2158 *ip->ap = 0;
2159 if (ip->ap == &ip->argbuf[2])
2160 {
2161 if (! strncmp (ip->argbuf, "15", 2))
2162 /* printer status: no printer */
2163 ite_sendstr ("\033[13n");
2164
2165 else if (! strncmp (ip->argbuf, "25", 2))
2166 /* udk status */
2167 ite_sendstr ("\033[20n");
2168
2169 else if (! strncmp (ip->argbuf, "26", 2))
2170 /* keyboard dialect: US */
2171 ite_sendstr ("\033[27;1n");
2172 }
2173 ip->escape = 0;
2174 return;
2175
2176
2177 case 'h': case 'l':
2178 n = ite_zargnum (ip);
2179 switch (n)
2180 {
2181 case 1:
2182 ip->cursor_appmode = (c == 'h');
2183 break;
2184
2185 case 3:
2186 /* 132/80 columns (132 == 'h') */
2187 break;
2188
2189 case 4: /* smooth scroll */
2190 break;
2191
2192 case 5:
2193 /* light background (=='h') /dark background(=='l') */
2194 break;
2195
2196 case 6: /* origin mode */
2197 ip->inside_margins = (c == 'h');
2198 ip->curx = 0;
2199 ip->cury = ip->inside_margins ? ip->top_margin : 0;
2200 SUBR_CURSOR(ip, MOVE_CURSOR);
2201 break;
2202
2203 case 7: /* auto wraparound */
2204 ip->auto_wrap = (c == 'h');
2205 break;
2206
2207 case 8: /* keyboard repeat */
2208 ip->key_repeat = (c == 'h');
2209 break;
2210
2211 case 20: /* newline mode */
2212 ip->linefeed_newline = (c == 'h');
2213 break;
2214
2215 case 25: /* cursor on/off */
2216 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2217 break;
2218 }
2219 ip->escape = 0;
2220 return;
2221
2222 default:
2223 ip->escape = 0;
2224 return;
2225 }
2226 break;
2227
2228
2229 default:
2230 ip->escape = 0;
2231 return;
2232 }
2233 }
2234
2235 switch (c) {
2236
2237 case VT: /* VT is treated like LF */
2238 case FF: /* so is FF */
2239 case LF:
2240 /* cr->crlf distinction is done here, on output,
2241 not on input! */
2242 if (ip->linefeed_newline)
2243 ite_crlf (ip);
2244 else
2245 ite_lf (ip);
2246 break;
2247
2248 case CR:
2249 ite_cr (ip);
2250 break;
2251
2252 case BS:
2253 if (--ip->curx < 0)
2254 ip->curx = 0;
2255 else
2256 SUBR_CURSOR(ip, MOVE_CURSOR);
2257 break;
2258
2259 case HT:
2260 for (n = ip->curx + 1; n < ip->cols; n++) {
2261 if (ip->tabs[n]) {
2262 ip->curx = n;
2263 SUBR_CURSOR(ip, MOVE_CURSOR);
2264 break;
2265 }
2266 }
2267 break;
2268
2269 case BEL:
2270 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2271 kbdbell();
2272 break;
2273
2274 case SO:
2275 ip->GL = ip->G1;
2276 break;
2277
2278 case SI:
2279 ip->GL = ip->G0;
2280 break;
2281
2282 case ENQ:
2283 /* send answer-back message !! */
2284 break;
2285
2286 case CAN:
2287 ip->escape = 0; /* cancel any escape sequence in progress */
2288 break;
2289
2290 case SUB:
2291 ip->escape = 0; /* dito, but see below */
2292 /* should also display a reverse question mark!! */
2293 break;
2294
2295 case ESC:
2296 ip->escape = ESC;
2297 break;
2298
2299
2300 /* now it gets weird.. 8bit control sequences.. */
2301 case IND: /* index: move cursor down, scroll */
2302 ite_lf (ip);
2303 break;
2304
2305 case NEL: /* next line. next line, first pos. */
2306 ite_crlf (ip);
2307 break;
2308
2309 case HTS: /* set horizontal tab */
2310 if (ip->curx < ip->cols)
2311 ip->tabs[ip->curx] = 1;
2312 break;
2313
2314 case RI: /* reverse index */
2315 ite_rlf (ip);
2316 break;
2317
2318 case SS2: /* go into G2 for one character */
2319 /* not yet supported */
2320 break;
2321
2322 case SS3: /* go into G3 for one character */
2323 break;
2324
2325 case DCS: /* device control string introducer */
2326 ip->escape = DCS;
2327 ip->ap = ip->argbuf;
2328 break;
2329
2330 case CSI: /* control sequence introducer */
2331 ip->escape = CSI;
2332 ip->ap = ip->argbuf;
2333 break;
2334
2335 case ST: /* string terminator */
2336 /* ignore, if not used as terminator */
2337 break;
2338
2339 case OSC: /* introduces OS command. Ignore everything upto ST */
2340 ip->escape = OSC;
2341 break;
2342
2343 case PM: /* privacy message, ignore everything upto ST */
2344 ip->escape = PM;
2345 break;
2346
2347 case APC: /* application program command, ignore everything upto ST */
2348 ip->escape = APC;
2349 break;
2350
2351 default:
2352 if (c < ' ' || c == DEL)
2353 break;
2354 if (ip->imode)
2355 ite_inchar(ip, 1);
2356 iteprecheckwrap(ip);
2357 #ifdef DO_WEIRD_ATTRIBUTES
2358 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2359 attrset(ip, ATTR_INV);
2360 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2361 }
2362 else
2363 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2364 #else
2365 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2366 #endif
2367 SUBR_CURSOR(ip, DRAW_CURSOR);
2368 itecheckwrap(ip);
2369 break;
2370 }
2371 }
2372
2373 static void
2374 iteprecheckwrap(ip)
2375 struct ite_softc *ip;
2376 {
2377 if (ip->auto_wrap && ip->curx == ip->cols) {
2378 ip->curx = 0;
2379 clr_attr(ip, ATTR_INV);
2380 if (++ip->cury >= ip->bottom_margin + 1) {
2381 ip->cury = ip->bottom_margin;
2382 SUBR_CURSOR(ip, MOVE_CURSOR);
2383 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2384 ite_clrtoeol(ip);
2385 } else
2386 SUBR_CURSOR(ip, MOVE_CURSOR);
2387 }
2388 }
2389
2390 static void
2391 itecheckwrap(ip)
2392 struct ite_softc *ip;
2393 {
2394 if (ip->curx < ip->cols) {
2395 ip->curx++;
2396 SUBR_CURSOR(ip, MOVE_CURSOR);
2397 }
2398 }
2399