ite.c revision 1.32 1 /* $NetBSD: ite.c,v 1.32 1995/10/09 15:20:30 chopps Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * from: Utah Hdr: ite.c 1.1 90/07/09
41 * @(#)ite.c 7.6 (Berkeley) 5/16/91
42 */
43
44 /*
45 * ite - bitmaped terminal.
46 * Supports VT200, a few terminal features will be unavailable until
47 * the system actually probes the device (i.e. not after consinit())
48 */
49
50 #include <sys/param.h>
51 #include <sys/kernel.h>
52 #include <sys/conf.h>
53 #include <sys/device.h>
54 #include <sys/malloc.h>
55 #include <sys/ioctl.h>
56 #include <sys/tty.h>
57 #include <sys/termios.h>
58 #include <sys/systm.h>
59 #include <sys/proc.h>
60 #include <dev/cons.h>
61 #include <amiga/amiga/cc.h>
62 #include <amiga/amiga/kdassert.h>
63 #include <amiga/amiga/color.h> /* DEBUG */
64 #include <amiga/amiga/device.h>
65 #include <amiga/amiga/isr.h>
66 #include <amiga/dev/iteioctl.h>
67 #include <amiga/dev/itevar.h>
68 #include <amiga/dev/kbdmap.h>
69 #include <amiga/dev/grfioctl.h>
70 #include <amiga/dev/grfvar.h>
71
72 #include "grfcc.h"
73
74 /*
75 * XXX go ask sys/kern/tty.c:ttselect()
76 */
77 #include "grf.h"
78 struct tty *ite_tty[NGRF];
79
80 #define ITEUNIT(dev) (minor(dev))
81
82 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
83 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
84 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
85 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
86 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
87 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
88 (ip)->grf->g_itescroll(ip,sy,sx,count,dir)
89
90 u_int ite_confunits; /* configured units */
91
92 int start_repeat_timeo = 30; /* first repeat after x s/100 */
93 int next_repeat_timeo = 10; /* next repeat after x s/100 */
94
95 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
96
97 struct ite_softc con_itesoftc;
98 u_char cons_tabs[MAX_TABS];
99
100 struct ite_softc *kbd_ite;
101 int kbd_init;
102
103 /* audio bell stuff */
104 u_int bvolume = 10;
105 u_int bpitch = 660;
106 u_int bmsec = 75;
107
108 static char *bsamplep;
109 static char sample[20] = {
110 0,39,75,103,121,127,121,103,75,39,0,
111 -39,-75,-103,-121,-127,-121,-103,-75,-39
112 };
113
114 static char *index __P((const char *, char));
115 static int inline atoi __P((const char *));
116 static void ite_sifilter __P((void *, void *));
117 void iteputchar __P((int c, struct ite_softc *ip));
118 void ite_putstr __P((const char * s, int len, dev_t dev));
119 void iteattach __P((struct device *, struct device *, void *));
120 int itematch __P((struct device *, struct cfdata *, void *));
121
122 struct cfdriver itecd = {
123 NULL, "ite", (cfmatch_t)itematch, iteattach, DV_DULL,
124 sizeof(struct ite_softc), NULL, 0 };
125
126 int
127 itematch(pdp, cdp, auxp)
128 struct device *pdp;
129 struct cfdata *cdp;
130 void *auxp;
131 {
132 struct grf_softc *gp;
133 int maj;
134
135 gp = auxp;
136 /*
137 * all that our mask allows (more than enough no one
138 * has > 32 monitors for text consoles on one machine)
139 */
140 if (cdp->cf_unit >= sizeof(ite_confunits) * NBBY)
141 return(0);
142 /*
143 * XXX
144 * normally this would be done in attach, however
145 * during early init we do not have a device pointer
146 * and thus no unit number.
147 */
148 for(maj = 0; maj < nchrdev; maj++)
149 if (cdevsw[maj].d_open == iteopen)
150 break;
151 gp->g_itedev = makedev(maj, cdp->cf_unit);
152 return(1);
153 }
154
155 void
156 iteattach(pdp, dp, auxp)
157 struct device *pdp, *dp;
158 void *auxp;
159 {
160 extern int hz;
161 struct grf_softc *gp;
162 struct ite_softc *ip;
163 int s;
164
165 gp = (struct grf_softc *)auxp;
166
167 /*
168 * mark unit as attached (XXX see itematch)
169 */
170 ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
171
172 if (dp) {
173 ip = (struct ite_softc *)dp;
174
175 s = spltty();
176 if (con_itesoftc.grf != NULL &&
177 con_itesoftc.grf->g_unit == gp->g_unit) {
178 /*
179 * console reinit copy params over.
180 * and console always gets keyboard
181 */
182 bcopy(&con_itesoftc.grf, &ip->grf,
183 (char *)&ip[1] - (char *)&ip->grf);
184 con_itesoftc.grf = NULL;
185 kbd_ite = ip;
186 }
187 ip->grf = gp;
188 splx(s);
189
190 alloc_sicallback();
191 iteinit(gp->g_itedev);
192 printf(": rows %d cols %d", ip->rows, ip->cols);
193 printf(" repeat at (%d/100)s next at (%d/100)s",
194 start_repeat_timeo, next_repeat_timeo);
195
196 if (kbd_ite == NULL)
197 kbd_ite = ip;
198 if (kbd_ite == ip)
199 printf(" has keyboard");
200 printf("\n");
201 } else {
202 if (con_itesoftc.grf != NULL &&
203 con_itesoftc.grf->g_conpri > gp->g_conpri)
204 return;
205 con_itesoftc.grf = gp;
206 con_itesoftc.tabs = cons_tabs;
207 }
208 }
209
210 struct ite_softc *
211 getitesp(dev)
212 dev_t dev;
213 {
214 if (amiga_realconfig && con_itesoftc.grf == NULL)
215 return(itecd.cd_devs[ITEUNIT(dev)]);
216
217 if (con_itesoftc.grf == NULL)
218 panic("no ite_softc for console");
219 return(&con_itesoftc);
220 }
221
222 /*
223 * cons.c entry points into ite device.
224 */
225
226 /*
227 * Return a priority in consdev->cn_pri field highest wins. This function
228 * is called before any devices have been probed.
229 */
230 void
231 itecnprobe(cd)
232 struct consdev *cd;
233 {
234 /*
235 * bring graphics layer up.
236 */
237 config_console();
238
239 /*
240 * return priority of the best ite (already picked from attach)
241 * or CN_DEAD.
242 */
243 if (con_itesoftc.grf == NULL)
244 cd->cn_pri = CN_DEAD;
245 else {
246 cd->cn_pri = con_itesoftc.grf->g_conpri;
247 cd->cn_dev = con_itesoftc.grf->g_itedev;
248 }
249 }
250
251 /* audio bell stuff */
252 void
253 init_bell()
254 {
255 short i;
256
257 if (bsamplep != NULL)
258 return;
259 bsamplep = alloc_chipmem(20);
260 if (bsamplep == NULL)
261 panic("no chipmem for ite_bell");
262
263 bcopy(sample, bsamplep, 20);
264 }
265
266 void
267 ite_bell()
268 {
269 u_int clock;
270 u_int period;
271 u_int count;
272
273 clock = 3579545; /* PAL 3546895 */
274
275 /*
276 * the number of clock ticks per sample byte must be > 124
277 * ergo bpitch must be < clock / 124*20
278 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously
279 */
280 period = clock / (bpitch * 20);
281 count = bmsec * bpitch / 1000;
282
283 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count);
284 }
285
286 void
287 itecninit(cd)
288 struct consdev *cd;
289 {
290 struct ite_softc *ip;
291
292 ip = getitesp(cd->cn_dev);
293 iteinit(cd->cn_dev);
294 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
295
296 init_bell();
297 }
298
299 /*
300 * ite_cnfinish() is called in ite_init() when the device is
301 * being probed in the normal fasion, thus we can finish setting
302 * up this ite now that the system is more functional.
303 */
304 void
305 ite_cnfinish(ip)
306 struct ite_softc *ip;
307 {
308 static int done;
309
310 if (done)
311 return;
312 done = 1;
313 }
314
315 int
316 itecngetc(dev)
317 dev_t dev;
318 {
319 int c;
320
321 /* XXX this should be moved */
322 if (!kbd_init) {
323 kbd_init = 1;
324 kbdenable();
325 }
326 do {
327 c = kbdgetcn();
328 c = ite_cnfilter(c, ITEFILT_CONSOLE);
329 } while (c == -1);
330 return (c);
331 }
332
333 void
334 itecnputc(dev, c)
335 dev_t dev;
336 int c;
337 {
338 static int paniced;
339 struct ite_softc *ip;
340 char ch;
341
342 ip = getitesp(dev);
343 ch = c;
344
345 if (panicstr && !paniced &&
346 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
347 (void)ite_on(dev, 3);
348 paniced = 1;
349 }
350 iteputchar(ch, ip);
351 }
352
353 void
354 itecnpollc(dev, on)
355 dev_t dev;
356 int on;
357 {
358
359 }
360
361 /*
362 * standard entry points to the device.
363 */
364
365 /*
366 * iteinit() is the standard entry point for initialization of
367 * an ite device, it is also called from ite_cninit().
368 *
369 */
370 void
371 iteinit(dev)
372 dev_t dev;
373 {
374 struct ite_softc *ip;
375
376 ip = getitesp(dev);
377 if (ip->flags & ITE_INITED)
378 return;
379 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
380
381 ip->cursorx = 0;
382 ip->cursory = 0;
383 SUBR_INIT(ip);
384 SUBR_CURSOR(ip, DRAW_CURSOR);
385 if (ip->tabs == NULL)
386 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
387 ite_reset(ip);
388 ip->flags |= ITE_INITED;
389 }
390
391 int
392 iteopen(dev, mode, devtype, p)
393 dev_t dev;
394 int mode, devtype;
395 struct proc *p;
396 {
397 struct ite_softc *ip;
398 struct tty *tp;
399 int error, first, unit;
400
401 unit = ITEUNIT(dev);
402 first = 0;
403
404 if (((1 << unit) & ite_confunits) == 0)
405 return (ENXIO);
406
407 ip = getitesp(dev);
408
409 if (ip->tp == NULL)
410 tp = ite_tty[unit] = ip->tp = ttymalloc();
411 else
412 tp = ip->tp;
413 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
414 && p->p_ucred->cr_uid != 0)
415 return (EBUSY);
416 if ((ip->flags & ITE_ACTIVE) == 0) {
417 error = ite_on(dev, 0);
418 if (error)
419 return (error);
420 first = 1;
421 }
422 tp->t_oproc = itestart;
423 tp->t_param = ite_param;
424 tp->t_dev = dev;
425 if ((tp->t_state & TS_ISOPEN) == 0) {
426 ttychars(tp);
427 tp->t_iflag = TTYDEF_IFLAG;
428 tp->t_oflag = TTYDEF_OFLAG;
429 tp->t_cflag = TTYDEF_CFLAG;
430 tp->t_lflag = TTYDEF_LFLAG;
431 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
432 tp->t_state = TS_WOPEN | TS_CARR_ON;
433 ttsetwater(tp);
434 }
435 error = (*linesw[tp->t_line].l_open) (dev, tp);
436 if (error == 0) {
437 tp->t_winsize.ws_row = ip->rows;
438 tp->t_winsize.ws_col = ip->cols;
439 if (!kbd_init) {
440 kbd_init = 1;
441 kbdenable();
442 }
443 } else if (first)
444 ite_off(dev, 0);
445 return (error);
446 }
447
448 int
449 iteclose(dev, flag, mode, p)
450 dev_t dev;
451 int flag, mode;
452 struct proc *p;
453 {
454 struct tty *tp;
455
456 tp = getitesp(dev)->tp;
457
458 KDASSERT(tp);
459 (*linesw[tp->t_line].l_close) (tp, flag);
460 ttyclose(tp);
461 ite_off(dev, 0);
462 return (0);
463 }
464
465 int
466 iteread(dev, uio, flag)
467 dev_t dev;
468 struct uio *uio;
469 int flag;
470 {
471 struct tty *tp;
472
473 tp = getitesp(dev)->tp;
474
475 KDASSERT(tp);
476 return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
477 }
478
479 int
480 itewrite(dev, uio, flag)
481 dev_t dev;
482 struct uio *uio;
483 int flag;
484 {
485 struct tty *tp;
486
487 tp = getitesp(dev)->tp;
488
489 KDASSERT(tp);
490 return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
491 }
492
493 struct tty *
494 itetty(dev)
495 dev_t dev;
496 {
497 return (ite_tty[ITEUNIT(dev)]);
498 }
499
500 int
501 itestop(tp, flag)
502 struct tty *tp;
503 int flag;
504 {
505
506 }
507
508 int
509 iteioctl(dev, cmd, addr, flag, p)
510 dev_t dev;
511 u_long cmd;
512 caddr_t addr;
513 int flag;
514 struct proc *p;
515 {
516 struct iterepeat *irp;
517 struct ite_softc *ip;
518 struct itebell *ib;
519 struct tty *tp;
520 int error;
521
522 ip = getitesp(dev);
523 tp = ip->tp;
524
525 KDASSERT(tp);
526
527 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, addr, flag, p);
528 if (error >= 0)
529 return (error);
530 error = ttioctl(tp, cmd, addr, flag, p);
531 if (error >= 0)
532 return (error);
533
534 switch (cmd) {
535 case ITEIOCGBELL:
536 ib = (struct itebell *)addr;
537 ib->volume = bvolume;
538 ib->pitch = bpitch;
539 ib->msec = bmsec;
540 return (0);
541 case ITEIOCSBELL:
542 ib = (struct itebell *)addr;
543
544 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH ||
545 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME)
546 return (EINVAL);
547 bvolume = ib->volume;
548 bpitch = ib->pitch;
549 bmsec = ib->msec;
550 return (0);
551 case ITEIOCSKMAP:
552 if (addr == 0)
553 return(EFAULT);
554 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
555 return(0);
556 case ITEIOCGKMAP:
557 if (addr == NULL)
558 return(EFAULT);
559 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
560 return(0);
561 case ITEIOCGREPT:
562 irp = (struct iterepeat *)addr;
563 irp->start = start_repeat_timeo;
564 irp->next = next_repeat_timeo;
565 return (0);
566 case ITEIOCSREPT:
567 irp = (struct iterepeat *)addr;
568 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
569 return(EINVAL);
570 start_repeat_timeo = irp->start;
571 next_repeat_timeo = irp->next;
572 return(0);
573 }
574 #if NGRFCC > 0
575 /* XXX */
576 if (minor(dev) == 0) {
577 error = ite_grf_ioctl(ip, cmd, addr, flag, p);
578 if (error >= 0)
579 return (error);
580 }
581 #endif
582 return (ENOTTY);
583 }
584
585 void
586 itestart(tp)
587 struct tty *tp;
588 {
589 struct clist *rbp;
590 struct ite_softc *ip;
591 u_char buf[ITEBURST];
592 int s, len, n;
593
594 ip = getitesp(tp->t_dev);
595
596 KDASSERT(tp);
597
598 s = spltty(); {
599 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
600 goto out;
601
602 tp->t_state |= TS_BUSY;
603 rbp = &tp->t_outq;
604
605 len = q_to_b(rbp, buf, ITEBURST);
606 } splx(s);
607
608 /* Here is a really good place to implement pre/jumpscroll() */
609 ite_putstr(buf, len, tp->t_dev);
610
611 s = spltty(); {
612 tp->t_state &= ~TS_BUSY;
613 /* we have characters remaining. */
614 if (rbp->c_cc) {
615 tp->t_state |= TS_TIMEOUT;
616 timeout(ttrstrt, tp, 1);
617 }
618 /* wakeup we are below */
619 if (rbp->c_cc <= tp->t_lowat) {
620 if (tp->t_state & TS_ASLEEP) {
621 tp->t_state &= ~TS_ASLEEP;
622 wakeup((caddr_t) rbp);
623 }
624 selwakeup(&tp->t_wsel);
625 }
626 out:
627 } splx(s);
628 }
629
630 int
631 ite_on(dev, flag)
632 dev_t dev;
633 int flag;
634 {
635 struct ite_softc *ip;
636 int unit;
637
638 unit = ITEUNIT(dev);
639 if (((1 << unit) & ite_confunits) == 0)
640 return (ENXIO);
641
642 ip = getitesp(dev);
643
644 /* force ite active, overriding graphics mode */
645 if (flag & 1) {
646 ip->flags |= ITE_ACTIVE;
647 ip->flags &= ~(ITE_INGRF | ITE_INITED);
648 }
649 /* leave graphics mode */
650 if (flag & 2) {
651 ip->flags &= ~ITE_INGRF;
652 if ((ip->flags & ITE_ACTIVE) == 0)
653 return (0);
654 }
655 ip->flags |= ITE_ACTIVE;
656 if (ip->flags & ITE_INGRF)
657 return (0);
658 iteinit(dev);
659 return (0);
660 }
661
662 int
663 ite_off(dev, flag)
664 dev_t dev;
665 int flag;
666 {
667 struct ite_softc *ip;
668
669 ip = getitesp(dev);
670 if (flag & 2)
671 ip->flags |= ITE_INGRF;
672 if ((ip->flags & ITE_ACTIVE) == 0)
673 return;
674 if ((flag & 1) ||
675 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
676 SUBR_DEINIT(ip);
677 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
678 ip->flags &= ~ITE_ACTIVE;
679 }
680
681 /* XXX called after changes made in underlying grf layer. */
682 /* I want to nuke this */
683 void
684 ite_reinit(dev)
685 dev_t dev;
686 {
687 struct ite_softc *ip;
688
689 ip = getitesp(dev);
690 ip->flags &= ~ITE_INITED;
691 iteinit(dev);
692 }
693
694 int
695 ite_param(tp, t)
696 struct tty *tp;
697 struct termios *t;
698 {
699 tp->t_ispeed = t->c_ispeed;
700 tp->t_ospeed = t->c_ospeed;
701 tp->t_cflag = t->c_cflag;
702 return (0);
703 }
704
705 void
706 ite_reset(ip)
707 struct ite_softc *ip;
708 {
709 int i;
710
711 ip->curx = 0;
712 ip->cury = 0;
713 ip->attribute = ATTR_NOR;
714 ip->save_curx = 0;
715 ip->save_cury = 0;
716 ip->save_attribute = ATTR_NOR;
717 ip->ap = ip->argbuf;
718 ip->emul_level = 0;
719 ip->eightbit_C1 = 0;
720 ip->top_margin = 0;
721 ip->bottom_margin = ip->rows - 1;
722 ip->inside_margins = 0;
723 ip->linefeed_newline = 0;
724 ip->auto_wrap = ite_default_wrap;
725 ip->cursor_appmode = 0;
726 ip->keypad_appmode = 0;
727 ip->imode = 0;
728 ip->key_repeat = 1;
729 bzero(ip->tabs, ip->cols);
730 for (i = 0; i < ip->cols; i++)
731 ip->tabs[i] = ((i & 7) == 0);
732 }
733
734 /*
735 * has to be global becuase of the shared filters.
736 */
737 static u_char key_mod;
738 static u_char last_dead;
739
740 /* Used in console at startup only */
741 int
742 ite_cnfilter(c, caller)
743 u_char c;
744 enum caller caller;
745 {
746 struct key key;
747 u_char code, up, mask;
748 int s, i;
749
750 up = c & 0x80 ? 1 : 0;
751 c &= 0x7f;
752 code = 0;
753
754 s = spltty();
755
756 i = (int)c - KBD_LEFT_SHIFT;
757 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
758 mask = 1 << i;
759 if (up)
760 key_mod &= ~mask;
761 else
762 key_mod |= mask;
763 splx(s);
764 return -1;
765 }
766
767 if (up) {
768 splx(s);
769 return -1;
770 }
771
772 /* translate modifiers */
773 if (key_mod & KBD_MOD_SHIFT) {
774 if (key_mod & KBD_MOD_ALT)
775 key = kbdmap.alt_shift_keys[c];
776 else
777 key = kbdmap.shift_keys[c];
778 } else if (key_mod & KBD_MOD_ALT)
779 key = kbdmap.alt_keys[c];
780 else {
781 key = kbdmap.keys[c];
782 /* if CAPS and key is CAPable (no pun intended) */
783 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
784 key = kbdmap.shift_keys[c];
785 }
786 code = key.code;
787
788 /* if string return */
789 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
790 splx(s);
791 return -1;
792 }
793 /* handle dead keys */
794 if (key.mode & KBD_MODE_DEAD) {
795 /* if entered twice, send accent itself */
796 if (last_dead == key.mode & KBD_MODE_ACCMASK)
797 last_dead = 0;
798 else {
799 last_dead = key.mode & KBD_MODE_ACCMASK;
800 splx(s);
801 return -1;
802 }
803 }
804 if (last_dead) {
805 /* can't apply dead flag to string-keys */
806 if (code >= '@' && code < 0x7f)
807 code =
808 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
809 last_dead = 0;
810 }
811 if (key_mod & KBD_MOD_CTRL)
812 code &= 0x1f;
813 if (key_mod & KBD_MOD_META)
814 code |= 0x80;
815
816 /* do console mapping. */
817 code = code == '\r' ? '\n' : code;
818
819 splx(s);
820 return (code);
821 }
822
823 /* And now the old stuff. */
824
825 /* these are used to implement repeating keys.. */
826 static u_char last_char;
827 static u_char tout_pending;
828
829
830 static void
831 ite_sifilter(void *arg1, void *arg2)
832 {
833 ite_filter((u_char)arg1, (enum caller)arg2);
834 }
835
836
837 /*ARGSUSED*/
838 static void
839 repeat_handler(arg)
840 void *arg;
841 {
842 tout_pending = 0;
843 if (last_char)
844 add_sicallback(ite_sifilter, (void *)last_char,
845 (void *)ITEFILT_REPEATER);
846 }
847
848 void
849 ite_filter(c, caller)
850 u_char c;
851 enum caller caller;
852 {
853 struct tty *kbd_tty;
854 u_char code, *str, up, mask;
855 struct key key;
856 int s, i;
857
858 if (kbd_ite == NULL || kbd_ite->tp == NULL)
859 return;
860
861 kbd_tty = kbd_ite->tp;
862
863 /* have to make sure we're at spltty in here */
864 s = spltty();
865
866 /*
867 * keyboard interrupts come at priority 2, while softint
868 * generated keyboard-repeat interrupts come at level 1. So,
869 * to not allow a key-up event to get thru before a repeat for
870 * the key-down, we remove any outstanding callout requests..
871 */
872 rem_sicallback(ite_filter);
873
874 up = c & 0x80 ? 1 : 0;
875 c &= 0x7f;
876 code = 0;
877
878 i = (int)c - KBD_LEFT_SHIFT;
879 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
880 mask = 1 << i;
881 if (up)
882 key_mod &= ~mask;
883 else
884 key_mod |= mask;
885 splx(s);
886 return;
887 }
888 /* stop repeating on up event */
889 if (up) {
890 if (tout_pending) {
891 untimeout(repeat_handler, 0);
892 tout_pending = 0;
893 last_char = 0;
894 }
895 splx(s);
896 return;
897 } else if (tout_pending && last_char != c) {
898 /* different character, stop also */
899 untimeout(repeat_handler, 0);
900 tout_pending = 0;
901 last_char = 0;
902 }
903 /* Safety button, switch back to ascii keymap. */
904 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
905 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
906
907 splx(s);
908 return;
909 #ifdef DDB
910 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
911 extern int Debugger();
912 Debugger();
913 splx(s);
914 return;
915 #endif
916 }
917 /* translate modifiers */
918 if (key_mod & KBD_MOD_SHIFT) {
919 if (key_mod & KBD_MOD_ALT)
920 key = kbdmap.alt_shift_keys[c];
921 else
922 key = kbdmap.shift_keys[c];
923 } else if (key_mod & KBD_MOD_ALT)
924 key = kbdmap.alt_keys[c];
925 else {
926 key = kbdmap.keys[c];
927 /* if CAPS and key is CAPable (no pun intended) */
928 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
929 key = kbdmap.shift_keys[c];
930 }
931 code = key.code;
932
933 /*
934 * arrange to repeat the keystroke. By doing this at the level
935 * of scan-codes, we can have function keys, and keys that
936 * send strings, repeat too. This also entitles an additional
937 * overhead, since we have to do the conversion each time, but
938 * I guess that's ok.
939 */
940 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
941 tout_pending = 1;
942 last_char = c;
943 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
944 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
945 kbd_ite->key_repeat) {
946 tout_pending = 1;
947 last_char = c;
948 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
949 }
950 /* handle dead keys */
951 if (key.mode & KBD_MODE_DEAD) {
952 /* if entered twice, send accent itself */
953 if (last_dead == key.mode & KBD_MODE_ACCMASK)
954 last_dead = 0;
955 else {
956 last_dead = key.mode & KBD_MODE_ACCMASK;
957 splx(s);
958 return;
959 }
960 }
961 if (last_dead) {
962 /* can't apply dead flag to string-keys */
963 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
964 code < 0x7f)
965 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
966 last_dead = 0;
967 }
968 /* if not string, apply META and CTRL modifiers */
969 if (!(key.mode & KBD_MODE_STRING)
970 && (!(key.mode & KBD_MODE_KPAD) ||
971 (kbd_ite && !kbd_ite->keypad_appmode))) {
972 if (key_mod & KBD_MOD_CTRL)
973 code &= 0x1f;
974 if (key_mod & KBD_MOD_META)
975 code |= 0x80;
976 } else if ((key.mode & KBD_MODE_KPAD) &&
977 (kbd_ite && kbd_ite->keypad_appmode)) {
978 static char in[] = {
979 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
980 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
981 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
982 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
983 0x5c /* / */, 0x5d /* * */
984 };
985 static char *out = "pqrstuvwxymlnMPQRS";
986 char *cp = index (in, c);
987
988 /*
989 * keypad-appmode sends SS3 followed by the above
990 * translated character
991 */
992 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
993 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty);
994 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
995 splx(s);
996 return;
997 } else {
998 /* *NO* I don't like this.... */
999 static u_char app_cursor[] =
1000 {
1001 3, 27, 'O', 'A',
1002 3, 27, 'O', 'B',
1003 3, 27, 'O', 'C',
1004 3, 27, 'O', 'D'};
1005
1006 str = kbdmap.strings + code;
1007 /*
1008 * if this is a cursor key, AND it has the default
1009 * keymap setting, AND we're in app-cursor mode, switch
1010 * to the above table. This is *nasty* !
1011 */
1012 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
1013 && !bcmp(str, "\x03\x1b[", 3) &&
1014 index("ABCD", str[3]))
1015 str = app_cursor + 4 * (str[3] - 'A');
1016
1017 /*
1018 * using a length-byte instead of 0-termination allows
1019 * to embed \0 into strings, although this is not used
1020 * in the default keymap
1021 */
1022 for (i = *str++; i; i--)
1023 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1024 splx(s);
1025 return;
1026 }
1027 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
1028
1029 splx(s);
1030 return;
1031 }
1032
1033 /* helper functions, makes the code below more readable */
1034 static void inline
1035 ite_sendstr(str)
1036 char *str;
1037 {
1038 struct tty *kbd_tty;
1039
1040 kbd_tty = kbd_ite->tp;
1041 KDASSERT(kbd_tty);
1042 while (*str)
1043 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
1044 }
1045
1046 static void
1047 alignment_display(ip)
1048 struct ite_softc *ip;
1049 {
1050 int i, j;
1051
1052 for (j = 0; j < ip->rows; j++)
1053 for (i = 0; i < ip->cols; i++)
1054 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1055 attrclr(ip, 0, 0, ip->rows, ip->cols);
1056 SUBR_CURSOR(ip, DRAW_CURSOR);
1057 }
1058
1059 static void inline
1060 snap_cury(ip)
1061 struct ite_softc *ip;
1062 {
1063 if (ip->inside_margins)
1064 {
1065 if (ip->cury < ip->top_margin)
1066 ip->cury = ip->top_margin;
1067 if (ip->cury > ip->bottom_margin)
1068 ip->cury = ip->bottom_margin;
1069 }
1070 }
1071
1072 static void inline
1073 ite_dnchar(ip, n)
1074 struct ite_softc *ip;
1075 int n;
1076 {
1077 n = min(n, ip->cols - ip->curx);
1078 if (n < ip->cols - ip->curx)
1079 {
1080 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1081 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1082 1, ip->cols - ip->curx - n);
1083 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1084 }
1085 while (n-- > 0)
1086 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1087 SUBR_CURSOR(ip, DRAW_CURSOR);
1088 }
1089
1090 static void inline
1091 ite_inchar(ip, n)
1092 struct ite_softc *ip;
1093 int n;
1094 {
1095 n = min(n, ip->cols - ip->curx);
1096 if (n < ip->cols - ip->curx)
1097 {
1098 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1099 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1100 1, ip->cols - ip->curx - n);
1101 attrclr(ip, ip->cury, ip->curx, 1, n);
1102 }
1103 while (n--)
1104 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1105 SUBR_CURSOR(ip, DRAW_CURSOR);
1106 }
1107
1108 static void inline
1109 ite_clrtoeol(ip)
1110 struct ite_softc *ip;
1111 {
1112 int y = ip->cury, x = ip->curx;
1113 if (ip->cols - x > 0)
1114 {
1115 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1116 attrclr(ip, y, x, 1, ip->cols - x);
1117 SUBR_CURSOR(ip, DRAW_CURSOR);
1118 }
1119 }
1120
1121 static void inline
1122 ite_clrtobol(ip)
1123 struct ite_softc *ip;
1124 {
1125 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1126 SUBR_CLEAR(ip, y, 0, 1, x);
1127 attrclr(ip, y, 0, 1, x);
1128 SUBR_CURSOR(ip, DRAW_CURSOR);
1129 }
1130
1131 static void inline
1132 ite_clrline(ip)
1133 struct ite_softc *ip;
1134 {
1135 int y = ip->cury;
1136 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1137 attrclr(ip, y, 0, 1, ip->cols);
1138 SUBR_CURSOR(ip, DRAW_CURSOR);
1139 }
1140
1141
1142
1143 static void inline
1144 ite_clrtoeos(ip)
1145 struct ite_softc *ip;
1146 {
1147 ite_clrtoeol(ip);
1148 if (ip->cury < ip->rows - 1)
1149 {
1150 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1151 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1152 SUBR_CURSOR(ip, DRAW_CURSOR);
1153 }
1154 }
1155
1156 static void inline
1157 ite_clrtobos(ip)
1158 struct ite_softc *ip;
1159 {
1160 ite_clrtobol(ip);
1161 if (ip->cury > 0)
1162 {
1163 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1164 attrclr(ip, 0, 0, ip->cury, ip->cols);
1165 SUBR_CURSOR(ip, DRAW_CURSOR);
1166 }
1167 }
1168
1169 static void inline
1170 ite_clrscreen(ip)
1171 struct ite_softc *ip;
1172 {
1173 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1174 attrclr(ip, 0, 0, ip->rows, ip->cols);
1175 SUBR_CURSOR(ip, DRAW_CURSOR);
1176 }
1177
1178
1179
1180 static void inline
1181 ite_dnline(ip, n)
1182 struct ite_softc *ip;
1183 int n;
1184 {
1185 /* interesting.. if the cursor is outside the scrolling
1186 region, this command is simply ignored.. */
1187 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1188 return;
1189
1190 n = min(n, ip->bottom_margin + 1 - ip->cury);
1191 if (n <= ip->bottom_margin - ip->cury)
1192 {
1193 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1194 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1195 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1196 }
1197 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1198 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1199 SUBR_CURSOR(ip, DRAW_CURSOR);
1200 }
1201
1202 static void inline
1203 ite_inline(ip, n)
1204 struct ite_softc *ip;
1205 int n;
1206 {
1207 /* interesting.. if the cursor is outside the scrolling
1208 region, this command is simply ignored.. */
1209 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1210 return;
1211
1212 n = min(n, ip->bottom_margin + 1 - ip->cury);
1213 if (n <= ip->bottom_margin - ip->cury)
1214 {
1215 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1216 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1217 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1218 }
1219 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1220 attrclr(ip, ip->cury, 0, n, ip->cols);
1221 SUBR_CURSOR(ip, DRAW_CURSOR);
1222 }
1223
1224 static void inline
1225 ite_lf (ip)
1226 struct ite_softc *ip;
1227 {
1228 ++ip->cury;
1229 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1230 {
1231 ip->cury--;
1232 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1233 ite_clrline(ip);
1234 }
1235 SUBR_CURSOR(ip, MOVE_CURSOR);
1236 clr_attr(ip, ATTR_INV);
1237 }
1238
1239 static void inline
1240 ite_crlf (ip)
1241 struct ite_softc *ip;
1242 {
1243 ip->curx = 0;
1244 ite_lf (ip);
1245 }
1246
1247 static void inline
1248 ite_cr (ip)
1249 struct ite_softc *ip;
1250 {
1251 if (ip->curx)
1252 {
1253 ip->curx = 0;
1254 SUBR_CURSOR(ip, MOVE_CURSOR);
1255 }
1256 }
1257
1258 static void inline
1259 ite_rlf (ip)
1260 struct ite_softc *ip;
1261 {
1262 ip->cury--;
1263 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1264 {
1265 ip->cury++;
1266 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1267 ite_clrline(ip);
1268 }
1269 SUBR_CURSOR(ip, MOVE_CURSOR);
1270 clr_attr(ip, ATTR_INV);
1271 }
1272
1273 static int inline
1274 atoi (cp)
1275 const char *cp;
1276 {
1277 int n;
1278
1279 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1280 n = n * 10 + *cp - '0';
1281
1282 return n;
1283 }
1284
1285 static char *
1286 index (cp, ch)
1287 const char *cp;
1288 char ch;
1289 {
1290 while (*cp && *cp != ch) cp++;
1291 return *cp ? (char *) cp : 0;
1292 }
1293
1294
1295
1296 static int inline
1297 ite_argnum (ip)
1298 struct ite_softc *ip;
1299 {
1300 char ch;
1301 int n;
1302
1303 /* convert argument string into number */
1304 if (ip->ap == ip->argbuf)
1305 return 1;
1306 ch = *ip->ap;
1307 *ip->ap = 0;
1308 n = atoi (ip->argbuf);
1309 *ip->ap = ch;
1310
1311 return n;
1312 }
1313
1314 static int inline
1315 ite_zargnum (ip)
1316 struct ite_softc *ip;
1317 {
1318 char ch, *cp;
1319 int n;
1320
1321 /* convert argument string into number */
1322 if (ip->ap == ip->argbuf)
1323 return 0;
1324 ch = *ip->ap;
1325 *ip->ap = 0;
1326 n = atoi (ip->argbuf);
1327 *ip->ap = ch;
1328
1329 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1330 }
1331
1332 static int inline
1333 strncmp (a, b, l)
1334 const char *a, *b;
1335 int l;
1336 {
1337 for (;l--; a++, b++)
1338 if (*a != *b)
1339 return *a - *b;
1340 return 0;
1341 }
1342
1343 void
1344 ite_putstr(s, len, dev)
1345 const char *s;
1346 int len;
1347 dev_t dev;
1348 {
1349 struct ite_softc *ip;
1350 int i;
1351
1352 ip = getitesp(dev);
1353
1354 /* XXX avoid problems */
1355 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1356 return;
1357
1358 SUBR_CURSOR(ip, START_CURSOROPT);
1359 for (i = 0; i < len; i++)
1360 if (s[i])
1361 iteputchar(s[i], ip);
1362 SUBR_CURSOR(ip, END_CURSOROPT);
1363 }
1364
1365 void
1366 iteputchar(c, ip)
1367 register int c;
1368 struct ite_softc *ip;
1369 {
1370 struct tty *kbd_tty;
1371 int n, x, y;
1372 char *cp;
1373
1374 if (kbd_ite == NULL)
1375 kbd_tty = NULL;
1376 else
1377 kbd_tty = kbd_ite->tp;
1378
1379 if (ip->escape) {
1380 doesc:
1381 switch (ip->escape) {
1382 case ESC:
1383 switch (c) {
1384 /*
1385 * first 7bit equivalents for the
1386 * 8bit control characters
1387 */
1388 case 'D':
1389 c = IND;
1390 ip->escape = 0;
1391 break;
1392 /*
1393 * and fall into the next
1394 * switch below (same for all `break')
1395 */
1396 case 'E':
1397 c = NEL;
1398 ip->escape = 0;
1399 break;
1400 case 'H':
1401 c = HTS;
1402 ip->escape = 0;
1403 break;
1404 case 'M':
1405 c = RI;
1406 ip->escape = 0;
1407 break;
1408 case 'N':
1409 c = SS2;
1410 ip->escape = 0;
1411 break;
1412 case 'O':
1413 c = SS3;
1414 ip->escape = 0;
1415 break;
1416 case 'P':
1417 c = DCS;
1418 ip->escape = 0;
1419 break;
1420 case '[':
1421 c = CSI;
1422 ip->escape = 0;
1423 break;
1424 case '\\':
1425 c = ST;
1426 ip->escape = 0;
1427 break;
1428 case ']':
1429 c = OSC;
1430 ip->escape = 0;
1431 break;
1432 case '^':
1433 c = PM;
1434 ip->escape = 0;
1435 break;
1436 case '_':
1437 c = APC;
1438 ip->escape = 0;
1439 break;
1440 /* introduces 7/8bit control */
1441 case ' ':
1442 /* can be followed by either F or G */
1443 ip->escape = ' ';
1444 break;
1445 /*
1446 * a lot of character set selections, not yet
1447 * used... 94-character sets:
1448 */
1449 case '(': /* G0 */
1450 case ')': /* G1 */
1451 ip->escape = c;
1452 return;
1453 case '*': /* G2 */
1454 case '+': /* G3 */
1455 case 'B': /* ASCII */
1456 case 'A': /* ISO latin 1 */
1457 case '<': /* user preferred suplemental */
1458 case '0': /* dec special graphics */
1459 /*
1460 * 96-character sets:
1461 */
1462 case '-': /* G1 */
1463 case '.': /* G2 */
1464 case '/': /* G3 */
1465 /*
1466 * national character sets:
1467 */
1468 case '4': /* dutch */
1469 case '5':
1470 case 'C': /* finnish */
1471 case 'R': /* french */
1472 case 'Q': /* french canadian */
1473 case 'K': /* german */
1474 case 'Y': /* italian */
1475 case '6': /* norwegian/danish */
1476 /*
1477 * note: %5 and %6 are not supported (two
1478 * chars..)
1479 */
1480 ip->escape = 0;
1481 /* just ignore for now */
1482 return;
1483 /*
1484 * locking shift modes (as you might guess, not
1485 * yet supported..)
1486 */
1487 case '`':
1488 ip->GR = ip->G1;
1489 ip->escape = 0;
1490 return;
1491 case 'n':
1492 ip->GL = ip->G2;
1493 ip->escape = 0;
1494 return;
1495 case '}':
1496 ip->GR = ip->G2;
1497 ip->escape = 0;
1498 return;
1499 case 'o':
1500 ip->GL = ip->G3;
1501 ip->escape = 0;
1502 return;
1503 case '|':
1504 ip->GR = ip->G3;
1505 ip->escape = 0;
1506 return;
1507 case '#':
1508 /* font width/height control */
1509 ip->escape = '#';
1510 return;
1511 case 'c':
1512 /* hard terminal reset .. */
1513 ite_reset(ip);
1514 SUBR_CURSOR(ip, MOVE_CURSOR);
1515 ip->escape = 0;
1516 return;
1517 case '7':
1518 ip->save_curx = ip->curx;
1519 ip->save_cury = ip->cury;
1520 ip->save_attribute = ip->attribute;
1521 ip->escape = 0;
1522 return;
1523 case '8':
1524 ip->curx = ip->save_curx;
1525 ip->cury = ip->save_cury;
1526 ip->attribute = ip->save_attribute;
1527 SUBR_CURSOR(ip, MOVE_CURSOR);
1528 ip->escape = 0;
1529 return;
1530 case '=':
1531 ip->keypad_appmode = 1;
1532 ip->escape = 0;
1533 return;
1534 case '>':
1535 ip->keypad_appmode = 0;
1536 ip->escape = 0;
1537 return;
1538 case 'Z': /* request ID */
1539 /* XXX not clean */
1540 if (ip->emul_level == EMUL_VT100)
1541 ite_sendstr("\033[?61;0c");
1542 else
1543 ite_sendstr("\033[?63;0c");
1544 ip->escape = 0;
1545 return;
1546 default:
1547 /*
1548 * default catch all for not recognized ESC
1549 * sequences
1550 */
1551 ip->escape = 0;
1552 return;
1553 }
1554 break;
1555 case '(':
1556 case ')':
1557 ip->escape = 0;
1558 return;
1559 case ' ':
1560 switch (c) {
1561 case 'F':
1562 ip->eightbit_C1 = 0;
1563 ip->escape = 0;
1564 return;
1565 case 'G':
1566 ip->eightbit_C1 = 1;
1567 ip->escape = 0;
1568 return;
1569 default:
1570 /* not supported */
1571 ip->escape = 0;
1572 return;
1573 }
1574 break;
1575 case '#':
1576 switch (c) {
1577 case '5':
1578 /* single height, single width */
1579 ip->escape = 0;
1580 return;
1581 case '6':
1582 /* double width, single height */
1583 ip->escape = 0;
1584 return;
1585 case '3':
1586 /* top half */
1587 ip->escape = 0;
1588 return;
1589 case '4':
1590 /* bottom half */
1591 ip->escape = 0;
1592 return;
1593 case '8':
1594 /* screen alignment pattern... */
1595 alignment_display(ip);
1596 ip->escape = 0;
1597 return;
1598 default:
1599 ip->escape = 0;
1600 return;
1601 }
1602 break;
1603 case CSI:
1604 /* the biggie... */
1605 switch (c) {
1606 case '0':
1607 case '1':
1608 case '2':
1609 case '3':
1610 case '4':
1611 case '5':
1612 case '6':
1613 case '7':
1614 case '8':
1615 case '9':
1616 case ';':
1617 case '\"':
1618 case '$':
1619 case '>':
1620 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1621 *ip->ap++ = c;
1622 return;
1623 case BS:
1624 /*
1625 * you wouldn't believe such perversion is
1626 * possible? it is.. BS is allowed in between
1627 * cursor sequences (at least), according to
1628 * vttest..
1629 */
1630 if (--ip->curx < 0)
1631 ip->curx = 0;
1632 else
1633 SUBR_CURSOR(ip, MOVE_CURSOR);
1634 break;
1635 case 'p':
1636 *ip->ap = 0;
1637 if (!strncmp(ip->argbuf, "61\"", 3))
1638 ip->emul_level = EMUL_VT100;
1639 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1640 || !strncmp(ip->argbuf, "62;1\"", 5))
1641 ip->emul_level = EMUL_VT300_7;
1642 else
1643 ip->emul_level = EMUL_VT300_8;
1644 ip->escape = 0;
1645 return;
1646 case '?':
1647 *ip->ap = 0;
1648 ip->escape = '?';
1649 ip->ap = ip->argbuf;
1650 return;
1651 case 'c':
1652 *ip->ap = 0;
1653 if (ip->argbuf[0] == '>') {
1654 ite_sendstr("\033[>24;0;0;0c");
1655 } else
1656 switch (ite_zargnum(ip)) {
1657 case 0:
1658 /*
1659 * primary DA request, send
1660 * primary DA response
1661 */
1662 if (ip->emul_level
1663 == EMUL_VT100)
1664 ite_sendstr(
1665 "\033[?1;1c");
1666 else
1667 ite_sendstr(
1668 "\033[?63;1c");
1669 break;
1670 }
1671 ip->escape = 0;
1672 return;
1673 case 'n':
1674 switch (ite_zargnum(ip)) {
1675 case 5:
1676 /* no malfunction */
1677 ite_sendstr("\033[0n");
1678 break;
1679 case 6:
1680 /* cursor position report */
1681 sprintf(ip->argbuf, "\033[%d;%dR",
1682 ip->cury + 1, ip->curx + 1);
1683 ite_sendstr(ip->argbuf);
1684 break;
1685 }
1686 ip->escape = 0;
1687 return;
1688 case 'x':
1689 switch (ite_zargnum(ip)) {
1690 case 0:
1691 /* Fake some terminal parameters. */
1692 ite_sendstr("\033[2;1;1;112;112;1;0x");
1693 break;
1694 case 1:
1695 ite_sendstr("\033[3;1;1;112;112;1;0x");
1696 break;
1697 }
1698 ip->escape = 0;
1699 return;
1700 case 'g':
1701 switch (ite_zargnum(ip)) {
1702 case 0:
1703 if (ip->curx < ip->cols)
1704 ip->tabs[ip->curx] = 0;
1705 break;
1706 case 3:
1707 for (n = 0; n < ip->cols; n++)
1708 ip->tabs[n] = 0;
1709 break;
1710 }
1711 ip->escape = 0;
1712 return;
1713 case 'h':
1714 case 'l':
1715 n = ite_zargnum(ip);
1716 switch (n) {
1717 case 4:
1718 /* insert/replace mode */
1719 ip->imode = (c == 'h');
1720 break;
1721 case 20:
1722 ip->linefeed_newline = (c == 'h');
1723 break;
1724 }
1725 ip->escape = 0;
1726 return;
1727 case 'M':
1728 ite_dnline(ip, ite_argnum(ip));
1729 ip->escape = 0;
1730 return;
1731 case 'L':
1732 ite_inline(ip, ite_argnum(ip));
1733 ip->escape = 0;
1734 return;
1735 case 'P':
1736 ite_dnchar(ip, ite_argnum(ip));
1737 ip->escape = 0;
1738 return;
1739 case '@':
1740 ite_inchar(ip, ite_argnum(ip));
1741 ip->escape = 0;
1742 return;
1743 case 'G':
1744 /*
1745 * this one was *not* in my vt320 manual but in
1746 * a vt320 termcap entry.. who is right? It's
1747 * supposed to set the horizontal cursor
1748 * position.
1749 */
1750 *ip->ap = 0;
1751 x = atoi(ip->argbuf);
1752 if (x)
1753 x--;
1754 ip->curx = min(x, ip->cols - 1);
1755 ip->escape = 0;
1756 SUBR_CURSOR(ip, MOVE_CURSOR);
1757 clr_attr(ip, ATTR_INV);
1758 return;
1759 case 'd':
1760 /*
1761 * same thing here, this one's for setting the
1762 * absolute vertical cursor position. Not
1763 * documented...
1764 */
1765 *ip->ap = 0;
1766 y = atoi(ip->argbuf);
1767 if (y)
1768 y--;
1769 if (ip->inside_margins)
1770 y += ip->top_margin;
1771 ip->cury = min(y, ip->rows - 1);
1772 ip->escape = 0;
1773 snap_cury(ip);
1774 SUBR_CURSOR(ip, MOVE_CURSOR);
1775 clr_attr(ip, ATTR_INV);
1776 return;
1777 case 'H':
1778 case 'f':
1779 *ip->ap = 0;
1780 y = atoi(ip->argbuf);
1781 x = 0;
1782 cp = index(ip->argbuf, ';');
1783 if (cp)
1784 x = atoi(cp + 1);
1785 if (x)
1786 x--;
1787 if (y)
1788 y--;
1789 if (ip->inside_margins)
1790 y += ip->top_margin;
1791 ip->cury = min(y, ip->rows - 1);
1792 ip->curx = min(x, ip->cols - 1);
1793 ip->escape = 0;
1794 snap_cury(ip);
1795 SUBR_CURSOR(ip, MOVE_CURSOR);
1796 clr_attr(ip, ATTR_INV);
1797 return;
1798 case 'A':
1799 n = ite_argnum(ip);
1800 n = ip->cury - (n ? n : 1);
1801 if (n < 0)
1802 n = 0;
1803 if (ip->inside_margins)
1804 n = max(ip->top_margin, n);
1805 else if (n == ip->top_margin - 1)
1806 /*
1807 * allow scrolling outside region, but
1808 * don't scroll out of active region
1809 * without explicit CUP
1810 */
1811 n = ip->top_margin;
1812 ip->cury = n;
1813 ip->escape = 0;
1814 SUBR_CURSOR(ip, MOVE_CURSOR);
1815 clr_attr(ip, ATTR_INV);
1816 return;
1817 case 'B':
1818 n = ite_argnum(ip);
1819 n = ip->cury + (n ? n : 1);
1820 n = min(ip->rows - 1, n);
1821 if (ip->inside_margins)
1822 n = min(ip->bottom_margin, n);
1823 else if (n == ip->bottom_margin + 1)
1824 /*
1825 * allow scrolling outside region, but
1826 * don't scroll out of active region
1827 * without explicit CUP
1828 */
1829 n = ip->bottom_margin;
1830 ip->cury = n;
1831 ip->escape = 0;
1832 SUBR_CURSOR(ip, MOVE_CURSOR);
1833 clr_attr(ip, ATTR_INV);
1834 return;
1835 case 'C':
1836 n = ite_argnum(ip);
1837 n = n ? n : 1;
1838 ip->curx = min(ip->curx + n, ip->cols - 1);
1839 ip->escape = 0;
1840 SUBR_CURSOR(ip, MOVE_CURSOR);
1841 clr_attr(ip, ATTR_INV);
1842 return;
1843 case 'D':
1844 n = ite_argnum(ip);
1845 n = n ? n : 1;
1846 n = ip->curx - n;
1847 ip->curx = n >= 0 ? n : 0;
1848 ip->escape = 0;
1849 SUBR_CURSOR(ip, MOVE_CURSOR);
1850 clr_attr(ip, ATTR_INV);
1851 return;
1852 case 'J':
1853 *ip->ap = 0;
1854 n = ite_zargnum(ip);
1855 if (n == 0)
1856 ite_clrtoeos(ip);
1857 else if (n == 1)
1858 ite_clrtobos(ip);
1859 else if (n == 2)
1860 ite_clrscreen(ip);
1861 ip->escape = 0;
1862 return;
1863 case 'K':
1864 n = ite_zargnum(ip);
1865 if (n == 0)
1866 ite_clrtoeol(ip);
1867 else if (n == 1)
1868 ite_clrtobol(ip);
1869 else if (n == 2)
1870 ite_clrline(ip);
1871 ip->escape = 0;
1872 return;
1873 case 'X':
1874 n = ite_argnum(ip) - 1;
1875 n = min(n, ip->cols - 1 - ip->curx);
1876 for (; n >= 0; n--) {
1877 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1878 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1879 }
1880 ip->escape = 0;
1881 return;
1882 case '}':
1883 case '`':
1884 /* status line control */
1885 ip->escape = 0;
1886 return;
1887 case 'r':
1888 *ip->ap = 0;
1889 x = atoi(ip->argbuf);
1890 x = x ? x : 1;
1891 y = ip->rows;
1892 cp = index(ip->argbuf, ';');
1893 if (cp) {
1894 y = atoi(cp + 1);
1895 y = y ? y : ip->rows;
1896 }
1897 if (y - x < 2) {
1898 /*
1899 * if illegal scrolling region, reset
1900 * to defaults
1901 */
1902 x = 1;
1903 y = ip->rows;
1904 }
1905 x--;
1906 y--;
1907 ip->top_margin = min(x, ip->rows - 1);
1908 ip->bottom_margin = min(y, ip->rows - 1);
1909 if (ip->inside_margins) {
1910 ip->cury = ip->top_margin;
1911 ip->curx = 0;
1912 SUBR_CURSOR(ip, MOVE_CURSOR);
1913 }
1914 ip->escape = 0;
1915 return;
1916 case 'm':
1917 /* big attribute setter/resetter */
1918 { char *cp;
1919 *ip->ap = 0;
1920 /* kludge to make CSIm work (== CSI0m) */
1921 if (ip->ap == ip->argbuf)
1922 ip->ap++;
1923 for (cp = ip->argbuf; cp < ip->ap;) {
1924 switch (*cp) {
1925 case 0:
1926 case '0':
1927 clr_attr(ip, ATTR_ALL);
1928 cp++;
1929 break;
1930
1931 case '1':
1932 set_attr(ip, ATTR_BOLD);
1933 cp++;
1934 break;
1935
1936 case '2':
1937 switch (cp[1]) {
1938 case '2':
1939 clr_attr(ip, ATTR_BOLD);
1940 cp += 2;
1941 break;
1942
1943 case '4':
1944 clr_attr(ip, ATTR_UL);
1945 cp += 2;
1946 break;
1947
1948 case '5':
1949 clr_attr(ip, ATTR_BLINK);
1950 cp += 2;
1951 break;
1952
1953 case '7':
1954 clr_attr(ip, ATTR_INV);
1955 cp += 2;
1956 break;
1957
1958 default:
1959 cp++;
1960 break;
1961 }
1962 break;
1963
1964 case '4':
1965 set_attr(ip, ATTR_UL);
1966 cp++;
1967 break;
1968
1969 case '5':
1970 set_attr(ip, ATTR_BLINK);
1971 cp++;
1972 break;
1973
1974 case '7':
1975 set_attr(ip, ATTR_INV);
1976 cp++;
1977 break;
1978
1979 default:
1980 cp++;
1981 break;
1982 }
1983 }
1984 ip->escape = 0;
1985 return; }
1986 case 'u':
1987 /* DECRQTSR */
1988 ite_sendstr("\033P\033\\");
1989 ip->escape = 0;
1990 return;
1991 default:
1992 ip->escape = 0;
1993 return;
1994 }
1995 break;
1996 case '?': /* CSI ? */
1997 switch (c) {
1998 case '0':
1999 case '1':
2000 case '2':
2001 case '3':
2002 case '4':
2003 case '5':
2004 case '6':
2005 case '7':
2006 case '8':
2007 case '9':
2008 case ';':
2009 case '\"':
2010 case '$':
2011 /*
2012 * Don't fill the last character;
2013 * it's needed.
2014 * XXX yeah, where ??
2015 */
2016 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2017 *ip->ap++ = c;
2018 return;
2019 case 'n':
2020 *ip->ap = 0;
2021 if (ip->ap == &ip->argbuf[2]) {
2022 if (!strncmp(ip->argbuf, "15", 2))
2023 /* printer status: no printer */
2024 ite_sendstr("\033[13n");
2025
2026 else if (!strncmp(ip->argbuf, "25", 2))
2027 /* udk status */
2028 ite_sendstr("\033[20n");
2029
2030 else if (!strncmp(ip->argbuf, "26", 2))
2031 /* keyboard dialect: US */
2032 ite_sendstr("\033[27;1n");
2033 }
2034 ip->escape = 0;
2035 return;
2036 case 'h':
2037 case 'l':
2038 n = ite_zargnum(ip);
2039 switch (n) {
2040 case 1:
2041 ip->cursor_appmode = (c == 'h');
2042 break;
2043 case 3:
2044 /* 132/80 columns (132 == 'h') */
2045 break;
2046 case 4: /* smooth scroll */
2047 break;
2048 case 5:
2049 /*
2050 * light background (=='h') /dark
2051 * background(=='l')
2052 */
2053 break;
2054 case 6: /* origin mode */
2055 ip->inside_margins = (c == 'h');
2056 ip->curx = 0;
2057 ip->cury = ip->inside_margins ?
2058 ip->top_margin : 0;
2059 SUBR_CURSOR(ip, MOVE_CURSOR);
2060 break;
2061 case 7: /* auto wraparound */
2062 ip->auto_wrap = (c == 'h');
2063 break;
2064 case 8: /* keyboard repeat */
2065 ip->key_repeat = (c == 'h');
2066 break;
2067 case 20: /* newline mode */
2068 ip->linefeed_newline = (c == 'h');
2069 break;
2070 case 25: /* cursor on/off */
2071 SUBR_CURSOR(ip, (c == 'h') ?
2072 DRAW_CURSOR : ERASE_CURSOR);
2073 break;
2074 }
2075 ip->escape = 0;
2076 return;
2077 default:
2078 ip->escape = 0;
2079 return;
2080 }
2081 break;
2082 default:
2083 ip->escape = 0;
2084 return;
2085 }
2086 }
2087 switch (c) {
2088 case VT: /* VT is treated like LF */
2089 case FF: /* so is FF */
2090 case LF:
2091 /*
2092 * cr->crlf distinction is done here, on output, not on input!
2093 */
2094 if (ip->linefeed_newline)
2095 ite_crlf(ip);
2096 else
2097 ite_lf(ip);
2098 break;
2099 case CR:
2100 ite_cr(ip);
2101 break;
2102 case BS:
2103 if (--ip->curx < 0)
2104 ip->curx = 0;
2105 else
2106 SUBR_CURSOR(ip, MOVE_CURSOR);
2107 break;
2108 case HT:
2109 for (n = ip->curx + 1; n < ip->cols; n++) {
2110 if (ip->tabs[n]) {
2111 ip->curx = n;
2112 SUBR_CURSOR(ip, MOVE_CURSOR);
2113 break;
2114 }
2115 }
2116 break;
2117 case BEL:
2118 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2119 ite_bell();
2120 break;
2121 case SO:
2122 ip->GL = ip->G1;
2123 break;
2124 case SI:
2125 ip->GL = ip->G0;
2126 break;
2127 case ENQ:
2128 /* send answer-back message !! */
2129 break;
2130 case CAN:
2131 ip->escape = 0; /* cancel any escape sequence in progress */
2132 break;
2133 case SUB:
2134 ip->escape = 0; /* dito, but see below */
2135 /* should also display a reverse question mark!! */
2136 break;
2137 case ESC:
2138 ip->escape = ESC;
2139 break;
2140 /*
2141 * now it gets weird.. 8bit control sequences..
2142 */
2143 case IND:
2144 /* index: move cursor down, scroll */
2145 ite_lf(ip);
2146 break;
2147 case NEL:
2148 /* next line. next line, first pos. */
2149 ite_crlf(ip);
2150 break;
2151 case HTS:
2152 /* set horizontal tab */
2153 if (ip->curx < ip->cols)
2154 ip->tabs[ip->curx] = 1;
2155 break;
2156 case RI:
2157 /* reverse index */
2158 ite_rlf(ip);
2159 break;
2160 case SS2:
2161 /* go into G2 for one character */
2162 /* not yet supported */
2163 break;
2164 case SS3:
2165 /* go into G3 for one character */
2166 break;
2167 case DCS:
2168 /* device control string introducer */
2169 ip->escape = DCS;
2170 ip->ap = ip->argbuf;
2171 break;
2172 case CSI:
2173 /* control sequence introducer */
2174 ip->escape = CSI;
2175 ip->ap = ip->argbuf;
2176 break;
2177 case ST:
2178 /* string terminator */
2179 /* ignore, if not used as terminator */
2180 break;
2181 case OSC:
2182 /*
2183 * introduces OS command. Ignore everything
2184 * upto ST
2185 */
2186 ip->escape = OSC;
2187 break;
2188 case PM:
2189 /* privacy message, ignore everything upto ST */
2190 ip->escape = PM;
2191 break;
2192 case APC:
2193 /*
2194 * application program command, ignore * everything upto ST
2195 */
2196 ip->escape = APC;
2197 break;
2198 default:
2199 if ((c & 0x7f) < ' ' || c == DEL)
2200 break;
2201 if (ip->imode)
2202 ite_inchar(ip, 1);
2203 iteprecheckwrap(ip);
2204 #ifdef DO_WEIRD_ATTRIBUTES
2205 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2206 attrset(ip, ATTR_INV);
2207 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2208 } else
2209 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2210 #else
2211 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2212 #endif
2213 SUBR_CURSOR(ip, DRAW_CURSOR);
2214 itecheckwrap(ip);
2215 break;
2216 }
2217 }
2218
2219 int
2220 iteprecheckwrap(ip)
2221 struct ite_softc *ip;
2222 {
2223 if (ip->auto_wrap && ip->curx == ip->cols) {
2224 ip->curx = 0;
2225 clr_attr(ip, ATTR_INV);
2226 if (++ip->cury >= ip->bottom_margin + 1) {
2227 ip->cury = ip->bottom_margin;
2228 SUBR_CURSOR(ip, MOVE_CURSOR);
2229 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2230 ite_clrtoeol(ip);
2231 } else
2232 SUBR_CURSOR(ip, MOVE_CURSOR);
2233 }
2234 }
2235
2236 int
2237 itecheckwrap(ip)
2238 struct ite_softc *ip;
2239 {
2240 #if 0
2241 if (++ip->curx == ip->cols) {
2242 if (ip->auto_wrap) {
2243 ip->curx = 0;
2244 clr_attr(ip, ATTR_INV);
2245 if (++ip->cury >= ip->bottom_margin + 1) {
2246 ip->cury = ip->bottom_margin;
2247 SUBR_CURSOR(ip, MOVE_CURSOR);
2248 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
2249 ite_clrtoeol(ip);
2250 return;
2251 }
2252 } else
2253 /* stay there if no autowrap.. */
2254 ip->curx--;
2255 }
2256 #else
2257 if (ip->curx < ip->cols) {
2258 ip->curx++;
2259 SUBR_CURSOR(ip, MOVE_CURSOR);
2260 }
2261 #endif
2262 }
2263