ite.c revision 1.85
1 /* $NetBSD: ite.c,v 1.85 2023/01/06 10:28:28 tsutsui 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. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: Utah Hdr: ite.c 1.1 90/07/09 37 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91 38 */ 39 40 /* 41 * ite - bitmapped terminal. 42 * Supports VT200, a few terminal features will be unavailable until 43 * the system actually probes the device (i.e. not after consinit()) 44 */ 45 46 #include <sys/cdefs.h> 47 __KERNEL_RCSID(0, "$NetBSD: ite.c,v 1.85 2023/01/06 10:28:28 tsutsui Exp $"); 48 49 #include "opt_ddb.h" 50 51 #include <sys/param.h> 52 #include <sys/kernel.h> 53 #include <sys/conf.h> 54 #include <sys/device.h> 55 #include <sys/kmem.h> 56 #include <sys/fcntl.h> 57 #include <sys/ioctl.h> 58 #include <sys/tty.h> 59 #include <sys/termios.h> 60 #include <sys/systm.h> 61 #include <sys/callout.h> 62 #include <sys/proc.h> 63 #include <dev/cons.h> 64 #include <sys/kauth.h> 65 66 #include <machine/cpu.h> 67 68 #include <atari/atari/device.h> 69 #include <atari/dev/event_var.h> 70 #include <atari/dev/kbdmap.h> 71 #include <atari/dev/kbdvar.h> 72 #include <atari/dev/iteioctl.h> 73 #include <atari/dev/itevar.h> 74 #include <atari/dev/grfioctl.h> 75 #include <atari/dev/grfabs_reg.h> 76 #include <atari/dev/grfvar.h> 77 #include <atari/dev/viewioctl.h> 78 #include <atari/dev/viewvar.h> 79 80 #include "ioconf.h" 81 82 #define ITEUNIT(dev) (minor(dev)) 83 84 #define SUBR_INIT(sc) (sc)->grf->g_iteinit(sc) 85 #define SUBR_DEINIT(sc) (sc)->grf->g_itedeinit(sc) 86 #define SUBR_PUTC(sc,c,dy,dx,m) (sc)->grf->g_iteputc(sc,c,dy,dx,m) 87 #define SUBR_CURSOR(sc,flg) (sc)->grf->g_itecursor(sc,flg) 88 #define SUBR_CLEAR(sc,sy,sx,h,w) (sc)->grf->g_iteclear(sc,sy,sx,h,w) 89 #define SUBR_SCROLL(sc,sy,sx,cnt,dir) (sc)->grf->g_itescroll(sc,sy,sx,cnt,dir) 90 91 int start_repeat_timeo = 30; /* first repeat after x s/100 */ 92 int next_repeat_timeo = 10; /* next repeat after x s/100 */ 93 94 /* 95 * Patchable 96 */ 97 int ite_default_x = 0; /* def leftedge offset */ 98 int ite_default_y = 0; /* def topedge offset */ 99 int ite_default_width = 640; /* def width */ 100 int ite_default_depth = 1; /* def depth */ 101 int ite_default_height = 400; /* def height */ 102 int ite_default_wrap = 1; /* if you want vtxxx-nam -> binpatch */ 103 104 struct ite_softc con_itesoftc; 105 u_char cons_tabs[MAX_TABS]; 106 107 struct ite_softc *kbd_ite; 108 int kbd_init; 109 110 static inline int atoi(const char *); 111 static inline int ite_argnum(struct ite_softc *); 112 static inline int ite_zargnum(struct ite_softc *); 113 static inline void ite_cr(struct ite_softc *); 114 static inline void ite_crlf(struct ite_softc *); 115 static inline void ite_clrline(struct ite_softc *); 116 static inline void ite_clrscreen(struct ite_softc *); 117 static inline void ite_clrtobos(struct ite_softc *); 118 static inline void ite_clrtobol(struct ite_softc *); 119 static inline void ite_clrtoeol(struct ite_softc *); 120 static inline void ite_clrtoeos(struct ite_softc *); 121 static inline void ite_dnchar(struct ite_softc *, int); 122 static inline void ite_inchar(struct ite_softc *, int); 123 static inline void ite_inline(struct ite_softc *, int); 124 static inline void ite_lf(struct ite_softc *); 125 static inline void ite_dnline(struct ite_softc *, int); 126 static inline void ite_rlf(struct ite_softc *); 127 static inline void ite_sendstr(const char *); 128 static inline void snap_cury(struct ite_softc *); 129 130 static void alignment_display(struct ite_softc *); 131 static struct ite_softc *getitesp(dev_t); 132 static void itecheckwrap(struct ite_softc *); 133 static void iteprecheckwrap(struct ite_softc *); 134 static void itestart(struct tty *); 135 static void ite_switch(int); 136 static void repeat_handler(void *); 137 138 static void iteputchar(int c, struct ite_softc *sc); 139 static void ite_putstr(const u_char * s, int len, dev_t dev); 140 141 static void iteattach(device_t, device_t, void *); 142 static int itematch(device_t, cfdata_t, void *); 143 144 /* 145 * Console specific types. 146 */ 147 dev_type_cnprobe(itecnprobe); 148 dev_type_cninit(itecninit); 149 dev_type_cngetc(itecngetc); 150 dev_type_cnputc(itecnputc); 151 152 CFATTACH_DECL_NEW(ite, sizeof(struct ite_softc), 153 itematch, iteattach, NULL, NULL); 154 155 static dev_type_open(iteopen); 156 static dev_type_close(iteclose); 157 static dev_type_read(iteread); 158 static dev_type_write(itewrite); 159 static dev_type_ioctl(iteioctl); 160 static dev_type_tty(itetty); 161 static dev_type_poll(itepoll); 162 163 const struct cdevsw ite_cdevsw = { 164 .d_open = iteopen, 165 .d_close = iteclose, 166 .d_read = iteread, 167 .d_write = itewrite, 168 .d_ioctl = iteioctl, 169 .d_stop = nostop, 170 .d_tty = itetty, 171 .d_poll = itepoll, 172 .d_mmap = nommap, 173 .d_kqfilter = ttykqfilter, 174 .d_discard = nodiscard, 175 .d_flag = D_TTY 176 }; 177 178 /* 179 * Keep track of the device number of the ite console. Only used in the 180 * itematch/iteattach functions. 181 */ 182 static int cons_ite = -1; 183 184 static int 185 itematch(device_t parent, cfdata_t cf, void *aux) 186 { 187 188 /* 189 * Handle early console stuff. The first unit number 190 * is the console unit. All other early matches will fail. 191 */ 192 if (atari_realconfig == 0) { 193 if (cons_ite >= 0) 194 return 0; 195 cons_ite = cf->cf_unit; 196 return 1; 197 } 198 return 1; 199 } 200 201 static void 202 iteattach(device_t parent, device_t self, void *aux) 203 { 204 struct grf_softc *gsc; 205 struct ite_softc *sc; 206 int s; 207 int maj, unit; 208 209 gsc = device_private(parent); 210 sc = device_private(self); 211 212 maj = cdevsw_lookup_major(&ite_cdevsw); 213 unit = (self != NULL) ? device_unit(self) : cons_ite; 214 gsc->g_itedev = makedev(maj, unit); 215 216 if (self != NULL) { 217 s = spltty(); 218 if (con_itesoftc.grf != NULL && 219 con_itesoftc.grf->g_unit == gsc->g_unit) { 220 /* 221 * console reinit copy params over. 222 * and console always gets keyboard 223 */ 224 memcpy(&sc->grf, &con_itesoftc.grf, 225 (char *)&sc[1] - (char *)&sc->grf); 226 con_itesoftc.grf = NULL; 227 kbd_ite = sc; 228 } 229 sc->grf = gsc; 230 splx(s); 231 232 iteinit(gsc->g_itedev); 233 aprint_normal(": %dx%d", sc->rows, sc->cols); 234 aprint_normal(" repeat at (%d/100)s next at (%d/100)s", 235 start_repeat_timeo, next_repeat_timeo); 236 237 if (kbd_ite == NULL) 238 kbd_ite = sc; 239 if (kbd_ite == sc) 240 aprint_normal(" has keyboard"); 241 aprint_normal("\n"); 242 sc->flags |= ITE_ATTACHED; 243 } else { 244 if (con_itesoftc.grf != NULL && 245 con_itesoftc.grf->g_conpri > gsc->g_conpri) 246 return; 247 con_itesoftc.grf = gsc; 248 con_itesoftc.tabs = cons_tabs; 249 } 250 } 251 252 static struct ite_softc * 253 getitesp(dev_t dev) 254 { 255 256 if (atari_realconfig && (con_itesoftc.grf == NULL)) 257 return(device_lookup_private(&ite_cd, ITEUNIT(dev))); 258 259 if (con_itesoftc.grf == NULL) 260 panic("no ite_softc for console"); 261 return(&con_itesoftc); 262 } 263 264 /* 265 * cons.c entry points into ite device. 266 */ 267 268 /* 269 * Return a priority in consdev->cn_pri field highest wins. This function 270 * is called before any devices have been probed. 271 */ 272 void 273 itecnprobe(struct consdev *cd) 274 { 275 /* 276 * return priority of the best ite (already picked from attach) 277 * or CN_DEAD. 278 */ 279 if (con_itesoftc.grf == NULL) 280 cd->cn_pri = CN_DEAD; 281 else { 282 cd->cn_pri = con_itesoftc.grf->g_conpri; 283 cd->cn_dev = con_itesoftc.grf->g_itedev; 284 } 285 } 286 287 void 288 itecninit(struct consdev *cd) 289 { 290 struct ite_softc *sc; 291 292 sc = getitesp(cd->cn_dev); 293 sc->flags |= ITE_ISCONS; 294 iteinit(cd->cn_dev); 295 sc->flags |= ITE_ACTIVE | ITE_ISCONS; 296 } 297 298 /* 299 * ite_cnfinish() is called in ite_init() when the device is 300 * being probed in the normal fashion, thus we can finish setting 301 * up this ite now that the system is more functional. 302 */ 303 void 304 ite_cnfinish(struct ite_softc *sc) 305 { 306 static int done; 307 308 if (done) 309 return; 310 done = 1; 311 } 312 313 int 314 itecngetc(dev_t dev) 315 { 316 int c; 317 318 do { 319 c = kbdgetcn(); 320 c = ite_cnfilter(c, ITEFILT_CONSOLE); 321 } while (c == -1); 322 return (c); 323 } 324 325 void 326 itecnputc(dev_t dev, int c) 327 { 328 static int paniced; 329 struct ite_softc *sc; 330 char ch; 331 332 sc = getitesp(dev); 333 ch = c; 334 335 if (panicstr && !paniced && 336 (sc->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 337 ite_on(dev, 3); 338 paniced = 1; 339 } 340 SUBR_CURSOR(sc, START_CURSOROPT); 341 iteputchar(ch, sc); 342 SUBR_CURSOR(sc, END_CURSOROPT); 343 } 344 345 /* 346 * standard entry points to the device. 347 */ 348 349 /* 350 * iteinit() is the standard entry point for initialization of 351 * an ite device, it is also called from itecninit(). 352 * 353 */ 354 void 355 iteinit(dev_t dev) 356 { 357 struct ite_softc *sc; 358 359 sc = getitesp(dev); 360 if (sc->flags & ITE_INITED) 361 return; 362 if (atari_realconfig) { 363 if (sc->kbdmap && sc->kbdmap != &ascii_kbdmap) 364 kmem_free(sc->kbdmap, sizeof(*sc->kbdmap)); 365 sc->kbdmap = kmem_alloc(sizeof(*sc->kbdmap), KM_SLEEP); 366 memcpy(sc->kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 367 } 368 else 369 sc->kbdmap = &ascii_kbdmap; 370 371 sc->cursorx = 0; 372 sc->cursory = 0; 373 SUBR_INIT(sc); 374 SUBR_CURSOR(sc, DRAW_CURSOR); 375 if (sc->tabs == NULL) 376 sc->tabs = kmem_alloc(MAX_TABS * sizeof(u_char), KM_SLEEP); 377 ite_reset(sc); 378 sc->flags |= ITE_INITED; 379 } 380 381 static int 382 iteopen(dev_t dev, int mode, int devtype, struct lwp *l) 383 { 384 struct ite_softc *sc; 385 struct tty *tp; 386 int error, first, unit; 387 388 unit = ITEUNIT(dev); 389 if (unit >= ite_cd.cd_ndevs) 390 return ENXIO; 391 392 first = 0; 393 sc = getitesp(dev); 394 if (sc == NULL) 395 return ENXIO; 396 if ((sc->flags & ITE_ATTACHED) == 0) 397 return (ENXIO); 398 399 if (sc->tp == NULL) { 400 tp = sc->tp = tty_alloc(); 401 tty_attach(tp); 402 } 403 else 404 tp = sc->tp; 405 406 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp)) 407 return (EBUSY); 408 409 if ((sc->flags & ITE_ACTIVE) == 0) { 410 ite_on(dev, 0); 411 first = 1; 412 } 413 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) { 414 tp->t_oproc = itestart; 415 tp->t_param = ite_param; 416 tp->t_dev = dev; 417 tp->t_iflag = TTYDEF_IFLAG; 418 tp->t_oflag = TTYDEF_OFLAG; 419 tp->t_cflag = TTYDEF_CFLAG; 420 tp->t_lflag = TTYDEF_LFLAG; 421 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 422 tp->t_state = TS_CARR_ON; 423 ttychars(tp); 424 ttsetwater(tp); 425 } 426 427 428 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0); 429 if (error) 430 goto bad; 431 432 error = (*tp->t_linesw->l_open) (dev, tp); 433 if (error) 434 goto bad; 435 436 tp->t_winsize.ws_row = sc->rows; 437 tp->t_winsize.ws_col = sc->cols; 438 if (!kbd_init) { 439 kbd_init = 1; 440 kbdenable(); 441 } 442 return (0); 443 444 445 bad: 446 if (first) 447 ite_off(dev, 0); 448 449 return (error); 450 } 451 452 static int 453 iteclose(dev_t dev, int flag, int mode, struct lwp *l) 454 { 455 struct tty *tp; 456 457 tp = getitesp(dev)->tp; 458 459 KDASSERT(tp); 460 (*tp->t_linesw->l_close) (tp, flag); 461 ttyclose(tp); 462 ite_off(dev, 0); 463 return (0); 464 } 465 466 static int 467 iteread(dev_t dev, struct uio *uio, int flag) 468 { 469 struct tty *tp; 470 471 tp = getitesp(dev)->tp; 472 473 KDASSERT(tp); 474 return ((*tp->t_linesw->l_read) (tp, uio, flag)); 475 } 476 477 static int 478 itewrite(dev_t dev, struct uio *uio, int flag) 479 { 480 struct tty *tp; 481 482 tp = getitesp(dev)->tp; 483 484 KDASSERT(tp); 485 return ((*tp->t_linesw->l_write) (tp, uio, flag)); 486 } 487 488 static int 489 itepoll(dev_t dev, int events, struct lwp *l) 490 { 491 struct tty *tp; 492 493 tp = getitesp(dev)->tp; 494 495 KDASSERT(tp); 496 return ((*tp->t_linesw->l_poll)(tp, events, l)); 497 } 498 499 static struct tty * 500 itetty(dev_t dev) 501 { 502 return(getitesp(dev)->tp); 503 } 504 505 static int 506 iteioctl(dev_t dev, u_long cmd, void * addr, int flag, struct lwp *l) 507 { 508 struct iterepeat *irp; 509 struct ite_softc *sc; 510 struct tty *tp; 511 view_t *view; 512 struct itewinsize *is; 513 struct itebell *ib; 514 int error; 515 516 sc = getitesp(dev); 517 tp = sc->tp; 518 view = viewview(sc->grf->g_viewdev); 519 520 KDASSERT(tp); 521 522 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, l); 523 if (error != EPASSTHROUGH) 524 return (error); 525 526 error = ttioctl(tp, cmd, addr, flag, l); 527 if (error != EPASSTHROUGH) 528 return (error); 529 530 switch (cmd) { 531 case ITEIOCSKMAP: 532 if (addr == NULL) 533 return(EFAULT); 534 memcpy(sc->kbdmap, addr, sizeof(struct kbdmap)); 535 return 0; 536 case ITEIOCSSKMAP: 537 if (addr == NULL) 538 return(EFAULT); 539 memcpy(&ascii_kbdmap, addr, sizeof(struct kbdmap)); 540 return 0; 541 case ITEIOCGKMAP: 542 if (addr == NULL) 543 return(EFAULT); 544 memcpy(addr, sc->kbdmap, sizeof(struct kbdmap)); 545 return 0; 546 case ITEIOCGREPT: 547 if (addr == NULL) 548 return(EFAULT); 549 irp = (struct iterepeat *)addr; 550 irp->start = start_repeat_timeo; 551 irp->next = next_repeat_timeo; 552 return 0; 553 case ITEIOCSREPT: 554 if (addr == NULL) 555 return(EFAULT); 556 irp = (struct iterepeat *)addr; 557 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT) 558 return(EINVAL); 559 start_repeat_timeo = irp->start; 560 next_repeat_timeo = irp->next; 561 return 0; 562 case ITEIOCGWINSZ: 563 if (addr == NULL) 564 return(EFAULT); 565 is = (struct itewinsize *)addr; 566 is->x = view->display.x; 567 is->y = view->display.y; 568 is->width = view->display.width; 569 is->height = view->display.height; 570 is->depth = view->bitmap->depth; 571 return 0; 572 case ITEIOCDSPWIN: 573 sc->grf->g_mode(sc->grf, GM_GRFON, NULL, 0, 0); 574 return 0; 575 case ITEIOCREMWIN: 576 sc->grf->g_mode(sc->grf, GM_GRFOFF, NULL, 0, 0); 577 return 0; 578 case ITEIOCSBELL: 579 if (addr == NULL) 580 return(EFAULT); 581 ib = (struct itebell *)addr; 582 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec); 583 return 0; 584 case ITEIOCGBELL: 585 if (addr == NULL) 586 return(EFAULT); 587 ib = (struct itebell *)addr; 588 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec); 589 return 0; 590 } 591 return (sc->itexx_ioctl)(sc, cmd, addr, flag, l); 592 } 593 594 void 595 itestart(struct tty *tp) 596 { 597 struct clist *rbp; 598 u_char buf[ITEBURST]; 599 int s, len; 600 601 KDASSERT(tp); 602 603 s = spltty(); { 604 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 605 goto out; 606 607 tp->t_state |= TS_BUSY; 608 rbp = &tp->t_outq; 609 610 len = q_to_b(rbp, buf, ITEBURST); 611 } splx(s); 612 613 /* Here is a really good place to implement pre/jumpscroll() */ 614 ite_putstr((char *)buf, len, tp->t_dev); 615 616 s = spltty(); { 617 tp->t_state &= ~TS_BUSY; 618 /* we have characters remaining. */ 619 if (ttypull(tp)) { 620 tp->t_state |= TS_TIMEOUT; 621 callout_schedule(&tp->t_rstrt_ch, 1); 622 } 623 out: ; 624 } splx(s); 625 } 626 627 void 628 ite_on(dev_t dev, int flag) 629 { 630 struct ite_softc *sc; 631 sc = getitesp(dev); 632 633 /* force ite active, overriding graphics mode */ 634 if (flag & 1) { 635 sc->flags |= ITE_ACTIVE; 636 sc->flags &= ~(ITE_INGRF | ITE_INITED); 637 } 638 /* leave graphics mode */ 639 if (flag & 2) { 640 sc->flags &= ~ITE_INGRF; 641 if ((sc->flags & ITE_ACTIVE) == 0) 642 return; 643 } 644 sc->flags |= ITE_ACTIVE; 645 if (sc->flags & ITE_INGRF) 646 return; 647 iteinit(dev); 648 } 649 650 void 651 ite_off(dev_t dev, int flag) 652 { 653 struct ite_softc *sc; 654 655 sc = getitesp(dev); 656 if (flag & 2) 657 sc->flags |= ITE_INGRF; 658 if ((sc->flags & ITE_ACTIVE) == 0) 659 return; 660 if ((flag & 1) || 661 (sc->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 662 SUBR_DEINIT(sc); 663 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */ 664 sc->flags &= ~ITE_ACTIVE; 665 } 666 667 static void 668 ite_switch(int unit) 669 { 670 struct ite_softc *sc; 671 extern const struct cdevsw view_cdevsw; 672 673 sc = device_lookup_private(&ite_cd, unit); 674 if (sc == NULL || (sc->flags & (ITE_ATTACHED | ITE_INITED)) == 0) 675 return; 676 677 /* 678 * If switching to an active ite, also switch the keyboard. 679 */ 680 if (sc->flags & ITE_ACTIVE) 681 kbd_ite = sc; 682 683 /* 684 * Now make it visible 685 */ 686 (*view_cdevsw.d_ioctl)(sc->grf->g_viewdev, VIOCDISPLAY, NULL, 687 0, NOLWP); 688 689 /* 690 * Make sure the cursor's there too.... 691 */ 692 SUBR_CURSOR(sc, DRAW_CURSOR); 693 } 694 695 /* XXX called after changes made in underlying grf layer. */ 696 /* I want to nuke this */ 697 void 698 ite_reinit(dev_t dev) 699 { 700 struct ite_softc *sc; 701 702 sc = getitesp(dev); 703 sc->flags &= ~ITE_INITED; 704 iteinit(dev); 705 } 706 707 int 708 ite_param(struct tty *tp, struct termios *t) 709 { 710 tp->t_ispeed = t->c_ispeed; 711 tp->t_ospeed = t->c_ospeed; 712 tp->t_cflag = t->c_cflag; 713 return (0); 714 } 715 716 void 717 ite_reset(struct ite_softc *sc) 718 { 719 int i; 720 721 sc->curx = 0; 722 sc->cury = 0; 723 sc->attribute = ATTR_NOR; 724 sc->save_curx = 0; 725 sc->save_cury = 0; 726 sc->save_attribute = ATTR_NOR; 727 sc->ap = sc->argbuf; 728 sc->emul_level = 0; 729 sc->eightbit_C1 = 0; 730 sc->top_margin = 0; 731 sc->bottom_margin = sc->rows - 1; 732 sc->inside_margins = 0; 733 sc->linefeed_newline = 0; 734 sc->auto_wrap = ite_default_wrap; 735 sc->cursor_appmode = 0; 736 sc->keypad_appmode = 0; 737 sc->imode = 0; 738 sc->key_repeat = 1; 739 sc->G0 = CSET_ASCII; 740 sc->G1 = CSET_DECGRAPH; 741 sc->G2 = 0; 742 sc->G3 = 0; 743 sc->GL = &sc->G0; 744 sc->GR = &sc->G1; 745 memset(sc->tabs, 0, sc->cols); 746 for (i = 0; i < sc->cols; i++) 747 sc->tabs[i] = ((i & 7) == 0); 748 } 749 750 /* 751 * has to be global because of the shared filters. 752 */ 753 static u_char last_dead; 754 755 /* 756 * Used in console at startup only and for DDB. 757 */ 758 int 759 ite_cnfilter(u_int c, enum caller caller) 760 { 761 struct key key; 762 struct kbdmap *kbdmap; 763 u_char code, up; 764 int s; 765 766 up = KBD_RELEASED(c); 767 c = KBD_SCANCODE(c); 768 code = 0; 769 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap; 770 771 s = spltty(); 772 773 /* 774 * No special action if key released 775 */ 776 if (up) { 777 splx(s); 778 return -1; 779 } 780 781 /* translate modifiers */ 782 if (kbd_modifier & KBD_MOD_SHIFT) { 783 if (kbd_modifier & KBD_MOD_ALT) 784 key = kbdmap->alt_shift_keys[c]; 785 else 786 key = kbdmap->shift_keys[c]; 787 } 788 else if (kbd_modifier & KBD_MOD_ALT) 789 key = kbdmap->alt_keys[c]; 790 else { 791 key = kbdmap->keys[c]; 792 /* 793 * If CAPS and key is CAPable (no pun intended) 794 */ 795 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 796 key = kbdmap->shift_keys[c]; 797 } 798 code = key.code; 799 800 #ifdef notyet /* LWP: Didn't have time to look at this yet */ 801 /* 802 * If string return simple console filter 803 */ 804 if (key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 805 splx(s); 806 return -1; 807 } 808 /* handle dead keys */ 809 if (key->mode & KBD_MODE_DEAD) { 810 /* if entered twice, send accent itself */ 811 if (last_dead == (key->mode & KBD_MODE_ACCMASK)) 812 last_dead = 0; 813 else { 814 last_dead = key->mode & KBD_MODE_ACCMASK; 815 splx(s); 816 return -1; 817 } 818 } 819 if (last_dead) { 820 /* can't apply dead flag to string-keys */ 821 if (code >= '@' && code < 0x7f) 822 code = 823 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 824 last_dead = 0; 825 } 826 #endif 827 if (kbd_modifier & KBD_MOD_CTRL) 828 code &= 0x1f; 829 830 /* 831 * Do console mapping. 832 */ 833 code = code == '\r' ? '\n' : code; 834 835 splx(s); 836 return (code); 837 } 838 839 /* And now the old stuff. */ 840 841 /* these are used to implement repeating keys.. */ 842 static u_int last_char; 843 static u_char tout_pending; 844 845 static callout_t repeat_ch; 846 847 /*ARGSUSED*/ 848 static void 849 repeat_handler(void *arg) 850 { 851 tout_pending = 0; 852 if (last_char) 853 add_sicallback((si_farg)ite_filter, (void *)last_char, 854 (void *)ITEFILT_REPEATER); 855 } 856 857 void 858 ite_filter(u_int c, enum caller caller) 859 { 860 struct tty *kbd_tty; 861 struct kbdmap *kbdmap; 862 u_char code, *str, up; 863 struct key key; 864 int s, i; 865 static bool again; 866 867 if (!again) { 868 /* XXX */ 869 callout_init(&repeat_ch, 0); 870 again = true; 871 } 872 873 if (kbd_ite == NULL) 874 return; 875 876 kbd_tty = kbd_ite->tp; 877 kbdmap = kbd_ite->kbdmap; 878 879 up = KBD_RELEASED(c); 880 c = KBD_SCANCODE(c); 881 code = 0; 882 883 /* have to make sure we're at spltty in here */ 884 s = spltty(); 885 886 /* 887 * keyboard interrupts come at priority 2, while softint 888 * generated keyboard-repeat interrupts come at level 1. So, 889 * to not allow a key-up event to get thru before a repeat for 890 * the key-down, we remove any outstanding callout requests.. 891 */ 892 rem_sicallback((si_farg)ite_filter); 893 894 /* 895 * Stop repeating on up event 896 */ 897 if (up) { 898 if (tout_pending) { 899 callout_stop(&repeat_ch); 900 tout_pending = 0; 901 last_char = 0; 902 } 903 splx(s); 904 return; 905 } 906 else if (tout_pending && last_char != c) { 907 /* 908 * Different character, stop also 909 */ 910 callout_stop(&repeat_ch); 911 tout_pending = 0; 912 last_char = 0; 913 } 914 915 /* 916 * Handle ite-switching ALT + Fx 917 */ 918 if ((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) { 919 ite_switch(c - 0x3b); 920 splx(s); 921 return; 922 } 923 /* 924 * Safety button, switch back to ascii keymap. 925 */ 926 if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) { 927 /* ALT + LSHIFT + F1 */ 928 memcpy(kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 929 splx(s); 930 return; 931 #ifdef DDB 932 } else if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && 933 c == 0x43) { 934 /* 935 * ALT + LSHIFT + F9 -> Debugger! 936 */ 937 Debugger(); 938 splx(s); 939 return; 940 #endif 941 } 942 943 /* 944 * The rest of the code is senseless when the device is not open. 945 */ 946 if (kbd_tty == NULL) { 947 splx(s); 948 return; 949 } 950 951 /* 952 * Translate modifiers 953 */ 954 if (kbd_modifier & KBD_MOD_SHIFT) { 955 if (kbd_modifier & KBD_MOD_ALT) 956 key = kbdmap->alt_shift_keys[c]; 957 else 958 key = kbdmap->shift_keys[c]; 959 } 960 else if (kbd_modifier & KBD_MOD_ALT) 961 key = kbdmap->alt_keys[c]; 962 else { 963 key = kbdmap->keys[c]; 964 /* 965 * If CAPS and key is CAPable (no pun intended) 966 */ 967 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 968 key = kbdmap->shift_keys[c]; 969 } 970 code = key.code; 971 972 /* 973 * Arrange to repeat the keystroke. By doing this at the level 974 * of scan-codes, we can have function keys, and keys that 975 * send strings, repeat too. This also entitles an additional 976 * overhead, since we have to do the conversion each time, but 977 * I guess that's ok. 978 */ 979 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 980 tout_pending = 1; 981 last_char = c; 982 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100, 983 repeat_handler, NULL); 984 } else if (!tout_pending && caller==ITEFILT_REPEATER && 985 kbd_ite->key_repeat) { 986 tout_pending = 1; 987 last_char = c; 988 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100, 989 repeat_handler, NULL); 990 } 991 /* handle dead keys */ 992 if (key.mode & KBD_MODE_DEAD) { 993 /* if entered twice, send accent itself */ 994 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 995 last_dead = 0; 996 else { 997 last_dead = key.mode & KBD_MODE_ACCMASK; 998 splx(s); 999 return; 1000 } 1001 } 1002 if (last_dead) { 1003 /* can't apply dead flag to string-keys */ 1004 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 1005 code < 0x7f) 1006 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 1007 last_dead = 0; 1008 } 1009 1010 /* 1011 * If not string, apply CTRL modifiers 1012 */ 1013 if (!(key.mode & KBD_MODE_STRING) && 1014 (!(key.mode & KBD_MODE_KPAD) || 1015 (kbd_ite && !kbd_ite->keypad_appmode))) { 1016 if (kbd_modifier & KBD_MOD_CTRL) 1017 code &= 0x1f; 1018 } else if ((key.mode & KBD_MODE_KPAD) && 1019 (kbd_ite && kbd_ite->keypad_appmode)) { 1020 static const char * const in = "0123456789-+.\r()/*"; 1021 static const char * const out = "pqrstuvwxymlnMPQRS"; 1022 char *cp = strchr(in, code); 1023 1024 /* 1025 * keypad-appmode sends SS3 followed by the above 1026 * translated character 1027 */ 1028 kbd_tty->t_linesw->l_rint(27, kbd_tty); 1029 kbd_tty->t_linesw->l_rint('O', kbd_tty); 1030 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty); 1031 splx(s); 1032 return; 1033 } else { 1034 /* *NO* I don't like this.... */ 1035 static u_char app_cursor[] = 1036 { 1037 3, 27, 'O', 'A', 1038 3, 27, 'O', 'B', 1039 3, 27, 'O', 'C', 1040 3, 27, 'O', 'D'}; 1041 1042 str = kbdmap->strings + code; 1043 /* 1044 * if this is a cursor key, AND it has the default 1045 * keymap setting, AND we're in app-cursor mode, switch 1046 * to the above table. This is *nasty* ! 1047 */ 1048 if (((c == 0x48) || (c == 0x4b) ||(c == 0x4d) || (c == 0x50)) && 1049 kbd_ite->cursor_appmode && 1050 !memcmp(str, "\x03\x1b[", 3) && 1051 strchr("ABCD", str[3])) 1052 str = app_cursor + 4 * (str[3] - 'A'); 1053 1054 /* 1055 * using a length-byte instead of 0-termination allows 1056 * to embed \0 into strings, although this is not used 1057 * in the default keymap 1058 */ 1059 for (i = *str++; i; i--) 1060 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1061 splx(s); 1062 return; 1063 } 1064 kbd_tty->t_linesw->l_rint(code, kbd_tty); 1065 1066 splx(s); 1067 return; 1068 } 1069 1070 /* helper functions, makes the code below more readable */ 1071 static inline void 1072 ite_sendstr(const char *str) 1073 { 1074 struct tty *kbd_tty; 1075 1076 kbd_tty = kbd_ite->tp; 1077 KDASSERT(kbd_tty); 1078 while (*str) 1079 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1080 } 1081 1082 static void 1083 alignment_display(struct ite_softc *sc) 1084 { 1085 int i, j; 1086 1087 for (j = 0; j < sc->rows; j++) 1088 for (i = 0; i < sc->cols; i++) 1089 SUBR_PUTC(sc, 'E', j, i, ATTR_NOR); 1090 attrclr(sc, 0, 0, sc->rows, sc->cols); 1091 SUBR_CURSOR(sc, DRAW_CURSOR); 1092 } 1093 1094 static inline void 1095 snap_cury(struct ite_softc *sc) 1096 { 1097 1098 if (sc->inside_margins) { 1099 if (sc->cury < sc->top_margin) 1100 sc->cury = sc->top_margin; 1101 if (sc->cury > sc->bottom_margin) 1102 sc->cury = sc->bottom_margin; 1103 } 1104 } 1105 1106 static inline void 1107 ite_dnchar(struct ite_softc *sc, int n) 1108 { 1109 1110 n = uimin(n, sc->cols - sc->curx); 1111 if (n < sc->cols - sc->curx) { 1112 SUBR_SCROLL(sc, sc->cury, sc->curx + n, n, SCROLL_LEFT); 1113 attrmov(sc, sc->cury, sc->curx + n, sc->cury, sc->curx, 1114 1, sc->cols - sc->curx - n); 1115 attrclr(sc, sc->cury, sc->cols - n, 1, n); 1116 } 1117 while (n-- > 0) 1118 SUBR_PUTC(sc, ' ', sc->cury, sc->cols - n - 1, ATTR_NOR); 1119 SUBR_CURSOR(sc, DRAW_CURSOR); 1120 } 1121 1122 static inline void 1123 ite_inchar(struct ite_softc *sc, int n) 1124 { 1125 1126 n = uimin(n, sc->cols - sc->curx); 1127 if (n < sc->cols - sc->curx) { 1128 SUBR_SCROLL(sc, sc->cury, sc->curx, n, SCROLL_RIGHT); 1129 attrmov(sc, sc->cury, sc->curx, sc->cury, sc->curx + n, 1130 1, sc->cols - sc->curx - n); 1131 attrclr(sc, sc->cury, sc->curx, 1, n); 1132 } 1133 while (n--) 1134 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR); 1135 SUBR_CURSOR(sc, DRAW_CURSOR); 1136 } 1137 1138 static inline void 1139 ite_clrtoeol(struct ite_softc *sc) 1140 { 1141 int y = sc->cury, x = sc->curx; 1142 1143 if (sc->cols - x > 0) { 1144 SUBR_CLEAR(sc, y, x, 1, sc->cols - x); 1145 attrclr(sc, y, x, 1, sc->cols - x); 1146 SUBR_CURSOR(sc, DRAW_CURSOR); 1147 } 1148 } 1149 1150 static inline void 1151 ite_clrtobol(struct ite_softc *sc) 1152 { 1153 int y = sc->cury, x = uimin(sc->curx + 1, sc->cols); 1154 1155 SUBR_CLEAR(sc, y, 0, 1, x); 1156 attrclr(sc, y, 0, 1, x); 1157 SUBR_CURSOR(sc, DRAW_CURSOR); 1158 } 1159 1160 static inline void 1161 ite_clrline(struct ite_softc *sc) 1162 { 1163 int y = sc->cury; 1164 1165 SUBR_CLEAR(sc, y, 0, 1, sc->cols); 1166 attrclr(sc, y, 0, 1, sc->cols); 1167 SUBR_CURSOR(sc, DRAW_CURSOR); 1168 } 1169 1170 1171 1172 static inline void 1173 ite_clrtoeos(struct ite_softc *sc) 1174 { 1175 1176 ite_clrtoeol(sc); 1177 if (sc->cury < sc->rows - 1) { 1178 SUBR_CLEAR(sc, sc->cury + 1, 0, 1179 sc->rows - 1 - sc->cury, sc->cols); 1180 attrclr(sc, sc->cury, 0, sc->rows - sc->cury, sc->cols); 1181 SUBR_CURSOR(sc, DRAW_CURSOR); 1182 } 1183 } 1184 1185 static inline void 1186 ite_clrtobos(struct ite_softc *sc) 1187 { 1188 1189 ite_clrtobol(sc); 1190 if (sc->cury > 0) { 1191 SUBR_CLEAR(sc, 0, 0, sc->cury, sc->cols); 1192 attrclr(sc, 0, 0, sc->cury, sc->cols); 1193 SUBR_CURSOR(sc, DRAW_CURSOR); 1194 } 1195 } 1196 1197 static inline void 1198 ite_clrscreen(struct ite_softc *sc) 1199 { 1200 1201 SUBR_CLEAR(sc, 0, 0, sc->rows, sc->cols); 1202 attrclr(sc, 0, 0, sc->rows, sc->cols); 1203 SUBR_CURSOR(sc, DRAW_CURSOR); 1204 } 1205 1206 1207 1208 static inline void 1209 ite_dnline(struct ite_softc *sc, int n) 1210 { 1211 1212 /* 1213 * interesting.. if the cursor is outside the scrolling 1214 * region, this command is simply ignored.. 1215 */ 1216 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin) 1217 return; 1218 1219 n = uimin(n, sc->bottom_margin + 1 - sc->cury); 1220 if (n <= sc->bottom_margin - sc->cury) { 1221 SUBR_SCROLL(sc, sc->cury + n, 0, n, SCROLL_UP); 1222 attrmov(sc, sc->cury + n, 0, sc->cury, 0, 1223 sc->bottom_margin + 1 - sc->cury - n, sc->cols); 1224 } 1225 SUBR_CLEAR(sc, sc->bottom_margin - n + 1, 0, n, sc->cols); 1226 attrclr(sc, sc->bottom_margin - n + 1, 0, n, sc->cols); 1227 SUBR_CURSOR(sc, DRAW_CURSOR); 1228 } 1229 1230 static inline void 1231 ite_inline(struct ite_softc *sc, int n) 1232 { 1233 1234 /* 1235 * interesting.. if the cursor is outside the scrolling 1236 * region, this command is simply ignored.. 1237 */ 1238 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin) 1239 return; 1240 1241 n = uimin(n, sc->bottom_margin + 1 - sc->cury); 1242 if (n <= sc->bottom_margin - sc->cury) { 1243 SUBR_SCROLL(sc, sc->cury, 0, n, SCROLL_DOWN); 1244 attrmov(sc, sc->cury, 0, sc->cury + n, 0, 1245 sc->bottom_margin + 1 - sc->cury - n, sc->cols); 1246 } 1247 SUBR_CLEAR(sc, sc->cury, 0, n, sc->cols); 1248 attrclr(sc, sc->cury, 0, n, sc->cols); 1249 SUBR_CURSOR(sc, DRAW_CURSOR); 1250 } 1251 1252 static inline void 1253 ite_lf(struct ite_softc *sc) 1254 { 1255 1256 ++sc->cury; 1257 if ((sc->cury == sc->bottom_margin+1) || (sc->cury == sc->rows)) { 1258 sc->cury--; 1259 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP); 1260 ite_clrline(sc); 1261 } 1262 SUBR_CURSOR(sc, MOVE_CURSOR); 1263 clr_attr(sc, ATTR_INV); 1264 1265 /* reset character set */ 1266 sc->G0 = CSET_ASCII; 1267 sc->G1 = CSET_DECGRAPH; 1268 sc->G2 = 0; 1269 sc->G3 = 0; 1270 sc->GL = &sc->G0; 1271 sc->GR = &sc->G1; 1272 } 1273 1274 static inline void 1275 ite_crlf(struct ite_softc *sc) 1276 { 1277 1278 sc->curx = 0; 1279 ite_lf(sc); 1280 } 1281 1282 static inline void 1283 ite_cr(struct ite_softc *sc) 1284 { 1285 1286 if (sc->curx) { 1287 sc->curx = 0; 1288 SUBR_CURSOR(sc, MOVE_CURSOR); 1289 } 1290 } 1291 1292 static inline void 1293 ite_rlf(struct ite_softc *sc) 1294 { 1295 1296 sc->cury--; 1297 if ((sc->cury < 0) || (sc->cury == sc->top_margin - 1)) { 1298 sc->cury++; 1299 SUBR_SCROLL(sc, sc->top_margin, 0, 1, SCROLL_DOWN); 1300 ite_clrline(sc); 1301 } 1302 SUBR_CURSOR(sc, MOVE_CURSOR); 1303 clr_attr(sc, ATTR_INV); 1304 } 1305 1306 static inline int 1307 atoi(const char *cp) 1308 { 1309 int n; 1310 1311 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1312 n = n * 10 + *cp - '0'; 1313 1314 return n; 1315 } 1316 1317 static inline int 1318 ite_argnum(struct ite_softc *sc) 1319 { 1320 char ch; 1321 int n; 1322 1323 /* convert argument string into number */ 1324 if (sc->ap == sc->argbuf) 1325 return 1; 1326 ch = *sc->ap; 1327 *sc->ap = 0; 1328 n = atoi (sc->argbuf); 1329 *sc->ap = ch; 1330 1331 return n; 1332 } 1333 1334 static inline int 1335 ite_zargnum(struct ite_softc *sc) 1336 { 1337 char ch; 1338 int n; 1339 1340 /* convert argument string into number */ 1341 if (sc->ap == sc->argbuf) 1342 return 0; 1343 ch = *sc->ap; 1344 *sc->ap = 0; 1345 n = atoi (sc->argbuf); 1346 *sc->ap = ch; 1347 1348 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1349 } 1350 1351 static void 1352 ite_putstr(const u_char *s, int len, dev_t dev) 1353 { 1354 struct ite_softc *sc; 1355 int i; 1356 1357 sc = getitesp(dev); 1358 1359 /* XXX avoid problems */ 1360 if ((sc->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1361 return; 1362 1363 SUBR_CURSOR(sc, START_CURSOROPT); 1364 for (i = 0; i < len; i++) 1365 if (s[i]) 1366 iteputchar(s[i], sc); 1367 SUBR_CURSOR(sc, END_CURSOROPT); 1368 } 1369 1370 1371 static void 1372 iteputchar(register int c, struct ite_softc *sc) 1373 { 1374 struct tty *kbd_tty; 1375 int n, x, y; 1376 char *cp; 1377 1378 if (kbd_ite == NULL) 1379 kbd_tty = NULL; 1380 else 1381 kbd_tty = kbd_ite->tp; 1382 1383 if (sc->escape) 1384 { 1385 switch (sc->escape) 1386 { 1387 case ESC: 1388 switch (c) 1389 { 1390 /* first 7bit equivalents for the 8bit control characters */ 1391 1392 case 'D': 1393 c = IND; 1394 sc->escape = 0; 1395 break; /* and fall into the next switch below (same for all `break') */ 1396 1397 case 'E': 1398 c = NEL; 1399 sc->escape = 0; 1400 break; 1401 1402 case 'H': 1403 c = HTS; 1404 sc->escape = 0; 1405 break; 1406 1407 case 'M': 1408 c = RI; 1409 sc->escape = 0; 1410 break; 1411 1412 case 'N': 1413 c = SS2; 1414 sc->escape = 0; 1415 break; 1416 1417 case 'O': 1418 c = SS3; 1419 sc->escape = 0; 1420 break; 1421 1422 case 'P': 1423 c = DCS; 1424 sc->escape = 0; 1425 break; 1426 1427 case '[': 1428 c = CSI; 1429 sc->escape = 0; 1430 break; 1431 1432 case '\\': 1433 c = ST; 1434 sc->escape = 0; 1435 break; 1436 1437 case ']': 1438 c = OSC; 1439 sc->escape = 0; 1440 break; 1441 1442 case '^': 1443 c = PM; 1444 sc->escape = 0; 1445 break; 1446 1447 case '_': 1448 c = APC; 1449 sc->escape = 0; 1450 break; 1451 1452 1453 /* introduces 7/8bit control */ 1454 case ' ': 1455 /* can be followed by either F or G */ 1456 sc->escape = ' '; 1457 break; 1458 1459 1460 /* a lot of character set selections, not yet used... 1461 94-character sets: */ 1462 case '(': /* G0 */ 1463 case ')': /* G1 */ 1464 sc->escape = c; 1465 return; 1466 1467 case '*': /* G2 */ 1468 case '+': /* G3 */ 1469 case 'B': /* ASCII */ 1470 case 'A': /* ISO latin 1 */ 1471 case '<': /* user preferred suplemental */ 1472 case '0': /* DEC special graphics */ 1473 1474 /* 96-character sets: */ 1475 case '-': /* G1 */ 1476 case '.': /* G2 */ 1477 case '/': /* G3 */ 1478 1479 /* national character sets: */ 1480 case '4': /* dutch */ 1481 case '5': 1482 case 'C': /* finnish */ 1483 case 'R': /* french */ 1484 case 'Q': /* french canadian */ 1485 case 'K': /* german */ 1486 case 'Y': /* italian */ 1487 case '6': /* norwegian/danish */ 1488 /* note: %5 and %6 are not supported (two chars..) */ 1489 1490 sc->escape = 0; 1491 /* just ignore for now */ 1492 return; 1493 1494 1495 /* locking shift modes (as you might guess, not yet supported..) */ 1496 case '`': 1497 sc->GR = &sc->G1; 1498 sc->escape = 0; 1499 return; 1500 1501 case 'n': 1502 sc->GL = &sc->G2; 1503 sc->escape = 0; 1504 return; 1505 1506 case '}': 1507 sc->GR = &sc->G2; 1508 sc->escape = 0; 1509 return; 1510 1511 case 'o': 1512 sc->GL = &sc->G3; 1513 sc->escape = 0; 1514 return; 1515 1516 case '|': 1517 sc->GR = &sc->G3; 1518 sc->escape = 0; 1519 return; 1520 1521 case '~': 1522 sc->GR = &sc->G1; 1523 sc->escape = 0; 1524 return; 1525 1526 1527 /* font width/height control */ 1528 case '#': 1529 sc->escape = '#'; 1530 return; 1531 1532 1533 /* hard terminal reset .. */ 1534 case 'c': 1535 ite_reset (sc); 1536 SUBR_CURSOR(sc, MOVE_CURSOR); 1537 sc->escape = 0; 1538 return; 1539 1540 1541 case '7': 1542 /* save cursor */ 1543 sc->save_curx = sc->curx; 1544 sc->save_cury = sc->cury; 1545 sc->save_attribute = sc->attribute; 1546 sc->sc_G0 = sc->G0; 1547 sc->sc_G1 = sc->G1; 1548 sc->sc_G2 = sc->G2; 1549 sc->sc_G3 = sc->G3; 1550 sc->sc_GL = sc->GL; 1551 sc->sc_GR = sc->GR; 1552 sc->escape = 0; 1553 return; 1554 1555 case '8': 1556 /* restore cursor */ 1557 sc->curx = sc->save_curx; 1558 sc->cury = sc->save_cury; 1559 sc->attribute = sc->save_attribute; 1560 sc->G0 = sc->sc_G0; 1561 sc->G1 = sc->sc_G1; 1562 sc->G2 = sc->sc_G2; 1563 sc->G3 = sc->sc_G3; 1564 sc->GL = sc->sc_GL; 1565 sc->GR = sc->sc_GR; 1566 SUBR_CURSOR(sc, MOVE_CURSOR); 1567 sc->escape = 0; 1568 return; 1569 1570 case '=': 1571 sc->keypad_appmode = 1; 1572 sc->escape = 0; 1573 return; 1574 1575 case '>': 1576 sc->keypad_appmode = 0; 1577 sc->escape = 0; 1578 return; 1579 1580 case 'Z': /* request ID */ 1581 if (sc->emul_level == EMUL_VT100) 1582 ite_sendstr ("\033[?61;0c"); /* XXX not clean */ 1583 else 1584 ite_sendstr ("\033[?63;0c"); /* XXX not clean */ 1585 sc->escape = 0; 1586 return; 1587 1588 /* default catch all for not recognized ESC sequences */ 1589 default: 1590 sc->escape = 0; 1591 return; 1592 } 1593 break; 1594 1595 1596 case '(': /* designated G0 */ 1597 switch (c) { 1598 case 'B': /* US-ASCII */ 1599 sc->G0 = CSET_ASCII; 1600 sc->escape = 0; 1601 return; 1602 case '0': /* DEC special graphics */ 1603 sc->G0 = CSET_DECGRAPH; 1604 sc->escape = 0; 1605 return; 1606 default: 1607 /* not supported */ 1608 sc->escape = 0; 1609 return; 1610 } 1611 case ')': /* designated G1 */ 1612 sc->escape = 0; 1613 return; 1614 1615 1616 case ' ': 1617 switch (c) 1618 { 1619 case 'F': 1620 sc->eightbit_C1 = 0; 1621 sc->escape = 0; 1622 return; 1623 1624 case 'G': 1625 sc->eightbit_C1 = 1; 1626 sc->escape = 0; 1627 return; 1628 1629 default: 1630 /* not supported */ 1631 sc->escape = 0; 1632 return; 1633 } 1634 break; 1635 1636 1637 case '#': 1638 switch (c) 1639 { 1640 case '5': 1641 /* single height, single width */ 1642 sc->escape = 0; 1643 return; 1644 1645 case '6': 1646 /* double width, single height */ 1647 sc->escape = 0; 1648 return; 1649 1650 case '3': 1651 /* top half */ 1652 sc->escape = 0; 1653 return; 1654 1655 case '4': 1656 /* bottom half */ 1657 sc->escape = 0; 1658 return; 1659 1660 case '8': 1661 /* screen alignment pattern... */ 1662 alignment_display (sc); 1663 sc->escape = 0; 1664 return; 1665 1666 default: 1667 sc->escape = 0; 1668 return; 1669 } 1670 break; 1671 1672 1673 1674 case CSI: 1675 /* the biggie... */ 1676 switch (c) 1677 { 1678 case '0': case '1': case '2': case '3': case '4': 1679 case '5': case '6': case '7': case '8': case '9': 1680 case ';': case '\"': case '$': case '>': 1681 if (sc->ap < sc->argbuf + MAX_ARGSIZE) 1682 *sc->ap++ = c; 1683 return; 1684 1685 case BS: 1686 /* you wouldn't believe such perversion is possible? 1687 it is.. BS is allowed in between cursor sequences 1688 (at least), according to vttest.. */ 1689 if (--sc->curx < 0) 1690 sc->curx = 0; 1691 else 1692 SUBR_CURSOR(sc, MOVE_CURSOR); 1693 break; 1694 1695 case 'p': 1696 *sc->ap = 0; 1697 if (! strncmp (sc->argbuf, "61\"", 3)) 1698 sc->emul_level = EMUL_VT100; 1699 else if (! strncmp (sc->argbuf, "63;1\"", 5) 1700 || ! strncmp (sc->argbuf, "62;1\"", 5)) 1701 sc->emul_level = EMUL_VT300_7; 1702 else 1703 sc->emul_level = EMUL_VT300_8; 1704 sc->escape = 0; 1705 return; 1706 1707 1708 case '?': 1709 *sc->ap = 0; 1710 sc->escape = '?'; 1711 sc->ap = sc->argbuf; 1712 return; 1713 1714 1715 case 'c': 1716 *sc->ap = 0; 1717 if (sc->argbuf[0] == '>') 1718 { 1719 ite_sendstr ("\033[>24;0;0;0c"); 1720 } 1721 else switch (ite_zargnum(sc)) 1722 { 1723 case 0: 1724 /* primary DA request, send primary DA response */ 1725 if (sc->emul_level == EMUL_VT100) 1726 ite_sendstr ("\033[?1;1c"); 1727 else 1728 ite_sendstr ("\033[?63;1c"); 1729 break; 1730 } 1731 sc->escape = 0; 1732 return; 1733 1734 case 'n': 1735 switch (ite_zargnum(sc)) 1736 { 1737 case 5: 1738 ite_sendstr ("\033[0n"); /* no malfunction */ 1739 break; 1740 case 6: 1741 /* cursor position report */ 1742 snprintf (sc->argbuf, sizeof(sc->argbuf), "\033[%d;%dR", 1743 sc->cury + 1, sc->curx + 1); 1744 ite_sendstr (sc->argbuf); 1745 break; 1746 } 1747 sc->escape = 0; 1748 return; 1749 1750 1751 case 'x': 1752 switch (ite_zargnum(sc)) 1753 { 1754 case 0: 1755 /* Fake some terminal parameters. */ 1756 ite_sendstr ("\033[2;1;1;112;112;1;0x"); 1757 break; 1758 case 1: 1759 ite_sendstr ("\033[3;1;1;112;112;1;0x"); 1760 break; 1761 } 1762 sc->escape = 0; 1763 return; 1764 1765 1766 case 'g': 1767 switch (ite_zargnum(sc)) 1768 { 1769 case 0: 1770 if (sc->curx < sc->cols) 1771 sc->tabs[sc->curx] = 0; 1772 break; 1773 case 3: 1774 for (n = 0; n < sc->cols; n++) 1775 sc->tabs[n] = 0; 1776 break; 1777 } 1778 sc->escape = 0; 1779 return; 1780 1781 1782 case 'h': case 'l': 1783 n = ite_zargnum (sc); 1784 switch (n) 1785 { 1786 case 4: 1787 sc->imode = (c == 'h'); /* insert/replace mode */ 1788 break; 1789 case 20: 1790 sc->linefeed_newline = (c == 'h'); 1791 break; 1792 } 1793 sc->escape = 0; 1794 return; 1795 1796 1797 case 'M': 1798 ite_dnline (sc, ite_argnum (sc)); 1799 sc->escape = 0; 1800 return; 1801 1802 1803 case 'L': 1804 ite_inline (sc, ite_argnum (sc)); 1805 sc->escape = 0; 1806 return; 1807 1808 1809 case 'P': 1810 ite_dnchar (sc, ite_argnum (sc)); 1811 sc->escape = 0; 1812 return; 1813 1814 1815 case '@': 1816 ite_inchar (sc, ite_argnum (sc)); 1817 sc->escape = 0; 1818 return; 1819 1820 1821 case 'G': 1822 /* this one was *not* in my vt320 manual but in 1823 a vt320 termcap entry.. who is right? 1824 It's supposed to set the horizontal cursor position. */ 1825 *sc->ap = 0; 1826 x = atoi (sc->argbuf); 1827 if (x) x--; 1828 sc->curx = uimin(x, sc->cols - 1); 1829 sc->escape = 0; 1830 SUBR_CURSOR(sc, MOVE_CURSOR); 1831 clr_attr (sc, ATTR_INV); 1832 return; 1833 1834 1835 case 'd': 1836 /* same thing here, this one's for setting the absolute 1837 vertical cursor position. Not documented... */ 1838 *sc->ap = 0; 1839 y = atoi (sc->argbuf); 1840 if (y) y--; 1841 if (sc->inside_margins) 1842 y += sc->top_margin; 1843 sc->cury = uimin(y, sc->rows - 1); 1844 sc->escape = 0; 1845 snap_cury(sc); 1846 SUBR_CURSOR(sc, MOVE_CURSOR); 1847 clr_attr (sc, ATTR_INV); 1848 return; 1849 1850 1851 case 'H': 1852 case 'f': 1853 *sc->ap = 0; 1854 y = atoi (sc->argbuf); 1855 x = 0; 1856 cp = strchr(sc->argbuf, ';'); 1857 if (cp) 1858 x = atoi (cp + 1); 1859 if (x) x--; 1860 if (y) y--; 1861 if (sc->inside_margins) 1862 y += sc->top_margin; 1863 sc->cury = uimin(y, sc->rows - 1); 1864 sc->curx = uimin(x, sc->cols - 1); 1865 sc->escape = 0; 1866 snap_cury(sc); 1867 SUBR_CURSOR(sc, MOVE_CURSOR); 1868 clr_attr (sc, ATTR_INV); 1869 return; 1870 1871 case 'A': 1872 n = ite_argnum (sc); 1873 n = sc->cury - (n ? n : 1); 1874 if (n < 0) n = 0; 1875 if (sc->inside_margins) 1876 n = uimax(sc->top_margin, n); 1877 else if (n == sc->top_margin - 1) 1878 /* allow scrolling outside region, but don't scroll out 1879 of active region without explicit CUP */ 1880 n = sc->top_margin; 1881 sc->cury = n; 1882 sc->escape = 0; 1883 SUBR_CURSOR(sc, MOVE_CURSOR); 1884 clr_attr (sc, ATTR_INV); 1885 return; 1886 1887 case 'B': 1888 n = ite_argnum (sc); 1889 n = sc->cury + (n ? n : 1); 1890 n = uimin(sc->rows - 1, n); 1891 if (sc->inside_margins) 1892 n = uimin(sc->bottom_margin, n); 1893 else if (n == sc->bottom_margin + 1) 1894 /* allow scrolling outside region, but don't scroll out 1895 of active region without explicit CUP */ 1896 n = sc->bottom_margin; 1897 sc->cury = n; 1898 sc->escape = 0; 1899 SUBR_CURSOR(sc, MOVE_CURSOR); 1900 clr_attr (sc, ATTR_INV); 1901 return; 1902 1903 case 'C': 1904 n = ite_argnum (sc); 1905 n = n ? n : 1; 1906 sc->curx = uimin(sc->curx + n, sc->cols - 1); 1907 sc->escape = 0; 1908 SUBR_CURSOR(sc, MOVE_CURSOR); 1909 clr_attr (sc, ATTR_INV); 1910 return; 1911 1912 case 'D': 1913 n = ite_argnum (sc); 1914 n = n ? n : 1; 1915 n = sc->curx - n; 1916 sc->curx = n >= 0 ? n : 0; 1917 sc->escape = 0; 1918 SUBR_CURSOR(sc, MOVE_CURSOR); 1919 clr_attr (sc, ATTR_INV); 1920 return; 1921 1922 1923 1924 1925 case 'J': 1926 *sc->ap = 0; 1927 n = ite_zargnum (sc); 1928 if (n == 0) 1929 ite_clrtoeos(sc); 1930 else if (n == 1) 1931 ite_clrtobos(sc); 1932 else if (n == 2) 1933 ite_clrscreen(sc); 1934 sc->escape = 0; 1935 return; 1936 1937 1938 case 'K': 1939 n = ite_zargnum (sc); 1940 if (n == 0) 1941 ite_clrtoeol(sc); 1942 else if (n == 1) 1943 ite_clrtobol(sc); 1944 else if (n == 2) 1945 ite_clrline(sc); 1946 sc->escape = 0; 1947 return; 1948 1949 1950 case 'X': 1951 n = ite_argnum(sc) - 1; 1952 n = uimin(n, sc->cols - 1 - sc->curx); 1953 for (; n >= 0; n--) 1954 { 1955 attrclr(sc, sc->cury, sc->curx + n, 1, 1); 1956 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR); 1957 } 1958 sc->escape = 0; 1959 return; 1960 1961 1962 case '}': case '`': 1963 /* status line control */ 1964 sc->escape = 0; 1965 return; 1966 1967 1968 case 'r': 1969 *sc->ap = 0; 1970 x = atoi (sc->argbuf); 1971 x = x ? x : 1; 1972 y = sc->rows; 1973 cp = strchr(sc->argbuf, ';'); 1974 if (cp) 1975 { 1976 y = atoi (cp + 1); 1977 y = y ? y : sc->rows; 1978 } 1979 if (y - x < 2) 1980 { 1981 /* if illegal scrolling region, reset to defaults */ 1982 x = 1; 1983 y = sc->rows; 1984 } 1985 x--; 1986 y--; 1987 sc->top_margin = uimin(x, sc->rows - 1); 1988 sc->bottom_margin = uimin(y, sc->rows - 1); 1989 if (sc->inside_margins) 1990 { 1991 sc->cury = sc->top_margin; 1992 sc->curx = 0; 1993 SUBR_CURSOR(sc, MOVE_CURSOR); 1994 } 1995 sc->escape = 0; 1996 return; 1997 1998 1999 case 'm': 2000 /* big attribute setter/resetter */ 2001 { 2002 char *chp; 2003 *sc->ap = 0; 2004 /* kludge to make CSIm work (== CSI0m) */ 2005 if (sc->ap == sc->argbuf) 2006 sc->ap++; 2007 for (chp = sc->argbuf; chp < sc->ap; ) 2008 { 2009 switch (*chp) 2010 { 2011 case 0: 2012 case '0': 2013 clr_attr (sc, ATTR_ALL); 2014 chp++; 2015 break; 2016 2017 case '1': 2018 set_attr (sc, ATTR_BOLD); 2019 chp++; 2020 break; 2021 2022 case '2': 2023 switch (chp[1]) 2024 { 2025 case '2': 2026 clr_attr (sc, ATTR_BOLD); 2027 chp += 2; 2028 break; 2029 2030 case '4': 2031 clr_attr (sc, ATTR_UL); 2032 chp += 2; 2033 break; 2034 2035 case '5': 2036 clr_attr (sc, ATTR_BLINK); 2037 chp += 2; 2038 break; 2039 2040 case '7': 2041 clr_attr (sc, ATTR_INV); 2042 chp += 2; 2043 break; 2044 2045 default: 2046 chp++; 2047 break; 2048 } 2049 break; 2050 2051 case '4': 2052 set_attr (sc, ATTR_UL); 2053 chp++; 2054 break; 2055 2056 case '5': 2057 set_attr (sc, ATTR_BLINK); 2058 chp++; 2059 break; 2060 2061 case '7': 2062 set_attr (sc, ATTR_INV); 2063 chp++; 2064 break; 2065 2066 default: 2067 chp++; 2068 break; 2069 } 2070 } 2071 2072 } 2073 sc->escape = 0; 2074 return; 2075 2076 2077 case 'u': 2078 /* DECRQTSR */ 2079 ite_sendstr ("\033P\033\\"); 2080 sc->escape = 0; 2081 return; 2082 2083 2084 2085 default: 2086 sc->escape = 0; 2087 return; 2088 } 2089 break; 2090 2091 2092 2093 case '?': /* CSI ? */ 2094 switch (c) { 2095 case '0': case '1': case '2': case '3': case '4': 2096 case '5': case '6': case '7': case '8': case '9': 2097 case ';': case '\"': case '$': 2098 /* Don't fill the last character; it's needed. */ 2099 /* XXX yeah, where ?? */ 2100 if (sc->ap < sc->argbuf + MAX_ARGSIZE - 1) 2101 *sc->ap++ = c; 2102 return; 2103 2104 2105 case 'n': 2106 *sc->ap = 0; 2107 if (sc->ap == &sc->argbuf[2]) 2108 { 2109 if (! strncmp (sc->argbuf, "15", 2)) 2110 /* printer status: no printer */ 2111 ite_sendstr ("\033[13n"); 2112 2113 else if (! strncmp (sc->argbuf, "25", 2)) 2114 /* udk status */ 2115 ite_sendstr ("\033[20n"); 2116 2117 else if (! strncmp (sc->argbuf, "26", 2)) 2118 /* keyboard dialect: US */ 2119 ite_sendstr ("\033[27;1n"); 2120 } 2121 sc->escape = 0; 2122 return; 2123 2124 2125 case 'h': case 'l': 2126 n = ite_zargnum (sc); 2127 switch (n) 2128 { 2129 case 1: 2130 sc->cursor_appmode = (c == 'h'); 2131 break; 2132 2133 case 3: 2134 /* 132/80 columns (132 == 'h') */ 2135 break; 2136 2137 case 4: /* smooth scroll */ 2138 break; 2139 2140 case 5: 2141 /* light background (=='h') /dark background(=='l') */ 2142 break; 2143 2144 case 6: /* origin mode */ 2145 sc->inside_margins = (c == 'h'); 2146 sc->curx = 0; 2147 sc->cury = sc->inside_margins ? sc->top_margin : 0; 2148 SUBR_CURSOR(sc, MOVE_CURSOR); 2149 break; 2150 2151 case 7: /* auto wraparound */ 2152 sc->auto_wrap = (c == 'h'); 2153 break; 2154 2155 case 8: /* keyboard repeat */ 2156 sc->key_repeat = (c == 'h'); 2157 break; 2158 2159 case 20: /* newline mode */ 2160 sc->linefeed_newline = (c == 'h'); 2161 break; 2162 2163 case 25: /* cursor on/off */ 2164 SUBR_CURSOR(sc, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR); 2165 break; 2166 } 2167 sc->escape = 0; 2168 return; 2169 2170 default: 2171 sc->escape = 0; 2172 return; 2173 } 2174 break; 2175 2176 2177 default: 2178 sc->escape = 0; 2179 return; 2180 } 2181 } 2182 2183 switch (c) { 2184 2185 case VT: /* VT is treated like LF */ 2186 case FF: /* so is FF */ 2187 case LF: 2188 /* cr->crlf distinction is done here, on output, 2189 not on input! */ 2190 if (sc->linefeed_newline) 2191 ite_crlf (sc); 2192 else 2193 ite_lf (sc); 2194 break; 2195 2196 case CR: 2197 ite_cr (sc); 2198 break; 2199 2200 case BS: 2201 if (--sc->curx < 0) 2202 sc->curx = 0; 2203 else 2204 SUBR_CURSOR(sc, MOVE_CURSOR); 2205 break; 2206 2207 case HT: 2208 for (n = sc->curx + 1; n < sc->cols; n++) { 2209 if (sc->tabs[n]) { 2210 sc->curx = n; 2211 SUBR_CURSOR(sc, MOVE_CURSOR); 2212 break; 2213 } 2214 } 2215 break; 2216 2217 case BEL: 2218 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty) 2219 kbdbell(); 2220 break; 2221 2222 case SO: 2223 sc->GL = &sc->G1; 2224 break; 2225 2226 case SI: 2227 sc->GL = &sc->G0; 2228 break; 2229 2230 case ENQ: 2231 /* send answer-back message !! */ 2232 break; 2233 2234 case CAN: 2235 sc->escape = 0; /* cancel any escape sequence in progress */ 2236 break; 2237 2238 case SUB: 2239 sc->escape = 0; /* dito, but see below */ 2240 /* should also display a reverse question mark!! */ 2241 break; 2242 2243 case ESC: 2244 sc->escape = ESC; 2245 break; 2246 2247 2248 /* now it gets weird.. 8bit control sequences.. */ 2249 case IND: /* index: move cursor down, scroll */ 2250 ite_lf (sc); 2251 break; 2252 2253 case NEL: /* next line. next line, first pos. */ 2254 ite_crlf (sc); 2255 break; 2256 2257 case HTS: /* set horizontal tab */ 2258 if (sc->curx < sc->cols) 2259 sc->tabs[sc->curx] = 1; 2260 break; 2261 2262 case RI: /* reverse index */ 2263 ite_rlf (sc); 2264 break; 2265 2266 case SS2: /* go into G2 for one character */ 2267 /* not yet supported */ 2268 break; 2269 2270 case SS3: /* go into G3 for one character */ 2271 break; 2272 2273 case DCS: /* device control string introducer */ 2274 sc->escape = DCS; 2275 sc->ap = sc->argbuf; 2276 break; 2277 2278 case CSI: /* control sequence introducer */ 2279 sc->escape = CSI; 2280 sc->ap = sc->argbuf; 2281 break; 2282 2283 case ST: /* string terminator */ 2284 /* ignore, if not used as terminator */ 2285 break; 2286 2287 case OSC: /* introduces OS command. Ignore everything upto ST */ 2288 sc->escape = OSC; 2289 break; 2290 2291 case PM: /* privacy message, ignore everything upto ST */ 2292 sc->escape = PM; 2293 break; 2294 2295 case APC: /* application program command, ignore everything upto ST */ 2296 sc->escape = APC; 2297 break; 2298 2299 default: 2300 if (c < ' ' || c == DEL) 2301 break; 2302 if (sc->imode) 2303 ite_inchar(sc, 1); 2304 iteprecheckwrap(sc); 2305 #ifdef DO_WEIRD_ATTRIBUTES 2306 if ((sc->attribute & ATTR_INV) || attrtest(sc, ATTR_INV)) { 2307 attrset(sc, ATTR_INV); 2308 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_INV); 2309 } else 2310 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_NOR); 2311 #else 2312 SUBR_PUTC(sc, c, sc->cury, sc->curx, sc->attribute); 2313 #endif 2314 SUBR_CURSOR(sc, DRAW_CURSOR); 2315 itecheckwrap(sc); 2316 break; 2317 } 2318 } 2319 2320 static void 2321 iteprecheckwrap(struct ite_softc *sc) 2322 { 2323 if (sc->auto_wrap && sc->curx == sc->cols) { 2324 sc->curx = 0; 2325 clr_attr(sc, ATTR_INV); 2326 if (++sc->cury >= sc->bottom_margin + 1) { 2327 sc->cury = sc->bottom_margin; 2328 SUBR_CURSOR(sc, MOVE_CURSOR); 2329 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP); 2330 ite_clrtoeol(sc); 2331 } else 2332 SUBR_CURSOR(sc, MOVE_CURSOR); 2333 } 2334 } 2335 2336 static void 2337 itecheckwrap(struct ite_softc *sc) 2338 { 2339 if (sc->curx < sc->cols) { 2340 sc->curx++; 2341 SUBR_CURSOR(sc, MOVE_CURSOR); 2342 } 2343 } 2344
Indexes created Mon Sep 22 10:09:38 GMT 2025