1 /* $NetBSD: ite.c,v 1.15 1996/09/16 06:43:39 leo Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: Utah Hdr: ite.c 1.1 90/07/09 41 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91 42 */ 43 44 /* 45 * ite - bitmapped terminal. 46 * Supports VT200, a few terminal features will be unavailable until 47 * the system actually probes the device (i.e. not after consinit()) 48 */ 49 50 #include <sys/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 62 #include <machine/cpu.h> 63 64 #include <atari/atari/device.h> 65 #include <atari/atari/kdassert.h> 66 #include <atari/dev/event_var.h> 67 #include <atari/dev/kbdmap.h> 68 #include <atari/dev/kbdvar.h> 69 #include <atari/dev/iteioctl.h> 70 #include <atari/dev/itevar.h> 71 #include <atari/dev/grfioctl.h> 72 #include <atari/dev/grfabs_reg.h> 73 #include <atari/dev/grfvar.h> 74 #include <atari/dev/viewioctl.h> 75 #include <atari/dev/viewvar.h> 76 77 #define ITEUNIT(dev) (minor(dev)) 78 79 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip) 80 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip) 81 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m) 82 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg) 83 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w) 84 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir) 85 86 u_int ite_confunits; /* configured units */ 87 88 int start_repeat_timeo = 30; /* first repeat after x s/100 */ 89 int next_repeat_timeo = 10; /* next repeat after x s/100 */ 90 91 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */ 92 93 struct ite_softc con_itesoftc; 94 u_char cons_tabs[MAX_TABS]; 95 96 struct ite_softc *kbd_ite; 97 int kbd_init; 98 99 static __inline__ int atoi __P((const char *)); 100 static __inline__ int ite_argnum __P((struct ite_softc *)); 101 static __inline__ int ite_zargnum __P((struct ite_softc *)); 102 static __inline__ void ite_cr __P((struct ite_softc *)); 103 static __inline__ void ite_crlf __P((struct ite_softc *)); 104 static __inline__ void ite_clrline __P((struct ite_softc *)); 105 static __inline__ void ite_clrscreen __P((struct ite_softc *)); 106 static __inline__ void ite_clrtobos __P((struct ite_softc *)); 107 static __inline__ void ite_clrtobol __P((struct ite_softc *)); 108 static __inline__ void ite_clrtoeol __P((struct ite_softc *)); 109 static __inline__ void ite_clrtoeos __P((struct ite_softc *)); 110 static __inline__ void ite_dnchar __P((struct ite_softc *, int)); 111 static __inline__ void ite_inchar __P((struct ite_softc *, int)); 112 static __inline__ void ite_inline __P((struct ite_softc *, int)); 113 static __inline__ void ite_lf __P((struct ite_softc *)); 114 static __inline__ void ite_dnline __P((struct ite_softc *, int)); 115 static __inline__ void ite_rlf __P((struct ite_softc *)); 116 static __inline__ void ite_sendstr __P((char *)); 117 static __inline__ void snap_cury __P((struct ite_softc *)); 118 119 static void alignment_display __P((struct ite_softc *)); 120 static char *index __P((const char *, int)); 121 static struct ite_softc *getitesp __P((dev_t)); 122 static void itecheckwrap __P((struct ite_softc *)); 123 static void iteprecheckwrap __P((struct ite_softc *)); 124 static void itestart __P((struct tty *)); 125 static void ite_switch __P((int)); 126 static void repeat_handler __P((void *)); 127 128 void iteputchar __P((int c, struct ite_softc *ip)); 129 void ite_putstr __P((const u_char * s, int len, dev_t dev)); 130 void iteattach __P((struct device *, struct device *, void *)); 131 int itematch __P((struct device *, void *, void *)); 132 133 /* 134 * Console specific types. 135 */ 136 dev_type_cnprobe(itecnprobe); 137 dev_type_cninit(itecninit); 138 dev_type_cngetc(itecngetc); 139 dev_type_cnputc(itecnputc); 140 141 struct cfattach ite_ca = { 142 sizeof(struct ite_softc), itematch, iteattach 143 }; 144 145 struct cfdriver ite_cd = { 146 NULL, "ite", DV_DULL, NULL, 0 147 }; 148 149 int 150 itematch(pdp, match, auxp) 151 struct device *pdp; 152 void *match, *auxp; 153 { 154 struct cfdata *cdp = match; 155 struct grf_softc *gp = auxp; 156 dev_t itedev; 157 int maj; 158 159 /* 160 * all that our mask allows (more than enough no one 161 * has > 32 monitors for text consoles on one machine) 162 */ 163 if (cdp->cf_unit >= sizeof(ite_confunits) * NBBY) 164 return(0); 165 /* 166 * XXX 167 * normally this would be done in attach, however 168 * during early init we do not have a device pointer 169 * and thus no unit number. 170 */ 171 for(maj = 0; maj < nchrdev; maj++) 172 if (cdevsw[maj].d_open == iteopen) 173 break; 174 itedev = makedev(maj, cdp->cf_unit); 175 176 /* 177 * Try to make sure that a single ite will not be attached to 178 * multiple grf's. 179 * Note that the console grf is the only grf that will ever enter 180 * here with itedev != (dev_t)-1. 181 */ 182 if (gp->g_itedev == (dev_t)-1) { 183 if (ite_confunits & (1 << ITEUNIT(itedev))) 184 return (0); 185 } 186 187 gp->g_itedev = itedev; 188 return(1); 189 } 190 191 void 192 iteattach(pdp, dp, auxp) 193 struct device *pdp, *dp; 194 void *auxp; 195 { 196 struct grf_softc *gp; 197 struct ite_softc *ip; 198 int s; 199 200 gp = (struct grf_softc *)auxp; 201 202 /* 203 * mark unit as attached (XXX see itematch) 204 */ 205 ite_confunits |= 1 << ITEUNIT(gp->g_itedev); 206 207 if(dp) { 208 ip = (struct ite_softc *)dp; 209 210 s = spltty(); 211 if(con_itesoftc.grf != NULL 212 && con_itesoftc.grf->g_unit == gp->g_unit) { 213 /* 214 * console reinit copy params over. 215 * and console always gets keyboard 216 */ 217 bcopy(&con_itesoftc.grf, &ip->grf, 218 (char *)&ip[1] - (char *)&ip->grf); 219 con_itesoftc.grf = NULL; 220 kbd_ite = ip; 221 } 222 ip->grf = gp; 223 splx(s); 224 225 iteinit(gp->g_itedev); 226 printf(": rows %d cols %d", ip->rows, ip->cols); 227 printf(" repeat at (%d/100)s next at (%d/100)s", 228 start_repeat_timeo, next_repeat_timeo); 229 230 if (kbd_ite == NULL) 231 kbd_ite = ip; 232 if (kbd_ite == ip) 233 printf(" has keyboard"); 234 printf("\n"); 235 } else { 236 if (con_itesoftc.grf != NULL && 237 con_itesoftc.grf->g_conpri > gp->g_conpri) 238 return; 239 con_itesoftc.grf = gp; 240 con_itesoftc.tabs = cons_tabs; 241 } 242 } 243 244 static struct ite_softc * 245 getitesp(dev) 246 dev_t dev; 247 { 248 if(atari_realconfig && (con_itesoftc.grf == NULL)) 249 return(ite_cd.cd_devs[ITEUNIT(dev)]); 250 251 if(con_itesoftc.grf == NULL) 252 panic("no ite_softc for console"); 253 return(&con_itesoftc); 254 } 255 256 /* 257 * cons.c entry points into ite device. 258 */ 259 260 /* 261 * Return a priority in consdev->cn_pri field highest wins. This function 262 * is called before any devices have been probed. 263 */ 264 void 265 itecnprobe(cd) 266 struct consdev *cd; 267 { 268 /* 269 * bring graphics layer up. 270 */ 271 config_console(); 272 273 /* 274 * return priority of the best ite (already picked from attach) 275 * or CN_DEAD. 276 */ 277 if (con_itesoftc.grf == NULL) 278 cd->cn_pri = CN_DEAD; 279 else { 280 cd->cn_pri = con_itesoftc.grf->g_conpri; 281 cd->cn_dev = con_itesoftc.grf->g_itedev; 282 } 283 } 284 285 void 286 itecninit(cd) 287 struct consdev *cd; 288 { 289 struct ite_softc *ip; 290 291 ip = getitesp(cd->cn_dev); 292 ip->flags |= ITE_ISCONS; 293 iteinit(cd->cn_dev); 294 ip->flags |= ITE_ACTIVE | ITE_ISCONS; 295 } 296 297 /* 298 * ite_cnfinish() is called in ite_init() when the device is 299 * being probed in the normal fasion, thus we can finish setting 300 * up this ite now that the system is more functional. 301 */ 302 void 303 ite_cnfinish(ip) 304 struct ite_softc *ip; 305 { 306 static int done; 307 308 if (done) 309 return; 310 done = 1; 311 } 312 313 int 314 itecngetc(dev) 315 dev_t dev; 316 { 317 int c; 318 319 /* XXX this should be moved */ 320 if (!kbd_init) { 321 kbd_init = 1; 322 kbdenable(); 323 } 324 do { 325 c = kbdgetcn(); 326 c = ite_cnfilter(c, ITEFILT_CONSOLE); 327 } while (c == -1); 328 return (c); 329 } 330 331 void 332 itecnputc(dev, c) 333 dev_t dev; 334 int c; 335 { 336 static int paniced; 337 struct ite_softc *ip; 338 char ch; 339 340 ip = getitesp(dev); 341 ch = c; 342 343 if (panicstr && !paniced && 344 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 345 (void)ite_on(dev, 3); 346 paniced = 1; 347 } 348 iteputchar(ch, ip); 349 } 350 351 /* 352 * standard entry points to the device. 353 */ 354 355 /* 356 * iteinit() is the standard entry point for initialization of 357 * an ite device, it is also called from itecninit(). 358 * 359 */ 360 void 361 iteinit(dev) 362 dev_t dev; 363 { 364 struct ite_softc *ip; 365 366 ip = getitesp(dev); 367 if (ip->flags & ITE_INITED) 368 return; 369 if (atari_realconfig) { 370 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap) 371 free(ip->kbdmap, M_DEVBUF); 372 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK); 373 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap)); 374 } 375 else ip->kbdmap = &ascii_kbdmap; 376 377 ip->cursorx = 0; 378 ip->cursory = 0; 379 SUBR_INIT(ip); 380 SUBR_CURSOR(ip, DRAW_CURSOR); 381 if (ip->tabs == NULL) 382 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 383 ite_reset(ip); 384 ip->flags |= ITE_INITED; 385 } 386 387 int 388 iteopen(dev, mode, devtype, p) 389 dev_t dev; 390 int mode, devtype; 391 struct proc *p; 392 { 393 struct ite_softc *ip; 394 struct tty *tp; 395 int error, first, unit; 396 397 unit = ITEUNIT(dev); 398 first = 0; 399 400 if (((1 << unit) & ite_confunits) == 0) 401 return (ENXIO); 402 403 ip = getitesp(dev); 404 405 if (ip->tp == NULL) { 406 tp = ip->tp = ttymalloc(); 407 tty_attach(tp); 408 } 409 else tp = ip->tp; 410 411 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE) 412 && p->p_ucred->cr_uid != 0) 413 return (EBUSY); 414 if ((ip->flags & ITE_ACTIVE) == 0) { 415 error = ite_on(dev, 0); 416 if (error) 417 return (error); 418 first = 1; 419 } 420 tp->t_oproc = itestart; 421 tp->t_param = ite_param; 422 tp->t_dev = dev; 423 if ((tp->t_state & TS_ISOPEN) == 0) { 424 ttychars(tp); 425 tp->t_iflag = TTYDEF_IFLAG; 426 tp->t_oflag = TTYDEF_OFLAG; 427 tp->t_cflag = TTYDEF_CFLAG; 428 tp->t_lflag = TTYDEF_LFLAG; 429 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 430 tp->t_state = TS_WOPEN | TS_CARR_ON; 431 ttsetwater(tp); 432 } 433 error = (*linesw[tp->t_line].l_open) (dev, tp); 434 if (error == 0) { 435 tp->t_winsize.ws_row = ip->rows; 436 tp->t_winsize.ws_col = ip->cols; 437 if (!kbd_init) { 438 kbd_init = 1; 439 kbdenable(); 440 } 441 } else if (first) 442 ite_off(dev, 0); 443 return (error); 444 } 445 446 int 447 iteclose(dev, flag, mode, p) 448 dev_t dev; 449 int flag, mode; 450 struct proc *p; 451 { 452 struct tty *tp; 453 454 tp = getitesp(dev)->tp; 455 456 KDASSERT(tp); 457 (*linesw[tp->t_line].l_close) (tp, flag); 458 ttyclose(tp); 459 ite_off(dev, 0); 460 return (0); 461 } 462 463 int 464 iteread(dev, uio, flag) 465 dev_t dev; 466 struct uio *uio; 467 int flag; 468 { 469 struct tty *tp; 470 471 tp = getitesp(dev)->tp; 472 473 KDASSERT(tp); 474 return ((*linesw[tp->t_line].l_read) (tp, uio, flag)); 475 } 476 477 int 478 itewrite(dev, uio, flag) 479 dev_t dev; 480 struct uio *uio; 481 int flag; 482 { 483 struct tty *tp; 484 485 tp = getitesp(dev)->tp; 486 487 KDASSERT(tp); 488 return ((*linesw[tp->t_line].l_write) (tp, uio, flag)); 489 } 490 491 void 492 itestop(tp, flag) 493 struct tty *tp; 494 int flag; 495 { 496 497 } 498 499 struct tty * 500 itetty(dev) 501 dev_t dev; 502 { 503 return(getitesp(dev)->tp); 504 } 505 506 int 507 iteioctl(dev, cmd, addr, flag, p) 508 dev_t dev; 509 u_long cmd; 510 int flag; 511 caddr_t addr; 512 struct proc *p; 513 { 514 struct iterepeat *irp; 515 struct ite_softc *ip; 516 struct tty *tp; 517 int error; 518 519 ip = getitesp(dev); 520 tp = ip->tp; 521 522 KDASSERT(tp); 523 524 error = (*linesw[tp->t_line].l_ioctl) (tp, cmd, addr, flag, p); 525 if(error >= 0) 526 return (error); 527 error = ttioctl(tp, cmd, addr, flag, p); 528 if (error >= 0) 529 return (error); 530 531 switch (cmd) { 532 case ITEIOCSKMAP: 533 if (addr == 0) 534 return(EFAULT); 535 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap)); 536 return(0); 537 case ITEIOCSSKMAP: 538 if (addr == 0) 539 return(EFAULT); 540 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap)); 541 return(0); 542 case ITEIOCGKMAP: 543 if (addr == NULL) 544 return(EFAULT); 545 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap)); 546 return(0); 547 case ITEIOCGREPT: 548 irp = (struct iterepeat *)addr; 549 irp->start = start_repeat_timeo; 550 irp->next = next_repeat_timeo; 551 return(0); 552 case ITEIOCSREPT: 553 irp = (struct iterepeat *)addr; 554 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT) 555 return(EINVAL); 556 start_repeat_timeo = irp->start; 557 next_repeat_timeo = irp->next; 558 return(0); 559 } 560 error = ite_grf_ioctl(ip, cmd, addr, flag, p); 561 if(error >= 0) 562 return(error); 563 return (ENOTTY); 564 } 565 566 void 567 itestart(tp) 568 struct tty *tp; 569 { 570 struct clist *rbp; 571 struct ite_softc *ip; 572 u_char buf[ITEBURST]; 573 int s, len; 574 575 ip = getitesp(tp->t_dev); 576 577 KDASSERT(tp); 578 579 s = spltty(); { 580 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 581 goto out; 582 583 tp->t_state |= TS_BUSY; 584 rbp = &tp->t_outq; 585 586 len = q_to_b(rbp, buf, ITEBURST); 587 } splx(s); 588 589 /* Here is a really good place to implement pre/jumpscroll() */ 590 ite_putstr((char *)buf, len, tp->t_dev); 591 592 s = spltty(); { 593 tp->t_state &= ~TS_BUSY; 594 /* we have characters remaining. */ 595 if (rbp->c_cc) { 596 tp->t_state |= TS_TIMEOUT; 597 timeout(ttrstrt, tp, 1); 598 } 599 /* wakeup we are below */ 600 if (rbp->c_cc <= tp->t_lowat) { 601 if (tp->t_state & TS_ASLEEP) { 602 tp->t_state &= ~TS_ASLEEP; 603 wakeup((caddr_t) rbp); 604 } 605 selwakeup(&tp->t_wsel); 606 } 607 out: ; 608 } splx(s); 609 } 610 611 int 612 ite_on(dev, flag) 613 dev_t dev; 614 int flag; 615 { 616 struct ite_softc *ip; 617 int unit; 618 619 unit = ITEUNIT(dev); 620 if (((1 << unit) & ite_confunits) == 0) 621 return (ENXIO); 622 623 ip = getitesp(dev); 624 625 /* force ite active, overriding graphics mode */ 626 if (flag & 1) { 627 ip->flags |= ITE_ACTIVE; 628 ip->flags &= ~(ITE_INGRF | ITE_INITED); 629 } 630 /* leave graphics mode */ 631 if (flag & 2) { 632 ip->flags &= ~ITE_INGRF; 633 if ((ip->flags & ITE_ACTIVE) == 0) 634 return (0); 635 } 636 ip->flags |= ITE_ACTIVE; 637 if (ip->flags & ITE_INGRF) 638 return (0); 639 iteinit(dev); 640 return (0); 641 } 642 643 void 644 ite_off(dev, flag) 645 dev_t dev; 646 int flag; 647 { 648 struct ite_softc *ip; 649 650 ip = getitesp(dev); 651 if (flag & 2) 652 ip->flags |= ITE_INGRF; 653 if ((ip->flags & ITE_ACTIVE) == 0) 654 return; 655 if ((flag & 1) || 656 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 657 SUBR_DEINIT(ip); 658 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */ 659 ip->flags &= ~ITE_ACTIVE; 660 } 661 662 static void 663 ite_switch(unit) 664 int unit; 665 { 666 struct ite_softc *ip; 667 668 if(!(ite_confunits & (1 << unit))) 669 return; /* Don't try unconfigured units */ 670 ip = getitesp(unit); 671 if(!(ip->flags & ITE_INITED)) 672 return; 673 674 /* 675 * If switching to an active ite, also switch the keyboard. 676 */ 677 if(ip->flags & ITE_ACTIVE) 678 kbd_ite = ip; 679 680 /* 681 * Now make it visible 682 */ 683 viewioctl(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 0, NOPROC); 684 685 /* 686 * Make sure the cursor's there too.... 687 */ 688 SUBR_CURSOR(ip, DRAW_CURSOR); 689 } 690 691 /* XXX called after changes made in underlying grf layer. */ 692 /* I want to nuke this */ 693 void 694 ite_reinit(dev) 695 dev_t dev; 696 { 697 struct ite_softc *ip; 698 699 ip = getitesp(dev); 700 ip->flags &= ~ITE_INITED; 701 iteinit(dev); 702 } 703 704 int 705 ite_param(tp, t) 706 struct tty *tp; 707 struct termios *t; 708 { 709 tp->t_ispeed = t->c_ispeed; 710 tp->t_ospeed = t->c_ospeed; 711 tp->t_cflag = t->c_cflag; 712 return (0); 713 } 714 715 void 716 ite_reset(ip) 717 struct ite_softc *ip; 718 { 719 int i; 720 721 ip->curx = 0; 722 ip->cury = 0; 723 ip->attribute = ATTR_NOR; 724 ip->save_curx = 0; 725 ip->save_cury = 0; 726 ip->save_attribute = ATTR_NOR; 727 ip->ap = ip->argbuf; 728 ip->emul_level = 0; 729 ip->eightbit_C1 = 0; 730 ip->top_margin = 0; 731 ip->bottom_margin = ip->rows - 1; 732 ip->inside_margins = 0; 733 ip->linefeed_newline = 0; 734 ip->auto_wrap = ite_default_wrap; 735 ip->cursor_appmode = 0; 736 ip->keypad_appmode = 0; 737 ip->imode = 0; 738 ip->key_repeat = 1; 739 bzero(ip->tabs, ip->cols); 740 for (i = 0; i < ip->cols; i++) 741 ip->tabs[i] = ((i & 7) == 0); 742 } 743 744 /* 745 * has to be global becuase of the shared filters. 746 */ 747 static u_char key_mod; 748 static u_char last_dead; 749 750 /* Used in console at startup only */ 751 int 752 ite_cnfilter(c, caller) 753 u_int c; 754 enum caller caller; 755 { 756 struct key key; 757 struct kbdmap *kbdmap; 758 u_char code, up, mask; 759 int s; 760 761 up = KBD_RELEASED(c); 762 c = KBD_SCANCODE(c); 763 code = 0; 764 mask = 0; 765 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap; 766 767 s = spltty(); 768 769 /* 770 * Handle special keys 771 */ 772 switch(c) { 773 case KBD_LEFT_SHIFT: 774 mask = KBD_MOD_LSHIFT; 775 break; 776 case KBD_RIGHT_SHIFT: 777 mask = KBD_MOD_RSHIFT; 778 break; 779 case KBD_CTRL: 780 mask = KBD_MOD_CTRL; 781 break; 782 case KBD_ALT: 783 mask = KBD_MOD_ALT; 784 break; 785 case KBD_CAPS_LOCK: 786 /* CAPSLOCK is a toggle */ 787 if(!up) 788 key_mod ^= KBD_MOD_CAPS; 789 splx(s); 790 return -1; 791 break; 792 } 793 if(mask) { 794 if(up) 795 key_mod &= ~mask; 796 else 797 key_mod |= mask; 798 splx(s); 799 return -1; 800 } 801 802 /* 803 * No special action if key released 804 */ 805 if(up) { 806 splx(s); 807 return -1; 808 } 809 810 /* translate modifiers */ 811 if(key_mod & KBD_MOD_SHIFT) { 812 if(key_mod & KBD_MOD_ALT) 813 key = kbdmap->alt_shift_keys[c]; 814 else key = kbdmap->shift_keys[c]; 815 } 816 else if(key_mod & KBD_MOD_ALT) 817 key = kbdmap->alt_keys[c]; 818 else { 819 key = kbdmap->keys[c]; 820 /* 821 * If CAPS and key is CAPable (no pun intended) 822 */ 823 if((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 824 key = kbdmap->shift_keys[c]; 825 } 826 code = key.code; 827 828 #ifdef notyet /* LWP: Didn't have time to look at this yet */ 829 /* 830 * If string return simple console filter 831 */ 832 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 833 splx(s); 834 return -1; 835 } 836 /* handle dead keys */ 837 if(key->mode & KBD_MODE_DEAD) { 838 /* if entered twice, send accent itself */ 839 if (last_dead == key->mode & KBD_MODE_ACCMASK) 840 last_dead = 0; 841 else { 842 last_dead = key->mode & KBD_MODE_ACCMASK; 843 splx(s); 844 return -1; 845 } 846 } 847 if(last_dead) { 848 /* can't apply dead flag to string-keys */ 849 if (code >= '@' && code < 0x7f) 850 code = 851 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 852 last_dead = 0; 853 } 854 #endif 855 if(key_mod & KBD_MOD_CTRL) 856 code &= 0x1f; 857 858 /* 859 * Do console mapping. 860 */ 861 code = code == '\r' ? '\n' : code; 862 863 splx(s); 864 return (code); 865 } 866 867 /* And now the old stuff. */ 868 869 /* these are used to implement repeating keys.. */ 870 static u_int last_char; 871 static u_char tout_pending; 872 873 /*ARGSUSED*/ 874 static void 875 repeat_handler(arg) 876 void *arg; 877 { 878 tout_pending = 0; 879 if(last_char) 880 add_sicallback((si_farg)ite_filter, (void *)last_char, 881 (void *)ITEFILT_REPEATER); 882 } 883 884 void 885 ite_filter(c, caller) 886 u_int c; 887 enum caller caller; 888 { 889 struct tty *kbd_tty; 890 struct kbdmap *kbdmap; 891 u_char code, *str, up, mask; 892 struct key key; 893 int s, i; 894 895 if(kbd_ite == NULL) 896 return; 897 898 kbd_tty = kbd_ite->tp; 899 kbdmap = kbd_ite->kbdmap; 900 901 up = KBD_RELEASED(c); 902 c = KBD_SCANCODE(c); 903 code = 0; 904 mask = 0; 905 906 /* have to make sure we're at spltty in here */ 907 s = spltty(); 908 909 /* 910 * keyboard interrupts come at priority 2, while softint 911 * generated keyboard-repeat interrupts come at level 1. So, 912 * to not allow a key-up event to get thru before a repeat for 913 * the key-down, we remove any outstanding callout requests.. 914 */ 915 rem_sicallback((si_farg)ite_filter); 916 917 918 /* 919 * Handle special keys 920 */ 921 switch(c) { 922 case KBD_LEFT_SHIFT: 923 mask = KBD_MOD_LSHIFT; 924 break; 925 case KBD_RIGHT_SHIFT: 926 mask = KBD_MOD_RSHIFT; 927 break; 928 case KBD_CTRL: 929 mask = KBD_MOD_CTRL; 930 break; 931 case KBD_ALT: 932 mask = KBD_MOD_ALT; 933 break; 934 case KBD_CAPS_LOCK: 935 /* CAPSLOCK is a toggle */ 936 if(!up) 937 key_mod ^= KBD_MOD_CAPS; 938 splx(s); 939 return; 940 break; 941 } 942 if(mask) { 943 if(up) 944 key_mod &= ~mask; 945 else 946 key_mod |= mask; 947 splx(s); 948 return; 949 } 950 951 /* 952 * Stop repeating on up event 953 */ 954 if (up) { 955 if(tout_pending) { 956 untimeout(repeat_handler, 0); 957 tout_pending = 0; 958 last_char = 0; 959 } 960 splx(s); 961 return; 962 } 963 else if(tout_pending && last_char != c) { 964 /* 965 * Different character, stop also 966 */ 967 untimeout(repeat_handler, 0); 968 tout_pending = 0; 969 last_char = 0; 970 } 971 972 /* 973 * Handle ite-switching ALT + Fx 974 */ 975 if((key_mod == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) { 976 ite_switch(c - 0x3b); 977 splx(s); 978 return; 979 } 980 /* 981 * Safety button, switch back to ascii keymap. 982 */ 983 if(key_mod == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) { 984 /* ALT + LSHIFT + F1 */ 985 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap)); 986 splx(s); 987 return; 988 #ifdef DDB 989 } 990 else if(key_mod == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) { 991 /* ALT + LSHIFT + F9 */ 992 Debugger(); 993 splx(s); 994 return; 995 #endif 996 } 997 998 /* 999 * The rest of the code is senseless when the device is not open. 1000 */ 1001 if(kbd_tty == NULL) { 1002 splx(s); 1003 return; 1004 } 1005 1006 /* 1007 * Translate modifiers 1008 */ 1009 if(key_mod & KBD_MOD_SHIFT) { 1010 if(key_mod & KBD_MOD_ALT) 1011 key = kbdmap->alt_shift_keys[c]; 1012 else key = kbdmap->shift_keys[c]; 1013 } 1014 else if(key_mod & KBD_MOD_ALT) 1015 key = kbdmap->alt_keys[c]; 1016 else { 1017 key = kbdmap->keys[c]; 1018 /* 1019 * If CAPS and key is CAPable (no pun intended) 1020 */ 1021 if((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 1022 key = kbdmap->shift_keys[c]; 1023 } 1024 code = key.code; 1025 1026 /* 1027 * Arrange to repeat the keystroke. By doing this at the level 1028 * of scan-codes, we can have function keys, and keys that 1029 * send strings, repeat too. This also entitles an additional 1030 * overhead, since we have to do the conversion each time, but 1031 * I guess that's ok. 1032 */ 1033 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 1034 tout_pending = 1; 1035 last_char = c; 1036 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100); 1037 } 1038 else if(!tout_pending && caller==ITEFILT_REPEATER 1039 && kbd_ite->key_repeat) { 1040 tout_pending = 1; 1041 last_char = c; 1042 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100); 1043 } 1044 /* handle dead keys */ 1045 if (key.mode & KBD_MODE_DEAD) { 1046 /* if entered twice, send accent itself */ 1047 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 1048 last_dead = 0; 1049 else { 1050 last_dead = key.mode & KBD_MODE_ACCMASK; 1051 splx(s); 1052 return; 1053 } 1054 } 1055 if (last_dead) { 1056 /* can't apply dead flag to string-keys */ 1057 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 1058 code < 0x7f) 1059 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 1060 last_dead = 0; 1061 } 1062 1063 /* 1064 * If not string, apply CTRL modifiers 1065 */ 1066 if(!(key.mode & KBD_MODE_STRING) 1067 && (!(key.mode & KBD_MODE_KPAD) 1068 || (kbd_ite && !kbd_ite->keypad_appmode))) { 1069 if(key_mod & KBD_MOD_CTRL) 1070 code &= 0x1f; 1071 } 1072 else if((key.mode & KBD_MODE_KPAD) 1073 && (kbd_ite && kbd_ite->keypad_appmode)) { 1074 static char *in = "0123456789-+.\r()/*"; 1075 static char *out = "pqrstuvwxymlnMPQRS"; 1076 char *cp = index(in, code); 1077 1078 /* 1079 * keypad-appmode sends SS3 followed by the above 1080 * translated character 1081 */ 1082 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty); 1083 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty); 1084 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty); 1085 splx(s); 1086 return; 1087 } else { 1088 /* *NO* I don't like this.... */ 1089 static u_char app_cursor[] = 1090 { 1091 3, 27, 'O', 'A', 1092 3, 27, 'O', 'B', 1093 3, 27, 'O', 'C', 1094 3, 27, 'O', 'D'}; 1095 1096 str = kbdmap->strings + code; 1097 /* 1098 * if this is a cursor key, AND it has the default 1099 * keymap setting, AND we're in app-cursor mode, switch 1100 * to the above table. This is *nasty* ! 1101 */ 1102 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50)) 1103 && kbd_ite->cursor_appmode 1104 && !bcmp(str, "\x03\x1b[", 3) && 1105 index("ABCD", str[3])) 1106 str = app_cursor + 4 * (str[3] - 'A'); 1107 1108 /* 1109 * using a length-byte instead of 0-termination allows 1110 * to embed \0 into strings, although this is not used 1111 * in the default keymap 1112 */ 1113 for (i = *str++; i; i--) 1114 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty); 1115 splx(s); 1116 return; 1117 } 1118 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty); 1119 1120 splx(s); 1121 return; 1122 } 1123 1124 /* helper functions, makes the code below more readable */ 1125 static __inline__ void 1126 ite_sendstr(str) 1127 char *str; 1128 { 1129 struct tty *kbd_tty; 1130 1131 kbd_tty = kbd_ite->tp; 1132 KDASSERT(kbd_tty); 1133 while (*str) 1134 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty); 1135 } 1136 1137 static void 1138 alignment_display(ip) 1139 struct ite_softc *ip; 1140 { 1141 int i, j; 1142 1143 for (j = 0; j < ip->rows; j++) 1144 for (i = 0; i < ip->cols; i++) 1145 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR); 1146 attrclr(ip, 0, 0, ip->rows, ip->cols); 1147 SUBR_CURSOR(ip, DRAW_CURSOR); 1148 } 1149 1150 static __inline__ void 1151 snap_cury(ip) 1152 struct ite_softc *ip; 1153 { 1154 if (ip->inside_margins) 1155 { 1156 if (ip->cury < ip->top_margin) 1157 ip->cury = ip->top_margin; 1158 if (ip->cury > ip->bottom_margin) 1159 ip->cury = ip->bottom_margin; 1160 } 1161 } 1162 1163 static __inline__ void 1164 ite_dnchar(ip, n) 1165 struct ite_softc *ip; 1166 int n; 1167 { 1168 n = min(n, ip->cols - ip->curx); 1169 if (n < ip->cols - ip->curx) 1170 { 1171 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT); 1172 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx, 1173 1, ip->cols - ip->curx - n); 1174 attrclr(ip, ip->cury, ip->cols - n, 1, n); 1175 } 1176 while (n-- > 0) 1177 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR); 1178 SUBR_CURSOR(ip, DRAW_CURSOR); 1179 } 1180 1181 static __inline__ void 1182 ite_inchar(ip, n) 1183 struct ite_softc *ip; 1184 int n; 1185 { 1186 n = min(n, ip->cols - ip->curx); 1187 if (n < ip->cols - ip->curx) 1188 { 1189 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT); 1190 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n, 1191 1, ip->cols - ip->curx - n); 1192 attrclr(ip, ip->cury, ip->curx, 1, n); 1193 } 1194 while (n--) 1195 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1196 SUBR_CURSOR(ip, DRAW_CURSOR); 1197 } 1198 1199 static __inline__ void 1200 ite_clrtoeol(ip) 1201 struct ite_softc *ip; 1202 { 1203 int y = ip->cury, x = ip->curx; 1204 if (ip->cols - x > 0) 1205 { 1206 SUBR_CLEAR(ip, y, x, 1, ip->cols - x); 1207 attrclr(ip, y, x, 1, ip->cols - x); 1208 SUBR_CURSOR(ip, DRAW_CURSOR); 1209 } 1210 } 1211 1212 static __inline__ void 1213 ite_clrtobol(ip) 1214 struct ite_softc *ip; 1215 { 1216 int y = ip->cury, x = min(ip->curx + 1, ip->cols); 1217 SUBR_CLEAR(ip, y, 0, 1, x); 1218 attrclr(ip, y, 0, 1, x); 1219 SUBR_CURSOR(ip, DRAW_CURSOR); 1220 } 1221 1222 static __inline__ void 1223 ite_clrline(ip) 1224 struct ite_softc *ip; 1225 { 1226 int y = ip->cury; 1227 SUBR_CLEAR(ip, y, 0, 1, ip->cols); 1228 attrclr(ip, y, 0, 1, ip->cols); 1229 SUBR_CURSOR(ip, DRAW_CURSOR); 1230 } 1231 1232 1233 1234 static __inline__ void 1235 ite_clrtoeos(ip) 1236 struct ite_softc *ip; 1237 { 1238 ite_clrtoeol(ip); 1239 if (ip->cury < ip->rows - 1) 1240 { 1241 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols); 1242 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols); 1243 SUBR_CURSOR(ip, DRAW_CURSOR); 1244 } 1245 } 1246 1247 static __inline__ void 1248 ite_clrtobos(ip) 1249 struct ite_softc *ip; 1250 { 1251 ite_clrtobol(ip); 1252 if (ip->cury > 0) 1253 { 1254 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols); 1255 attrclr(ip, 0, 0, ip->cury, ip->cols); 1256 SUBR_CURSOR(ip, DRAW_CURSOR); 1257 } 1258 } 1259 1260 static __inline__ void 1261 ite_clrscreen(ip) 1262 struct ite_softc *ip; 1263 { 1264 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols); 1265 attrclr(ip, 0, 0, ip->rows, ip->cols); 1266 SUBR_CURSOR(ip, DRAW_CURSOR); 1267 } 1268 1269 1270 1271 static __inline__ void 1272 ite_dnline(ip, n) 1273 struct ite_softc *ip; 1274 int n; 1275 { 1276 /* interesting.. if the cursor is outside the scrolling 1277 region, this command is simply ignored.. */ 1278 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1279 return; 1280 1281 n = min(n, ip->bottom_margin + 1 - ip->cury); 1282 if (n <= ip->bottom_margin - ip->cury) 1283 { 1284 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP); 1285 attrmov(ip, ip->cury + n, 0, ip->cury, 0, 1286 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1287 } 1288 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1289 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1290 SUBR_CURSOR(ip, DRAW_CURSOR); 1291 } 1292 1293 static __inline__ void 1294 ite_inline(ip, n) 1295 struct ite_softc *ip; 1296 int n; 1297 { 1298 /* interesting.. if the cursor is outside the scrolling 1299 region, this command is simply ignored.. */ 1300 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1301 return; 1302 1303 n = min(n, ip->bottom_margin + 1 - ip->cury); 1304 if (n <= ip->bottom_margin - ip->cury) 1305 { 1306 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN); 1307 attrmov(ip, ip->cury, 0, ip->cury + n, 0, 1308 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1309 } 1310 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols); 1311 attrclr(ip, ip->cury, 0, n, ip->cols); 1312 SUBR_CURSOR(ip, DRAW_CURSOR); 1313 } 1314 1315 static __inline__ void 1316 ite_lf (ip) 1317 struct ite_softc *ip; 1318 { 1319 ++ip->cury; 1320 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows)) 1321 { 1322 ip->cury--; 1323 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1324 ite_clrline(ip); 1325 } 1326 SUBR_CURSOR(ip, MOVE_CURSOR); 1327 clr_attr(ip, ATTR_INV); 1328 } 1329 1330 static __inline__ void 1331 ite_crlf (ip) 1332 struct ite_softc *ip; 1333 { 1334 ip->curx = 0; 1335 ite_lf (ip); 1336 } 1337 1338 static __inline__ void 1339 ite_cr (ip) 1340 struct ite_softc *ip; 1341 { 1342 if (ip->curx) 1343 { 1344 ip->curx = 0; 1345 SUBR_CURSOR(ip, MOVE_CURSOR); 1346 } 1347 } 1348 1349 static __inline__ void 1350 ite_rlf (ip) 1351 struct ite_softc *ip; 1352 { 1353 ip->cury--; 1354 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1)) 1355 { 1356 ip->cury++; 1357 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN); 1358 ite_clrline(ip); 1359 } 1360 SUBR_CURSOR(ip, MOVE_CURSOR); 1361 clr_attr(ip, ATTR_INV); 1362 } 1363 1364 static __inline__ int 1365 atoi (cp) 1366 const char *cp; 1367 { 1368 int n; 1369 1370 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1371 n = n * 10 + *cp - '0'; 1372 1373 return n; 1374 } 1375 1376 static char * 1377 index (cp, ch) 1378 const char *cp; 1379 int ch; 1380 { 1381 while (*cp && *cp != ch) cp++; 1382 return *cp ? (char *) cp : 0; 1383 } 1384 1385 1386 static __inline__ int 1387 ite_argnum (ip) 1388 struct ite_softc *ip; 1389 { 1390 char ch; 1391 int n; 1392 1393 /* convert argument string into number */ 1394 if (ip->ap == ip->argbuf) 1395 return 1; 1396 ch = *ip->ap; 1397 *ip->ap = 0; 1398 n = atoi (ip->argbuf); 1399 *ip->ap = ch; 1400 1401 return n; 1402 } 1403 1404 static __inline__ int 1405 ite_zargnum (ip) 1406 struct ite_softc *ip; 1407 { 1408 char ch; 1409 int n; 1410 1411 /* convert argument string into number */ 1412 if (ip->ap == ip->argbuf) 1413 return 0; 1414 ch = *ip->ap; 1415 *ip->ap = 0; 1416 n = atoi (ip->argbuf); 1417 *ip->ap = ch; 1418 1419 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1420 } 1421 1422 void 1423 ite_putstr(s, len, dev) 1424 const u_char *s; 1425 int len; 1426 dev_t dev; 1427 { 1428 struct ite_softc *ip; 1429 int i; 1430 1431 ip = getitesp(dev); 1432 1433 /* XXX avoid problems */ 1434 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1435 return; 1436 1437 SUBR_CURSOR(ip, START_CURSOROPT); 1438 for (i = 0; i < len; i++) 1439 if (s[i]) 1440 iteputchar(s[i], ip); 1441 SUBR_CURSOR(ip, END_CURSOROPT); 1442 } 1443 1444 1445 void 1446 iteputchar(c, ip) 1447 register int c; 1448 struct ite_softc *ip; 1449 { 1450 struct tty *kbd_tty; 1451 int n, x, y; 1452 char *cp; 1453 1454 if (kbd_ite == NULL) 1455 kbd_tty = NULL; 1456 else 1457 kbd_tty = kbd_ite->tp; 1458 1459 if (ip->escape) 1460 { 1461 switch (ip->escape) 1462 { 1463 case ESC: 1464 switch (c) 1465 { 1466 /* first 7bit equivalents for the 8bit control characters */ 1467 1468 case 'D': 1469 c = IND; 1470 ip->escape = 0; 1471 break; /* and fall into the next switch below (same for all `break') */ 1472 1473 case 'E': 1474 c = NEL; 1475 ip->escape = 0; 1476 break; 1477 1478 case 'H': 1479 c = HTS; 1480 ip->escape = 0; 1481 break; 1482 1483 case 'M': 1484 c = RI; 1485 ip->escape = 0; 1486 break; 1487 1488 case 'N': 1489 c = SS2; 1490 ip->escape = 0; 1491 break; 1492 1493 case 'O': 1494 c = SS3; 1495 ip->escape = 0; 1496 break; 1497 1498 case 'P': 1499 c = DCS; 1500 ip->escape = 0; 1501 break; 1502 1503 case '[': 1504 c = CSI; 1505 ip->escape = 0; 1506 break; 1507 1508 case '\\': 1509 c = ST; 1510 ip->escape = 0; 1511 break; 1512 1513 case ']': 1514 c = OSC; 1515 ip->escape = 0; 1516 break; 1517 1518 case '^': 1519 c = PM; 1520 ip->escape = 0; 1521 break; 1522 1523 case '_': 1524 c = APC; 1525 ip->escape = 0; 1526 break; 1527 1528 1529 /* introduces 7/8bit control */ 1530 case ' ': 1531 /* can be followed by either F or G */ 1532 ip->escape = ' '; 1533 break; 1534 1535 1536 /* a lot of character set selections, not yet used... 1537 94-character sets: */ 1538 case '(': /* G0 */ 1539 case ')': /* G1 */ 1540 ip->escape = c; 1541 return; 1542 1543 case '*': /* G2 */ 1544 case '+': /* G3 */ 1545 case 'B': /* ASCII */ 1546 case 'A': /* ISO latin 1 */ 1547 case '<': /* user preferred suplemental */ 1548 case '0': /* dec special graphics */ 1549 1550 /* 96-character sets: */ 1551 case '-': /* G1 */ 1552 case '.': /* G2 */ 1553 case '/': /* G3 */ 1554 1555 /* national character sets: */ 1556 case '4': /* dutch */ 1557 case '5': 1558 case 'C': /* finnish */ 1559 case 'R': /* french */ 1560 case 'Q': /* french canadian */ 1561 case 'K': /* german */ 1562 case 'Y': /* italian */ 1563 case '6': /* norwegian/danish */ 1564 /* note: %5 and %6 are not supported (two chars..) */ 1565 1566 ip->escape = 0; 1567 /* just ignore for now */ 1568 return; 1569 1570 1571 /* locking shift modes (as you might guess, not yet supported..) */ 1572 case '`': 1573 ip->GR = ip->G1; 1574 ip->escape = 0; 1575 return; 1576 1577 case 'n': 1578 ip->GL = ip->G2; 1579 ip->escape = 0; 1580 return; 1581 1582 case '}': 1583 ip->GR = ip->G2; 1584 ip->escape = 0; 1585 return; 1586 1587 case 'o': 1588 ip->GL = ip->G3; 1589 ip->escape = 0; 1590 return; 1591 1592 case '|': 1593 ip->GR = ip->G3; 1594 ip->escape = 0; 1595 return; 1596 1597 1598 /* font width/height control */ 1599 case '#': 1600 ip->escape = '#'; 1601 return; 1602 1603 1604 /* hard terminal reset .. */ 1605 case 'c': 1606 ite_reset (ip); 1607 SUBR_CURSOR(ip, MOVE_CURSOR); 1608 ip->escape = 0; 1609 return; 1610 1611 1612 case '7': 1613 ip->save_curx = ip->curx; 1614 ip->save_cury = ip->cury; 1615 ip->save_attribute = ip->attribute; 1616 ip->escape = 0; 1617 return; 1618 1619 case '8': 1620 ip->curx = ip->save_curx; 1621 ip->cury = ip->save_cury; 1622 ip->attribute = ip->save_attribute; 1623 SUBR_CURSOR(ip, MOVE_CURSOR); 1624 ip->escape = 0; 1625 return; 1626 1627 case '=': 1628 ip->keypad_appmode = 1; 1629 ip->escape = 0; 1630 return; 1631 1632 case '>': 1633 ip->keypad_appmode = 0; 1634 ip->escape = 0; 1635 return; 1636 1637 case 'Z': /* request ID */ 1638 if (ip->emul_level == EMUL_VT100) 1639 ite_sendstr ("\033[?61;0c"); /* XXX not clean */ 1640 else 1641 ite_sendstr ("\033[?63;0c"); /* XXX not clean */ 1642 ip->escape = 0; 1643 return; 1644 1645 /* default catch all for not recognized ESC sequences */ 1646 default: 1647 ip->escape = 0; 1648 return; 1649 } 1650 break; 1651 1652 1653 case '(': 1654 case ')': 1655 ip->escape = 0; 1656 return; 1657 1658 1659 case ' ': 1660 switch (c) 1661 { 1662 case 'F': 1663 ip->eightbit_C1 = 0; 1664 ip->escape = 0; 1665 return; 1666 1667 case 'G': 1668 ip->eightbit_C1 = 1; 1669 ip->escape = 0; 1670 return; 1671 1672 default: 1673 /* not supported */ 1674 ip->escape = 0; 1675 return; 1676 } 1677 break; 1678 1679 1680 case '#': 1681 switch (c) 1682 { 1683 case '5': 1684 /* single height, single width */ 1685 ip->escape = 0; 1686 return; 1687 1688 case '6': 1689 /* double width, single height */ 1690 ip->escape = 0; 1691 return; 1692 1693 case '3': 1694 /* top half */ 1695 ip->escape = 0; 1696 return; 1697 1698 case '4': 1699 /* bottom half */ 1700 ip->escape = 0; 1701 return; 1702 1703 case '8': 1704 /* screen alignment pattern... */ 1705 alignment_display (ip); 1706 ip->escape = 0; 1707 return; 1708 1709 default: 1710 ip->escape = 0; 1711 return; 1712 } 1713 break; 1714 1715 1716 1717 case CSI: 1718 /* the biggie... */ 1719 switch (c) 1720 { 1721 case '0': case '1': case '2': case '3': case '4': 1722 case '5': case '6': case '7': case '8': case '9': 1723 case ';': case '\"': case '$': case '>': 1724 if (ip->ap < ip->argbuf + MAX_ARGSIZE) 1725 *ip->ap++ = c; 1726 return; 1727 1728 case BS: 1729 /* you wouldn't believe such perversion is possible? 1730 it is.. BS is allowed in between cursor sequences 1731 (at least), according to vttest.. */ 1732 if (--ip->curx < 0) 1733 ip->curx = 0; 1734 else 1735 SUBR_CURSOR(ip, MOVE_CURSOR); 1736 break; 1737 1738 case 'p': 1739 *ip->ap = 0; 1740 if (! strncmp (ip->argbuf, "61\"", 3)) 1741 ip->emul_level = EMUL_VT100; 1742 else if (! strncmp (ip->argbuf, "63;1\"", 5) 1743 || ! strncmp (ip->argbuf, "62;1\"", 5)) 1744 ip->emul_level = EMUL_VT300_7; 1745 else 1746 ip->emul_level = EMUL_VT300_8; 1747 ip->escape = 0; 1748 return; 1749 1750 1751 case '?': 1752 *ip->ap = 0; 1753 ip->escape = '?'; 1754 ip->ap = ip->argbuf; 1755 return; 1756 1757 1758 case 'c': 1759 *ip->ap = 0; 1760 if (ip->argbuf[0] == '>') 1761 { 1762 ite_sendstr ("\033[>24;0;0;0c"); 1763 } 1764 else switch (ite_zargnum(ip)) 1765 { 1766 case 0: 1767 /* primary DA request, send primary DA response */ 1768 if (ip->emul_level == EMUL_VT100) 1769 ite_sendstr ("\033[?1;1c"); 1770 else 1771 ite_sendstr ("\033[?63;1c"); 1772 break; 1773 } 1774 ip->escape = 0; 1775 return; 1776 1777 case 'n': 1778 switch (ite_zargnum(ip)) 1779 { 1780 case 5: 1781 ite_sendstr ("\033[0n"); /* no malfunction */ 1782 break; 1783 case 6: 1784 /* cursor position report */ 1785 sprintf (ip->argbuf, "\033[%d;%dR", 1786 ip->cury + 1, ip->curx + 1); 1787 ite_sendstr (ip->argbuf); 1788 break; 1789 } 1790 ip->escape = 0; 1791 return; 1792 1793 1794 case 'x': 1795 switch (ite_zargnum(ip)) 1796 { 1797 case 0: 1798 /* Fake some terminal parameters. */ 1799 ite_sendstr ("\033[2;1;1;112;112;1;0x"); 1800 break; 1801 case 1: 1802 ite_sendstr ("\033[3;1;1;112;112;1;0x"); 1803 break; 1804 } 1805 ip->escape = 0; 1806 return; 1807 1808 1809 case 'g': 1810 switch (ite_zargnum(ip)) 1811 { 1812 case 0: 1813 if (ip->curx < ip->cols) 1814 ip->tabs[ip->curx] = 0; 1815 break; 1816 case 3: 1817 for (n = 0; n < ip->cols; n++) 1818 ip->tabs[n] = 0; 1819 break; 1820 } 1821 ip->escape = 0; 1822 return; 1823 1824 1825 case 'h': case 'l': 1826 n = ite_zargnum (ip); 1827 switch (n) 1828 { 1829 case 4: 1830 ip->imode = (c == 'h'); /* insert/replace mode */ 1831 break; 1832 case 20: 1833 ip->linefeed_newline = (c == 'h'); 1834 break; 1835 } 1836 ip->escape = 0; 1837 return; 1838 1839 1840 case 'M': 1841 ite_dnline (ip, ite_argnum (ip)); 1842 ip->escape = 0; 1843 return; 1844 1845 1846 case 'L': 1847 ite_inline (ip, ite_argnum (ip)); 1848 ip->escape = 0; 1849 return; 1850 1851 1852 case 'P': 1853 ite_dnchar (ip, ite_argnum (ip)); 1854 ip->escape = 0; 1855 return; 1856 1857 1858 case '@': 1859 ite_inchar (ip, ite_argnum (ip)); 1860 ip->escape = 0; 1861 return; 1862 1863 1864 case 'G': 1865 /* this one was *not* in my vt320 manual but in 1866 a vt320 termcap entry.. who is right? 1867 It's supposed to set the horizontal cursor position. */ 1868 *ip->ap = 0; 1869 x = atoi (ip->argbuf); 1870 if (x) x--; 1871 ip->curx = min(x, ip->cols - 1); 1872 ip->escape = 0; 1873 SUBR_CURSOR(ip, MOVE_CURSOR); 1874 clr_attr (ip, ATTR_INV); 1875 return; 1876 1877 1878 case 'd': 1879 /* same thing here, this one's for setting the absolute 1880 vertical cursor position. Not documented... */ 1881 *ip->ap = 0; 1882 y = atoi (ip->argbuf); 1883 if (y) y--; 1884 if (ip->inside_margins) 1885 y += ip->top_margin; 1886 ip->cury = min(y, ip->rows - 1); 1887 ip->escape = 0; 1888 snap_cury(ip); 1889 SUBR_CURSOR(ip, MOVE_CURSOR); 1890 clr_attr (ip, ATTR_INV); 1891 return; 1892 1893 1894 case 'H': 1895 case 'f': 1896 *ip->ap = 0; 1897 y = atoi (ip->argbuf); 1898 x = 0; 1899 cp = index (ip->argbuf, ';'); 1900 if (cp) 1901 x = atoi (cp + 1); 1902 if (x) x--; 1903 if (y) y--; 1904 if (ip->inside_margins) 1905 y += ip->top_margin; 1906 ip->cury = min(y, ip->rows - 1); 1907 ip->curx = min(x, ip->cols - 1); 1908 ip->escape = 0; 1909 snap_cury(ip); 1910 SUBR_CURSOR(ip, MOVE_CURSOR); 1911 clr_attr (ip, ATTR_INV); 1912 return; 1913 1914 case 'A': 1915 n = ite_argnum (ip); 1916 n = ip->cury - (n ? n : 1); 1917 if (n < 0) n = 0; 1918 if (ip->inside_margins) 1919 n = max(ip->top_margin, n); 1920 else if (n == ip->top_margin - 1) 1921 /* allow scrolling outside region, but don't scroll out 1922 of active region without explicit CUP */ 1923 n = ip->top_margin; 1924 ip->cury = n; 1925 ip->escape = 0; 1926 SUBR_CURSOR(ip, MOVE_CURSOR); 1927 clr_attr (ip, ATTR_INV); 1928 return; 1929 1930 case 'B': 1931 n = ite_argnum (ip); 1932 n = ip->cury + (n ? n : 1); 1933 n = min(ip->rows - 1, n); 1934 if (ip->inside_margins) 1935 n = min(ip->bottom_margin, n); 1936 else if (n == ip->bottom_margin + 1) 1937 /* allow scrolling outside region, but don't scroll out 1938 of active region without explicit CUP */ 1939 n = ip->bottom_margin; 1940 ip->cury = n; 1941 ip->escape = 0; 1942 SUBR_CURSOR(ip, MOVE_CURSOR); 1943 clr_attr (ip, ATTR_INV); 1944 return; 1945 1946 case 'C': 1947 n = ite_argnum (ip); 1948 n = n ? n : 1; 1949 ip->curx = min(ip->curx + n, ip->cols - 1); 1950 ip->escape = 0; 1951 SUBR_CURSOR(ip, MOVE_CURSOR); 1952 clr_attr (ip, ATTR_INV); 1953 return; 1954 1955 case 'D': 1956 n = ite_argnum (ip); 1957 n = n ? n : 1; 1958 n = ip->curx - n; 1959 ip->curx = n >= 0 ? n : 0; 1960 ip->escape = 0; 1961 SUBR_CURSOR(ip, MOVE_CURSOR); 1962 clr_attr (ip, ATTR_INV); 1963 return; 1964 1965 1966 1967 1968 case 'J': 1969 *ip->ap = 0; 1970 n = ite_zargnum (ip); 1971 if (n == 0) 1972 ite_clrtoeos(ip); 1973 else if (n == 1) 1974 ite_clrtobos(ip); 1975 else if (n == 2) 1976 ite_clrscreen(ip); 1977 ip->escape = 0; 1978 return; 1979 1980 1981 case 'K': 1982 n = ite_zargnum (ip); 1983 if (n == 0) 1984 ite_clrtoeol(ip); 1985 else if (n == 1) 1986 ite_clrtobol(ip); 1987 else if (n == 2) 1988 ite_clrline(ip); 1989 ip->escape = 0; 1990 return; 1991 1992 1993 case 'X': 1994 n = ite_argnum(ip) - 1; 1995 n = min(n, ip->cols - 1 - ip->curx); 1996 for (; n >= 0; n--) 1997 { 1998 attrclr(ip, ip->cury, ip->curx + n, 1, 1); 1999 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 2000 } 2001 ip->escape = 0; 2002 return; 2003 2004 2005 case '}': case '`': 2006 /* status line control */ 2007 ip->escape = 0; 2008 return; 2009 2010 2011 case 'r': 2012 *ip->ap = 0; 2013 x = atoi (ip->argbuf); 2014 x = x ? x : 1; 2015 y = ip->rows; 2016 cp = index (ip->argbuf, ';'); 2017 if (cp) 2018 { 2019 y = atoi (cp + 1); 2020 y = y ? y : ip->rows; 2021 } 2022 if (y - x < 2) 2023 { 2024 /* if illegal scrolling region, reset to defaults */ 2025 x = 1; 2026 y = ip->rows; 2027 } 2028 x--; 2029 y--; 2030 ip->top_margin = min(x, ip->rows - 1); 2031 ip->bottom_margin = min(y, ip->rows - 1); 2032 if (ip->inside_margins) 2033 { 2034 ip->cury = ip->top_margin; 2035 ip->curx = 0; 2036 SUBR_CURSOR(ip, MOVE_CURSOR); 2037 } 2038 ip->escape = 0; 2039 return; 2040 2041 2042 case 'm': 2043 /* big attribute setter/resetter */ 2044 { 2045 char *cp; 2046 *ip->ap = 0; 2047 /* kludge to make CSIm work (== CSI0m) */ 2048 if (ip->ap == ip->argbuf) 2049 ip->ap++; 2050 for (cp = ip->argbuf; cp < ip->ap; ) 2051 { 2052 switch (*cp) 2053 { 2054 case 0: 2055 case '0': 2056 clr_attr (ip, ATTR_ALL); 2057 cp++; 2058 break; 2059 2060 case '1': 2061 set_attr (ip, ATTR_BOLD); 2062 cp++; 2063 break; 2064 2065 case '2': 2066 switch (cp[1]) 2067 { 2068 case '2': 2069 clr_attr (ip, ATTR_BOLD); 2070 cp += 2; 2071 break; 2072 2073 case '4': 2074 clr_attr (ip, ATTR_UL); 2075 cp += 2; 2076 break; 2077 2078 case '5': 2079 clr_attr (ip, ATTR_BLINK); 2080 cp += 2; 2081 break; 2082 2083 case '7': 2084 clr_attr (ip, ATTR_INV); 2085 cp += 2; 2086 break; 2087 2088 default: 2089 cp++; 2090 break; 2091 } 2092 break; 2093 2094 case '4': 2095 set_attr (ip, ATTR_UL); 2096 cp++; 2097 break; 2098 2099 case '5': 2100 set_attr (ip, ATTR_BLINK); 2101 cp++; 2102 break; 2103 2104 case '7': 2105 set_attr (ip, ATTR_INV); 2106 cp++; 2107 break; 2108 2109 default: 2110 cp++; 2111 break; 2112 } 2113 } 2114 2115 } 2116 ip->escape = 0; 2117 return; 2118 2119 2120 case 'u': 2121 /* DECRQTSR */ 2122 ite_sendstr ("\033P\033\\"); 2123 ip->escape = 0; 2124 return; 2125 2126 2127 2128 default: 2129 ip->escape = 0; 2130 return; 2131 } 2132 break; 2133 2134 2135 2136 case '?': /* CSI ? */ 2137 switch (c) 2138 { 2139 case '0': case '1': case '2': case '3': case '4': 2140 case '5': case '6': case '7': case '8': case '9': 2141 case ';': case '\"': case '$': 2142 /* Don't fill the last character; it's needed. */ 2143 /* XXX yeah, where ?? */ 2144 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1) 2145 *ip->ap++ = c; 2146 return; 2147 2148 2149 case 'n': 2150 *ip->ap = 0; 2151 if (ip->ap == &ip->argbuf[2]) 2152 { 2153 if (! strncmp (ip->argbuf, "15", 2)) 2154 /* printer status: no printer */ 2155 ite_sendstr ("\033[13n"); 2156 2157 else if (! strncmp (ip->argbuf, "25", 2)) 2158 /* udk status */ 2159 ite_sendstr ("\033[20n"); 2160 2161 else if (! strncmp (ip->argbuf, "26", 2)) 2162 /* keyboard dialect: US */ 2163 ite_sendstr ("\033[27;1n"); 2164 } 2165 ip->escape = 0; 2166 return; 2167 2168 2169 case 'h': case 'l': 2170 n = ite_zargnum (ip); 2171 switch (n) 2172 { 2173 case 1: 2174 ip->cursor_appmode = (c == 'h'); 2175 break; 2176 2177 case 3: 2178 /* 132/80 columns (132 == 'h') */ 2179 break; 2180 2181 case 4: /* smooth scroll */ 2182 break; 2183 2184 case 5: 2185 /* light background (=='h') /dark background(=='l') */ 2186 break; 2187 2188 case 6: /* origin mode */ 2189 ip->inside_margins = (c == 'h'); 2190 ip->curx = 0; 2191 ip->cury = ip->inside_margins ? ip->top_margin : 0; 2192 SUBR_CURSOR(ip, MOVE_CURSOR); 2193 break; 2194 2195 case 7: /* auto wraparound */ 2196 ip->auto_wrap = (c == 'h'); 2197 break; 2198 2199 case 8: /* keyboard repeat */ 2200 ip->key_repeat = (c == 'h'); 2201 break; 2202 2203 case 20: /* newline mode */ 2204 ip->linefeed_newline = (c == 'h'); 2205 break; 2206 2207 case 25: /* cursor on/off */ 2208 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR); 2209 break; 2210 } 2211 ip->escape = 0; 2212 return; 2213 2214 default: 2215 ip->escape = 0; 2216 return; 2217 } 2218 break; 2219 2220 2221 default: 2222 ip->escape = 0; 2223 return; 2224 } 2225 } 2226 2227 switch (c) { 2228 2229 case VT: /* VT is treated like LF */ 2230 case FF: /* so is FF */ 2231 case LF: 2232 /* cr->crlf distinction is done here, on output, 2233 not on input! */ 2234 if (ip->linefeed_newline) 2235 ite_crlf (ip); 2236 else 2237 ite_lf (ip); 2238 break; 2239 2240 case CR: 2241 ite_cr (ip); 2242 break; 2243 2244 case BS: 2245 if (--ip->curx < 0) 2246 ip->curx = 0; 2247 else 2248 SUBR_CURSOR(ip, MOVE_CURSOR); 2249 break; 2250 2251 case HT: 2252 for (n = ip->curx + 1; n < ip->cols; n++) { 2253 if (ip->tabs[n]) { 2254 ip->curx = n; 2255 SUBR_CURSOR(ip, MOVE_CURSOR); 2256 break; 2257 } 2258 } 2259 break; 2260 2261 case BEL: 2262 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty) 2263 kbdbell(); 2264 break; 2265 2266 case SO: 2267 ip->GL = ip->G1; 2268 break; 2269 2270 case SI: 2271 ip->GL = ip->G0; 2272 break; 2273 2274 case ENQ: 2275 /* send answer-back message !! */ 2276 break; 2277 2278 case CAN: 2279 ip->escape = 0; /* cancel any escape sequence in progress */ 2280 break; 2281 2282 case SUB: 2283 ip->escape = 0; /* dito, but see below */ 2284 /* should also display a reverse question mark!! */ 2285 break; 2286 2287 case ESC: 2288 ip->escape = ESC; 2289 break; 2290 2291 2292 /* now it gets weird.. 8bit control sequences.. */ 2293 case IND: /* index: move cursor down, scroll */ 2294 ite_lf (ip); 2295 break; 2296 2297 case NEL: /* next line. next line, first pos. */ 2298 ite_crlf (ip); 2299 break; 2300 2301 case HTS: /* set horizontal tab */ 2302 if (ip->curx < ip->cols) 2303 ip->tabs[ip->curx] = 1; 2304 break; 2305 2306 case RI: /* reverse index */ 2307 ite_rlf (ip); 2308 break; 2309 2310 case SS2: /* go into G2 for one character */ 2311 /* not yet supported */ 2312 break; 2313 2314 case SS3: /* go into G3 for one character */ 2315 break; 2316 2317 case DCS: /* device control string introducer */ 2318 ip->escape = DCS; 2319 ip->ap = ip->argbuf; 2320 break; 2321 2322 case CSI: /* control sequence introducer */ 2323 ip->escape = CSI; 2324 ip->ap = ip->argbuf; 2325 break; 2326 2327 case ST: /* string terminator */ 2328 /* ignore, if not used as terminator */ 2329 break; 2330 2331 case OSC: /* introduces OS command. Ignore everything upto ST */ 2332 ip->escape = OSC; 2333 break; 2334 2335 case PM: /* privacy message, ignore everything upto ST */ 2336 ip->escape = PM; 2337 break; 2338 2339 case APC: /* application program command, ignore everything upto ST */ 2340 ip->escape = APC; 2341 break; 2342 2343 default: 2344 if (c < ' ' || c == DEL) 2345 break; 2346 if (ip->imode) 2347 ite_inchar(ip, 1); 2348 iteprecheckwrap(ip); 2349 #ifdef DO_WEIRD_ATTRIBUTES 2350 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) { 2351 attrset(ip, ATTR_INV); 2352 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV); 2353 } 2354 else 2355 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR); 2356 #else 2357 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute); 2358 #endif 2359 SUBR_CURSOR(ip, DRAW_CURSOR); 2360 itecheckwrap(ip); 2361 break; 2362 } 2363 } 2364 2365 static void 2366 iteprecheckwrap(ip) 2367 struct ite_softc *ip; 2368 { 2369 if (ip->auto_wrap && ip->curx == ip->cols) { 2370 ip->curx = 0; 2371 clr_attr(ip, ATTR_INV); 2372 if (++ip->cury >= ip->bottom_margin + 1) { 2373 ip->cury = ip->bottom_margin; 2374 SUBR_CURSOR(ip, MOVE_CURSOR); 2375 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 2376 ite_clrtoeol(ip); 2377 } else 2378 SUBR_CURSOR(ip, MOVE_CURSOR); 2379 } 2380 } 2381 2382 static void 2383 itecheckwrap(ip) 2384 struct ite_softc *ip; 2385 { 2386 if (ip->curx < ip->cols) { 2387 ip->curx++; 2388 SUBR_CURSOR(ip, MOVE_CURSOR); 2389 } 2390 } 2391