1 /* $NetBSD: ite.c,v 1.26 1998/07/04 22:18:21 jonathan 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 "opt_ddb.h" 51 52 #include <sys/param.h> 53 #include <sys/kernel.h> 54 #include <sys/conf.h> 55 #include <sys/device.h> 56 #include <sys/malloc.h> 57 #include <sys/fcntl.h> 58 #include <sys/ioctl.h> 59 #include <sys/tty.h> 60 #include <sys/termios.h> 61 #include <sys/systm.h> 62 #include <sys/proc.h> 63 #include <dev/cons.h> 64 65 #include <machine/cpu.h> 66 67 #include <atari/atari/device.h> 68 #include <atari/dev/event_var.h> 69 #include <atari/dev/kbdmap.h> 70 #include <atari/dev/kbdvar.h> 71 #include <atari/dev/iteioctl.h> 72 #include <atari/dev/itevar.h> 73 #include <atari/dev/grfioctl.h> 74 #include <atari/dev/grfabs_reg.h> 75 #include <atari/dev/grfvar.h> 76 #include <atari/dev/viewioctl.h> 77 #include <atari/dev/viewvar.h> 78 79 #define ITEUNIT(dev) (minor(dev)) 80 81 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip) 82 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip) 83 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m) 84 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg) 85 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w) 86 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir) 87 88 u_int ite_confunits; /* configured units */ 89 90 int start_repeat_timeo = 30; /* first repeat after x s/100 */ 91 int next_repeat_timeo = 10; /* next repeat after x s/100 */ 92 93 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */ 94 95 struct ite_softc con_itesoftc; 96 u_char cons_tabs[MAX_TABS]; 97 98 struct ite_softc *kbd_ite; 99 int kbd_init; 100 101 static __inline__ int atoi __P((const char *)); 102 static __inline__ int ite_argnum __P((struct ite_softc *)); 103 static __inline__ int ite_zargnum __P((struct ite_softc *)); 104 static __inline__ void ite_cr __P((struct ite_softc *)); 105 static __inline__ void ite_crlf __P((struct ite_softc *)); 106 static __inline__ void ite_clrline __P((struct ite_softc *)); 107 static __inline__ void ite_clrscreen __P((struct ite_softc *)); 108 static __inline__ void ite_clrtobos __P((struct ite_softc *)); 109 static __inline__ void ite_clrtobol __P((struct ite_softc *)); 110 static __inline__ void ite_clrtoeol __P((struct ite_softc *)); 111 static __inline__ void ite_clrtoeos __P((struct ite_softc *)); 112 static __inline__ void ite_dnchar __P((struct ite_softc *, int)); 113 static __inline__ void ite_inchar __P((struct ite_softc *, int)); 114 static __inline__ void ite_inline __P((struct ite_softc *, int)); 115 static __inline__ void ite_lf __P((struct ite_softc *)); 116 static __inline__ void ite_dnline __P((struct ite_softc *, int)); 117 static __inline__ void ite_rlf __P((struct ite_softc *)); 118 static __inline__ void ite_sendstr __P((char *)); 119 static __inline__ void snap_cury __P((struct ite_softc *)); 120 121 static void alignment_display __P((struct ite_softc *)); 122 static char *index __P((const char *, int)); 123 static struct ite_softc *getitesp __P((dev_t)); 124 static void itecheckwrap __P((struct ite_softc *)); 125 static void iteprecheckwrap __P((struct ite_softc *)); 126 static void itestart __P((struct tty *)); 127 static void ite_switch __P((int)); 128 static void repeat_handler __P((void *)); 129 130 void iteputchar __P((int c, struct ite_softc *ip)); 131 void ite_putstr __P((const u_char * s, int len, dev_t dev)); 132 void iteattach __P((struct device *, struct device *, void *)); 133 int itematch __P((struct device *, struct cfdata *, void *)); 134 135 /* 136 * Console specific types. 137 */ 138 dev_type_cnprobe(itecnprobe); 139 dev_type_cninit(itecninit); 140 dev_type_cngetc(itecngetc); 141 dev_type_cnputc(itecnputc); 142 143 struct cfattach ite_ca = { 144 sizeof(struct ite_softc), itematch, iteattach 145 }; 146 147 extern struct cfdriver ite_cd; 148 149 int 150 itematch(pdp, cfp, auxp) 151 struct device *pdp; 152 struct cfdata *cfp; 153 void *auxp; 154 { 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 (cfp->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, cfp->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(": %dx%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 do { 320 c = kbdgetcn(); 321 c = ite_cnfilter(c, ITEFILT_CONSOLE); 322 } while (c == -1); 323 return (c); 324 } 325 326 void 327 itecnputc(dev, c) 328 dev_t dev; 329 int c; 330 { 331 static int paniced; 332 struct ite_softc *ip; 333 char ch; 334 335 ip = getitesp(dev); 336 ch = c; 337 338 if (panicstr && !paniced && 339 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 340 (void)ite_on(dev, 3); 341 paniced = 1; 342 } 343 SUBR_CURSOR(ip, START_CURSOROPT); 344 iteputchar(ch, ip); 345 SUBR_CURSOR(ip, END_CURSOROPT); 346 } 347 348 /* 349 * standard entry points to the device. 350 */ 351 352 /* 353 * iteinit() is the standard entry point for initialization of 354 * an ite device, it is also called from itecninit(). 355 * 356 */ 357 void 358 iteinit(dev) 359 dev_t dev; 360 { 361 struct ite_softc *ip; 362 363 ip = getitesp(dev); 364 if (ip->flags & ITE_INITED) 365 return; 366 if (atari_realconfig) { 367 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap) 368 free(ip->kbdmap, M_DEVBUF); 369 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK); 370 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap)); 371 } 372 else ip->kbdmap = &ascii_kbdmap; 373 374 ip->cursorx = 0; 375 ip->cursory = 0; 376 SUBR_INIT(ip); 377 SUBR_CURSOR(ip, DRAW_CURSOR); 378 if (ip->tabs == NULL) 379 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 380 ite_reset(ip); 381 ip->flags |= ITE_INITED; 382 } 383 384 int 385 iteopen(dev, mode, devtype, p) 386 dev_t dev; 387 int mode, devtype; 388 struct proc *p; 389 { 390 struct ite_softc *ip; 391 struct tty *tp; 392 int error, first, unit; 393 394 unit = ITEUNIT(dev); 395 first = 0; 396 397 if (((1 << unit) & ite_confunits) == 0) 398 return (ENXIO); 399 400 ip = getitesp(dev); 401 402 if (ip->tp == NULL) { 403 tp = ip->tp = ttymalloc(); 404 tty_attach(tp); 405 } 406 else tp = ip->tp; 407 408 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE) 409 && p->p_ucred->cr_uid != 0) 410 return (EBUSY); 411 if ((ip->flags & ITE_ACTIVE) == 0) { 412 error = ite_on(dev, 0); 413 if (error) 414 return (error); 415 first = 1; 416 } 417 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) { 418 tp->t_oproc = itestart; 419 tp->t_param = ite_param; 420 tp->t_dev = dev; 421 tp->t_iflag = TTYDEF_IFLAG; 422 tp->t_oflag = TTYDEF_OFLAG; 423 tp->t_cflag = TTYDEF_CFLAG; 424 tp->t_lflag = TTYDEF_LFLAG; 425 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 426 tp->t_state = TS_CARR_ON; 427 ttychars(tp); 428 ttsetwater(tp); 429 } 430 431 432 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0); 433 if (error) 434 goto bad; 435 436 error = (*linesw[tp->t_line].l_open) (dev, tp); 437 if (error) 438 goto bad; 439 440 tp->t_winsize.ws_row = ip->rows; 441 tp->t_winsize.ws_col = ip->cols; 442 if (!kbd_init) { 443 kbd_init = 1; 444 kbdenable(); 445 } 446 return (0); 447 448 449 bad: 450 if (first) 451 ite_off(dev, 0); 452 453 return (error); 454 } 455 456 int 457 iteclose(dev, flag, mode, p) 458 dev_t dev; 459 int flag, mode; 460 struct proc *p; 461 { 462 struct tty *tp; 463 464 tp = getitesp(dev)->tp; 465 466 KDASSERT(tp); 467 (*linesw[tp->t_line].l_close) (tp, flag); 468 ttyclose(tp); 469 ite_off(dev, 0); 470 return (0); 471 } 472 473 int 474 iteread(dev, uio, flag) 475 dev_t dev; 476 struct uio *uio; 477 int flag; 478 { 479 struct tty *tp; 480 481 tp = getitesp(dev)->tp; 482 483 KDASSERT(tp); 484 return ((*linesw[tp->t_line].l_read) (tp, uio, flag)); 485 } 486 487 int 488 itewrite(dev, uio, flag) 489 dev_t dev; 490 struct uio *uio; 491 int flag; 492 { 493 struct tty *tp; 494 495 tp = getitesp(dev)->tp; 496 497 KDASSERT(tp); 498 return ((*linesw[tp->t_line].l_write) (tp, uio, flag)); 499 } 500 501 void 502 itestop(tp, flag) 503 struct tty *tp; 504 int flag; 505 { 506 } 507 508 struct tty * 509 itetty(dev) 510 dev_t dev; 511 { 512 return(getitesp(dev)->tp); 513 } 514 515 int 516 iteioctl(dev, cmd, addr, flag, p) 517 dev_t dev; 518 u_long cmd; 519 int flag; 520 caddr_t addr; 521 struct proc *p; 522 { 523 struct iterepeat *irp; 524 struct ite_softc *ip; 525 struct tty *tp; 526 view_t *view; 527 struct itewinsize *is; 528 struct itebell *ib; 529 int error; 530 531 ip = getitesp(dev); 532 tp = ip->tp; 533 view = viewview(ip->grf->g_viewdev); 534 535 KDASSERT(tp); 536 537 error = (*linesw[tp->t_line].l_ioctl) (tp, cmd, addr, flag, p); 538 if(error >= 0) 539 return (error); 540 error = ttioctl(tp, cmd, addr, flag, p); 541 if (error >= 0) 542 return (error); 543 544 switch (cmd) { 545 case ITEIOCSKMAP: 546 if (addr == NULL) 547 return(EFAULT); 548 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap)); 549 return 0; 550 case ITEIOCSSKMAP: 551 if (addr == NULL) 552 return(EFAULT); 553 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap)); 554 return 0; 555 case ITEIOCGKMAP: 556 if (addr == NULL) 557 return(EFAULT); 558 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap)); 559 return 0; 560 case ITEIOCGREPT: 561 if (addr == NULL) 562 return(EFAULT); 563 irp = (struct iterepeat *)addr; 564 irp->start = start_repeat_timeo; 565 irp->next = next_repeat_timeo; 566 return 0; 567 case ITEIOCSREPT: 568 if (addr == NULL) 569 return(EFAULT); 570 irp = (struct iterepeat *)addr; 571 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT) 572 return(EINVAL); 573 start_repeat_timeo = irp->start; 574 next_repeat_timeo = irp->next; 575 return 0; 576 case ITEIOCGWINSZ: 577 if (addr == NULL) 578 return(EFAULT); 579 is = (struct itewinsize *)addr; 580 is->x = view->display.x; 581 is->y = view->display.y; 582 is->width = view->display.width; 583 is->height = view->display.height; 584 is->depth = view->bitmap->depth; 585 return 0; 586 case ITEIOCDSPWIN: 587 ip->grf->g_mode(ip->grf, GM_GRFON, NULL, 0, 0); 588 return 0; 589 case ITEIOCREMWIN: 590 ip->grf->g_mode(ip->grf, GM_GRFOFF, NULL, 0, 0); 591 return 0; 592 case ITEIOCSBELL: 593 if (addr == NULL) 594 return(EFAULT); 595 ib = (struct itebell *)addr; 596 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec); 597 return 0; 598 case ITEIOCGBELL: 599 if (addr == NULL) 600 return(EFAULT); 601 ib = (struct itebell *)addr; 602 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec); 603 return 0; 604 } 605 error = (ip->itexx_ioctl)(ip, cmd, addr, flag, p); 606 if(error >= 0) 607 return(error); 608 return (ENOTTY); 609 } 610 611 void 612 itestart(tp) 613 struct tty *tp; 614 { 615 struct clist *rbp; 616 struct ite_softc *ip; 617 u_char buf[ITEBURST]; 618 int s, len; 619 620 ip = getitesp(tp->t_dev); 621 622 KDASSERT(tp); 623 624 s = spltty(); { 625 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 626 goto out; 627 628 tp->t_state |= TS_BUSY; 629 rbp = &tp->t_outq; 630 631 len = q_to_b(rbp, buf, ITEBURST); 632 } splx(s); 633 634 /* Here is a really good place to implement pre/jumpscroll() */ 635 ite_putstr((char *)buf, len, tp->t_dev); 636 637 s = spltty(); { 638 tp->t_state &= ~TS_BUSY; 639 /* we have characters remaining. */ 640 if (rbp->c_cc) { 641 tp->t_state |= TS_TIMEOUT; 642 timeout(ttrstrt, tp, 1); 643 } 644 /* wakeup we are below */ 645 if (rbp->c_cc <= tp->t_lowat) { 646 if (tp->t_state & TS_ASLEEP) { 647 tp->t_state &= ~TS_ASLEEP; 648 wakeup((caddr_t) rbp); 649 } 650 selwakeup(&tp->t_wsel); 651 } 652 out: ; 653 } splx(s); 654 } 655 656 int 657 ite_on(dev, flag) 658 dev_t dev; 659 int flag; 660 { 661 struct ite_softc *ip; 662 int unit; 663 664 unit = ITEUNIT(dev); 665 if (((1 << unit) & ite_confunits) == 0) 666 return (ENXIO); 667 668 ip = getitesp(dev); 669 670 /* force ite active, overriding graphics mode */ 671 if (flag & 1) { 672 ip->flags |= ITE_ACTIVE; 673 ip->flags &= ~(ITE_INGRF | ITE_INITED); 674 } 675 /* leave graphics mode */ 676 if (flag & 2) { 677 ip->flags &= ~ITE_INGRF; 678 if ((ip->flags & ITE_ACTIVE) == 0) 679 return (0); 680 } 681 ip->flags |= ITE_ACTIVE; 682 if (ip->flags & ITE_INGRF) 683 return (0); 684 iteinit(dev); 685 return (0); 686 } 687 688 void 689 ite_off(dev, flag) 690 dev_t dev; 691 int flag; 692 { 693 struct ite_softc *ip; 694 695 ip = getitesp(dev); 696 if (flag & 2) 697 ip->flags |= ITE_INGRF; 698 if ((ip->flags & ITE_ACTIVE) == 0) 699 return; 700 if ((flag & 1) || 701 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 702 SUBR_DEINIT(ip); 703 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */ 704 ip->flags &= ~ITE_ACTIVE; 705 } 706 707 void 708 ite_switch(unit) 709 int unit; 710 { 711 struct ite_softc *ip; 712 713 if(!(ite_confunits & (1 << unit))) 714 return; /* Don't try unconfigured units */ 715 ip = getitesp(unit); 716 if(!(ip->flags & ITE_INITED)) 717 return; 718 719 /* 720 * If switching to an active ite, also switch the keyboard. 721 */ 722 if(ip->flags & ITE_ACTIVE) 723 kbd_ite = ip; 724 725 /* 726 * Now make it visible 727 */ 728 viewioctl(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 0, NOPROC); 729 730 /* 731 * Make sure the cursor's there too.... 732 */ 733 SUBR_CURSOR(ip, DRAW_CURSOR); 734 } 735 736 /* XXX called after changes made in underlying grf layer. */ 737 /* I want to nuke this */ 738 void 739 ite_reinit(dev) 740 dev_t dev; 741 { 742 struct ite_softc *ip; 743 744 ip = getitesp(dev); 745 ip->flags &= ~ITE_INITED; 746 iteinit(dev); 747 } 748 749 int 750 ite_param(tp, t) 751 struct tty *tp; 752 struct termios *t; 753 { 754 tp->t_ispeed = t->c_ispeed; 755 tp->t_ospeed = t->c_ospeed; 756 tp->t_cflag = t->c_cflag; 757 return (0); 758 } 759 760 void 761 ite_reset(ip) 762 struct ite_softc *ip; 763 { 764 int i; 765 766 ip->curx = 0; 767 ip->cury = 0; 768 ip->attribute = ATTR_NOR; 769 ip->save_curx = 0; 770 ip->save_cury = 0; 771 ip->save_attribute = ATTR_NOR; 772 ip->ap = ip->argbuf; 773 ip->emul_level = 0; 774 ip->eightbit_C1 = 0; 775 ip->top_margin = 0; 776 ip->bottom_margin = ip->rows - 1; 777 ip->inside_margins = 0; 778 ip->linefeed_newline = 0; 779 ip->auto_wrap = ite_default_wrap; 780 ip->cursor_appmode = 0; 781 ip->keypad_appmode = 0; 782 ip->imode = 0; 783 ip->key_repeat = 1; 784 bzero(ip->tabs, ip->cols); 785 for (i = 0; i < ip->cols; i++) 786 ip->tabs[i] = ((i & 7) == 0); 787 } 788 789 /* 790 * has to be global because of the shared filters. 791 */ 792 static u_char last_dead; 793 794 /* 795 * Used in console at startup only and for DDB. 796 */ 797 int 798 ite_cnfilter(c, caller) 799 u_int c; 800 enum caller caller; 801 { 802 struct key key; 803 struct kbdmap *kbdmap; 804 u_char code, up, mask; 805 int s; 806 807 up = KBD_RELEASED(c); 808 c = KBD_SCANCODE(c); 809 code = 0; 810 mask = 0; 811 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap; 812 813 s = spltty(); 814 815 /* 816 * No special action if key released 817 */ 818 if(up) { 819 splx(s); 820 return -1; 821 } 822 823 /* translate modifiers */ 824 if(kbd_modifier & KBD_MOD_SHIFT) { 825 if(kbd_modifier & KBD_MOD_ALT) 826 key = kbdmap->alt_shift_keys[c]; 827 else key = kbdmap->shift_keys[c]; 828 } 829 else if(kbd_modifier & KBD_MOD_ALT) 830 key = kbdmap->alt_keys[c]; 831 else { 832 key = kbdmap->keys[c]; 833 /* 834 * If CAPS and key is CAPable (no pun intended) 835 */ 836 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 837 key = kbdmap->shift_keys[c]; 838 } 839 code = key.code; 840 841 #ifdef notyet /* LWP: Didn't have time to look at this yet */ 842 /* 843 * If string return simple console filter 844 */ 845 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 846 splx(s); 847 return -1; 848 } 849 /* handle dead keys */ 850 if(key->mode & KBD_MODE_DEAD) { 851 /* if entered twice, send accent itself */ 852 if (last_dead == key->mode & KBD_MODE_ACCMASK) 853 last_dead = 0; 854 else { 855 last_dead = key->mode & KBD_MODE_ACCMASK; 856 splx(s); 857 return -1; 858 } 859 } 860 if(last_dead) { 861 /* can't apply dead flag to string-keys */ 862 if (code >= '@' && code < 0x7f) 863 code = 864 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 865 last_dead = 0; 866 } 867 #endif 868 if(kbd_modifier & KBD_MOD_CTRL) 869 code &= 0x1f; 870 871 /* 872 * Do console mapping. 873 */ 874 code = code == '\r' ? '\n' : code; 875 876 splx(s); 877 return (code); 878 } 879 880 /* And now the old stuff. */ 881 882 /* these are used to implement repeating keys.. */ 883 static u_int last_char; 884 static u_char tout_pending; 885 886 /*ARGSUSED*/ 887 static void 888 repeat_handler(arg) 889 void *arg; 890 { 891 tout_pending = 0; 892 if(last_char) 893 add_sicallback((si_farg)ite_filter, (void *)last_char, 894 (void *)ITEFILT_REPEATER); 895 } 896 897 void 898 ite_filter(c, caller) 899 u_int c; 900 enum caller caller; 901 { 902 struct tty *kbd_tty; 903 struct kbdmap *kbdmap; 904 u_char code, *str, up, mask; 905 struct key key; 906 int s, i; 907 908 if(kbd_ite == NULL) 909 return; 910 911 kbd_tty = kbd_ite->tp; 912 kbdmap = kbd_ite->kbdmap; 913 914 up = KBD_RELEASED(c); 915 c = KBD_SCANCODE(c); 916 code = 0; 917 mask = 0; 918 919 /* have to make sure we're at spltty in here */ 920 s = spltty(); 921 922 /* 923 * keyboard interrupts come at priority 2, while softint 924 * generated keyboard-repeat interrupts come at level 1. So, 925 * to not allow a key-up event to get thru before a repeat for 926 * the key-down, we remove any outstanding callout requests.. 927 */ 928 rem_sicallback((si_farg)ite_filter); 929 930 /* 931 * Stop repeating on up event 932 */ 933 if (up) { 934 if(tout_pending) { 935 untimeout(repeat_handler, 0); 936 tout_pending = 0; 937 last_char = 0; 938 } 939 splx(s); 940 return; 941 } 942 else if(tout_pending && last_char != c) { 943 /* 944 * Different character, stop also 945 */ 946 untimeout(repeat_handler, 0); 947 tout_pending = 0; 948 last_char = 0; 949 } 950 951 /* 952 * Handle ite-switching ALT + Fx 953 */ 954 if((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) { 955 ite_switch(c - 0x3b); 956 splx(s); 957 return; 958 } 959 /* 960 * Safety button, switch back to ascii keymap. 961 */ 962 if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) { 963 /* ALT + LSHIFT + F1 */ 964 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap)); 965 splx(s); 966 return; 967 #ifdef DDB 968 } 969 else if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) { 970 /* 971 * ALT + LSHIFT + F9 -> Debugger! 972 */ 973 Debugger(); 974 splx(s); 975 return; 976 #endif 977 } 978 979 /* 980 * The rest of the code is senseless when the device is not open. 981 */ 982 if(kbd_tty == NULL) { 983 splx(s); 984 return; 985 } 986 987 /* 988 * Translate modifiers 989 */ 990 if(kbd_modifier & KBD_MOD_SHIFT) { 991 if(kbd_modifier & KBD_MOD_ALT) 992 key = kbdmap->alt_shift_keys[c]; 993 else key = kbdmap->shift_keys[c]; 994 } 995 else if(kbd_modifier & KBD_MOD_ALT) 996 key = kbdmap->alt_keys[c]; 997 else { 998 key = kbdmap->keys[c]; 999 /* 1000 * If CAPS and key is CAPable (no pun intended) 1001 */ 1002 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 1003 key = kbdmap->shift_keys[c]; 1004 } 1005 code = key.code; 1006 1007 /* 1008 * Arrange to repeat the keystroke. By doing this at the level 1009 * of scan-codes, we can have function keys, and keys that 1010 * send strings, repeat too. This also entitles an additional 1011 * overhead, since we have to do the conversion each time, but 1012 * I guess that's ok. 1013 */ 1014 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 1015 tout_pending = 1; 1016 last_char = c; 1017 timeout(repeat_handler, 0, start_repeat_timeo * hz / 100); 1018 } 1019 else if(!tout_pending && caller==ITEFILT_REPEATER 1020 && kbd_ite->key_repeat) { 1021 tout_pending = 1; 1022 last_char = c; 1023 timeout(repeat_handler, 0, next_repeat_timeo * hz / 100); 1024 } 1025 /* handle dead keys */ 1026 if (key.mode & KBD_MODE_DEAD) { 1027 /* if entered twice, send accent itself */ 1028 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 1029 last_dead = 0; 1030 else { 1031 last_dead = key.mode & KBD_MODE_ACCMASK; 1032 splx(s); 1033 return; 1034 } 1035 } 1036 if (last_dead) { 1037 /* can't apply dead flag to string-keys */ 1038 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 1039 code < 0x7f) 1040 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 1041 last_dead = 0; 1042 } 1043 1044 /* 1045 * If not string, apply CTRL modifiers 1046 */ 1047 if(!(key.mode & KBD_MODE_STRING) 1048 && (!(key.mode & KBD_MODE_KPAD) 1049 || (kbd_ite && !kbd_ite->keypad_appmode))) { 1050 if(kbd_modifier & KBD_MOD_CTRL) 1051 code &= 0x1f; 1052 } 1053 else if((key.mode & KBD_MODE_KPAD) 1054 && (kbd_ite && kbd_ite->keypad_appmode)) { 1055 static char *in = "0123456789-+.\r()/*"; 1056 static char *out = "pqrstuvwxymlnMPQRS"; 1057 char *cp = index(in, code); 1058 1059 /* 1060 * keypad-appmode sends SS3 followed by the above 1061 * translated character 1062 */ 1063 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty); 1064 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty); 1065 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty); 1066 splx(s); 1067 return; 1068 } else { 1069 /* *NO* I don't like this.... */ 1070 static u_char app_cursor[] = 1071 { 1072 3, 27, 'O', 'A', 1073 3, 27, 'O', 'B', 1074 3, 27, 'O', 'C', 1075 3, 27, 'O', 'D'}; 1076 1077 str = kbdmap->strings + code; 1078 /* 1079 * if this is a cursor key, AND it has the default 1080 * keymap setting, AND we're in app-cursor mode, switch 1081 * to the above table. This is *nasty* ! 1082 */ 1083 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50)) 1084 && kbd_ite->cursor_appmode 1085 && !bcmp(str, "\x03\x1b[", 3) && 1086 index("ABCD", str[3])) 1087 str = app_cursor + 4 * (str[3] - 'A'); 1088 1089 /* 1090 * using a length-byte instead of 0-termination allows 1091 * to embed \0 into strings, although this is not used 1092 * in the default keymap 1093 */ 1094 for (i = *str++; i; i--) 1095 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty); 1096 splx(s); 1097 return; 1098 } 1099 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty); 1100 1101 splx(s); 1102 return; 1103 } 1104 1105 /* helper functions, makes the code below more readable */ 1106 static __inline__ void 1107 ite_sendstr(str) 1108 char *str; 1109 { 1110 struct tty *kbd_tty; 1111 1112 kbd_tty = kbd_ite->tp; 1113 KDASSERT(kbd_tty); 1114 while (*str) 1115 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty); 1116 } 1117 1118 static void 1119 alignment_display(ip) 1120 struct ite_softc *ip; 1121 { 1122 int i, j; 1123 1124 for (j = 0; j < ip->rows; j++) 1125 for (i = 0; i < ip->cols; i++) 1126 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR); 1127 attrclr(ip, 0, 0, ip->rows, ip->cols); 1128 SUBR_CURSOR(ip, DRAW_CURSOR); 1129 } 1130 1131 static __inline__ void 1132 snap_cury(ip) 1133 struct ite_softc *ip; 1134 { 1135 if (ip->inside_margins) 1136 { 1137 if (ip->cury < ip->top_margin) 1138 ip->cury = ip->top_margin; 1139 if (ip->cury > ip->bottom_margin) 1140 ip->cury = ip->bottom_margin; 1141 } 1142 } 1143 1144 static __inline__ void 1145 ite_dnchar(ip, n) 1146 struct ite_softc *ip; 1147 int n; 1148 { 1149 n = min(n, ip->cols - ip->curx); 1150 if (n < ip->cols - ip->curx) 1151 { 1152 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT); 1153 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx, 1154 1, ip->cols - ip->curx - n); 1155 attrclr(ip, ip->cury, ip->cols - n, 1, n); 1156 } 1157 while (n-- > 0) 1158 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR); 1159 SUBR_CURSOR(ip, DRAW_CURSOR); 1160 } 1161 1162 static __inline__ void 1163 ite_inchar(ip, n) 1164 struct ite_softc *ip; 1165 int n; 1166 { 1167 n = min(n, ip->cols - ip->curx); 1168 if (n < ip->cols - ip->curx) 1169 { 1170 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT); 1171 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n, 1172 1, ip->cols - ip->curx - n); 1173 attrclr(ip, ip->cury, ip->curx, 1, n); 1174 } 1175 while (n--) 1176 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1177 SUBR_CURSOR(ip, DRAW_CURSOR); 1178 } 1179 1180 static __inline__ void 1181 ite_clrtoeol(ip) 1182 struct ite_softc *ip; 1183 { 1184 int y = ip->cury, x = ip->curx; 1185 if (ip->cols - x > 0) 1186 { 1187 SUBR_CLEAR(ip, y, x, 1, ip->cols - x); 1188 attrclr(ip, y, x, 1, ip->cols - x); 1189 SUBR_CURSOR(ip, DRAW_CURSOR); 1190 } 1191 } 1192 1193 static __inline__ void 1194 ite_clrtobol(ip) 1195 struct ite_softc *ip; 1196 { 1197 int y = ip->cury, x = min(ip->curx + 1, ip->cols); 1198 SUBR_CLEAR(ip, y, 0, 1, x); 1199 attrclr(ip, y, 0, 1, x); 1200 SUBR_CURSOR(ip, DRAW_CURSOR); 1201 } 1202 1203 static __inline__ void 1204 ite_clrline(ip) 1205 struct ite_softc *ip; 1206 { 1207 int y = ip->cury; 1208 SUBR_CLEAR(ip, y, 0, 1, ip->cols); 1209 attrclr(ip, y, 0, 1, ip->cols); 1210 SUBR_CURSOR(ip, DRAW_CURSOR); 1211 } 1212 1213 1214 1215 static __inline__ void 1216 ite_clrtoeos(ip) 1217 struct ite_softc *ip; 1218 { 1219 ite_clrtoeol(ip); 1220 if (ip->cury < ip->rows - 1) 1221 { 1222 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols); 1223 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols); 1224 SUBR_CURSOR(ip, DRAW_CURSOR); 1225 } 1226 } 1227 1228 static __inline__ void 1229 ite_clrtobos(ip) 1230 struct ite_softc *ip; 1231 { 1232 ite_clrtobol(ip); 1233 if (ip->cury > 0) 1234 { 1235 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols); 1236 attrclr(ip, 0, 0, ip->cury, ip->cols); 1237 SUBR_CURSOR(ip, DRAW_CURSOR); 1238 } 1239 } 1240 1241 static __inline__ void 1242 ite_clrscreen(ip) 1243 struct ite_softc *ip; 1244 { 1245 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols); 1246 attrclr(ip, 0, 0, ip->rows, ip->cols); 1247 SUBR_CURSOR(ip, DRAW_CURSOR); 1248 } 1249 1250 1251 1252 static __inline__ void 1253 ite_dnline(ip, n) 1254 struct ite_softc *ip; 1255 int n; 1256 { 1257 /* interesting.. if the cursor is outside the scrolling 1258 region, this command is simply ignored.. */ 1259 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1260 return; 1261 1262 n = min(n, ip->bottom_margin + 1 - ip->cury); 1263 if (n <= ip->bottom_margin - ip->cury) 1264 { 1265 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP); 1266 attrmov(ip, ip->cury + n, 0, ip->cury, 0, 1267 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1268 } 1269 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1270 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1271 SUBR_CURSOR(ip, DRAW_CURSOR); 1272 } 1273 1274 static __inline__ void 1275 ite_inline(ip, n) 1276 struct ite_softc *ip; 1277 int n; 1278 { 1279 /* interesting.. if the cursor is outside the scrolling 1280 region, this command is simply ignored.. */ 1281 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1282 return; 1283 1284 n = min(n, ip->bottom_margin + 1 - ip->cury); 1285 if (n <= ip->bottom_margin - ip->cury) 1286 { 1287 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN); 1288 attrmov(ip, ip->cury, 0, ip->cury + n, 0, 1289 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1290 } 1291 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols); 1292 attrclr(ip, ip->cury, 0, n, ip->cols); 1293 SUBR_CURSOR(ip, DRAW_CURSOR); 1294 } 1295 1296 static __inline__ void 1297 ite_lf (ip) 1298 struct ite_softc *ip; 1299 { 1300 ++ip->cury; 1301 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows)) 1302 { 1303 ip->cury--; 1304 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1305 ite_clrline(ip); 1306 } 1307 SUBR_CURSOR(ip, MOVE_CURSOR); 1308 clr_attr(ip, ATTR_INV); 1309 } 1310 1311 static __inline__ void 1312 ite_crlf (ip) 1313 struct ite_softc *ip; 1314 { 1315 ip->curx = 0; 1316 ite_lf (ip); 1317 } 1318 1319 static __inline__ void 1320 ite_cr (ip) 1321 struct ite_softc *ip; 1322 { 1323 if (ip->curx) 1324 { 1325 ip->curx = 0; 1326 SUBR_CURSOR(ip, MOVE_CURSOR); 1327 } 1328 } 1329 1330 static __inline__ void 1331 ite_rlf (ip) 1332 struct ite_softc *ip; 1333 { 1334 ip->cury--; 1335 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1)) 1336 { 1337 ip->cury++; 1338 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN); 1339 ite_clrline(ip); 1340 } 1341 SUBR_CURSOR(ip, MOVE_CURSOR); 1342 clr_attr(ip, ATTR_INV); 1343 } 1344 1345 static __inline__ int 1346 atoi (cp) 1347 const char *cp; 1348 { 1349 int n; 1350 1351 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1352 n = n * 10 + *cp - '0'; 1353 1354 return n; 1355 } 1356 1357 static char * 1358 index (cp, ch) 1359 const char *cp; 1360 int ch; 1361 { 1362 while (*cp && *cp != ch) cp++; 1363 return *cp ? (char *) cp : 0; 1364 } 1365 1366 1367 static __inline__ int 1368 ite_argnum (ip) 1369 struct ite_softc *ip; 1370 { 1371 char ch; 1372 int n; 1373 1374 /* convert argument string into number */ 1375 if (ip->ap == ip->argbuf) 1376 return 1; 1377 ch = *ip->ap; 1378 *ip->ap = 0; 1379 n = atoi (ip->argbuf); 1380 *ip->ap = ch; 1381 1382 return n; 1383 } 1384 1385 static __inline__ int 1386 ite_zargnum (ip) 1387 struct ite_softc *ip; 1388 { 1389 char ch; 1390 int n; 1391 1392 /* convert argument string into number */ 1393 if (ip->ap == ip->argbuf) 1394 return 0; 1395 ch = *ip->ap; 1396 *ip->ap = 0; 1397 n = atoi (ip->argbuf); 1398 *ip->ap = ch; 1399 1400 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1401 } 1402 1403 void 1404 ite_putstr(s, len, dev) 1405 const u_char *s; 1406 int len; 1407 dev_t dev; 1408 { 1409 struct ite_softc *ip; 1410 int i; 1411 1412 ip = getitesp(dev); 1413 1414 /* XXX avoid problems */ 1415 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1416 return; 1417 1418 SUBR_CURSOR(ip, START_CURSOROPT); 1419 for (i = 0; i < len; i++) 1420 if (s[i]) 1421 iteputchar(s[i], ip); 1422 SUBR_CURSOR(ip, END_CURSOROPT); 1423 } 1424 1425 1426 void 1427 iteputchar(c, ip) 1428 register int c; 1429 struct ite_softc *ip; 1430 { 1431 struct tty *kbd_tty; 1432 int n, x, y; 1433 char *cp; 1434 1435 if (kbd_ite == NULL) 1436 kbd_tty = NULL; 1437 else 1438 kbd_tty = kbd_ite->tp; 1439 1440 if (ip->escape) 1441 { 1442 switch (ip->escape) 1443 { 1444 case ESC: 1445 switch (c) 1446 { 1447 /* first 7bit equivalents for the 8bit control characters */ 1448 1449 case 'D': 1450 c = IND; 1451 ip->escape = 0; 1452 break; /* and fall into the next switch below (same for all `break') */ 1453 1454 case 'E': 1455 c = NEL; 1456 ip->escape = 0; 1457 break; 1458 1459 case 'H': 1460 c = HTS; 1461 ip->escape = 0; 1462 break; 1463 1464 case 'M': 1465 c = RI; 1466 ip->escape = 0; 1467 break; 1468 1469 case 'N': 1470 c = SS2; 1471 ip->escape = 0; 1472 break; 1473 1474 case 'O': 1475 c = SS3; 1476 ip->escape = 0; 1477 break; 1478 1479 case 'P': 1480 c = DCS; 1481 ip->escape = 0; 1482 break; 1483 1484 case '[': 1485 c = CSI; 1486 ip->escape = 0; 1487 break; 1488 1489 case '\\': 1490 c = ST; 1491 ip->escape = 0; 1492 break; 1493 1494 case ']': 1495 c = OSC; 1496 ip->escape = 0; 1497 break; 1498 1499 case '^': 1500 c = PM; 1501 ip->escape = 0; 1502 break; 1503 1504 case '_': 1505 c = APC; 1506 ip->escape = 0; 1507 break; 1508 1509 1510 /* introduces 7/8bit control */ 1511 case ' ': 1512 /* can be followed by either F or G */ 1513 ip->escape = ' '; 1514 break; 1515 1516 1517 /* a lot of character set selections, not yet used... 1518 94-character sets: */ 1519 case '(': /* G0 */ 1520 case ')': /* G1 */ 1521 ip->escape = c; 1522 return; 1523 1524 case '*': /* G2 */ 1525 case '+': /* G3 */ 1526 case 'B': /* ASCII */ 1527 case 'A': /* ISO latin 1 */ 1528 case '<': /* user preferred suplemental */ 1529 case '0': /* dec special graphics */ 1530 1531 /* 96-character sets: */ 1532 case '-': /* G1 */ 1533 case '.': /* G2 */ 1534 case '/': /* G3 */ 1535 1536 /* national character sets: */ 1537 case '4': /* dutch */ 1538 case '5': 1539 case 'C': /* finnish */ 1540 case 'R': /* french */ 1541 case 'Q': /* french canadian */ 1542 case 'K': /* german */ 1543 case 'Y': /* italian */ 1544 case '6': /* norwegian/danish */ 1545 /* note: %5 and %6 are not supported (two chars..) */ 1546 1547 ip->escape = 0; 1548 /* just ignore for now */ 1549 return; 1550 1551 1552 /* locking shift modes (as you might guess, not yet supported..) */ 1553 case '`': 1554 ip->GR = ip->G1; 1555 ip->escape = 0; 1556 return; 1557 1558 case 'n': 1559 ip->GL = ip->G2; 1560 ip->escape = 0; 1561 return; 1562 1563 case '}': 1564 ip->GR = ip->G2; 1565 ip->escape = 0; 1566 return; 1567 1568 case 'o': 1569 ip->GL = ip->G3; 1570 ip->escape = 0; 1571 return; 1572 1573 case '|': 1574 ip->GR = ip->G3; 1575 ip->escape = 0; 1576 return; 1577 1578 1579 /* font width/height control */ 1580 case '#': 1581 ip->escape = '#'; 1582 return; 1583 1584 1585 /* hard terminal reset .. */ 1586 case 'c': 1587 ite_reset (ip); 1588 SUBR_CURSOR(ip, MOVE_CURSOR); 1589 ip->escape = 0; 1590 return; 1591 1592 1593 case '7': 1594 ip->save_curx = ip->curx; 1595 ip->save_cury = ip->cury; 1596 ip->save_attribute = ip->attribute; 1597 ip->escape = 0; 1598 return; 1599 1600 case '8': 1601 ip->curx = ip->save_curx; 1602 ip->cury = ip->save_cury; 1603 ip->attribute = ip->save_attribute; 1604 SUBR_CURSOR(ip, MOVE_CURSOR); 1605 ip->escape = 0; 1606 return; 1607 1608 case '=': 1609 ip->keypad_appmode = 1; 1610 ip->escape = 0; 1611 return; 1612 1613 case '>': 1614 ip->keypad_appmode = 0; 1615 ip->escape = 0; 1616 return; 1617 1618 case 'Z': /* request ID */ 1619 if (ip->emul_level == EMUL_VT100) 1620 ite_sendstr ("\033[?61;0c"); /* XXX not clean */ 1621 else 1622 ite_sendstr ("\033[?63;0c"); /* XXX not clean */ 1623 ip->escape = 0; 1624 return; 1625 1626 /* default catch all for not recognized ESC sequences */ 1627 default: 1628 ip->escape = 0; 1629 return; 1630 } 1631 break; 1632 1633 1634 case '(': 1635 case ')': 1636 ip->escape = 0; 1637 return; 1638 1639 1640 case ' ': 1641 switch (c) 1642 { 1643 case 'F': 1644 ip->eightbit_C1 = 0; 1645 ip->escape = 0; 1646 return; 1647 1648 case 'G': 1649 ip->eightbit_C1 = 1; 1650 ip->escape = 0; 1651 return; 1652 1653 default: 1654 /* not supported */ 1655 ip->escape = 0; 1656 return; 1657 } 1658 break; 1659 1660 1661 case '#': 1662 switch (c) 1663 { 1664 case '5': 1665 /* single height, single width */ 1666 ip->escape = 0; 1667 return; 1668 1669 case '6': 1670 /* double width, single height */ 1671 ip->escape = 0; 1672 return; 1673 1674 case '3': 1675 /* top half */ 1676 ip->escape = 0; 1677 return; 1678 1679 case '4': 1680 /* bottom half */ 1681 ip->escape = 0; 1682 return; 1683 1684 case '8': 1685 /* screen alignment pattern... */ 1686 alignment_display (ip); 1687 ip->escape = 0; 1688 return; 1689 1690 default: 1691 ip->escape = 0; 1692 return; 1693 } 1694 break; 1695 1696 1697 1698 case CSI: 1699 /* the biggie... */ 1700 switch (c) 1701 { 1702 case '0': case '1': case '2': case '3': case '4': 1703 case '5': case '6': case '7': case '8': case '9': 1704 case ';': case '\"': case '$': case '>': 1705 if (ip->ap < ip->argbuf + MAX_ARGSIZE) 1706 *ip->ap++ = c; 1707 return; 1708 1709 case BS: 1710 /* you wouldn't believe such perversion is possible? 1711 it is.. BS is allowed in between cursor sequences 1712 (at least), according to vttest.. */ 1713 if (--ip->curx < 0) 1714 ip->curx = 0; 1715 else 1716 SUBR_CURSOR(ip, MOVE_CURSOR); 1717 break; 1718 1719 case 'p': 1720 *ip->ap = 0; 1721 if (! strncmp (ip->argbuf, "61\"", 3)) 1722 ip->emul_level = EMUL_VT100; 1723 else if (! strncmp (ip->argbuf, "63;1\"", 5) 1724 || ! strncmp (ip->argbuf, "62;1\"", 5)) 1725 ip->emul_level = EMUL_VT300_7; 1726 else 1727 ip->emul_level = EMUL_VT300_8; 1728 ip->escape = 0; 1729 return; 1730 1731 1732 case '?': 1733 *ip->ap = 0; 1734 ip->escape = '?'; 1735 ip->ap = ip->argbuf; 1736 return; 1737 1738 1739 case 'c': 1740 *ip->ap = 0; 1741 if (ip->argbuf[0] == '>') 1742 { 1743 ite_sendstr ("\033[>24;0;0;0c"); 1744 } 1745 else switch (ite_zargnum(ip)) 1746 { 1747 case 0: 1748 /* primary DA request, send primary DA response */ 1749 if (ip->emul_level == EMUL_VT100) 1750 ite_sendstr ("\033[?1;1c"); 1751 else 1752 ite_sendstr ("\033[?63;1c"); 1753 break; 1754 } 1755 ip->escape = 0; 1756 return; 1757 1758 case 'n': 1759 switch (ite_zargnum(ip)) 1760 { 1761 case 5: 1762 ite_sendstr ("\033[0n"); /* no malfunction */ 1763 break; 1764 case 6: 1765 /* cursor position report */ 1766 sprintf (ip->argbuf, "\033[%d;%dR", 1767 ip->cury + 1, ip->curx + 1); 1768 ite_sendstr (ip->argbuf); 1769 break; 1770 } 1771 ip->escape = 0; 1772 return; 1773 1774 1775 case 'x': 1776 switch (ite_zargnum(ip)) 1777 { 1778 case 0: 1779 /* Fake some terminal parameters. */ 1780 ite_sendstr ("\033[2;1;1;112;112;1;0x"); 1781 break; 1782 case 1: 1783 ite_sendstr ("\033[3;1;1;112;112;1;0x"); 1784 break; 1785 } 1786 ip->escape = 0; 1787 return; 1788 1789 1790 case 'g': 1791 switch (ite_zargnum(ip)) 1792 { 1793 case 0: 1794 if (ip->curx < ip->cols) 1795 ip->tabs[ip->curx] = 0; 1796 break; 1797 case 3: 1798 for (n = 0; n < ip->cols; n++) 1799 ip->tabs[n] = 0; 1800 break; 1801 } 1802 ip->escape = 0; 1803 return; 1804 1805 1806 case 'h': case 'l': 1807 n = ite_zargnum (ip); 1808 switch (n) 1809 { 1810 case 4: 1811 ip->imode = (c == 'h'); /* insert/replace mode */ 1812 break; 1813 case 20: 1814 ip->linefeed_newline = (c == 'h'); 1815 break; 1816 } 1817 ip->escape = 0; 1818 return; 1819 1820 1821 case 'M': 1822 ite_dnline (ip, ite_argnum (ip)); 1823 ip->escape = 0; 1824 return; 1825 1826 1827 case 'L': 1828 ite_inline (ip, ite_argnum (ip)); 1829 ip->escape = 0; 1830 return; 1831 1832 1833 case 'P': 1834 ite_dnchar (ip, ite_argnum (ip)); 1835 ip->escape = 0; 1836 return; 1837 1838 1839 case '@': 1840 ite_inchar (ip, ite_argnum (ip)); 1841 ip->escape = 0; 1842 return; 1843 1844 1845 case 'G': 1846 /* this one was *not* in my vt320 manual but in 1847 a vt320 termcap entry.. who is right? 1848 It's supposed to set the horizontal cursor position. */ 1849 *ip->ap = 0; 1850 x = atoi (ip->argbuf); 1851 if (x) x--; 1852 ip->curx = min(x, ip->cols - 1); 1853 ip->escape = 0; 1854 SUBR_CURSOR(ip, MOVE_CURSOR); 1855 clr_attr (ip, ATTR_INV); 1856 return; 1857 1858 1859 case 'd': 1860 /* same thing here, this one's for setting the absolute 1861 vertical cursor position. Not documented... */ 1862 *ip->ap = 0; 1863 y = atoi (ip->argbuf); 1864 if (y) y--; 1865 if (ip->inside_margins) 1866 y += ip->top_margin; 1867 ip->cury = min(y, ip->rows - 1); 1868 ip->escape = 0; 1869 snap_cury(ip); 1870 SUBR_CURSOR(ip, MOVE_CURSOR); 1871 clr_attr (ip, ATTR_INV); 1872 return; 1873 1874 1875 case 'H': 1876 case 'f': 1877 *ip->ap = 0; 1878 y = atoi (ip->argbuf); 1879 x = 0; 1880 cp = index (ip->argbuf, ';'); 1881 if (cp) 1882 x = atoi (cp + 1); 1883 if (x) x--; 1884 if (y) y--; 1885 if (ip->inside_margins) 1886 y += ip->top_margin; 1887 ip->cury = min(y, ip->rows - 1); 1888 ip->curx = min(x, ip->cols - 1); 1889 ip->escape = 0; 1890 snap_cury(ip); 1891 SUBR_CURSOR(ip, MOVE_CURSOR); 1892 clr_attr (ip, ATTR_INV); 1893 return; 1894 1895 case 'A': 1896 n = ite_argnum (ip); 1897 n = ip->cury - (n ? n : 1); 1898 if (n < 0) n = 0; 1899 if (ip->inside_margins) 1900 n = max(ip->top_margin, n); 1901 else if (n == ip->top_margin - 1) 1902 /* allow scrolling outside region, but don't scroll out 1903 of active region without explicit CUP */ 1904 n = ip->top_margin; 1905 ip->cury = n; 1906 ip->escape = 0; 1907 SUBR_CURSOR(ip, MOVE_CURSOR); 1908 clr_attr (ip, ATTR_INV); 1909 return; 1910 1911 case 'B': 1912 n = ite_argnum (ip); 1913 n = ip->cury + (n ? n : 1); 1914 n = min(ip->rows - 1, n); 1915 if (ip->inside_margins) 1916 n = min(ip->bottom_margin, n); 1917 else if (n == ip->bottom_margin + 1) 1918 /* allow scrolling outside region, but don't scroll out 1919 of active region without explicit CUP */ 1920 n = ip->bottom_margin; 1921 ip->cury = n; 1922 ip->escape = 0; 1923 SUBR_CURSOR(ip, MOVE_CURSOR); 1924 clr_attr (ip, ATTR_INV); 1925 return; 1926 1927 case 'C': 1928 n = ite_argnum (ip); 1929 n = n ? n : 1; 1930 ip->curx = min(ip->curx + n, ip->cols - 1); 1931 ip->escape = 0; 1932 SUBR_CURSOR(ip, MOVE_CURSOR); 1933 clr_attr (ip, ATTR_INV); 1934 return; 1935 1936 case 'D': 1937 n = ite_argnum (ip); 1938 n = n ? n : 1; 1939 n = ip->curx - n; 1940 ip->curx = n >= 0 ? n : 0; 1941 ip->escape = 0; 1942 SUBR_CURSOR(ip, MOVE_CURSOR); 1943 clr_attr (ip, ATTR_INV); 1944 return; 1945 1946 1947 1948 1949 case 'J': 1950 *ip->ap = 0; 1951 n = ite_zargnum (ip); 1952 if (n == 0) 1953 ite_clrtoeos(ip); 1954 else if (n == 1) 1955 ite_clrtobos(ip); 1956 else if (n == 2) 1957 ite_clrscreen(ip); 1958 ip->escape = 0; 1959 return; 1960 1961 1962 case 'K': 1963 n = ite_zargnum (ip); 1964 if (n == 0) 1965 ite_clrtoeol(ip); 1966 else if (n == 1) 1967 ite_clrtobol(ip); 1968 else if (n == 2) 1969 ite_clrline(ip); 1970 ip->escape = 0; 1971 return; 1972 1973 1974 case 'X': 1975 n = ite_argnum(ip) - 1; 1976 n = min(n, ip->cols - 1 - ip->curx); 1977 for (; n >= 0; n--) 1978 { 1979 attrclr(ip, ip->cury, ip->curx + n, 1, 1); 1980 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1981 } 1982 ip->escape = 0; 1983 return; 1984 1985 1986 case '}': case '`': 1987 /* status line control */ 1988 ip->escape = 0; 1989 return; 1990 1991 1992 case 'r': 1993 *ip->ap = 0; 1994 x = atoi (ip->argbuf); 1995 x = x ? x : 1; 1996 y = ip->rows; 1997 cp = index (ip->argbuf, ';'); 1998 if (cp) 1999 { 2000 y = atoi (cp + 1); 2001 y = y ? y : ip->rows; 2002 } 2003 if (y - x < 2) 2004 { 2005 /* if illegal scrolling region, reset to defaults */ 2006 x = 1; 2007 y = ip->rows; 2008 } 2009 x--; 2010 y--; 2011 ip->top_margin = min(x, ip->rows - 1); 2012 ip->bottom_margin = min(y, ip->rows - 1); 2013 if (ip->inside_margins) 2014 { 2015 ip->cury = ip->top_margin; 2016 ip->curx = 0; 2017 SUBR_CURSOR(ip, MOVE_CURSOR); 2018 } 2019 ip->escape = 0; 2020 return; 2021 2022 2023 case 'm': 2024 /* big attribute setter/resetter */ 2025 { 2026 char *cp; 2027 *ip->ap = 0; 2028 /* kludge to make CSIm work (== CSI0m) */ 2029 if (ip->ap == ip->argbuf) 2030 ip->ap++; 2031 for (cp = ip->argbuf; cp < ip->ap; ) 2032 { 2033 switch (*cp) 2034 { 2035 case 0: 2036 case '0': 2037 clr_attr (ip, ATTR_ALL); 2038 cp++; 2039 break; 2040 2041 case '1': 2042 set_attr (ip, ATTR_BOLD); 2043 cp++; 2044 break; 2045 2046 case '2': 2047 switch (cp[1]) 2048 { 2049 case '2': 2050 clr_attr (ip, ATTR_BOLD); 2051 cp += 2; 2052 break; 2053 2054 case '4': 2055 clr_attr (ip, ATTR_UL); 2056 cp += 2; 2057 break; 2058 2059 case '5': 2060 clr_attr (ip, ATTR_BLINK); 2061 cp += 2; 2062 break; 2063 2064 case '7': 2065 clr_attr (ip, ATTR_INV); 2066 cp += 2; 2067 break; 2068 2069 default: 2070 cp++; 2071 break; 2072 } 2073 break; 2074 2075 case '4': 2076 set_attr (ip, ATTR_UL); 2077 cp++; 2078 break; 2079 2080 case '5': 2081 set_attr (ip, ATTR_BLINK); 2082 cp++; 2083 break; 2084 2085 case '7': 2086 set_attr (ip, ATTR_INV); 2087 cp++; 2088 break; 2089 2090 default: 2091 cp++; 2092 break; 2093 } 2094 } 2095 2096 } 2097 ip->escape = 0; 2098 return; 2099 2100 2101 case 'u': 2102 /* DECRQTSR */ 2103 ite_sendstr ("\033P\033\\"); 2104 ip->escape = 0; 2105 return; 2106 2107 2108 2109 default: 2110 ip->escape = 0; 2111 return; 2112 } 2113 break; 2114 2115 2116 2117 case '?': /* CSI ? */ 2118 switch (c) 2119 { 2120 case '0': case '1': case '2': case '3': case '4': 2121 case '5': case '6': case '7': case '8': case '9': 2122 case ';': case '\"': case '$': 2123 /* Don't fill the last character; it's needed. */ 2124 /* XXX yeah, where ?? */ 2125 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1) 2126 *ip->ap++ = c; 2127 return; 2128 2129 2130 case 'n': 2131 *ip->ap = 0; 2132 if (ip->ap == &ip->argbuf[2]) 2133 { 2134 if (! strncmp (ip->argbuf, "15", 2)) 2135 /* printer status: no printer */ 2136 ite_sendstr ("\033[13n"); 2137 2138 else if (! strncmp (ip->argbuf, "25", 2)) 2139 /* udk status */ 2140 ite_sendstr ("\033[20n"); 2141 2142 else if (! strncmp (ip->argbuf, "26", 2)) 2143 /* keyboard dialect: US */ 2144 ite_sendstr ("\033[27;1n"); 2145 } 2146 ip->escape = 0; 2147 return; 2148 2149 2150 case 'h': case 'l': 2151 n = ite_zargnum (ip); 2152 switch (n) 2153 { 2154 case 1: 2155 ip->cursor_appmode = (c == 'h'); 2156 break; 2157 2158 case 3: 2159 /* 132/80 columns (132 == 'h') */ 2160 break; 2161 2162 case 4: /* smooth scroll */ 2163 break; 2164 2165 case 5: 2166 /* light background (=='h') /dark background(=='l') */ 2167 break; 2168 2169 case 6: /* origin mode */ 2170 ip->inside_margins = (c == 'h'); 2171 ip->curx = 0; 2172 ip->cury = ip->inside_margins ? ip->top_margin : 0; 2173 SUBR_CURSOR(ip, MOVE_CURSOR); 2174 break; 2175 2176 case 7: /* auto wraparound */ 2177 ip->auto_wrap = (c == 'h'); 2178 break; 2179 2180 case 8: /* keyboard repeat */ 2181 ip->key_repeat = (c == 'h'); 2182 break; 2183 2184 case 20: /* newline mode */ 2185 ip->linefeed_newline = (c == 'h'); 2186 break; 2187 2188 case 25: /* cursor on/off */ 2189 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR); 2190 break; 2191 } 2192 ip->escape = 0; 2193 return; 2194 2195 default: 2196 ip->escape = 0; 2197 return; 2198 } 2199 break; 2200 2201 2202 default: 2203 ip->escape = 0; 2204 return; 2205 } 2206 } 2207 2208 switch (c) { 2209 2210 case VT: /* VT is treated like LF */ 2211 case FF: /* so is FF */ 2212 case LF: 2213 /* cr->crlf distinction is done here, on output, 2214 not on input! */ 2215 if (ip->linefeed_newline) 2216 ite_crlf (ip); 2217 else 2218 ite_lf (ip); 2219 break; 2220 2221 case CR: 2222 ite_cr (ip); 2223 break; 2224 2225 case BS: 2226 if (--ip->curx < 0) 2227 ip->curx = 0; 2228 else 2229 SUBR_CURSOR(ip, MOVE_CURSOR); 2230 break; 2231 2232 case HT: 2233 for (n = ip->curx + 1; n < ip->cols; n++) { 2234 if (ip->tabs[n]) { 2235 ip->curx = n; 2236 SUBR_CURSOR(ip, MOVE_CURSOR); 2237 break; 2238 } 2239 } 2240 break; 2241 2242 case BEL: 2243 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty) 2244 kbdbell(); 2245 break; 2246 2247 case SO: 2248 ip->GL = ip->G1; 2249 break; 2250 2251 case SI: 2252 ip->GL = ip->G0; 2253 break; 2254 2255 case ENQ: 2256 /* send answer-back message !! */ 2257 break; 2258 2259 case CAN: 2260 ip->escape = 0; /* cancel any escape sequence in progress */ 2261 break; 2262 2263 case SUB: 2264 ip->escape = 0; /* dito, but see below */ 2265 /* should also display a reverse question mark!! */ 2266 break; 2267 2268 case ESC: 2269 ip->escape = ESC; 2270 break; 2271 2272 2273 /* now it gets weird.. 8bit control sequences.. */ 2274 case IND: /* index: move cursor down, scroll */ 2275 ite_lf (ip); 2276 break; 2277 2278 case NEL: /* next line. next line, first pos. */ 2279 ite_crlf (ip); 2280 break; 2281 2282 case HTS: /* set horizontal tab */ 2283 if (ip->curx < ip->cols) 2284 ip->tabs[ip->curx] = 1; 2285 break; 2286 2287 case RI: /* reverse index */ 2288 ite_rlf (ip); 2289 break; 2290 2291 case SS2: /* go into G2 for one character */ 2292 /* not yet supported */ 2293 break; 2294 2295 case SS3: /* go into G3 for one character */ 2296 break; 2297 2298 case DCS: /* device control string introducer */ 2299 ip->escape = DCS; 2300 ip->ap = ip->argbuf; 2301 break; 2302 2303 case CSI: /* control sequence introducer */ 2304 ip->escape = CSI; 2305 ip->ap = ip->argbuf; 2306 break; 2307 2308 case ST: /* string terminator */ 2309 /* ignore, if not used as terminator */ 2310 break; 2311 2312 case OSC: /* introduces OS command. Ignore everything upto ST */ 2313 ip->escape = OSC; 2314 break; 2315 2316 case PM: /* privacy message, ignore everything upto ST */ 2317 ip->escape = PM; 2318 break; 2319 2320 case APC: /* application program command, ignore everything upto ST */ 2321 ip->escape = APC; 2322 break; 2323 2324 default: 2325 if (c < ' ' || c == DEL) 2326 break; 2327 if (ip->imode) 2328 ite_inchar(ip, 1); 2329 iteprecheckwrap(ip); 2330 #ifdef DO_WEIRD_ATTRIBUTES 2331 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) { 2332 attrset(ip, ATTR_INV); 2333 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV); 2334 } 2335 else 2336 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR); 2337 #else 2338 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute); 2339 #endif 2340 SUBR_CURSOR(ip, DRAW_CURSOR); 2341 itecheckwrap(ip); 2342 break; 2343 } 2344 } 2345 2346 static void 2347 iteprecheckwrap(ip) 2348 struct ite_softc *ip; 2349 { 2350 if (ip->auto_wrap && ip->curx == ip->cols) { 2351 ip->curx = 0; 2352 clr_attr(ip, ATTR_INV); 2353 if (++ip->cury >= ip->bottom_margin + 1) { 2354 ip->cury = ip->bottom_margin; 2355 SUBR_CURSOR(ip, MOVE_CURSOR); 2356 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 2357 ite_clrtoeol(ip); 2358 } else 2359 SUBR_CURSOR(ip, MOVE_CURSOR); 2360 } 2361 } 2362 2363 static void 2364 itecheckwrap(ip) 2365 struct ite_softc *ip; 2366 { 2367 if (ip->curx < ip->cols) { 2368 ip->curx++; 2369 SUBR_CURSOR(ip, MOVE_CURSOR); 2370 } 2371 } 2372