1 /* $NetBSD: ite.c,v 1.31 2000/11/02 00:32:52 eeh 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/callout.h> 63 #include <sys/proc.h> 64 #include <dev/cons.h> 65 66 #include <machine/cpu.h> 67 68 #include <atari/atari/device.h> 69 #include <atari/dev/event_var.h> 70 #include <atari/dev/kbdmap.h> 71 #include <atari/dev/kbdvar.h> 72 #include <atari/dev/iteioctl.h> 73 #include <atari/dev/itevar.h> 74 #include <atari/dev/grfioctl.h> 75 #include <atari/dev/grfabs_reg.h> 76 #include <atari/dev/grfvar.h> 77 #include <atari/dev/viewioctl.h> 78 #include <atari/dev/viewvar.h> 79 80 #define ITEUNIT(dev) (minor(dev)) 81 82 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip) 83 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip) 84 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m) 85 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg) 86 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w) 87 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir) 88 89 u_int ite_confunits; /* configured units */ 90 91 int start_repeat_timeo = 30; /* first repeat after x s/100 */ 92 int next_repeat_timeo = 10; /* next repeat after x s/100 */ 93 94 /* 95 * Patchable 96 */ 97 int ite_default_x = 0; /* def leftedge offset */ 98 int ite_default_y = 0; /* def topedge offset */ 99 int ite_default_width = 640; /* def width */ 100 int ite_default_depth = 1; /* def depth */ 101 int ite_default_height = 400; /* def height */ 102 int ite_default_wrap = 1; /* if you want vtxxx-nam -> binpatch */ 103 104 struct ite_softc con_itesoftc; 105 u_char cons_tabs[MAX_TABS]; 106 107 struct ite_softc *kbd_ite; 108 int kbd_init; 109 110 static __inline__ int atoi __P((const char *)); 111 static __inline__ int ite_argnum __P((struct ite_softc *)); 112 static __inline__ int ite_zargnum __P((struct ite_softc *)); 113 static __inline__ void ite_cr __P((struct ite_softc *)); 114 static __inline__ void ite_crlf __P((struct ite_softc *)); 115 static __inline__ void ite_clrline __P((struct ite_softc *)); 116 static __inline__ void ite_clrscreen __P((struct ite_softc *)); 117 static __inline__ void ite_clrtobos __P((struct ite_softc *)); 118 static __inline__ void ite_clrtobol __P((struct ite_softc *)); 119 static __inline__ void ite_clrtoeol __P((struct ite_softc *)); 120 static __inline__ void ite_clrtoeos __P((struct ite_softc *)); 121 static __inline__ void ite_dnchar __P((struct ite_softc *, int)); 122 static __inline__ void ite_inchar __P((struct ite_softc *, int)); 123 static __inline__ void ite_inline __P((struct ite_softc *, int)); 124 static __inline__ void ite_lf __P((struct ite_softc *)); 125 static __inline__ void ite_dnline __P((struct ite_softc *, int)); 126 static __inline__ void ite_rlf __P((struct ite_softc *)); 127 static __inline__ void ite_sendstr __P((char *)); 128 static __inline__ void snap_cury __P((struct ite_softc *)); 129 130 static void alignment_display __P((struct ite_softc *)); 131 static char *index __P((const char *, int)); 132 static struct ite_softc *getitesp __P((dev_t)); 133 static void itecheckwrap __P((struct ite_softc *)); 134 static void iteprecheckwrap __P((struct ite_softc *)); 135 static void itestart __P((struct tty *)); 136 static void ite_switch __P((int)); 137 static void repeat_handler __P((void *)); 138 139 void iteputchar __P((int c, struct ite_softc *ip)); 140 void ite_putstr __P((const u_char * s, int len, dev_t dev)); 141 void iteattach __P((struct device *, struct device *, void *)); 142 int itematch __P((struct device *, struct cfdata *, void *)); 143 144 /* 145 * Console specific types. 146 */ 147 dev_type_cnprobe(itecnprobe); 148 dev_type_cninit(itecninit); 149 dev_type_cngetc(itecngetc); 150 dev_type_cnputc(itecnputc); 151 152 struct cfattach ite_ca = { 153 sizeof(struct ite_softc), itematch, iteattach 154 }; 155 156 extern struct cfdriver ite_cd; 157 158 int 159 itematch(pdp, cfp, auxp) 160 struct device *pdp; 161 struct cfdata *cfp; 162 void *auxp; 163 { 164 struct grf_softc *gp = auxp; 165 int maj; 166 167 /* 168 * all that our mask allows (more than enough no one 169 * has > 32 monitors for text consoles on one machine) 170 */ 171 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY) 172 return(0); 173 /* 174 * XXX 175 * normally this would be done in attach, however 176 * during early init we do not have a device pointer 177 * and thus no unit number. 178 */ 179 for(maj = 0; maj < nchrdev; maj++) 180 if (cdevsw[maj].d_open == iteopen) 181 break; 182 183 gp->g_itedev = makedev(maj, cfp->cf_unit); 184 return(1); 185 } 186 187 void 188 iteattach(pdp, dp, auxp) 189 struct device *pdp, *dp; 190 void *auxp; 191 { 192 struct grf_softc *gp; 193 struct ite_softc *ip; 194 int s; 195 196 gp = (struct grf_softc *)auxp; 197 198 /* 199 * mark unit as attached (XXX see itematch) 200 */ 201 ite_confunits |= 1 << ITEUNIT(gp->g_itedev); 202 203 if(dp) { 204 ip = (struct ite_softc *)dp; 205 206 s = spltty(); 207 if(con_itesoftc.grf != NULL 208 && con_itesoftc.grf->g_unit == gp->g_unit) { 209 /* 210 * console reinit copy params over. 211 * and console always gets keyboard 212 */ 213 bcopy(&con_itesoftc.grf, &ip->grf, 214 (char *)&ip[1] - (char *)&ip->grf); 215 con_itesoftc.grf = NULL; 216 kbd_ite = ip; 217 } 218 ip->grf = gp; 219 splx(s); 220 221 iteinit(gp->g_itedev); 222 printf(": %dx%d", ip->rows, ip->cols); 223 printf(" repeat at (%d/100)s next at (%d/100)s", 224 start_repeat_timeo, next_repeat_timeo); 225 226 if (kbd_ite == NULL) 227 kbd_ite = ip; 228 if (kbd_ite == ip) 229 printf(" has keyboard"); 230 printf("\n"); 231 } else { 232 if (con_itesoftc.grf != NULL && 233 con_itesoftc.grf->g_conpri > gp->g_conpri) 234 return; 235 con_itesoftc.grf = gp; 236 con_itesoftc.tabs = cons_tabs; 237 } 238 } 239 240 static struct ite_softc * 241 getitesp(dev) 242 dev_t dev; 243 { 244 if(atari_realconfig && (con_itesoftc.grf == NULL)) 245 return(ite_cd.cd_devs[ITEUNIT(dev)]); 246 247 if(con_itesoftc.grf == NULL) 248 panic("no ite_softc for console"); 249 return(&con_itesoftc); 250 } 251 252 /* 253 * cons.c entry points into ite device. 254 */ 255 256 /* 257 * Return a priority in consdev->cn_pri field highest wins. This function 258 * is called before any devices have been probed. 259 */ 260 void 261 itecnprobe(cd) 262 struct consdev *cd; 263 { 264 /* 265 * return priority of the best ite (already picked from attach) 266 * or CN_DEAD. 267 */ 268 if (con_itesoftc.grf == NULL) 269 cd->cn_pri = CN_DEAD; 270 else { 271 cd->cn_pri = con_itesoftc.grf->g_conpri; 272 cd->cn_dev = con_itesoftc.grf->g_itedev; 273 } 274 } 275 276 void 277 itecninit(cd) 278 struct consdev *cd; 279 { 280 struct ite_softc *ip; 281 282 ip = getitesp(cd->cn_dev); 283 ip->flags |= ITE_ISCONS; 284 iteinit(cd->cn_dev); 285 ip->flags |= ITE_ACTIVE | ITE_ISCONS; 286 } 287 288 /* 289 * ite_cnfinish() is called in ite_init() when the device is 290 * being probed in the normal fasion, thus we can finish setting 291 * up this ite now that the system is more functional. 292 */ 293 void 294 ite_cnfinish(ip) 295 struct ite_softc *ip; 296 { 297 static int done; 298 299 if (done) 300 return; 301 done = 1; 302 } 303 304 int 305 itecngetc(dev) 306 dev_t dev; 307 { 308 int c; 309 310 do { 311 c = kbdgetcn(); 312 c = ite_cnfilter(c, ITEFILT_CONSOLE); 313 } while (c == -1); 314 return (c); 315 } 316 317 void 318 itecnputc(dev, c) 319 dev_t dev; 320 int c; 321 { 322 static int paniced; 323 struct ite_softc *ip; 324 char ch; 325 326 ip = getitesp(dev); 327 ch = c; 328 329 if (panicstr && !paniced && 330 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 331 (void)ite_on(dev, 3); 332 paniced = 1; 333 } 334 SUBR_CURSOR(ip, START_CURSOROPT); 335 iteputchar(ch, ip); 336 SUBR_CURSOR(ip, END_CURSOROPT); 337 } 338 339 /* 340 * standard entry points to the device. 341 */ 342 343 /* 344 * iteinit() is the standard entry point for initialization of 345 * an ite device, it is also called from itecninit(). 346 * 347 */ 348 void 349 iteinit(dev) 350 dev_t dev; 351 { 352 struct ite_softc *ip; 353 354 ip = getitesp(dev); 355 if (ip->flags & ITE_INITED) 356 return; 357 if (atari_realconfig) { 358 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap) 359 free(ip->kbdmap, M_DEVBUF); 360 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK); 361 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap)); 362 } 363 else ip->kbdmap = &ascii_kbdmap; 364 365 ip->cursorx = 0; 366 ip->cursory = 0; 367 SUBR_INIT(ip); 368 SUBR_CURSOR(ip, DRAW_CURSOR); 369 if (ip->tabs == NULL) 370 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 371 ite_reset(ip); 372 ip->flags |= ITE_INITED; 373 } 374 375 int 376 iteopen(dev, mode, devtype, p) 377 dev_t dev; 378 int mode, devtype; 379 struct proc *p; 380 { 381 struct ite_softc *ip; 382 struct tty *tp; 383 int error, first, unit; 384 385 unit = ITEUNIT(dev); 386 first = 0; 387 388 if (((1 << unit) & ite_confunits) == 0) 389 return (ENXIO); 390 391 ip = getitesp(dev); 392 393 if (ip->tp == NULL) { 394 tp = ip->tp = ttymalloc(); 395 tty_attach(tp); 396 } 397 else tp = ip->tp; 398 399 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE) 400 && p->p_ucred->cr_uid != 0) 401 return (EBUSY); 402 if ((ip->flags & ITE_ACTIVE) == 0) { 403 error = ite_on(dev, 0); 404 if (error) 405 return (error); 406 first = 1; 407 } 408 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) { 409 tp->t_oproc = itestart; 410 tp->t_param = ite_param; 411 tp->t_dev = dev; 412 tp->t_iflag = TTYDEF_IFLAG; 413 tp->t_oflag = TTYDEF_OFLAG; 414 tp->t_cflag = TTYDEF_CFLAG; 415 tp->t_lflag = TTYDEF_LFLAG; 416 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 417 tp->t_state = TS_CARR_ON; 418 ttychars(tp); 419 ttsetwater(tp); 420 } 421 422 423 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0); 424 if (error) 425 goto bad; 426 427 error = (*tp->t_linesw->l_open) (dev, tp); 428 if (error) 429 goto bad; 430 431 tp->t_winsize.ws_row = ip->rows; 432 tp->t_winsize.ws_col = ip->cols; 433 if (!kbd_init) { 434 kbd_init = 1; 435 kbdenable(); 436 } 437 return (0); 438 439 440 bad: 441 if (first) 442 ite_off(dev, 0); 443 444 return (error); 445 } 446 447 int 448 iteclose(dev, flag, mode, p) 449 dev_t dev; 450 int flag, mode; 451 struct proc *p; 452 { 453 struct tty *tp; 454 455 tp = getitesp(dev)->tp; 456 457 KDASSERT(tp); 458 (*tp->t_linesw->l_close) (tp, flag); 459 ttyclose(tp); 460 ite_off(dev, 0); 461 return (0); 462 } 463 464 int 465 iteread(dev, uio, flag) 466 dev_t dev; 467 struct uio *uio; 468 int flag; 469 { 470 struct tty *tp; 471 472 tp = getitesp(dev)->tp; 473 474 KDASSERT(tp); 475 return ((*tp->t_linesw->l_read) (tp, uio, flag)); 476 } 477 478 int 479 itewrite(dev, uio, flag) 480 dev_t dev; 481 struct uio *uio; 482 int flag; 483 { 484 struct tty *tp; 485 486 tp = getitesp(dev)->tp; 487 488 KDASSERT(tp); 489 return ((*tp->t_linesw->l_write) (tp, uio, flag)); 490 } 491 492 void 493 itestop(tp, flag) 494 struct tty *tp; 495 int flag; 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 view_t *view; 518 struct itewinsize *is; 519 struct itebell *ib; 520 int error; 521 522 ip = getitesp(dev); 523 tp = ip->tp; 524 view = viewview(ip->grf->g_viewdev); 525 526 KDASSERT(tp); 527 528 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, p); 529 if(error >= 0) 530 return (error); 531 error = ttioctl(tp, cmd, addr, flag, p); 532 if (error >= 0) 533 return (error); 534 535 switch (cmd) { 536 case ITEIOCSKMAP: 537 if (addr == NULL) 538 return(EFAULT); 539 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap)); 540 return 0; 541 case ITEIOCSSKMAP: 542 if (addr == NULL) 543 return(EFAULT); 544 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap)); 545 return 0; 546 case ITEIOCGKMAP: 547 if (addr == NULL) 548 return(EFAULT); 549 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap)); 550 return 0; 551 case ITEIOCGREPT: 552 if (addr == NULL) 553 return(EFAULT); 554 irp = (struct iterepeat *)addr; 555 irp->start = start_repeat_timeo; 556 irp->next = next_repeat_timeo; 557 return 0; 558 case ITEIOCSREPT: 559 if (addr == NULL) 560 return(EFAULT); 561 irp = (struct iterepeat *)addr; 562 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT) 563 return(EINVAL); 564 start_repeat_timeo = irp->start; 565 next_repeat_timeo = irp->next; 566 return 0; 567 case ITEIOCGWINSZ: 568 if (addr == NULL) 569 return(EFAULT); 570 is = (struct itewinsize *)addr; 571 is->x = view->display.x; 572 is->y = view->display.y; 573 is->width = view->display.width; 574 is->height = view->display.height; 575 is->depth = view->bitmap->depth; 576 return 0; 577 case ITEIOCDSPWIN: 578 ip->grf->g_mode(ip->grf, GM_GRFON, NULL, 0, 0); 579 return 0; 580 case ITEIOCREMWIN: 581 ip->grf->g_mode(ip->grf, GM_GRFOFF, NULL, 0, 0); 582 return 0; 583 case ITEIOCSBELL: 584 if (addr == NULL) 585 return(EFAULT); 586 ib = (struct itebell *)addr; 587 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec); 588 return 0; 589 case ITEIOCGBELL: 590 if (addr == NULL) 591 return(EFAULT); 592 ib = (struct itebell *)addr; 593 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec); 594 return 0; 595 } 596 error = (ip->itexx_ioctl)(ip, cmd, addr, flag, p); 597 if(error >= 0) 598 return(error); 599 return (ENOTTY); 600 } 601 602 void 603 itestart(tp) 604 struct tty *tp; 605 { 606 struct clist *rbp; 607 struct ite_softc *ip; 608 u_char buf[ITEBURST]; 609 int s, len; 610 611 ip = getitesp(tp->t_dev); 612 613 KDASSERT(tp); 614 615 s = spltty(); { 616 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 617 goto out; 618 619 tp->t_state |= TS_BUSY; 620 rbp = &tp->t_outq; 621 622 len = q_to_b(rbp, buf, ITEBURST); 623 } splx(s); 624 625 /* Here is a really good place to implement pre/jumpscroll() */ 626 ite_putstr((char *)buf, len, tp->t_dev); 627 628 s = spltty(); { 629 tp->t_state &= ~TS_BUSY; 630 /* we have characters remaining. */ 631 if (rbp->c_cc) { 632 tp->t_state |= TS_TIMEOUT; 633 callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp); 634 } 635 /* wakeup we are below */ 636 if (rbp->c_cc <= tp->t_lowat) { 637 if (tp->t_state & TS_ASLEEP) { 638 tp->t_state &= ~TS_ASLEEP; 639 wakeup((caddr_t) rbp); 640 } 641 selwakeup(&tp->t_wsel); 642 } 643 out: ; 644 } splx(s); 645 } 646 647 int 648 ite_on(dev, flag) 649 dev_t dev; 650 int flag; 651 { 652 struct ite_softc *ip; 653 int unit; 654 655 unit = ITEUNIT(dev); 656 if (((1 << unit) & ite_confunits) == 0) 657 return (ENXIO); 658 659 ip = getitesp(dev); 660 661 /* force ite active, overriding graphics mode */ 662 if (flag & 1) { 663 ip->flags |= ITE_ACTIVE; 664 ip->flags &= ~(ITE_INGRF | ITE_INITED); 665 } 666 /* leave graphics mode */ 667 if (flag & 2) { 668 ip->flags &= ~ITE_INGRF; 669 if ((ip->flags & ITE_ACTIVE) == 0) 670 return (0); 671 } 672 ip->flags |= ITE_ACTIVE; 673 if (ip->flags & ITE_INGRF) 674 return (0); 675 iteinit(dev); 676 return (0); 677 } 678 679 void 680 ite_off(dev, flag) 681 dev_t dev; 682 int flag; 683 { 684 struct ite_softc *ip; 685 686 ip = getitesp(dev); 687 if (flag & 2) 688 ip->flags |= ITE_INGRF; 689 if ((ip->flags & ITE_ACTIVE) == 0) 690 return; 691 if ((flag & 1) || 692 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 693 SUBR_DEINIT(ip); 694 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */ 695 ip->flags &= ~ITE_ACTIVE; 696 } 697 698 static void 699 ite_switch(unit) 700 int unit; 701 { 702 struct ite_softc *ip; 703 704 if(!(ite_confunits & (1 << unit))) 705 return; /* Don't try unconfigured units */ 706 ip = getitesp(unit); 707 if(!(ip->flags & ITE_INITED)) 708 return; 709 710 /* 711 * If switching to an active ite, also switch the keyboard. 712 */ 713 if(ip->flags & ITE_ACTIVE) 714 kbd_ite = ip; 715 716 /* 717 * Now make it visible 718 */ 719 viewioctl(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 0, NOPROC); 720 721 /* 722 * Make sure the cursor's there too.... 723 */ 724 SUBR_CURSOR(ip, DRAW_CURSOR); 725 } 726 727 /* XXX called after changes made in underlying grf layer. */ 728 /* I want to nuke this */ 729 void 730 ite_reinit(dev) 731 dev_t dev; 732 { 733 struct ite_softc *ip; 734 735 ip = getitesp(dev); 736 ip->flags &= ~ITE_INITED; 737 iteinit(dev); 738 } 739 740 int 741 ite_param(tp, t) 742 struct tty *tp; 743 struct termios *t; 744 { 745 tp->t_ispeed = t->c_ispeed; 746 tp->t_ospeed = t->c_ospeed; 747 tp->t_cflag = t->c_cflag; 748 return (0); 749 } 750 751 void 752 ite_reset(ip) 753 struct ite_softc *ip; 754 { 755 int i; 756 757 ip->curx = 0; 758 ip->cury = 0; 759 ip->attribute = ATTR_NOR; 760 ip->save_curx = 0; 761 ip->save_cury = 0; 762 ip->save_attribute = ATTR_NOR; 763 ip->ap = ip->argbuf; 764 ip->emul_level = 0; 765 ip->eightbit_C1 = 0; 766 ip->top_margin = 0; 767 ip->bottom_margin = ip->rows - 1; 768 ip->inside_margins = 0; 769 ip->linefeed_newline = 0; 770 ip->auto_wrap = ite_default_wrap; 771 ip->cursor_appmode = 0; 772 ip->keypad_appmode = 0; 773 ip->imode = 0; 774 ip->key_repeat = 1; 775 bzero(ip->tabs, ip->cols); 776 for (i = 0; i < ip->cols; i++) 777 ip->tabs[i] = ((i & 7) == 0); 778 } 779 780 /* 781 * has to be global because of the shared filters. 782 */ 783 static u_char last_dead; 784 785 /* 786 * Used in console at startup only and for DDB. 787 */ 788 int 789 ite_cnfilter(c, caller) 790 u_int c; 791 enum caller caller; 792 { 793 struct key key; 794 struct kbdmap *kbdmap; 795 u_char code, up, mask; 796 int s; 797 798 up = KBD_RELEASED(c); 799 c = KBD_SCANCODE(c); 800 code = 0; 801 mask = 0; 802 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap; 803 804 s = spltty(); 805 806 /* 807 * No special action if key released 808 */ 809 if(up) { 810 splx(s); 811 return -1; 812 } 813 814 /* translate modifiers */ 815 if(kbd_modifier & KBD_MOD_SHIFT) { 816 if(kbd_modifier & KBD_MOD_ALT) 817 key = kbdmap->alt_shift_keys[c]; 818 else key = kbdmap->shift_keys[c]; 819 } 820 else if(kbd_modifier & KBD_MOD_ALT) 821 key = kbdmap->alt_keys[c]; 822 else { 823 key = kbdmap->keys[c]; 824 /* 825 * If CAPS and key is CAPable (no pun intended) 826 */ 827 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 828 key = kbdmap->shift_keys[c]; 829 } 830 code = key.code; 831 832 #ifdef notyet /* LWP: Didn't have time to look at this yet */ 833 /* 834 * If string return simple console filter 835 */ 836 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 837 splx(s); 838 return -1; 839 } 840 /* handle dead keys */ 841 if(key->mode & KBD_MODE_DEAD) { 842 /* if entered twice, send accent itself */ 843 if (last_dead == key->mode & KBD_MODE_ACCMASK) 844 last_dead = 0; 845 else { 846 last_dead = key->mode & KBD_MODE_ACCMASK; 847 splx(s); 848 return -1; 849 } 850 } 851 if(last_dead) { 852 /* can't apply dead flag to string-keys */ 853 if (code >= '@' && code < 0x7f) 854 code = 855 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 856 last_dead = 0; 857 } 858 #endif 859 if(kbd_modifier & KBD_MOD_CTRL) 860 code &= 0x1f; 861 862 /* 863 * Do console mapping. 864 */ 865 code = code == '\r' ? '\n' : code; 866 867 splx(s); 868 return (code); 869 } 870 871 /* And now the old stuff. */ 872 873 /* these are used to implement repeating keys.. */ 874 static u_int last_char; 875 static u_char tout_pending; 876 877 static struct callout repeat_ch = CALLOUT_INITIALIZER; 878 879 /*ARGSUSED*/ 880 static void 881 repeat_handler(arg) 882 void *arg; 883 { 884 tout_pending = 0; 885 if(last_char) 886 add_sicallback((si_farg)ite_filter, (void *)last_char, 887 (void *)ITEFILT_REPEATER); 888 } 889 890 void 891 ite_filter(c, caller) 892 u_int c; 893 enum caller caller; 894 { 895 struct tty *kbd_tty; 896 struct kbdmap *kbdmap; 897 u_char code, *str, up, mask; 898 struct key key; 899 int s, i; 900 901 if(kbd_ite == NULL) 902 return; 903 904 kbd_tty = kbd_ite->tp; 905 kbdmap = kbd_ite->kbdmap; 906 907 up = KBD_RELEASED(c); 908 c = KBD_SCANCODE(c); 909 code = 0; 910 mask = 0; 911 912 /* have to make sure we're at spltty in here */ 913 s = spltty(); 914 915 /* 916 * keyboard interrupts come at priority 2, while softint 917 * generated keyboard-repeat interrupts come at level 1. So, 918 * to not allow a key-up event to get thru before a repeat for 919 * the key-down, we remove any outstanding callout requests.. 920 */ 921 rem_sicallback((si_farg)ite_filter); 922 923 /* 924 * Stop repeating on up event 925 */ 926 if (up) { 927 if(tout_pending) { 928 callout_stop(&repeat_ch); 929 tout_pending = 0; 930 last_char = 0; 931 } 932 splx(s); 933 return; 934 } 935 else if(tout_pending && last_char != c) { 936 /* 937 * Different character, stop also 938 */ 939 callout_stop(&repeat_ch); 940 tout_pending = 0; 941 last_char = 0; 942 } 943 944 /* 945 * Handle ite-switching ALT + Fx 946 */ 947 if((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) { 948 ite_switch(c - 0x3b); 949 splx(s); 950 return; 951 } 952 /* 953 * Safety button, switch back to ascii keymap. 954 */ 955 if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) { 956 /* ALT + LSHIFT + F1 */ 957 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap)); 958 splx(s); 959 return; 960 #ifdef DDB 961 } 962 else if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) { 963 /* 964 * ALT + LSHIFT + F9 -> Debugger! 965 */ 966 Debugger(); 967 splx(s); 968 return; 969 #endif 970 } 971 972 /* 973 * The rest of the code is senseless when the device is not open. 974 */ 975 if(kbd_tty == NULL) { 976 splx(s); 977 return; 978 } 979 980 /* 981 * Translate modifiers 982 */ 983 if(kbd_modifier & KBD_MOD_SHIFT) { 984 if(kbd_modifier & KBD_MOD_ALT) 985 key = kbdmap->alt_shift_keys[c]; 986 else key = kbdmap->shift_keys[c]; 987 } 988 else if(kbd_modifier & KBD_MOD_ALT) 989 key = kbdmap->alt_keys[c]; 990 else { 991 key = kbdmap->keys[c]; 992 /* 993 * If CAPS and key is CAPable (no pun intended) 994 */ 995 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 996 key = kbdmap->shift_keys[c]; 997 } 998 code = key.code; 999 1000 /* 1001 * Arrange to repeat the keystroke. By doing this at the level 1002 * of scan-codes, we can have function keys, and keys that 1003 * send strings, repeat too. This also entitles an additional 1004 * overhead, since we have to do the conversion each time, but 1005 * I guess that's ok. 1006 */ 1007 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 1008 tout_pending = 1; 1009 last_char = c; 1010 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100, 1011 repeat_handler, NULL); 1012 } 1013 else if(!tout_pending && caller==ITEFILT_REPEATER 1014 && kbd_ite->key_repeat) { 1015 tout_pending = 1; 1016 last_char = c; 1017 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100, 1018 repeat_handler, NULL); 1019 } 1020 /* handle dead keys */ 1021 if (key.mode & KBD_MODE_DEAD) { 1022 /* if entered twice, send accent itself */ 1023 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 1024 last_dead = 0; 1025 else { 1026 last_dead = key.mode & KBD_MODE_ACCMASK; 1027 splx(s); 1028 return; 1029 } 1030 } 1031 if (last_dead) { 1032 /* can't apply dead flag to string-keys */ 1033 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 1034 code < 0x7f) 1035 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 1036 last_dead = 0; 1037 } 1038 1039 /* 1040 * If not string, apply CTRL modifiers 1041 */ 1042 if(!(key.mode & KBD_MODE_STRING) 1043 && (!(key.mode & KBD_MODE_KPAD) 1044 || (kbd_ite && !kbd_ite->keypad_appmode))) { 1045 if(kbd_modifier & KBD_MOD_CTRL) 1046 code &= 0x1f; 1047 } 1048 else if((key.mode & KBD_MODE_KPAD) 1049 && (kbd_ite && kbd_ite->keypad_appmode)) { 1050 static char *in = "0123456789-+.\r()/*"; 1051 static char *out = "pqrstuvwxymlnMPQRS"; 1052 char *cp = index(in, code); 1053 1054 /* 1055 * keypad-appmode sends SS3 followed by the above 1056 * translated character 1057 */ 1058 (*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty); 1059 (*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty); 1060 (*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty); 1061 splx(s); 1062 return; 1063 } else { 1064 /* *NO* I don't like this.... */ 1065 static u_char app_cursor[] = 1066 { 1067 3, 27, 'O', 'A', 1068 3, 27, 'O', 'B', 1069 3, 27, 'O', 'C', 1070 3, 27, 'O', 'D'}; 1071 1072 str = kbdmap->strings + code; 1073 /* 1074 * if this is a cursor key, AND it has the default 1075 * keymap setting, AND we're in app-cursor mode, switch 1076 * to the above table. This is *nasty* ! 1077 */ 1078 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50)) 1079 && kbd_ite->cursor_appmode 1080 && !bcmp(str, "\x03\x1b[", 3) && 1081 index("ABCD", str[3])) 1082 str = app_cursor + 4 * (str[3] - 'A'); 1083 1084 /* 1085 * using a length-byte instead of 0-termination allows 1086 * to embed \0 into strings, although this is not used 1087 * in the default keymap 1088 */ 1089 for (i = *str++; i; i--) 1090 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty); 1091 splx(s); 1092 return; 1093 } 1094 (*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty); 1095 1096 splx(s); 1097 return; 1098 } 1099 1100 /* helper functions, makes the code below more readable */ 1101 static __inline__ void 1102 ite_sendstr(str) 1103 char *str; 1104 { 1105 struct tty *kbd_tty; 1106 1107 kbd_tty = kbd_ite->tp; 1108 KDASSERT(kbd_tty); 1109 while (*str) 1110 (*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty); 1111 } 1112 1113 static void 1114 alignment_display(ip) 1115 struct ite_softc *ip; 1116 { 1117 int i, j; 1118 1119 for (j = 0; j < ip->rows; j++) 1120 for (i = 0; i < ip->cols; i++) 1121 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR); 1122 attrclr(ip, 0, 0, ip->rows, ip->cols); 1123 SUBR_CURSOR(ip, DRAW_CURSOR); 1124 } 1125 1126 static __inline__ void 1127 snap_cury(ip) 1128 struct ite_softc *ip; 1129 { 1130 if (ip->inside_margins) 1131 { 1132 if (ip->cury < ip->top_margin) 1133 ip->cury = ip->top_margin; 1134 if (ip->cury > ip->bottom_margin) 1135 ip->cury = ip->bottom_margin; 1136 } 1137 } 1138 1139 static __inline__ void 1140 ite_dnchar(ip, n) 1141 struct ite_softc *ip; 1142 int n; 1143 { 1144 n = min(n, ip->cols - ip->curx); 1145 if (n < ip->cols - ip->curx) 1146 { 1147 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT); 1148 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx, 1149 1, ip->cols - ip->curx - n); 1150 attrclr(ip, ip->cury, ip->cols - n, 1, n); 1151 } 1152 while (n-- > 0) 1153 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR); 1154 SUBR_CURSOR(ip, DRAW_CURSOR); 1155 } 1156 1157 static __inline__ void 1158 ite_inchar(ip, n) 1159 struct ite_softc *ip; 1160 int n; 1161 { 1162 n = min(n, ip->cols - ip->curx); 1163 if (n < ip->cols - ip->curx) 1164 { 1165 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT); 1166 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n, 1167 1, ip->cols - ip->curx - n); 1168 attrclr(ip, ip->cury, ip->curx, 1, n); 1169 } 1170 while (n--) 1171 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1172 SUBR_CURSOR(ip, DRAW_CURSOR); 1173 } 1174 1175 static __inline__ void 1176 ite_clrtoeol(ip) 1177 struct ite_softc *ip; 1178 { 1179 int y = ip->cury, x = ip->curx; 1180 if (ip->cols - x > 0) 1181 { 1182 SUBR_CLEAR(ip, y, x, 1, ip->cols - x); 1183 attrclr(ip, y, x, 1, ip->cols - x); 1184 SUBR_CURSOR(ip, DRAW_CURSOR); 1185 } 1186 } 1187 1188 static __inline__ void 1189 ite_clrtobol(ip) 1190 struct ite_softc *ip; 1191 { 1192 int y = ip->cury, x = min(ip->curx + 1, ip->cols); 1193 SUBR_CLEAR(ip, y, 0, 1, x); 1194 attrclr(ip, y, 0, 1, x); 1195 SUBR_CURSOR(ip, DRAW_CURSOR); 1196 } 1197 1198 static __inline__ void 1199 ite_clrline(ip) 1200 struct ite_softc *ip; 1201 { 1202 int y = ip->cury; 1203 SUBR_CLEAR(ip, y, 0, 1, ip->cols); 1204 attrclr(ip, y, 0, 1, ip->cols); 1205 SUBR_CURSOR(ip, DRAW_CURSOR); 1206 } 1207 1208 1209 1210 static __inline__ void 1211 ite_clrtoeos(ip) 1212 struct ite_softc *ip; 1213 { 1214 ite_clrtoeol(ip); 1215 if (ip->cury < ip->rows - 1) 1216 { 1217 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols); 1218 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols); 1219 SUBR_CURSOR(ip, DRAW_CURSOR); 1220 } 1221 } 1222 1223 static __inline__ void 1224 ite_clrtobos(ip) 1225 struct ite_softc *ip; 1226 { 1227 ite_clrtobol(ip); 1228 if (ip->cury > 0) 1229 { 1230 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols); 1231 attrclr(ip, 0, 0, ip->cury, ip->cols); 1232 SUBR_CURSOR(ip, DRAW_CURSOR); 1233 } 1234 } 1235 1236 static __inline__ void 1237 ite_clrscreen(ip) 1238 struct ite_softc *ip; 1239 { 1240 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols); 1241 attrclr(ip, 0, 0, ip->rows, ip->cols); 1242 SUBR_CURSOR(ip, DRAW_CURSOR); 1243 } 1244 1245 1246 1247 static __inline__ void 1248 ite_dnline(ip, n) 1249 struct ite_softc *ip; 1250 int n; 1251 { 1252 /* interesting.. if the cursor is outside the scrolling 1253 region, this command is simply ignored.. */ 1254 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1255 return; 1256 1257 n = min(n, ip->bottom_margin + 1 - ip->cury); 1258 if (n <= ip->bottom_margin - ip->cury) 1259 { 1260 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP); 1261 attrmov(ip, ip->cury + n, 0, ip->cury, 0, 1262 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1263 } 1264 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1265 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1266 SUBR_CURSOR(ip, DRAW_CURSOR); 1267 } 1268 1269 static __inline__ void 1270 ite_inline(ip, n) 1271 struct ite_softc *ip; 1272 int n; 1273 { 1274 /* interesting.. if the cursor is outside the scrolling 1275 region, this command is simply ignored.. */ 1276 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1277 return; 1278 1279 n = min(n, ip->bottom_margin + 1 - ip->cury); 1280 if (n <= ip->bottom_margin - ip->cury) 1281 { 1282 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN); 1283 attrmov(ip, ip->cury, 0, ip->cury + n, 0, 1284 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1285 } 1286 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols); 1287 attrclr(ip, ip->cury, 0, n, ip->cols); 1288 SUBR_CURSOR(ip, DRAW_CURSOR); 1289 } 1290 1291 static __inline__ void 1292 ite_lf (ip) 1293 struct ite_softc *ip; 1294 { 1295 ++ip->cury; 1296 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows)) 1297 { 1298 ip->cury--; 1299 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1300 ite_clrline(ip); 1301 } 1302 SUBR_CURSOR(ip, MOVE_CURSOR); 1303 clr_attr(ip, ATTR_INV); 1304 } 1305 1306 static __inline__ void 1307 ite_crlf (ip) 1308 struct ite_softc *ip; 1309 { 1310 ip->curx = 0; 1311 ite_lf (ip); 1312 } 1313 1314 static __inline__ void 1315 ite_cr (ip) 1316 struct ite_softc *ip; 1317 { 1318 if (ip->curx) 1319 { 1320 ip->curx = 0; 1321 SUBR_CURSOR(ip, MOVE_CURSOR); 1322 } 1323 } 1324 1325 static __inline__ void 1326 ite_rlf (ip) 1327 struct ite_softc *ip; 1328 { 1329 ip->cury--; 1330 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1)) 1331 { 1332 ip->cury++; 1333 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN); 1334 ite_clrline(ip); 1335 } 1336 SUBR_CURSOR(ip, MOVE_CURSOR); 1337 clr_attr(ip, ATTR_INV); 1338 } 1339 1340 static __inline__ int 1341 atoi (cp) 1342 const char *cp; 1343 { 1344 int n; 1345 1346 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1347 n = n * 10 + *cp - '0'; 1348 1349 return n; 1350 } 1351 1352 static char * 1353 index (cp, ch) 1354 const char *cp; 1355 int ch; 1356 { 1357 while (*cp && *cp != ch) cp++; 1358 return *cp ? (char *) cp : 0; 1359 } 1360 1361 1362 static __inline__ int 1363 ite_argnum (ip) 1364 struct ite_softc *ip; 1365 { 1366 char ch; 1367 int n; 1368 1369 /* convert argument string into number */ 1370 if (ip->ap == ip->argbuf) 1371 return 1; 1372 ch = *ip->ap; 1373 *ip->ap = 0; 1374 n = atoi (ip->argbuf); 1375 *ip->ap = ch; 1376 1377 return n; 1378 } 1379 1380 static __inline__ int 1381 ite_zargnum (ip) 1382 struct ite_softc *ip; 1383 { 1384 char ch; 1385 int n; 1386 1387 /* convert argument string into number */ 1388 if (ip->ap == ip->argbuf) 1389 return 0; 1390 ch = *ip->ap; 1391 *ip->ap = 0; 1392 n = atoi (ip->argbuf); 1393 *ip->ap = ch; 1394 1395 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1396 } 1397 1398 void 1399 ite_putstr(s, len, dev) 1400 const u_char *s; 1401 int len; 1402 dev_t dev; 1403 { 1404 struct ite_softc *ip; 1405 int i; 1406 1407 ip = getitesp(dev); 1408 1409 /* XXX avoid problems */ 1410 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1411 return; 1412 1413 SUBR_CURSOR(ip, START_CURSOROPT); 1414 for (i = 0; i < len; i++) 1415 if (s[i]) 1416 iteputchar(s[i], ip); 1417 SUBR_CURSOR(ip, END_CURSOROPT); 1418 } 1419 1420 1421 void 1422 iteputchar(c, ip) 1423 register int c; 1424 struct ite_softc *ip; 1425 { 1426 struct tty *kbd_tty; 1427 int n, x, y; 1428 char *cp; 1429 1430 if (kbd_ite == NULL) 1431 kbd_tty = NULL; 1432 else 1433 kbd_tty = kbd_ite->tp; 1434 1435 if (ip->escape) 1436 { 1437 switch (ip->escape) 1438 { 1439 case ESC: 1440 switch (c) 1441 { 1442 /* first 7bit equivalents for the 8bit control characters */ 1443 1444 case 'D': 1445 c = IND; 1446 ip->escape = 0; 1447 break; /* and fall into the next switch below (same for all `break') */ 1448 1449 case 'E': 1450 c = NEL; 1451 ip->escape = 0; 1452 break; 1453 1454 case 'H': 1455 c = HTS; 1456 ip->escape = 0; 1457 break; 1458 1459 case 'M': 1460 c = RI; 1461 ip->escape = 0; 1462 break; 1463 1464 case 'N': 1465 c = SS2; 1466 ip->escape = 0; 1467 break; 1468 1469 case 'O': 1470 c = SS3; 1471 ip->escape = 0; 1472 break; 1473 1474 case 'P': 1475 c = DCS; 1476 ip->escape = 0; 1477 break; 1478 1479 case '[': 1480 c = CSI; 1481 ip->escape = 0; 1482 break; 1483 1484 case '\\': 1485 c = ST; 1486 ip->escape = 0; 1487 break; 1488 1489 case ']': 1490 c = OSC; 1491 ip->escape = 0; 1492 break; 1493 1494 case '^': 1495 c = PM; 1496 ip->escape = 0; 1497 break; 1498 1499 case '_': 1500 c = APC; 1501 ip->escape = 0; 1502 break; 1503 1504 1505 /* introduces 7/8bit control */ 1506 case ' ': 1507 /* can be followed by either F or G */ 1508 ip->escape = ' '; 1509 break; 1510 1511 1512 /* a lot of character set selections, not yet used... 1513 94-character sets: */ 1514 case '(': /* G0 */ 1515 case ')': /* G1 */ 1516 ip->escape = c; 1517 return; 1518 1519 case '*': /* G2 */ 1520 case '+': /* G3 */ 1521 case 'B': /* ASCII */ 1522 case 'A': /* ISO latin 1 */ 1523 case '<': /* user preferred suplemental */ 1524 case '0': /* dec special graphics */ 1525 1526 /* 96-character sets: */ 1527 case '-': /* G1 */ 1528 case '.': /* G2 */ 1529 case '/': /* G3 */ 1530 1531 /* national character sets: */ 1532 case '4': /* dutch */ 1533 case '5': 1534 case 'C': /* finnish */ 1535 case 'R': /* french */ 1536 case 'Q': /* french canadian */ 1537 case 'K': /* german */ 1538 case 'Y': /* italian */ 1539 case '6': /* norwegian/danish */ 1540 /* note: %5 and %6 are not supported (two chars..) */ 1541 1542 ip->escape = 0; 1543 /* just ignore for now */ 1544 return; 1545 1546 1547 /* locking shift modes (as you might guess, not yet supported..) */ 1548 case '`': 1549 ip->GR = ip->G1; 1550 ip->escape = 0; 1551 return; 1552 1553 case 'n': 1554 ip->GL = ip->G2; 1555 ip->escape = 0; 1556 return; 1557 1558 case '}': 1559 ip->GR = ip->G2; 1560 ip->escape = 0; 1561 return; 1562 1563 case 'o': 1564 ip->GL = ip->G3; 1565 ip->escape = 0; 1566 return; 1567 1568 case '|': 1569 ip->GR = ip->G3; 1570 ip->escape = 0; 1571 return; 1572 1573 1574 /* font width/height control */ 1575 case '#': 1576 ip->escape = '#'; 1577 return; 1578 1579 1580 /* hard terminal reset .. */ 1581 case 'c': 1582 ite_reset (ip); 1583 SUBR_CURSOR(ip, MOVE_CURSOR); 1584 ip->escape = 0; 1585 return; 1586 1587 1588 case '7': 1589 ip->save_curx = ip->curx; 1590 ip->save_cury = ip->cury; 1591 ip->save_attribute = ip->attribute; 1592 ip->escape = 0; 1593 return; 1594 1595 case '8': 1596 ip->curx = ip->save_curx; 1597 ip->cury = ip->save_cury; 1598 ip->attribute = ip->save_attribute; 1599 SUBR_CURSOR(ip, MOVE_CURSOR); 1600 ip->escape = 0; 1601 return; 1602 1603 case '=': 1604 ip->keypad_appmode = 1; 1605 ip->escape = 0; 1606 return; 1607 1608 case '>': 1609 ip->keypad_appmode = 0; 1610 ip->escape = 0; 1611 return; 1612 1613 case 'Z': /* request ID */ 1614 if (ip->emul_level == EMUL_VT100) 1615 ite_sendstr ("\033[?61;0c"); /* XXX not clean */ 1616 else 1617 ite_sendstr ("\033[?63;0c"); /* XXX not clean */ 1618 ip->escape = 0; 1619 return; 1620 1621 /* default catch all for not recognized ESC sequences */ 1622 default: 1623 ip->escape = 0; 1624 return; 1625 } 1626 break; 1627 1628 1629 case '(': 1630 case ')': 1631 ip->escape = 0; 1632 return; 1633 1634 1635 case ' ': 1636 switch (c) 1637 { 1638 case 'F': 1639 ip->eightbit_C1 = 0; 1640 ip->escape = 0; 1641 return; 1642 1643 case 'G': 1644 ip->eightbit_C1 = 1; 1645 ip->escape = 0; 1646 return; 1647 1648 default: 1649 /* not supported */ 1650 ip->escape = 0; 1651 return; 1652 } 1653 break; 1654 1655 1656 case '#': 1657 switch (c) 1658 { 1659 case '5': 1660 /* single height, single width */ 1661 ip->escape = 0; 1662 return; 1663 1664 case '6': 1665 /* double width, single height */ 1666 ip->escape = 0; 1667 return; 1668 1669 case '3': 1670 /* top half */ 1671 ip->escape = 0; 1672 return; 1673 1674 case '4': 1675 /* bottom half */ 1676 ip->escape = 0; 1677 return; 1678 1679 case '8': 1680 /* screen alignment pattern... */ 1681 alignment_display (ip); 1682 ip->escape = 0; 1683 return; 1684 1685 default: 1686 ip->escape = 0; 1687 return; 1688 } 1689 break; 1690 1691 1692 1693 case CSI: 1694 /* the biggie... */ 1695 switch (c) 1696 { 1697 case '0': case '1': case '2': case '3': case '4': 1698 case '5': case '6': case '7': case '8': case '9': 1699 case ';': case '\"': case '$': case '>': 1700 if (ip->ap < ip->argbuf + MAX_ARGSIZE) 1701 *ip->ap++ = c; 1702 return; 1703 1704 case BS: 1705 /* you wouldn't believe such perversion is possible? 1706 it is.. BS is allowed in between cursor sequences 1707 (at least), according to vttest.. */ 1708 if (--ip->curx < 0) 1709 ip->curx = 0; 1710 else 1711 SUBR_CURSOR(ip, MOVE_CURSOR); 1712 break; 1713 1714 case 'p': 1715 *ip->ap = 0; 1716 if (! strncmp (ip->argbuf, "61\"", 3)) 1717 ip->emul_level = EMUL_VT100; 1718 else if (! strncmp (ip->argbuf, "63;1\"", 5) 1719 || ! strncmp (ip->argbuf, "62;1\"", 5)) 1720 ip->emul_level = EMUL_VT300_7; 1721 else 1722 ip->emul_level = EMUL_VT300_8; 1723 ip->escape = 0; 1724 return; 1725 1726 1727 case '?': 1728 *ip->ap = 0; 1729 ip->escape = '?'; 1730 ip->ap = ip->argbuf; 1731 return; 1732 1733 1734 case 'c': 1735 *ip->ap = 0; 1736 if (ip->argbuf[0] == '>') 1737 { 1738 ite_sendstr ("\033[>24;0;0;0c"); 1739 } 1740 else switch (ite_zargnum(ip)) 1741 { 1742 case 0: 1743 /* primary DA request, send primary DA response */ 1744 if (ip->emul_level == EMUL_VT100) 1745 ite_sendstr ("\033[?1;1c"); 1746 else 1747 ite_sendstr ("\033[?63;1c"); 1748 break; 1749 } 1750 ip->escape = 0; 1751 return; 1752 1753 case 'n': 1754 switch (ite_zargnum(ip)) 1755 { 1756 case 5: 1757 ite_sendstr ("\033[0n"); /* no malfunction */ 1758 break; 1759 case 6: 1760 /* cursor position report */ 1761 sprintf (ip->argbuf, "\033[%d;%dR", 1762 ip->cury + 1, ip->curx + 1); 1763 ite_sendstr (ip->argbuf); 1764 break; 1765 } 1766 ip->escape = 0; 1767 return; 1768 1769 1770 case 'x': 1771 switch (ite_zargnum(ip)) 1772 { 1773 case 0: 1774 /* Fake some terminal parameters. */ 1775 ite_sendstr ("\033[2;1;1;112;112;1;0x"); 1776 break; 1777 case 1: 1778 ite_sendstr ("\033[3;1;1;112;112;1;0x"); 1779 break; 1780 } 1781 ip->escape = 0; 1782 return; 1783 1784 1785 case 'g': 1786 switch (ite_zargnum(ip)) 1787 { 1788 case 0: 1789 if (ip->curx < ip->cols) 1790 ip->tabs[ip->curx] = 0; 1791 break; 1792 case 3: 1793 for (n = 0; n < ip->cols; n++) 1794 ip->tabs[n] = 0; 1795 break; 1796 } 1797 ip->escape = 0; 1798 return; 1799 1800 1801 case 'h': case 'l': 1802 n = ite_zargnum (ip); 1803 switch (n) 1804 { 1805 case 4: 1806 ip->imode = (c == 'h'); /* insert/replace mode */ 1807 break; 1808 case 20: 1809 ip->linefeed_newline = (c == 'h'); 1810 break; 1811 } 1812 ip->escape = 0; 1813 return; 1814 1815 1816 case 'M': 1817 ite_dnline (ip, ite_argnum (ip)); 1818 ip->escape = 0; 1819 return; 1820 1821 1822 case 'L': 1823 ite_inline (ip, ite_argnum (ip)); 1824 ip->escape = 0; 1825 return; 1826 1827 1828 case 'P': 1829 ite_dnchar (ip, ite_argnum (ip)); 1830 ip->escape = 0; 1831 return; 1832 1833 1834 case '@': 1835 ite_inchar (ip, ite_argnum (ip)); 1836 ip->escape = 0; 1837 return; 1838 1839 1840 case 'G': 1841 /* this one was *not* in my vt320 manual but in 1842 a vt320 termcap entry.. who is right? 1843 It's supposed to set the horizontal cursor position. */ 1844 *ip->ap = 0; 1845 x = atoi (ip->argbuf); 1846 if (x) x--; 1847 ip->curx = min(x, ip->cols - 1); 1848 ip->escape = 0; 1849 SUBR_CURSOR(ip, MOVE_CURSOR); 1850 clr_attr (ip, ATTR_INV); 1851 return; 1852 1853 1854 case 'd': 1855 /* same thing here, this one's for setting the absolute 1856 vertical cursor position. Not documented... */ 1857 *ip->ap = 0; 1858 y = atoi (ip->argbuf); 1859 if (y) y--; 1860 if (ip->inside_margins) 1861 y += ip->top_margin; 1862 ip->cury = min(y, ip->rows - 1); 1863 ip->escape = 0; 1864 snap_cury(ip); 1865 SUBR_CURSOR(ip, MOVE_CURSOR); 1866 clr_attr (ip, ATTR_INV); 1867 return; 1868 1869 1870 case 'H': 1871 case 'f': 1872 *ip->ap = 0; 1873 y = atoi (ip->argbuf); 1874 x = 0; 1875 cp = index (ip->argbuf, ';'); 1876 if (cp) 1877 x = atoi (cp + 1); 1878 if (x) x--; 1879 if (y) y--; 1880 if (ip->inside_margins) 1881 y += ip->top_margin; 1882 ip->cury = min(y, ip->rows - 1); 1883 ip->curx = min(x, ip->cols - 1); 1884 ip->escape = 0; 1885 snap_cury(ip); 1886 SUBR_CURSOR(ip, MOVE_CURSOR); 1887 clr_attr (ip, ATTR_INV); 1888 return; 1889 1890 case 'A': 1891 n = ite_argnum (ip); 1892 n = ip->cury - (n ? n : 1); 1893 if (n < 0) n = 0; 1894 if (ip->inside_margins) 1895 n = max(ip->top_margin, n); 1896 else if (n == ip->top_margin - 1) 1897 /* allow scrolling outside region, but don't scroll out 1898 of active region without explicit CUP */ 1899 n = ip->top_margin; 1900 ip->cury = n; 1901 ip->escape = 0; 1902 SUBR_CURSOR(ip, MOVE_CURSOR); 1903 clr_attr (ip, ATTR_INV); 1904 return; 1905 1906 case 'B': 1907 n = ite_argnum (ip); 1908 n = ip->cury + (n ? n : 1); 1909 n = min(ip->rows - 1, n); 1910 if (ip->inside_margins) 1911 n = min(ip->bottom_margin, n); 1912 else if (n == ip->bottom_margin + 1) 1913 /* allow scrolling outside region, but don't scroll out 1914 of active region without explicit CUP */ 1915 n = ip->bottom_margin; 1916 ip->cury = n; 1917 ip->escape = 0; 1918 SUBR_CURSOR(ip, MOVE_CURSOR); 1919 clr_attr (ip, ATTR_INV); 1920 return; 1921 1922 case 'C': 1923 n = ite_argnum (ip); 1924 n = n ? n : 1; 1925 ip->curx = min(ip->curx + n, ip->cols - 1); 1926 ip->escape = 0; 1927 SUBR_CURSOR(ip, MOVE_CURSOR); 1928 clr_attr (ip, ATTR_INV); 1929 return; 1930 1931 case 'D': 1932 n = ite_argnum (ip); 1933 n = n ? n : 1; 1934 n = ip->curx - n; 1935 ip->curx = n >= 0 ? n : 0; 1936 ip->escape = 0; 1937 SUBR_CURSOR(ip, MOVE_CURSOR); 1938 clr_attr (ip, ATTR_INV); 1939 return; 1940 1941 1942 1943 1944 case 'J': 1945 *ip->ap = 0; 1946 n = ite_zargnum (ip); 1947 if (n == 0) 1948 ite_clrtoeos(ip); 1949 else if (n == 1) 1950 ite_clrtobos(ip); 1951 else if (n == 2) 1952 ite_clrscreen(ip); 1953 ip->escape = 0; 1954 return; 1955 1956 1957 case 'K': 1958 n = ite_zargnum (ip); 1959 if (n == 0) 1960 ite_clrtoeol(ip); 1961 else if (n == 1) 1962 ite_clrtobol(ip); 1963 else if (n == 2) 1964 ite_clrline(ip); 1965 ip->escape = 0; 1966 return; 1967 1968 1969 case 'X': 1970 n = ite_argnum(ip) - 1; 1971 n = min(n, ip->cols - 1 - ip->curx); 1972 for (; n >= 0; n--) 1973 { 1974 attrclr(ip, ip->cury, ip->curx + n, 1, 1); 1975 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1976 } 1977 ip->escape = 0; 1978 return; 1979 1980 1981 case '}': case '`': 1982 /* status line control */ 1983 ip->escape = 0; 1984 return; 1985 1986 1987 case 'r': 1988 *ip->ap = 0; 1989 x = atoi (ip->argbuf); 1990 x = x ? x : 1; 1991 y = ip->rows; 1992 cp = index (ip->argbuf, ';'); 1993 if (cp) 1994 { 1995 y = atoi (cp + 1); 1996 y = y ? y : ip->rows; 1997 } 1998 if (y - x < 2) 1999 { 2000 /* if illegal scrolling region, reset to defaults */ 2001 x = 1; 2002 y = ip->rows; 2003 } 2004 x--; 2005 y--; 2006 ip->top_margin = min(x, ip->rows - 1); 2007 ip->bottom_margin = min(y, ip->rows - 1); 2008 if (ip->inside_margins) 2009 { 2010 ip->cury = ip->top_margin; 2011 ip->curx = 0; 2012 SUBR_CURSOR(ip, MOVE_CURSOR); 2013 } 2014 ip->escape = 0; 2015 return; 2016 2017 2018 case 'm': 2019 /* big attribute setter/resetter */ 2020 { 2021 char *cp; 2022 *ip->ap = 0; 2023 /* kludge to make CSIm work (== CSI0m) */ 2024 if (ip->ap == ip->argbuf) 2025 ip->ap++; 2026 for (cp = ip->argbuf; cp < ip->ap; ) 2027 { 2028 switch (*cp) 2029 { 2030 case 0: 2031 case '0': 2032 clr_attr (ip, ATTR_ALL); 2033 cp++; 2034 break; 2035 2036 case '1': 2037 set_attr (ip, ATTR_BOLD); 2038 cp++; 2039 break; 2040 2041 case '2': 2042 switch (cp[1]) 2043 { 2044 case '2': 2045 clr_attr (ip, ATTR_BOLD); 2046 cp += 2; 2047 break; 2048 2049 case '4': 2050 clr_attr (ip, ATTR_UL); 2051 cp += 2; 2052 break; 2053 2054 case '5': 2055 clr_attr (ip, ATTR_BLINK); 2056 cp += 2; 2057 break; 2058 2059 case '7': 2060 clr_attr (ip, ATTR_INV); 2061 cp += 2; 2062 break; 2063 2064 default: 2065 cp++; 2066 break; 2067 } 2068 break; 2069 2070 case '4': 2071 set_attr (ip, ATTR_UL); 2072 cp++; 2073 break; 2074 2075 case '5': 2076 set_attr (ip, ATTR_BLINK); 2077 cp++; 2078 break; 2079 2080 case '7': 2081 set_attr (ip, ATTR_INV); 2082 cp++; 2083 break; 2084 2085 default: 2086 cp++; 2087 break; 2088 } 2089 } 2090 2091 } 2092 ip->escape = 0; 2093 return; 2094 2095 2096 case 'u': 2097 /* DECRQTSR */ 2098 ite_sendstr ("\033P\033\\"); 2099 ip->escape = 0; 2100 return; 2101 2102 2103 2104 default: 2105 ip->escape = 0; 2106 return; 2107 } 2108 break; 2109 2110 2111 2112 case '?': /* CSI ? */ 2113 switch (c) 2114 { 2115 case '0': case '1': case '2': case '3': case '4': 2116 case '5': case '6': case '7': case '8': case '9': 2117 case ';': case '\"': case '$': 2118 /* Don't fill the last character; it's needed. */ 2119 /* XXX yeah, where ?? */ 2120 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1) 2121 *ip->ap++ = c; 2122 return; 2123 2124 2125 case 'n': 2126 *ip->ap = 0; 2127 if (ip->ap == &ip->argbuf[2]) 2128 { 2129 if (! strncmp (ip->argbuf, "15", 2)) 2130 /* printer status: no printer */ 2131 ite_sendstr ("\033[13n"); 2132 2133 else if (! strncmp (ip->argbuf, "25", 2)) 2134 /* udk status */ 2135 ite_sendstr ("\033[20n"); 2136 2137 else if (! strncmp (ip->argbuf, "26", 2)) 2138 /* keyboard dialect: US */ 2139 ite_sendstr ("\033[27;1n"); 2140 } 2141 ip->escape = 0; 2142 return; 2143 2144 2145 case 'h': case 'l': 2146 n = ite_zargnum (ip); 2147 switch (n) 2148 { 2149 case 1: 2150 ip->cursor_appmode = (c == 'h'); 2151 break; 2152 2153 case 3: 2154 /* 132/80 columns (132 == 'h') */ 2155 break; 2156 2157 case 4: /* smooth scroll */ 2158 break; 2159 2160 case 5: 2161 /* light background (=='h') /dark background(=='l') */ 2162 break; 2163 2164 case 6: /* origin mode */ 2165 ip->inside_margins = (c == 'h'); 2166 ip->curx = 0; 2167 ip->cury = ip->inside_margins ? ip->top_margin : 0; 2168 SUBR_CURSOR(ip, MOVE_CURSOR); 2169 break; 2170 2171 case 7: /* auto wraparound */ 2172 ip->auto_wrap = (c == 'h'); 2173 break; 2174 2175 case 8: /* keyboard repeat */ 2176 ip->key_repeat = (c == 'h'); 2177 break; 2178 2179 case 20: /* newline mode */ 2180 ip->linefeed_newline = (c == 'h'); 2181 break; 2182 2183 case 25: /* cursor on/off */ 2184 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR); 2185 break; 2186 } 2187 ip->escape = 0; 2188 return; 2189 2190 default: 2191 ip->escape = 0; 2192 return; 2193 } 2194 break; 2195 2196 2197 default: 2198 ip->escape = 0; 2199 return; 2200 } 2201 } 2202 2203 switch (c) { 2204 2205 case VT: /* VT is treated like LF */ 2206 case FF: /* so is FF */ 2207 case LF: 2208 /* cr->crlf distinction is done here, on output, 2209 not on input! */ 2210 if (ip->linefeed_newline) 2211 ite_crlf (ip); 2212 else 2213 ite_lf (ip); 2214 break; 2215 2216 case CR: 2217 ite_cr (ip); 2218 break; 2219 2220 case BS: 2221 if (--ip->curx < 0) 2222 ip->curx = 0; 2223 else 2224 SUBR_CURSOR(ip, MOVE_CURSOR); 2225 break; 2226 2227 case HT: 2228 for (n = ip->curx + 1; n < ip->cols; n++) { 2229 if (ip->tabs[n]) { 2230 ip->curx = n; 2231 SUBR_CURSOR(ip, MOVE_CURSOR); 2232 break; 2233 } 2234 } 2235 break; 2236 2237 case BEL: 2238 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty) 2239 kbdbell(); 2240 break; 2241 2242 case SO: 2243 ip->GL = ip->G1; 2244 break; 2245 2246 case SI: 2247 ip->GL = ip->G0; 2248 break; 2249 2250 case ENQ: 2251 /* send answer-back message !! */ 2252 break; 2253 2254 case CAN: 2255 ip->escape = 0; /* cancel any escape sequence in progress */ 2256 break; 2257 2258 case SUB: 2259 ip->escape = 0; /* dito, but see below */ 2260 /* should also display a reverse question mark!! */ 2261 break; 2262 2263 case ESC: 2264 ip->escape = ESC; 2265 break; 2266 2267 2268 /* now it gets weird.. 8bit control sequences.. */ 2269 case IND: /* index: move cursor down, scroll */ 2270 ite_lf (ip); 2271 break; 2272 2273 case NEL: /* next line. next line, first pos. */ 2274 ite_crlf (ip); 2275 break; 2276 2277 case HTS: /* set horizontal tab */ 2278 if (ip->curx < ip->cols) 2279 ip->tabs[ip->curx] = 1; 2280 break; 2281 2282 case RI: /* reverse index */ 2283 ite_rlf (ip); 2284 break; 2285 2286 case SS2: /* go into G2 for one character */ 2287 /* not yet supported */ 2288 break; 2289 2290 case SS3: /* go into G3 for one character */ 2291 break; 2292 2293 case DCS: /* device control string introducer */ 2294 ip->escape = DCS; 2295 ip->ap = ip->argbuf; 2296 break; 2297 2298 case CSI: /* control sequence introducer */ 2299 ip->escape = CSI; 2300 ip->ap = ip->argbuf; 2301 break; 2302 2303 case ST: /* string terminator */ 2304 /* ignore, if not used as terminator */ 2305 break; 2306 2307 case OSC: /* introduces OS command. Ignore everything upto ST */ 2308 ip->escape = OSC; 2309 break; 2310 2311 case PM: /* privacy message, ignore everything upto ST */ 2312 ip->escape = PM; 2313 break; 2314 2315 case APC: /* application program command, ignore everything upto ST */ 2316 ip->escape = APC; 2317 break; 2318 2319 default: 2320 if (c < ' ' || c == DEL) 2321 break; 2322 if (ip->imode) 2323 ite_inchar(ip, 1); 2324 iteprecheckwrap(ip); 2325 #ifdef DO_WEIRD_ATTRIBUTES 2326 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) { 2327 attrset(ip, ATTR_INV); 2328 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV); 2329 } 2330 else 2331 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR); 2332 #else 2333 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute); 2334 #endif 2335 SUBR_CURSOR(ip, DRAW_CURSOR); 2336 itecheckwrap(ip); 2337 break; 2338 } 2339 } 2340 2341 static void 2342 iteprecheckwrap(ip) 2343 struct ite_softc *ip; 2344 { 2345 if (ip->auto_wrap && ip->curx == ip->cols) { 2346 ip->curx = 0; 2347 clr_attr(ip, ATTR_INV); 2348 if (++ip->cury >= ip->bottom_margin + 1) { 2349 ip->cury = ip->bottom_margin; 2350 SUBR_CURSOR(ip, MOVE_CURSOR); 2351 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 2352 ite_clrtoeol(ip); 2353 } else 2354 SUBR_CURSOR(ip, MOVE_CURSOR); 2355 } 2356 } 2357 2358 static void 2359 itecheckwrap(ip) 2360 struct ite_softc *ip; 2361 { 2362 if (ip->curx < ip->cols) { 2363 ip->curx++; 2364 SUBR_CURSOR(ip, MOVE_CURSOR); 2365 } 2366 } 2367