ite.c revision 1.41
1 /* $NetBSD: ite.c,v 1.41 2003/08/07 16:27:00 agc Exp $ */ 2 3 /* 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: Utah Hdr: ite.c 1.1 90/07/09 36 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91 37 */ 38 /* 39 * Copyright (c) 1988 University of Utah. 40 * 41 * This code is derived from software contributed to Berkeley by 42 * the Systems Programming Group of the University of Utah Computer 43 * Science Department. 44 * 45 * Redistribution and use in source and binary forms, with or without 46 * modification, are permitted provided that the following conditions 47 * are met: 48 * 1. Redistributions of source code must retain the above copyright 49 * notice, this list of conditions and the following disclaimer. 50 * 2. Redistributions in binary form must reproduce the above copyright 51 * notice, this list of conditions and the following disclaimer in the 52 * documentation and/or other materials provided with the distribution. 53 * 3. All advertising materials mentioning features or use of this software 54 * must display the following acknowledgement: 55 * This product includes software developed by the University of 56 * California, Berkeley and its contributors. 57 * 4. Neither the name of the University nor the names of its contributors 58 * may be used to endorse or promote products derived from this software 59 * without specific prior written permission. 60 * 61 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 62 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 63 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 64 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 65 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 66 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 67 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 68 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 69 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 70 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 71 * SUCH DAMAGE. 72 * 73 * from: Utah Hdr: ite.c 1.1 90/07/09 74 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91 75 */ 76 77 /* 78 * ite - bitmapped terminal. 79 * Supports VT200, a few terminal features will be unavailable until 80 * the system actually probes the device (i.e. not after consinit()) 81 */ 82 83 #include <sys/cdefs.h> 84 __KERNEL_RCSID(0, "$NetBSD: ite.c,v 1.41 2003/08/07 16:27:00 agc Exp $"); 85 86 #include "opt_ddb.h" 87 88 #include <sys/param.h> 89 #include <sys/kernel.h> 90 #include <sys/conf.h> 91 #include <sys/device.h> 92 #include <sys/malloc.h> 93 #include <sys/fcntl.h> 94 #include <sys/ioctl.h> 95 #include <sys/tty.h> 96 #include <sys/termios.h> 97 #include <sys/systm.h> 98 #include <sys/callout.h> 99 #include <sys/proc.h> 100 #include <dev/cons.h> 101 102 #include <machine/cpu.h> 103 104 #include <atari/atari/device.h> 105 #include <atari/dev/event_var.h> 106 #include <atari/dev/kbdmap.h> 107 #include <atari/dev/kbdvar.h> 108 #include <atari/dev/iteioctl.h> 109 #include <atari/dev/itevar.h> 110 #include <atari/dev/grfioctl.h> 111 #include <atari/dev/grfabs_reg.h> 112 #include <atari/dev/grfvar.h> 113 #include <atari/dev/viewioctl.h> 114 #include <atari/dev/viewvar.h> 115 116 #define ITEUNIT(dev) (minor(dev)) 117 118 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip) 119 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip) 120 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m) 121 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg) 122 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w) 123 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir) 124 125 u_int ite_confunits; /* configured units */ 126 127 int start_repeat_timeo = 30; /* first repeat after x s/100 */ 128 int next_repeat_timeo = 10; /* next repeat after x s/100 */ 129 130 /* 131 * Patchable 132 */ 133 int ite_default_x = 0; /* def leftedge offset */ 134 int ite_default_y = 0; /* def topedge offset */ 135 int ite_default_width = 640; /* def width */ 136 int ite_default_depth = 1; /* def depth */ 137 int ite_default_height = 400; /* def height */ 138 int ite_default_wrap = 1; /* if you want vtxxx-nam -> binpatch */ 139 140 struct ite_softc con_itesoftc; 141 u_char cons_tabs[MAX_TABS]; 142 143 struct ite_softc *kbd_ite; 144 int kbd_init; 145 146 static __inline__ int atoi __P((const char *)); 147 static __inline__ int ite_argnum __P((struct ite_softc *)); 148 static __inline__ int ite_zargnum __P((struct ite_softc *)); 149 static __inline__ void ite_cr __P((struct ite_softc *)); 150 static __inline__ void ite_crlf __P((struct ite_softc *)); 151 static __inline__ void ite_clrline __P((struct ite_softc *)); 152 static __inline__ void ite_clrscreen __P((struct ite_softc *)); 153 static __inline__ void ite_clrtobos __P((struct ite_softc *)); 154 static __inline__ void ite_clrtobol __P((struct ite_softc *)); 155 static __inline__ void ite_clrtoeol __P((struct ite_softc *)); 156 static __inline__ void ite_clrtoeos __P((struct ite_softc *)); 157 static __inline__ void ite_dnchar __P((struct ite_softc *, int)); 158 static __inline__ void ite_inchar __P((struct ite_softc *, int)); 159 static __inline__ void ite_inline __P((struct ite_softc *, int)); 160 static __inline__ void ite_lf __P((struct ite_softc *)); 161 static __inline__ void ite_dnline __P((struct ite_softc *, int)); 162 static __inline__ void ite_rlf __P((struct ite_softc *)); 163 static __inline__ void ite_sendstr __P((char *)); 164 static __inline__ void snap_cury __P((struct ite_softc *)); 165 166 static void alignment_display __P((struct ite_softc *)); 167 static char *index __P((const char *, int)); 168 static struct ite_softc *getitesp __P((dev_t)); 169 static void itecheckwrap __P((struct ite_softc *)); 170 static void iteprecheckwrap __P((struct ite_softc *)); 171 static void itestart __P((struct tty *)); 172 static void ite_switch __P((int)); 173 static void repeat_handler __P((void *)); 174 175 void iteputchar __P((int c, struct ite_softc *ip)); 176 void ite_putstr __P((const u_char * s, int len, dev_t dev)); 177 void iteattach __P((struct device *, struct device *, void *)); 178 int itematch __P((struct device *, struct cfdata *, void *)); 179 180 /* 181 * Console specific types. 182 */ 183 dev_type_cnprobe(itecnprobe); 184 dev_type_cninit(itecninit); 185 dev_type_cngetc(itecngetc); 186 dev_type_cnputc(itecnputc); 187 188 CFATTACH_DECL(ite, sizeof(struct ite_softc), 189 itematch, iteattach, NULL, NULL); 190 191 extern struct cfdriver ite_cd; 192 193 dev_type_open(iteopen); 194 dev_type_close(iteclose); 195 dev_type_read(iteread); 196 dev_type_write(itewrite); 197 dev_type_ioctl(iteioctl); 198 dev_type_tty(itetty); 199 dev_type_poll(itepoll); 200 201 const struct cdevsw ite_cdevsw = { 202 iteopen, iteclose, iteread, itewrite, iteioctl, 203 nostop, itetty, itepoll, nommap, ttykqfilter, D_TTY 204 }; 205 206 /* 207 * Keep track of the device number of the ite console. Only used in the 208 * itematch/iteattach functions. 209 */ 210 static int cons_ite = -1; 211 212 int 213 itematch(pdp, cfp, auxp) 214 struct device *pdp; 215 struct cfdata *cfp; 216 void *auxp; 217 { 218 static int nmatches = 0; 219 220 /* 221 * Handle early console stuff. The first cf_unit number 222 * matches the console unit. All other early matches will fail. 223 */ 224 if (atari_realconfig == 0) { 225 if (cons_ite >= 0) 226 return 0; 227 cons_ite = cfp->cf_unit; 228 return 1; 229 } 230 231 /* 232 * all that our mask allows (more than enough no one 233 * has > 32 monitors for text consoles on one machine) 234 */ 235 if (nmatches >= sizeof(ite_confunits) * NBBY) 236 return 0; /* checks STAR */ 237 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY) 238 return 0; /* refuses ite100 at .... */ 239 nmatches++; 240 return 1; 241 } 242 243 void 244 iteattach(pdp, dp, auxp) 245 struct device *pdp, *dp; 246 void *auxp; 247 { 248 struct grf_softc *gp; 249 struct ite_softc *ip; 250 int s; 251 int maj, unit; 252 253 gp = (struct grf_softc *)auxp; 254 ip = (struct ite_softc *)dp; 255 256 maj = cdevsw_lookup_major(&ite_cdevsw); 257 unit = (dp != NULL) ? ip->device.dv_unit : cons_ite; 258 gp->g_itedev = makedev(maj, unit); 259 260 if(dp) { 261 262 ite_confunits |= 1 << ITEUNIT(gp->g_itedev); 263 264 s = spltty(); 265 if(con_itesoftc.grf != NULL 266 && con_itesoftc.grf->g_unit == gp->g_unit) { 267 /* 268 * console reinit copy params over. 269 * and console always gets keyboard 270 */ 271 bcopy(&con_itesoftc.grf, &ip->grf, 272 (char *)&ip[1] - (char *)&ip->grf); 273 con_itesoftc.grf = NULL; 274 kbd_ite = ip; 275 } 276 ip->grf = gp; 277 splx(s); 278 279 iteinit(gp->g_itedev); 280 printf(": %dx%d", ip->rows, ip->cols); 281 printf(" repeat at (%d/100)s next at (%d/100)s", 282 start_repeat_timeo, next_repeat_timeo); 283 284 if (kbd_ite == NULL) 285 kbd_ite = ip; 286 if (kbd_ite == ip) 287 printf(" has keyboard"); 288 printf("\n"); 289 } else { 290 if (con_itesoftc.grf != NULL && 291 con_itesoftc.grf->g_conpri > gp->g_conpri) 292 return; 293 con_itesoftc.grf = gp; 294 con_itesoftc.tabs = cons_tabs; 295 } 296 } 297 298 static struct ite_softc * 299 getitesp(dev) 300 dev_t dev; 301 { 302 if(atari_realconfig && (con_itesoftc.grf == NULL)) 303 return(ite_cd.cd_devs[ITEUNIT(dev)]); 304 305 if(con_itesoftc.grf == NULL) 306 panic("no ite_softc for console"); 307 return(&con_itesoftc); 308 } 309 310 /* 311 * cons.c entry points into ite device. 312 */ 313 314 /* 315 * Return a priority in consdev->cn_pri field highest wins. This function 316 * is called before any devices have been probed. 317 */ 318 void 319 itecnprobe(cd) 320 struct consdev *cd; 321 { 322 /* 323 * return priority of the best ite (already picked from attach) 324 * or CN_DEAD. 325 */ 326 if (con_itesoftc.grf == NULL) 327 cd->cn_pri = CN_DEAD; 328 else { 329 cd->cn_pri = con_itesoftc.grf->g_conpri; 330 cd->cn_dev = con_itesoftc.grf->g_itedev; 331 } 332 } 333 334 void 335 itecninit(cd) 336 struct consdev *cd; 337 { 338 struct ite_softc *ip; 339 340 ip = getitesp(cd->cn_dev); 341 ip->flags |= ITE_ISCONS; 342 iteinit(cd->cn_dev); 343 ip->flags |= ITE_ACTIVE | ITE_ISCONS; 344 } 345 346 /* 347 * ite_cnfinish() is called in ite_init() when the device is 348 * being probed in the normal fasion, thus we can finish setting 349 * up this ite now that the system is more functional. 350 */ 351 void 352 ite_cnfinish(ip) 353 struct ite_softc *ip; 354 { 355 static int done; 356 357 if (done) 358 return; 359 done = 1; 360 } 361 362 int 363 itecngetc(dev) 364 dev_t dev; 365 { 366 int c; 367 368 do { 369 c = kbdgetcn(); 370 c = ite_cnfilter(c, ITEFILT_CONSOLE); 371 } while (c == -1); 372 return (c); 373 } 374 375 void 376 itecnputc(dev, c) 377 dev_t dev; 378 int c; 379 { 380 static int paniced; 381 struct ite_softc *ip; 382 char ch; 383 384 ip = getitesp(dev); 385 ch = c; 386 387 if (panicstr && !paniced && 388 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 389 (void)ite_on(dev, 3); 390 paniced = 1; 391 } 392 SUBR_CURSOR(ip, START_CURSOROPT); 393 iteputchar(ch, ip); 394 SUBR_CURSOR(ip, END_CURSOROPT); 395 } 396 397 /* 398 * standard entry points to the device. 399 */ 400 401 /* 402 * iteinit() is the standard entry point for initialization of 403 * an ite device, it is also called from itecninit(). 404 * 405 */ 406 void 407 iteinit(dev) 408 dev_t dev; 409 { 410 struct ite_softc *ip; 411 412 ip = getitesp(dev); 413 if (ip->flags & ITE_INITED) 414 return; 415 if (atari_realconfig) { 416 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap) 417 free(ip->kbdmap, M_DEVBUF); 418 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK); 419 bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap)); 420 } 421 else ip->kbdmap = &ascii_kbdmap; 422 423 ip->cursorx = 0; 424 ip->cursory = 0; 425 SUBR_INIT(ip); 426 SUBR_CURSOR(ip, DRAW_CURSOR); 427 if (ip->tabs == NULL) 428 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 429 ite_reset(ip); 430 ip->flags |= ITE_INITED; 431 } 432 433 int 434 iteopen(dev, mode, devtype, p) 435 dev_t dev; 436 int mode, devtype; 437 struct proc *p; 438 { 439 struct ite_softc *ip; 440 struct tty *tp; 441 int error, first, unit; 442 443 unit = ITEUNIT(dev); 444 first = 0; 445 446 if (((1 << unit) & ite_confunits) == 0) 447 return (ENXIO); 448 449 ip = getitesp(dev); 450 451 if (ip->tp == NULL) { 452 tp = ip->tp = ttymalloc(); 453 tty_attach(tp); 454 } 455 else tp = ip->tp; 456 457 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE) 458 && p->p_ucred->cr_uid != 0) 459 return (EBUSY); 460 if ((ip->flags & ITE_ACTIVE) == 0) { 461 error = ite_on(dev, 0); 462 if (error) 463 return (error); 464 first = 1; 465 } 466 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) { 467 tp->t_oproc = itestart; 468 tp->t_param = ite_param; 469 tp->t_dev = dev; 470 tp->t_iflag = TTYDEF_IFLAG; 471 tp->t_oflag = TTYDEF_OFLAG; 472 tp->t_cflag = TTYDEF_CFLAG; 473 tp->t_lflag = TTYDEF_LFLAG; 474 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 475 tp->t_state = TS_CARR_ON; 476 ttychars(tp); 477 ttsetwater(tp); 478 } 479 480 481 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0); 482 if (error) 483 goto bad; 484 485 error = (*tp->t_linesw->l_open) (dev, tp); 486 if (error) 487 goto bad; 488 489 tp->t_winsize.ws_row = ip->rows; 490 tp->t_winsize.ws_col = ip->cols; 491 if (!kbd_init) { 492 kbd_init = 1; 493 kbdenable(); 494 } 495 return (0); 496 497 498 bad: 499 if (first) 500 ite_off(dev, 0); 501 502 return (error); 503 } 504 505 int 506 iteclose(dev, flag, mode, p) 507 dev_t dev; 508 int flag, mode; 509 struct proc *p; 510 { 511 struct tty *tp; 512 513 tp = getitesp(dev)->tp; 514 515 KDASSERT(tp); 516 (*tp->t_linesw->l_close) (tp, flag); 517 ttyclose(tp); 518 ite_off(dev, 0); 519 return (0); 520 } 521 522 int 523 iteread(dev, uio, flag) 524 dev_t dev; 525 struct uio *uio; 526 int flag; 527 { 528 struct tty *tp; 529 530 tp = getitesp(dev)->tp; 531 532 KDASSERT(tp); 533 return ((*tp->t_linesw->l_read) (tp, uio, flag)); 534 } 535 536 int 537 itewrite(dev, uio, flag) 538 dev_t dev; 539 struct uio *uio; 540 int flag; 541 { 542 struct tty *tp; 543 544 tp = getitesp(dev)->tp; 545 546 KDASSERT(tp); 547 return ((*tp->t_linesw->l_write) (tp, uio, flag)); 548 } 549 550 int 551 itepoll(dev, events, p) 552 dev_t dev; 553 int events; 554 struct proc *p; 555 { 556 struct tty *tp; 557 558 tp = getitesp(dev)->tp; 559 560 KDASSERT(tp); 561 return ((*tp->t_linesw->l_poll)(tp, events, p)); 562 } 563 564 struct tty * 565 itetty(dev) 566 dev_t dev; 567 { 568 return(getitesp(dev)->tp); 569 } 570 571 int 572 iteioctl(dev, cmd, addr, flag, p) 573 dev_t dev; 574 u_long cmd; 575 int flag; 576 caddr_t addr; 577 struct proc *p; 578 { 579 struct iterepeat *irp; 580 struct ite_softc *ip; 581 struct tty *tp; 582 view_t *view; 583 struct itewinsize *is; 584 struct itebell *ib; 585 int error; 586 587 ip = getitesp(dev); 588 tp = ip->tp; 589 view = viewview(ip->grf->g_viewdev); 590 591 KDASSERT(tp); 592 593 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, p); 594 if(error != EPASSTHROUGH) 595 return (error); 596 597 error = ttioctl(tp, cmd, addr, flag, p); 598 if (error != EPASSTHROUGH) 599 return (error); 600 601 switch (cmd) { 602 case ITEIOCSKMAP: 603 if (addr == NULL) 604 return(EFAULT); 605 bcopy(addr, ip->kbdmap, sizeof(struct kbdmap)); 606 return 0; 607 case ITEIOCSSKMAP: 608 if (addr == NULL) 609 return(EFAULT); 610 bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap)); 611 return 0; 612 case ITEIOCGKMAP: 613 if (addr == NULL) 614 return(EFAULT); 615 bcopy(ip->kbdmap, addr, sizeof(struct kbdmap)); 616 return 0; 617 case ITEIOCGREPT: 618 if (addr == NULL) 619 return(EFAULT); 620 irp = (struct iterepeat *)addr; 621 irp->start = start_repeat_timeo; 622 irp->next = next_repeat_timeo; 623 return 0; 624 case ITEIOCSREPT: 625 if (addr == NULL) 626 return(EFAULT); 627 irp = (struct iterepeat *)addr; 628 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT) 629 return(EINVAL); 630 start_repeat_timeo = irp->start; 631 next_repeat_timeo = irp->next; 632 return 0; 633 case ITEIOCGWINSZ: 634 if (addr == NULL) 635 return(EFAULT); 636 is = (struct itewinsize *)addr; 637 is->x = view->display.x; 638 is->y = view->display.y; 639 is->width = view->display.width; 640 is->height = view->display.height; 641 is->depth = view->bitmap->depth; 642 return 0; 643 case ITEIOCDSPWIN: 644 ip->grf->g_mode(ip->grf, GM_GRFON, NULL, 0, 0); 645 return 0; 646 case ITEIOCREMWIN: 647 ip->grf->g_mode(ip->grf, GM_GRFOFF, NULL, 0, 0); 648 return 0; 649 case ITEIOCSBELL: 650 if (addr == NULL) 651 return(EFAULT); 652 ib = (struct itebell *)addr; 653 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec); 654 return 0; 655 case ITEIOCGBELL: 656 if (addr == NULL) 657 return(EFAULT); 658 ib = (struct itebell *)addr; 659 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec); 660 return 0; 661 } 662 return (ip->itexx_ioctl)(ip, cmd, addr, flag, p); 663 } 664 665 void 666 itestart(tp) 667 struct tty *tp; 668 { 669 struct clist *rbp; 670 struct ite_softc *ip; 671 u_char buf[ITEBURST]; 672 int s, len; 673 674 ip = getitesp(tp->t_dev); 675 676 KDASSERT(tp); 677 678 s = spltty(); { 679 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 680 goto out; 681 682 tp->t_state |= TS_BUSY; 683 rbp = &tp->t_outq; 684 685 len = q_to_b(rbp, buf, ITEBURST); 686 } splx(s); 687 688 /* Here is a really good place to implement pre/jumpscroll() */ 689 ite_putstr((char *)buf, len, tp->t_dev); 690 691 s = spltty(); { 692 tp->t_state &= ~TS_BUSY; 693 /* we have characters remaining. */ 694 if (rbp->c_cc) { 695 tp->t_state |= TS_TIMEOUT; 696 callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp); 697 } 698 /* wakeup we are below */ 699 if (rbp->c_cc <= tp->t_lowat) { 700 if (tp->t_state & TS_ASLEEP) { 701 tp->t_state &= ~TS_ASLEEP; 702 wakeup((caddr_t) rbp); 703 } 704 selwakeup(&tp->t_wsel); 705 } 706 out: ; 707 } splx(s); 708 } 709 710 int 711 ite_on(dev, flag) 712 dev_t dev; 713 int flag; 714 { 715 struct ite_softc *ip; 716 int unit; 717 718 unit = ITEUNIT(dev); 719 if (((1 << unit) & ite_confunits) == 0) 720 return (ENXIO); 721 722 ip = getitesp(dev); 723 724 /* force ite active, overriding graphics mode */ 725 if (flag & 1) { 726 ip->flags |= ITE_ACTIVE; 727 ip->flags &= ~(ITE_INGRF | ITE_INITED); 728 } 729 /* leave graphics mode */ 730 if (flag & 2) { 731 ip->flags &= ~ITE_INGRF; 732 if ((ip->flags & ITE_ACTIVE) == 0) 733 return (0); 734 } 735 ip->flags |= ITE_ACTIVE; 736 if (ip->flags & ITE_INGRF) 737 return (0); 738 iteinit(dev); 739 return (0); 740 } 741 742 void 743 ite_off(dev, flag) 744 dev_t dev; 745 int flag; 746 { 747 struct ite_softc *ip; 748 749 ip = getitesp(dev); 750 if (flag & 2) 751 ip->flags |= ITE_INGRF; 752 if ((ip->flags & ITE_ACTIVE) == 0) 753 return; 754 if ((flag & 1) || 755 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 756 SUBR_DEINIT(ip); 757 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */ 758 ip->flags &= ~ITE_ACTIVE; 759 } 760 761 static void 762 ite_switch(unit) 763 int unit; 764 { 765 struct ite_softc *ip; 766 extern const struct cdevsw view_cdevsw; 767 768 if(!(ite_confunits & (1 << unit))) 769 return; /* Don't try unconfigured units */ 770 ip = getitesp(unit); 771 if(!(ip->flags & ITE_INITED)) 772 return; 773 774 /* 775 * If switching to an active ite, also switch the keyboard. 776 */ 777 if(ip->flags & ITE_ACTIVE) 778 kbd_ite = ip; 779 780 /* 781 * Now make it visible 782 */ 783 (*view_cdevsw.d_ioctl)(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 784 0, NOPROC); 785 786 /* 787 * Make sure the cursor's there too.... 788 */ 789 SUBR_CURSOR(ip, DRAW_CURSOR); 790 } 791 792 /* XXX called after changes made in underlying grf layer. */ 793 /* I want to nuke this */ 794 void 795 ite_reinit(dev) 796 dev_t dev; 797 { 798 struct ite_softc *ip; 799 800 ip = getitesp(dev); 801 ip->flags &= ~ITE_INITED; 802 iteinit(dev); 803 } 804 805 int 806 ite_param(tp, t) 807 struct tty *tp; 808 struct termios *t; 809 { 810 tp->t_ispeed = t->c_ispeed; 811 tp->t_ospeed = t->c_ospeed; 812 tp->t_cflag = t->c_cflag; 813 return (0); 814 } 815 816 void 817 ite_reset(ip) 818 struct ite_softc *ip; 819 { 820 int i; 821 822 ip->curx = 0; 823 ip->cury = 0; 824 ip->attribute = ATTR_NOR; 825 ip->save_curx = 0; 826 ip->save_cury = 0; 827 ip->save_attribute = ATTR_NOR; 828 ip->ap = ip->argbuf; 829 ip->emul_level = 0; 830 ip->eightbit_C1 = 0; 831 ip->top_margin = 0; 832 ip->bottom_margin = ip->rows - 1; 833 ip->inside_margins = 0; 834 ip->linefeed_newline = 0; 835 ip->auto_wrap = ite_default_wrap; 836 ip->cursor_appmode = 0; 837 ip->keypad_appmode = 0; 838 ip->imode = 0; 839 ip->key_repeat = 1; 840 bzero(ip->tabs, ip->cols); 841 for (i = 0; i < ip->cols; i++) 842 ip->tabs[i] = ((i & 7) == 0); 843 } 844 845 /* 846 * has to be global because of the shared filters. 847 */ 848 static u_char last_dead; 849 850 /* 851 * Used in console at startup only and for DDB. 852 */ 853 int 854 ite_cnfilter(c, caller) 855 u_int c; 856 enum caller caller; 857 { 858 struct key key; 859 struct kbdmap *kbdmap; 860 u_char code, up, mask; 861 int s; 862 863 up = KBD_RELEASED(c); 864 c = KBD_SCANCODE(c); 865 code = 0; 866 mask = 0; 867 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap; 868 869 s = spltty(); 870 871 /* 872 * No special action if key released 873 */ 874 if(up) { 875 splx(s); 876 return -1; 877 } 878 879 /* translate modifiers */ 880 if(kbd_modifier & KBD_MOD_SHIFT) { 881 if(kbd_modifier & KBD_MOD_ALT) 882 key = kbdmap->alt_shift_keys[c]; 883 else key = kbdmap->shift_keys[c]; 884 } 885 else if(kbd_modifier & KBD_MOD_ALT) 886 key = kbdmap->alt_keys[c]; 887 else { 888 key = kbdmap->keys[c]; 889 /* 890 * If CAPS and key is CAPable (no pun intended) 891 */ 892 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 893 key = kbdmap->shift_keys[c]; 894 } 895 code = key.code; 896 897 #ifdef notyet /* LWP: Didn't have time to look at this yet */ 898 /* 899 * If string return simple console filter 900 */ 901 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 902 splx(s); 903 return -1; 904 } 905 /* handle dead keys */ 906 if(key->mode & KBD_MODE_DEAD) { 907 /* if entered twice, send accent itself */ 908 if (last_dead == key->mode & KBD_MODE_ACCMASK) 909 last_dead = 0; 910 else { 911 last_dead = key->mode & KBD_MODE_ACCMASK; 912 splx(s); 913 return -1; 914 } 915 } 916 if(last_dead) { 917 /* can't apply dead flag to string-keys */ 918 if (code >= '@' && code < 0x7f) 919 code = 920 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 921 last_dead = 0; 922 } 923 #endif 924 if(kbd_modifier & KBD_MOD_CTRL) 925 code &= 0x1f; 926 927 /* 928 * Do console mapping. 929 */ 930 code = code == '\r' ? '\n' : code; 931 932 splx(s); 933 return (code); 934 } 935 936 /* And now the old stuff. */ 937 938 /* these are used to implement repeating keys.. */ 939 static u_int last_char; 940 static u_char tout_pending; 941 942 static struct callout repeat_ch = CALLOUT_INITIALIZER; 943 944 /*ARGSUSED*/ 945 static void 946 repeat_handler(arg) 947 void *arg; 948 { 949 tout_pending = 0; 950 if(last_char) 951 add_sicallback((si_farg)ite_filter, (void *)last_char, 952 (void *)ITEFILT_REPEATER); 953 } 954 955 void 956 ite_filter(c, caller) 957 u_int c; 958 enum caller caller; 959 { 960 struct tty *kbd_tty; 961 struct kbdmap *kbdmap; 962 u_char code, *str, up, mask; 963 struct key key; 964 int s, i; 965 966 if(kbd_ite == NULL) 967 return; 968 969 kbd_tty = kbd_ite->tp; 970 kbdmap = kbd_ite->kbdmap; 971 972 up = KBD_RELEASED(c); 973 c = KBD_SCANCODE(c); 974 code = 0; 975 mask = 0; 976 977 /* have to make sure we're at spltty in here */ 978 s = spltty(); 979 980 /* 981 * keyboard interrupts come at priority 2, while softint 982 * generated keyboard-repeat interrupts come at level 1. So, 983 * to not allow a key-up event to get thru before a repeat for 984 * the key-down, we remove any outstanding callout requests.. 985 */ 986 rem_sicallback((si_farg)ite_filter); 987 988 /* 989 * Stop repeating on up event 990 */ 991 if (up) { 992 if(tout_pending) { 993 callout_stop(&repeat_ch); 994 tout_pending = 0; 995 last_char = 0; 996 } 997 splx(s); 998 return; 999 } 1000 else if(tout_pending && last_char != c) { 1001 /* 1002 * Different character, stop also 1003 */ 1004 callout_stop(&repeat_ch); 1005 tout_pending = 0; 1006 last_char = 0; 1007 } 1008 1009 /* 1010 * Handle ite-switching ALT + Fx 1011 */ 1012 if((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) { 1013 ite_switch(c - 0x3b); 1014 splx(s); 1015 return; 1016 } 1017 /* 1018 * Safety button, switch back to ascii keymap. 1019 */ 1020 if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) { 1021 /* ALT + LSHIFT + F1 */ 1022 bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap)); 1023 splx(s); 1024 return; 1025 #ifdef DDB 1026 } 1027 else if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) { 1028 /* 1029 * ALT + LSHIFT + F9 -> Debugger! 1030 */ 1031 Debugger(); 1032 splx(s); 1033 return; 1034 #endif 1035 } 1036 1037 /* 1038 * The rest of the code is senseless when the device is not open. 1039 */ 1040 if(kbd_tty == NULL) { 1041 splx(s); 1042 return; 1043 } 1044 1045 /* 1046 * Translate modifiers 1047 */ 1048 if(kbd_modifier & KBD_MOD_SHIFT) { 1049 if(kbd_modifier & KBD_MOD_ALT) 1050 key = kbdmap->alt_shift_keys[c]; 1051 else key = kbdmap->shift_keys[c]; 1052 } 1053 else if(kbd_modifier & KBD_MOD_ALT) 1054 key = kbdmap->alt_keys[c]; 1055 else { 1056 key = kbdmap->keys[c]; 1057 /* 1058 * If CAPS and key is CAPable (no pun intended) 1059 */ 1060 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 1061 key = kbdmap->shift_keys[c]; 1062 } 1063 code = key.code; 1064 1065 /* 1066 * Arrange to repeat the keystroke. By doing this at the level 1067 * of scan-codes, we can have function keys, and keys that 1068 * send strings, repeat too. This also entitles an additional 1069 * overhead, since we have to do the conversion each time, but 1070 * I guess that's ok. 1071 */ 1072 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 1073 tout_pending = 1; 1074 last_char = c; 1075 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100, 1076 repeat_handler, NULL); 1077 } 1078 else if(!tout_pending && caller==ITEFILT_REPEATER 1079 && kbd_ite->key_repeat) { 1080 tout_pending = 1; 1081 last_char = c; 1082 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100, 1083 repeat_handler, NULL); 1084 } 1085 /* handle dead keys */ 1086 if (key.mode & KBD_MODE_DEAD) { 1087 /* if entered twice, send accent itself */ 1088 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 1089 last_dead = 0; 1090 else { 1091 last_dead = key.mode & KBD_MODE_ACCMASK; 1092 splx(s); 1093 return; 1094 } 1095 } 1096 if (last_dead) { 1097 /* can't apply dead flag to string-keys */ 1098 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 1099 code < 0x7f) 1100 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 1101 last_dead = 0; 1102 } 1103 1104 /* 1105 * If not string, apply CTRL modifiers 1106 */ 1107 if(!(key.mode & KBD_MODE_STRING) 1108 && (!(key.mode & KBD_MODE_KPAD) 1109 || (kbd_ite && !kbd_ite->keypad_appmode))) { 1110 if(kbd_modifier & KBD_MOD_CTRL) 1111 code &= 0x1f; 1112 } 1113 else if((key.mode & KBD_MODE_KPAD) 1114 && (kbd_ite && kbd_ite->keypad_appmode)) { 1115 static char *in = "0123456789-+.\r()/*"; 1116 static char *out = "pqrstuvwxymlnMPQRS"; 1117 char *cp = index(in, code); 1118 1119 /* 1120 * keypad-appmode sends SS3 followed by the above 1121 * translated character 1122 */ 1123 kbd_tty->t_linesw->l_rint(27, kbd_tty); 1124 kbd_tty->t_linesw->l_rint('O', kbd_tty); 1125 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty); 1126 splx(s); 1127 return; 1128 } else { 1129 /* *NO* I don't like this.... */ 1130 static u_char app_cursor[] = 1131 { 1132 3, 27, 'O', 'A', 1133 3, 27, 'O', 'B', 1134 3, 27, 'O', 'C', 1135 3, 27, 'O', 'D'}; 1136 1137 str = kbdmap->strings + code; 1138 /* 1139 * if this is a cursor key, AND it has the default 1140 * keymap setting, AND we're in app-cursor mode, switch 1141 * to the above table. This is *nasty* ! 1142 */ 1143 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50)) 1144 && kbd_ite->cursor_appmode 1145 && !bcmp(str, "\x03\x1b[", 3) && 1146 index("ABCD", str[3])) 1147 str = app_cursor + 4 * (str[3] - 'A'); 1148 1149 /* 1150 * using a length-byte instead of 0-termination allows 1151 * to embed \0 into strings, although this is not used 1152 * in the default keymap 1153 */ 1154 for (i = *str++; i; i--) 1155 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1156 splx(s); 1157 return; 1158 } 1159 kbd_tty->t_linesw->l_rint(code, kbd_tty); 1160 1161 splx(s); 1162 return; 1163 } 1164 1165 /* helper functions, makes the code below more readable */ 1166 static __inline__ void 1167 ite_sendstr(str) 1168 char *str; 1169 { 1170 struct tty *kbd_tty; 1171 1172 kbd_tty = kbd_ite->tp; 1173 KDASSERT(kbd_tty); 1174 while (*str) 1175 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1176 } 1177 1178 static void 1179 alignment_display(ip) 1180 struct ite_softc *ip; 1181 { 1182 int i, j; 1183 1184 for (j = 0; j < ip->rows; j++) 1185 for (i = 0; i < ip->cols; i++) 1186 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR); 1187 attrclr(ip, 0, 0, ip->rows, ip->cols); 1188 SUBR_CURSOR(ip, DRAW_CURSOR); 1189 } 1190 1191 static __inline__ void 1192 snap_cury(ip) 1193 struct ite_softc *ip; 1194 { 1195 if (ip->inside_margins) 1196 { 1197 if (ip->cury < ip->top_margin) 1198 ip->cury = ip->top_margin; 1199 if (ip->cury > ip->bottom_margin) 1200 ip->cury = ip->bottom_margin; 1201 } 1202 } 1203 1204 static __inline__ void 1205 ite_dnchar(ip, n) 1206 struct ite_softc *ip; 1207 int n; 1208 { 1209 n = min(n, ip->cols - ip->curx); 1210 if (n < ip->cols - ip->curx) 1211 { 1212 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT); 1213 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx, 1214 1, ip->cols - ip->curx - n); 1215 attrclr(ip, ip->cury, ip->cols - n, 1, n); 1216 } 1217 while (n-- > 0) 1218 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR); 1219 SUBR_CURSOR(ip, DRAW_CURSOR); 1220 } 1221 1222 static __inline__ void 1223 ite_inchar(ip, n) 1224 struct ite_softc *ip; 1225 int n; 1226 { 1227 n = min(n, ip->cols - ip->curx); 1228 if (n < ip->cols - ip->curx) 1229 { 1230 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT); 1231 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n, 1232 1, ip->cols - ip->curx - n); 1233 attrclr(ip, ip->cury, ip->curx, 1, n); 1234 } 1235 while (n--) 1236 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1237 SUBR_CURSOR(ip, DRAW_CURSOR); 1238 } 1239 1240 static __inline__ void 1241 ite_clrtoeol(ip) 1242 struct ite_softc *ip; 1243 { 1244 int y = ip->cury, x = ip->curx; 1245 if (ip->cols - x > 0) 1246 { 1247 SUBR_CLEAR(ip, y, x, 1, ip->cols - x); 1248 attrclr(ip, y, x, 1, ip->cols - x); 1249 SUBR_CURSOR(ip, DRAW_CURSOR); 1250 } 1251 } 1252 1253 static __inline__ void 1254 ite_clrtobol(ip) 1255 struct ite_softc *ip; 1256 { 1257 int y = ip->cury, x = min(ip->curx + 1, ip->cols); 1258 SUBR_CLEAR(ip, y, 0, 1, x); 1259 attrclr(ip, y, 0, 1, x); 1260 SUBR_CURSOR(ip, DRAW_CURSOR); 1261 } 1262 1263 static __inline__ void 1264 ite_clrline(ip) 1265 struct ite_softc *ip; 1266 { 1267 int y = ip->cury; 1268 SUBR_CLEAR(ip, y, 0, 1, ip->cols); 1269 attrclr(ip, y, 0, 1, ip->cols); 1270 SUBR_CURSOR(ip, DRAW_CURSOR); 1271 } 1272 1273 1274 1275 static __inline__ void 1276 ite_clrtoeos(ip) 1277 struct ite_softc *ip; 1278 { 1279 ite_clrtoeol(ip); 1280 if (ip->cury < ip->rows - 1) 1281 { 1282 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols); 1283 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols); 1284 SUBR_CURSOR(ip, DRAW_CURSOR); 1285 } 1286 } 1287 1288 static __inline__ void 1289 ite_clrtobos(ip) 1290 struct ite_softc *ip; 1291 { 1292 ite_clrtobol(ip); 1293 if (ip->cury > 0) 1294 { 1295 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols); 1296 attrclr(ip, 0, 0, ip->cury, ip->cols); 1297 SUBR_CURSOR(ip, DRAW_CURSOR); 1298 } 1299 } 1300 1301 static __inline__ void 1302 ite_clrscreen(ip) 1303 struct ite_softc *ip; 1304 { 1305 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols); 1306 attrclr(ip, 0, 0, ip->rows, ip->cols); 1307 SUBR_CURSOR(ip, DRAW_CURSOR); 1308 } 1309 1310 1311 1312 static __inline__ void 1313 ite_dnline(ip, n) 1314 struct ite_softc *ip; 1315 int n; 1316 { 1317 /* interesting.. if the cursor is outside the scrolling 1318 region, this command is simply ignored.. */ 1319 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1320 return; 1321 1322 n = min(n, ip->bottom_margin + 1 - ip->cury); 1323 if (n <= ip->bottom_margin - ip->cury) 1324 { 1325 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP); 1326 attrmov(ip, ip->cury + n, 0, ip->cury, 0, 1327 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1328 } 1329 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1330 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1331 SUBR_CURSOR(ip, DRAW_CURSOR); 1332 } 1333 1334 static __inline__ void 1335 ite_inline(ip, n) 1336 struct ite_softc *ip; 1337 int n; 1338 { 1339 /* interesting.. if the cursor is outside the scrolling 1340 region, this command is simply ignored.. */ 1341 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1342 return; 1343 1344 n = min(n, ip->bottom_margin + 1 - ip->cury); 1345 if (n <= ip->bottom_margin - ip->cury) 1346 { 1347 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN); 1348 attrmov(ip, ip->cury, 0, ip->cury + n, 0, 1349 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1350 } 1351 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols); 1352 attrclr(ip, ip->cury, 0, n, ip->cols); 1353 SUBR_CURSOR(ip, DRAW_CURSOR); 1354 } 1355 1356 static __inline__ void 1357 ite_lf (ip) 1358 struct ite_softc *ip; 1359 { 1360 ++ip->cury; 1361 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows)) 1362 { 1363 ip->cury--; 1364 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1365 ite_clrline(ip); 1366 } 1367 SUBR_CURSOR(ip, MOVE_CURSOR); 1368 clr_attr(ip, ATTR_INV); 1369 } 1370 1371 static __inline__ void 1372 ite_crlf (ip) 1373 struct ite_softc *ip; 1374 { 1375 ip->curx = 0; 1376 ite_lf (ip); 1377 } 1378 1379 static __inline__ void 1380 ite_cr (ip) 1381 struct ite_softc *ip; 1382 { 1383 if (ip->curx) 1384 { 1385 ip->curx = 0; 1386 SUBR_CURSOR(ip, MOVE_CURSOR); 1387 } 1388 } 1389 1390 static __inline__ void 1391 ite_rlf (ip) 1392 struct ite_softc *ip; 1393 { 1394 ip->cury--; 1395 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1)) 1396 { 1397 ip->cury++; 1398 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN); 1399 ite_clrline(ip); 1400 } 1401 SUBR_CURSOR(ip, MOVE_CURSOR); 1402 clr_attr(ip, ATTR_INV); 1403 } 1404 1405 static __inline__ int 1406 atoi (cp) 1407 const char *cp; 1408 { 1409 int n; 1410 1411 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1412 n = n * 10 + *cp - '0'; 1413 1414 return n; 1415 } 1416 1417 static char * 1418 index (cp, ch) 1419 const char *cp; 1420 int ch; 1421 { 1422 while (*cp && *cp != ch) cp++; 1423 return *cp ? (char *) cp : 0; 1424 } 1425 1426 1427 static __inline__ int 1428 ite_argnum (ip) 1429 struct ite_softc *ip; 1430 { 1431 char ch; 1432 int n; 1433 1434 /* convert argument string into number */ 1435 if (ip->ap == ip->argbuf) 1436 return 1; 1437 ch = *ip->ap; 1438 *ip->ap = 0; 1439 n = atoi (ip->argbuf); 1440 *ip->ap = ch; 1441 1442 return n; 1443 } 1444 1445 static __inline__ int 1446 ite_zargnum (ip) 1447 struct ite_softc *ip; 1448 { 1449 char ch; 1450 int n; 1451 1452 /* convert argument string into number */ 1453 if (ip->ap == ip->argbuf) 1454 return 0; 1455 ch = *ip->ap; 1456 *ip->ap = 0; 1457 n = atoi (ip->argbuf); 1458 *ip->ap = ch; 1459 1460 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1461 } 1462 1463 void 1464 ite_putstr(s, len, dev) 1465 const u_char *s; 1466 int len; 1467 dev_t dev; 1468 { 1469 struct ite_softc *ip; 1470 int i; 1471 1472 ip = getitesp(dev); 1473 1474 /* XXX avoid problems */ 1475 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1476 return; 1477 1478 SUBR_CURSOR(ip, START_CURSOROPT); 1479 for (i = 0; i < len; i++) 1480 if (s[i]) 1481 iteputchar(s[i], ip); 1482 SUBR_CURSOR(ip, END_CURSOROPT); 1483 } 1484 1485 1486 void 1487 iteputchar(c, ip) 1488 register int c; 1489 struct ite_softc *ip; 1490 { 1491 struct tty *kbd_tty; 1492 int n, x, y; 1493 char *cp; 1494 1495 if (kbd_ite == NULL) 1496 kbd_tty = NULL; 1497 else 1498 kbd_tty = kbd_ite->tp; 1499 1500 if (ip->escape) 1501 { 1502 switch (ip->escape) 1503 { 1504 case ESC: 1505 switch (c) 1506 { 1507 /* first 7bit equivalents for the 8bit control characters */ 1508 1509 case 'D': 1510 c = IND; 1511 ip->escape = 0; 1512 break; /* and fall into the next switch below (same for all `break') */ 1513 1514 case 'E': 1515 c = NEL; 1516 ip->escape = 0; 1517 break; 1518 1519 case 'H': 1520 c = HTS; 1521 ip->escape = 0; 1522 break; 1523 1524 case 'M': 1525 c = RI; 1526 ip->escape = 0; 1527 break; 1528 1529 case 'N': 1530 c = SS2; 1531 ip->escape = 0; 1532 break; 1533 1534 case 'O': 1535 c = SS3; 1536 ip->escape = 0; 1537 break; 1538 1539 case 'P': 1540 c = DCS; 1541 ip->escape = 0; 1542 break; 1543 1544 case '[': 1545 c = CSI; 1546 ip->escape = 0; 1547 break; 1548 1549 case '\\': 1550 c = ST; 1551 ip->escape = 0; 1552 break; 1553 1554 case ']': 1555 c = OSC; 1556 ip->escape = 0; 1557 break; 1558 1559 case '^': 1560 c = PM; 1561 ip->escape = 0; 1562 break; 1563 1564 case '_': 1565 c = APC; 1566 ip->escape = 0; 1567 break; 1568 1569 1570 /* introduces 7/8bit control */ 1571 case ' ': 1572 /* can be followed by either F or G */ 1573 ip->escape = ' '; 1574 break; 1575 1576 1577 /* a lot of character set selections, not yet used... 1578 94-character sets: */ 1579 case '(': /* G0 */ 1580 case ')': /* G1 */ 1581 ip->escape = c; 1582 return; 1583 1584 case '*': /* G2 */ 1585 case '+': /* G3 */ 1586 case 'B': /* ASCII */ 1587 case 'A': /* ISO latin 1 */ 1588 case '<': /* user preferred suplemental */ 1589 case '0': /* dec special graphics */ 1590 1591 /* 96-character sets: */ 1592 case '-': /* G1 */ 1593 case '.': /* G2 */ 1594 case '/': /* G3 */ 1595 1596 /* national character sets: */ 1597 case '4': /* dutch */ 1598 case '5': 1599 case 'C': /* finnish */ 1600 case 'R': /* french */ 1601 case 'Q': /* french canadian */ 1602 case 'K': /* german */ 1603 case 'Y': /* italian */ 1604 case '6': /* norwegian/danish */ 1605 /* note: %5 and %6 are not supported (two chars..) */ 1606 1607 ip->escape = 0; 1608 /* just ignore for now */ 1609 return; 1610 1611 1612 /* locking shift modes (as you might guess, not yet supported..) */ 1613 case '`': 1614 ip->GR = ip->G1; 1615 ip->escape = 0; 1616 return; 1617 1618 case 'n': 1619 ip->GL = ip->G2; 1620 ip->escape = 0; 1621 return; 1622 1623 case '}': 1624 ip->GR = ip->G2; 1625 ip->escape = 0; 1626 return; 1627 1628 case 'o': 1629 ip->GL = ip->G3; 1630 ip->escape = 0; 1631 return; 1632 1633 case '|': 1634 ip->GR = ip->G3; 1635 ip->escape = 0; 1636 return; 1637 1638 1639 /* font width/height control */ 1640 case '#': 1641 ip->escape = '#'; 1642 return; 1643 1644 1645 /* hard terminal reset .. */ 1646 case 'c': 1647 ite_reset (ip); 1648 SUBR_CURSOR(ip, MOVE_CURSOR); 1649 ip->escape = 0; 1650 return; 1651 1652 1653 case '7': 1654 ip->save_curx = ip->curx; 1655 ip->save_cury = ip->cury; 1656 ip->save_attribute = ip->attribute; 1657 ip->escape = 0; 1658 return; 1659 1660 case '8': 1661 ip->curx = ip->save_curx; 1662 ip->cury = ip->save_cury; 1663 ip->attribute = ip->save_attribute; 1664 SUBR_CURSOR(ip, MOVE_CURSOR); 1665 ip->escape = 0; 1666 return; 1667 1668 case '=': 1669 ip->keypad_appmode = 1; 1670 ip->escape = 0; 1671 return; 1672 1673 case '>': 1674 ip->keypad_appmode = 0; 1675 ip->escape = 0; 1676 return; 1677 1678 case 'Z': /* request ID */ 1679 if (ip->emul_level == EMUL_VT100) 1680 ite_sendstr ("\033[?61;0c"); /* XXX not clean */ 1681 else 1682 ite_sendstr ("\033[?63;0c"); /* XXX not clean */ 1683 ip->escape = 0; 1684 return; 1685 1686 /* default catch all for not recognized ESC sequences */ 1687 default: 1688 ip->escape = 0; 1689 return; 1690 } 1691 break; 1692 1693 1694 case '(': 1695 case ')': 1696 ip->escape = 0; 1697 return; 1698 1699 1700 case ' ': 1701 switch (c) 1702 { 1703 case 'F': 1704 ip->eightbit_C1 = 0; 1705 ip->escape = 0; 1706 return; 1707 1708 case 'G': 1709 ip->eightbit_C1 = 1; 1710 ip->escape = 0; 1711 return; 1712 1713 default: 1714 /* not supported */ 1715 ip->escape = 0; 1716 return; 1717 } 1718 break; 1719 1720 1721 case '#': 1722 switch (c) 1723 { 1724 case '5': 1725 /* single height, single width */ 1726 ip->escape = 0; 1727 return; 1728 1729 case '6': 1730 /* double width, single height */ 1731 ip->escape = 0; 1732 return; 1733 1734 case '3': 1735 /* top half */ 1736 ip->escape = 0; 1737 return; 1738 1739 case '4': 1740 /* bottom half */ 1741 ip->escape = 0; 1742 return; 1743 1744 case '8': 1745 /* screen alignment pattern... */ 1746 alignment_display (ip); 1747 ip->escape = 0; 1748 return; 1749 1750 default: 1751 ip->escape = 0; 1752 return; 1753 } 1754 break; 1755 1756 1757 1758 case CSI: 1759 /* the biggie... */ 1760 switch (c) 1761 { 1762 case '0': case '1': case '2': case '3': case '4': 1763 case '5': case '6': case '7': case '8': case '9': 1764 case ';': case '\"': case '$': case '>': 1765 if (ip->ap < ip->argbuf + MAX_ARGSIZE) 1766 *ip->ap++ = c; 1767 return; 1768 1769 case BS: 1770 /* you wouldn't believe such perversion is possible? 1771 it is.. BS is allowed in between cursor sequences 1772 (at least), according to vttest.. */ 1773 if (--ip->curx < 0) 1774 ip->curx = 0; 1775 else 1776 SUBR_CURSOR(ip, MOVE_CURSOR); 1777 break; 1778 1779 case 'p': 1780 *ip->ap = 0; 1781 if (! strncmp (ip->argbuf, "61\"", 3)) 1782 ip->emul_level = EMUL_VT100; 1783 else if (! strncmp (ip->argbuf, "63;1\"", 5) 1784 || ! strncmp (ip->argbuf, "62;1\"", 5)) 1785 ip->emul_level = EMUL_VT300_7; 1786 else 1787 ip->emul_level = EMUL_VT300_8; 1788 ip->escape = 0; 1789 return; 1790 1791 1792 case '?': 1793 *ip->ap = 0; 1794 ip->escape = '?'; 1795 ip->ap = ip->argbuf; 1796 return; 1797 1798 1799 case 'c': 1800 *ip->ap = 0; 1801 if (ip->argbuf[0] == '>') 1802 { 1803 ite_sendstr ("\033[>24;0;0;0c"); 1804 } 1805 else switch (ite_zargnum(ip)) 1806 { 1807 case 0: 1808 /* primary DA request, send primary DA response */ 1809 if (ip->emul_level == EMUL_VT100) 1810 ite_sendstr ("\033[?1;1c"); 1811 else 1812 ite_sendstr ("\033[?63;1c"); 1813 break; 1814 } 1815 ip->escape = 0; 1816 return; 1817 1818 case 'n': 1819 switch (ite_zargnum(ip)) 1820 { 1821 case 5: 1822 ite_sendstr ("\033[0n"); /* no malfunction */ 1823 break; 1824 case 6: 1825 /* cursor position report */ 1826 sprintf (ip->argbuf, "\033[%d;%dR", 1827 ip->cury + 1, ip->curx + 1); 1828 ite_sendstr (ip->argbuf); 1829 break; 1830 } 1831 ip->escape = 0; 1832 return; 1833 1834 1835 case 'x': 1836 switch (ite_zargnum(ip)) 1837 { 1838 case 0: 1839 /* Fake some terminal parameters. */ 1840 ite_sendstr ("\033[2;1;1;112;112;1;0x"); 1841 break; 1842 case 1: 1843 ite_sendstr ("\033[3;1;1;112;112;1;0x"); 1844 break; 1845 } 1846 ip->escape = 0; 1847 return; 1848 1849 1850 case 'g': 1851 switch (ite_zargnum(ip)) 1852 { 1853 case 0: 1854 if (ip->curx < ip->cols) 1855 ip->tabs[ip->curx] = 0; 1856 break; 1857 case 3: 1858 for (n = 0; n < ip->cols; n++) 1859 ip->tabs[n] = 0; 1860 break; 1861 } 1862 ip->escape = 0; 1863 return; 1864 1865 1866 case 'h': case 'l': 1867 n = ite_zargnum (ip); 1868 switch (n) 1869 { 1870 case 4: 1871 ip->imode = (c == 'h'); /* insert/replace mode */ 1872 break; 1873 case 20: 1874 ip->linefeed_newline = (c == 'h'); 1875 break; 1876 } 1877 ip->escape = 0; 1878 return; 1879 1880 1881 case 'M': 1882 ite_dnline (ip, ite_argnum (ip)); 1883 ip->escape = 0; 1884 return; 1885 1886 1887 case 'L': 1888 ite_inline (ip, ite_argnum (ip)); 1889 ip->escape = 0; 1890 return; 1891 1892 1893 case 'P': 1894 ite_dnchar (ip, ite_argnum (ip)); 1895 ip->escape = 0; 1896 return; 1897 1898 1899 case '@': 1900 ite_inchar (ip, ite_argnum (ip)); 1901 ip->escape = 0; 1902 return; 1903 1904 1905 case 'G': 1906 /* this one was *not* in my vt320 manual but in 1907 a vt320 termcap entry.. who is right? 1908 It's supposed to set the horizontal cursor position. */ 1909 *ip->ap = 0; 1910 x = atoi (ip->argbuf); 1911 if (x) x--; 1912 ip->curx = min(x, ip->cols - 1); 1913 ip->escape = 0; 1914 SUBR_CURSOR(ip, MOVE_CURSOR); 1915 clr_attr (ip, ATTR_INV); 1916 return; 1917 1918 1919 case 'd': 1920 /* same thing here, this one's for setting the absolute 1921 vertical cursor position. Not documented... */ 1922 *ip->ap = 0; 1923 y = atoi (ip->argbuf); 1924 if (y) y--; 1925 if (ip->inside_margins) 1926 y += ip->top_margin; 1927 ip->cury = min(y, ip->rows - 1); 1928 ip->escape = 0; 1929 snap_cury(ip); 1930 SUBR_CURSOR(ip, MOVE_CURSOR); 1931 clr_attr (ip, ATTR_INV); 1932 return; 1933 1934 1935 case 'H': 1936 case 'f': 1937 *ip->ap = 0; 1938 y = atoi (ip->argbuf); 1939 x = 0; 1940 cp = index (ip->argbuf, ';'); 1941 if (cp) 1942 x = atoi (cp + 1); 1943 if (x) x--; 1944 if (y) y--; 1945 if (ip->inside_margins) 1946 y += ip->top_margin; 1947 ip->cury = min(y, ip->rows - 1); 1948 ip->curx = min(x, ip->cols - 1); 1949 ip->escape = 0; 1950 snap_cury(ip); 1951 SUBR_CURSOR(ip, MOVE_CURSOR); 1952 clr_attr (ip, ATTR_INV); 1953 return; 1954 1955 case 'A': 1956 n = ite_argnum (ip); 1957 n = ip->cury - (n ? n : 1); 1958 if (n < 0) n = 0; 1959 if (ip->inside_margins) 1960 n = max(ip->top_margin, n); 1961 else if (n == ip->top_margin - 1) 1962 /* allow scrolling outside region, but don't scroll out 1963 of active region without explicit CUP */ 1964 n = ip->top_margin; 1965 ip->cury = n; 1966 ip->escape = 0; 1967 SUBR_CURSOR(ip, MOVE_CURSOR); 1968 clr_attr (ip, ATTR_INV); 1969 return; 1970 1971 case 'B': 1972 n = ite_argnum (ip); 1973 n = ip->cury + (n ? n : 1); 1974 n = min(ip->rows - 1, n); 1975 if (ip->inside_margins) 1976 n = min(ip->bottom_margin, n); 1977 else if (n == ip->bottom_margin + 1) 1978 /* allow scrolling outside region, but don't scroll out 1979 of active region without explicit CUP */ 1980 n = ip->bottom_margin; 1981 ip->cury = n; 1982 ip->escape = 0; 1983 SUBR_CURSOR(ip, MOVE_CURSOR); 1984 clr_attr (ip, ATTR_INV); 1985 return; 1986 1987 case 'C': 1988 n = ite_argnum (ip); 1989 n = n ? n : 1; 1990 ip->curx = min(ip->curx + n, ip->cols - 1); 1991 ip->escape = 0; 1992 SUBR_CURSOR(ip, MOVE_CURSOR); 1993 clr_attr (ip, ATTR_INV); 1994 return; 1995 1996 case 'D': 1997 n = ite_argnum (ip); 1998 n = n ? n : 1; 1999 n = ip->curx - n; 2000 ip->curx = n >= 0 ? n : 0; 2001 ip->escape = 0; 2002 SUBR_CURSOR(ip, MOVE_CURSOR); 2003 clr_attr (ip, ATTR_INV); 2004 return; 2005 2006 2007 2008 2009 case 'J': 2010 *ip->ap = 0; 2011 n = ite_zargnum (ip); 2012 if (n == 0) 2013 ite_clrtoeos(ip); 2014 else if (n == 1) 2015 ite_clrtobos(ip); 2016 else if (n == 2) 2017 ite_clrscreen(ip); 2018 ip->escape = 0; 2019 return; 2020 2021 2022 case 'K': 2023 n = ite_zargnum (ip); 2024 if (n == 0) 2025 ite_clrtoeol(ip); 2026 else if (n == 1) 2027 ite_clrtobol(ip); 2028 else if (n == 2) 2029 ite_clrline(ip); 2030 ip->escape = 0; 2031 return; 2032 2033 2034 case 'X': 2035 n = ite_argnum(ip) - 1; 2036 n = min(n, ip->cols - 1 - ip->curx); 2037 for (; n >= 0; n--) 2038 { 2039 attrclr(ip, ip->cury, ip->curx + n, 1, 1); 2040 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 2041 } 2042 ip->escape = 0; 2043 return; 2044 2045 2046 case '}': case '`': 2047 /* status line control */ 2048 ip->escape = 0; 2049 return; 2050 2051 2052 case 'r': 2053 *ip->ap = 0; 2054 x = atoi (ip->argbuf); 2055 x = x ? x : 1; 2056 y = ip->rows; 2057 cp = index (ip->argbuf, ';'); 2058 if (cp) 2059 { 2060 y = atoi (cp + 1); 2061 y = y ? y : ip->rows; 2062 } 2063 if (y - x < 2) 2064 { 2065 /* if illegal scrolling region, reset to defaults */ 2066 x = 1; 2067 y = ip->rows; 2068 } 2069 x--; 2070 y--; 2071 ip->top_margin = min(x, ip->rows - 1); 2072 ip->bottom_margin = min(y, ip->rows - 1); 2073 if (ip->inside_margins) 2074 { 2075 ip->cury = ip->top_margin; 2076 ip->curx = 0; 2077 SUBR_CURSOR(ip, MOVE_CURSOR); 2078 } 2079 ip->escape = 0; 2080 return; 2081 2082 2083 case 'm': 2084 /* big attribute setter/resetter */ 2085 { 2086 char *cp; 2087 *ip->ap = 0; 2088 /* kludge to make CSIm work (== CSI0m) */ 2089 if (ip->ap == ip->argbuf) 2090 ip->ap++; 2091 for (cp = ip->argbuf; cp < ip->ap; ) 2092 { 2093 switch (*cp) 2094 { 2095 case 0: 2096 case '0': 2097 clr_attr (ip, ATTR_ALL); 2098 cp++; 2099 break; 2100 2101 case '1': 2102 set_attr (ip, ATTR_BOLD); 2103 cp++; 2104 break; 2105 2106 case '2': 2107 switch (cp[1]) 2108 { 2109 case '2': 2110 clr_attr (ip, ATTR_BOLD); 2111 cp += 2; 2112 break; 2113 2114 case '4': 2115 clr_attr (ip, ATTR_UL); 2116 cp += 2; 2117 break; 2118 2119 case '5': 2120 clr_attr (ip, ATTR_BLINK); 2121 cp += 2; 2122 break; 2123 2124 case '7': 2125 clr_attr (ip, ATTR_INV); 2126 cp += 2; 2127 break; 2128 2129 default: 2130 cp++; 2131 break; 2132 } 2133 break; 2134 2135 case '4': 2136 set_attr (ip, ATTR_UL); 2137 cp++; 2138 break; 2139 2140 case '5': 2141 set_attr (ip, ATTR_BLINK); 2142 cp++; 2143 break; 2144 2145 case '7': 2146 set_attr (ip, ATTR_INV); 2147 cp++; 2148 break; 2149 2150 default: 2151 cp++; 2152 break; 2153 } 2154 } 2155 2156 } 2157 ip->escape = 0; 2158 return; 2159 2160 2161 case 'u': 2162 /* DECRQTSR */ 2163 ite_sendstr ("\033P\033\\"); 2164 ip->escape = 0; 2165 return; 2166 2167 2168 2169 default: 2170 ip->escape = 0; 2171 return; 2172 } 2173 break; 2174 2175 2176 2177 case '?': /* CSI ? */ 2178 switch (c) 2179 { 2180 case '0': case '1': case '2': case '3': case '4': 2181 case '5': case '6': case '7': case '8': case '9': 2182 case ';': case '\"': case '$': 2183 /* Don't fill the last character; it's needed. */ 2184 /* XXX yeah, where ?? */ 2185 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1) 2186 *ip->ap++ = c; 2187 return; 2188 2189 2190 case 'n': 2191 *ip->ap = 0; 2192 if (ip->ap == &ip->argbuf[2]) 2193 { 2194 if (! strncmp (ip->argbuf, "15", 2)) 2195 /* printer status: no printer */ 2196 ite_sendstr ("\033[13n"); 2197 2198 else if (! strncmp (ip->argbuf, "25", 2)) 2199 /* udk status */ 2200 ite_sendstr ("\033[20n"); 2201 2202 else if (! strncmp (ip->argbuf, "26", 2)) 2203 /* keyboard dialect: US */ 2204 ite_sendstr ("\033[27;1n"); 2205 } 2206 ip->escape = 0; 2207 return; 2208 2209 2210 case 'h': case 'l': 2211 n = ite_zargnum (ip); 2212 switch (n) 2213 { 2214 case 1: 2215 ip->cursor_appmode = (c == 'h'); 2216 break; 2217 2218 case 3: 2219 /* 132/80 columns (132 == 'h') */ 2220 break; 2221 2222 case 4: /* smooth scroll */ 2223 break; 2224 2225 case 5: 2226 /* light background (=='h') /dark background(=='l') */ 2227 break; 2228 2229 case 6: /* origin mode */ 2230 ip->inside_margins = (c == 'h'); 2231 ip->curx = 0; 2232 ip->cury = ip->inside_margins ? ip->top_margin : 0; 2233 SUBR_CURSOR(ip, MOVE_CURSOR); 2234 break; 2235 2236 case 7: /* auto wraparound */ 2237 ip->auto_wrap = (c == 'h'); 2238 break; 2239 2240 case 8: /* keyboard repeat */ 2241 ip->key_repeat = (c == 'h'); 2242 break; 2243 2244 case 20: /* newline mode */ 2245 ip->linefeed_newline = (c == 'h'); 2246 break; 2247 2248 case 25: /* cursor on/off */ 2249 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR); 2250 break; 2251 } 2252 ip->escape = 0; 2253 return; 2254 2255 default: 2256 ip->escape = 0; 2257 return; 2258 } 2259 break; 2260 2261 2262 default: 2263 ip->escape = 0; 2264 return; 2265 } 2266 } 2267 2268 switch (c) { 2269 2270 case VT: /* VT is treated like LF */ 2271 case FF: /* so is FF */ 2272 case LF: 2273 /* cr->crlf distinction is done here, on output, 2274 not on input! */ 2275 if (ip->linefeed_newline) 2276 ite_crlf (ip); 2277 else 2278 ite_lf (ip); 2279 break; 2280 2281 case CR: 2282 ite_cr (ip); 2283 break; 2284 2285 case BS: 2286 if (--ip->curx < 0) 2287 ip->curx = 0; 2288 else 2289 SUBR_CURSOR(ip, MOVE_CURSOR); 2290 break; 2291 2292 case HT: 2293 for (n = ip->curx + 1; n < ip->cols; n++) { 2294 if (ip->tabs[n]) { 2295 ip->curx = n; 2296 SUBR_CURSOR(ip, MOVE_CURSOR); 2297 break; 2298 } 2299 } 2300 break; 2301 2302 case BEL: 2303 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty) 2304 kbdbell(); 2305 break; 2306 2307 case SO: 2308 ip->GL = ip->G1; 2309 break; 2310 2311 case SI: 2312 ip->GL = ip->G0; 2313 break; 2314 2315 case ENQ: 2316 /* send answer-back message !! */ 2317 break; 2318 2319 case CAN: 2320 ip->escape = 0; /* cancel any escape sequence in progress */ 2321 break; 2322 2323 case SUB: 2324 ip->escape = 0; /* dito, but see below */ 2325 /* should also display a reverse question mark!! */ 2326 break; 2327 2328 case ESC: 2329 ip->escape = ESC; 2330 break; 2331 2332 2333 /* now it gets weird.. 8bit control sequences.. */ 2334 case IND: /* index: move cursor down, scroll */ 2335 ite_lf (ip); 2336 break; 2337 2338 case NEL: /* next line. next line, first pos. */ 2339 ite_crlf (ip); 2340 break; 2341 2342 case HTS: /* set horizontal tab */ 2343 if (ip->curx < ip->cols) 2344 ip->tabs[ip->curx] = 1; 2345 break; 2346 2347 case RI: /* reverse index */ 2348 ite_rlf (ip); 2349 break; 2350 2351 case SS2: /* go into G2 for one character */ 2352 /* not yet supported */ 2353 break; 2354 2355 case SS3: /* go into G3 for one character */ 2356 break; 2357 2358 case DCS: /* device control string introducer */ 2359 ip->escape = DCS; 2360 ip->ap = ip->argbuf; 2361 break; 2362 2363 case CSI: /* control sequence introducer */ 2364 ip->escape = CSI; 2365 ip->ap = ip->argbuf; 2366 break; 2367 2368 case ST: /* string terminator */ 2369 /* ignore, if not used as terminator */ 2370 break; 2371 2372 case OSC: /* introduces OS command. Ignore everything upto ST */ 2373 ip->escape = OSC; 2374 break; 2375 2376 case PM: /* privacy message, ignore everything upto ST */ 2377 ip->escape = PM; 2378 break; 2379 2380 case APC: /* application program command, ignore everything upto ST */ 2381 ip->escape = APC; 2382 break; 2383 2384 default: 2385 if (c < ' ' || c == DEL) 2386 break; 2387 if (ip->imode) 2388 ite_inchar(ip, 1); 2389 iteprecheckwrap(ip); 2390 #ifdef DO_WEIRD_ATTRIBUTES 2391 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) { 2392 attrset(ip, ATTR_INV); 2393 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV); 2394 } 2395 else 2396 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR); 2397 #else 2398 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute); 2399 #endif 2400 SUBR_CURSOR(ip, DRAW_CURSOR); 2401 itecheckwrap(ip); 2402 break; 2403 } 2404 } 2405 2406 static void 2407 iteprecheckwrap(ip) 2408 struct ite_softc *ip; 2409 { 2410 if (ip->auto_wrap && ip->curx == ip->cols) { 2411 ip->curx = 0; 2412 clr_attr(ip, ATTR_INV); 2413 if (++ip->cury >= ip->bottom_margin + 1) { 2414 ip->cury = ip->bottom_margin; 2415 SUBR_CURSOR(ip, MOVE_CURSOR); 2416 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 2417 ite_clrtoeol(ip); 2418 } else 2419 SUBR_CURSOR(ip, MOVE_CURSOR); 2420 } 2421 } 2422 2423 static void 2424 itecheckwrap(ip) 2425 struct ite_softc *ip; 2426 { 2427 if (ip->curx < ip->cols) { 2428 ip->curx++; 2429 SUBR_CURSOR(ip, MOVE_CURSOR); 2430 } 2431 } 2432
Indexes created Tue Sep 23 14:10:03 GMT 2025