1 /* $NetBSD: ite.c,v 1.65 2009/03/18 17:06:43 cegger 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 1.65 2009/03/18 17:06:43 cegger 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 #include <sys/kauth.h> 102 103 #include <machine/cpu.h> 104 105 #include <atari/atari/device.h> 106 #include <atari/dev/event_var.h> 107 #include <atari/dev/kbdmap.h> 108 #include <atari/dev/kbdvar.h> 109 #include <atari/dev/iteioctl.h> 110 #include <atari/dev/itevar.h> 111 #include <atari/dev/grfioctl.h> 112 #include <atari/dev/grfabs_reg.h> 113 #include <atari/dev/grfvar.h> 114 #include <atari/dev/viewioctl.h> 115 #include <atari/dev/viewvar.h> 116 117 #define ITEUNIT(dev) (minor(dev)) 118 119 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip) 120 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip) 121 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m) 122 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg) 123 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w) 124 #define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir) 125 126 int start_repeat_timeo = 30; /* first repeat after x s/100 */ 127 int next_repeat_timeo = 10; /* next repeat after x s/100 */ 128 129 /* 130 * Patchable 131 */ 132 int ite_default_x = 0; /* def leftedge offset */ 133 int ite_default_y = 0; /* def topedge offset */ 134 int ite_default_width = 640; /* def width */ 135 int ite_default_depth = 1; /* def depth */ 136 int ite_default_height = 400; /* def height */ 137 int ite_default_wrap = 1; /* if you want vtxxx-nam -> binpatch */ 138 139 struct ite_softc con_itesoftc; 140 u_char cons_tabs[MAX_TABS]; 141 142 struct ite_softc *kbd_ite; 143 int kbd_init; 144 145 static inline int atoi(const char *); 146 static inline int ite_argnum(struct ite_softc *); 147 static inline int ite_zargnum(struct ite_softc *); 148 static inline void ite_cr(struct ite_softc *); 149 static inline void ite_crlf(struct ite_softc *); 150 static inline void ite_clrline(struct ite_softc *); 151 static inline void ite_clrscreen(struct ite_softc *); 152 static inline void ite_clrtobos(struct ite_softc *); 153 static inline void ite_clrtobol(struct ite_softc *); 154 static inline void ite_clrtoeol(struct ite_softc *); 155 static inline void ite_clrtoeos(struct ite_softc *); 156 static inline void ite_dnchar(struct ite_softc *, int); 157 static inline void ite_inchar(struct ite_softc *, int); 158 static inline void ite_inline(struct ite_softc *, int); 159 static inline void ite_lf(struct ite_softc *); 160 static inline void ite_dnline(struct ite_softc *, int); 161 static inline void ite_rlf(struct ite_softc *); 162 static inline void ite_sendstr(const char *); 163 static inline void snap_cury(struct ite_softc *); 164 165 static void alignment_display(struct ite_softc *); 166 static struct ite_softc *getitesp(dev_t); 167 static void itecheckwrap(struct ite_softc *); 168 static void iteprecheckwrap(struct ite_softc *); 169 static void itestart(struct tty *); 170 static void ite_switch(int); 171 static void repeat_handler(void *); 172 173 void iteputchar(int c, struct ite_softc *ip); 174 void ite_putstr(const u_char * s, int len, dev_t dev); 175 void iteattach(struct device *, struct device *, void *); 176 int itematch(struct device *, struct cfdata *, void *); 177 178 /* 179 * Console specific types. 180 */ 181 dev_type_cnprobe(itecnprobe); 182 dev_type_cninit(itecninit); 183 dev_type_cngetc(itecngetc); 184 dev_type_cnputc(itecnputc); 185 186 CFATTACH_DECL(ite, sizeof(struct ite_softc), 187 itematch, iteattach, NULL, NULL); 188 189 extern struct cfdriver ite_cd; 190 191 dev_type_open(iteopen); 192 dev_type_close(iteclose); 193 dev_type_read(iteread); 194 dev_type_write(itewrite); 195 dev_type_ioctl(iteioctl); 196 dev_type_tty(itetty); 197 dev_type_poll(itepoll); 198 199 const struct cdevsw ite_cdevsw = { 200 iteopen, iteclose, iteread, itewrite, iteioctl, 201 nostop, itetty, itepoll, nommap, ttykqfilter, D_TTY 202 }; 203 204 /* 205 * Keep track of the device number of the ite console. Only used in the 206 * itematch/iteattach functions. 207 */ 208 static int cons_ite = -1; 209 210 int 211 itematch(struct device *pdp, struct cfdata *cfp, void *auxp) 212 { 213 214 /* 215 * Handle early console stuff. The first unit number 216 * is the console unit. All other early matches will fail. 217 */ 218 if (atari_realconfig == 0) { 219 if (cons_ite >= 0) 220 return 0; 221 cons_ite = cfp->cf_unit; 222 return 1; 223 } 224 return 1; 225 } 226 227 void 228 iteattach(struct device *pdp, struct device *dp, void *auxp) 229 { 230 struct grf_softc *gp; 231 struct ite_softc *ip; 232 int s; 233 int maj, unit; 234 235 gp = (struct grf_softc *)auxp; 236 ip = (struct ite_softc *)dp; 237 238 maj = cdevsw_lookup_major(&ite_cdevsw); 239 unit = (dp != NULL) ? device_unit(&ip->device) : cons_ite; 240 gp->g_itedev = makedev(maj, unit); 241 242 if (dp) { 243 s = spltty(); 244 if(con_itesoftc.grf != NULL 245 && con_itesoftc.grf->g_unit == gp->g_unit) { 246 /* 247 * console reinit copy params over. 248 * and console always gets keyboard 249 */ 250 memcpy( &ip->grf, &con_itesoftc.grf, 251 (char *)&ip[1] - (char *)&ip->grf); 252 con_itesoftc.grf = NULL; 253 kbd_ite = ip; 254 } 255 ip->grf = gp; 256 splx(s); 257 258 iteinit(gp->g_itedev); 259 printf(": %dx%d", ip->rows, ip->cols); 260 printf(" repeat at (%d/100)s next at (%d/100)s", 261 start_repeat_timeo, next_repeat_timeo); 262 263 if (kbd_ite == NULL) 264 kbd_ite = ip; 265 if (kbd_ite == ip) 266 printf(" has keyboard"); 267 printf("\n"); 268 ip->flags |= ITE_ATTACHED; 269 } else { 270 if (con_itesoftc.grf != NULL && 271 con_itesoftc.grf->g_conpri > gp->g_conpri) 272 return; 273 con_itesoftc.grf = gp; 274 con_itesoftc.tabs = cons_tabs; 275 } 276 } 277 278 static struct ite_softc * 279 getitesp(dev_t dev) 280 { 281 if(atari_realconfig && (con_itesoftc.grf == NULL)) 282 return(device_lookup_private(&ite_cd, ITEUNIT(dev))); 283 284 if(con_itesoftc.grf == NULL) 285 panic("no ite_softc for console"); 286 return(&con_itesoftc); 287 } 288 289 /* 290 * cons.c entry points into ite device. 291 */ 292 293 /* 294 * Return a priority in consdev->cn_pri field highest wins. This function 295 * is called before any devices have been probed. 296 */ 297 void 298 itecnprobe(struct consdev *cd) 299 { 300 /* 301 * return priority of the best ite (already picked from attach) 302 * or CN_DEAD. 303 */ 304 if (con_itesoftc.grf == NULL) 305 cd->cn_pri = CN_DEAD; 306 else { 307 cd->cn_pri = con_itesoftc.grf->g_conpri; 308 cd->cn_dev = con_itesoftc.grf->g_itedev; 309 } 310 } 311 312 void 313 itecninit(struct consdev *cd) 314 { 315 struct ite_softc *ip; 316 317 ip = getitesp(cd->cn_dev); 318 ip->flags |= ITE_ISCONS; 319 iteinit(cd->cn_dev); 320 ip->flags |= ITE_ACTIVE | ITE_ISCONS; 321 } 322 323 /* 324 * ite_cnfinish() is called in ite_init() when the device is 325 * being probed in the normal fasion, thus we can finish setting 326 * up this ite now that the system is more functional. 327 */ 328 void 329 ite_cnfinish(struct ite_softc *ip) 330 { 331 static int done; 332 333 if (done) 334 return; 335 done = 1; 336 } 337 338 int 339 itecngetc(dev_t dev) 340 { 341 int c; 342 343 do { 344 c = kbdgetcn(); 345 c = ite_cnfilter(c, ITEFILT_CONSOLE); 346 } while (c == -1); 347 return (c); 348 } 349 350 void 351 itecnputc(dev_t dev, int c) 352 { 353 static int paniced; 354 struct ite_softc *ip; 355 char ch; 356 357 ip = getitesp(dev); 358 ch = c; 359 360 if (panicstr && !paniced && 361 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 362 ite_on(dev, 3); 363 paniced = 1; 364 } 365 SUBR_CURSOR(ip, START_CURSOROPT); 366 iteputchar(ch, ip); 367 SUBR_CURSOR(ip, END_CURSOROPT); 368 } 369 370 /* 371 * standard entry points to the device. 372 */ 373 374 /* 375 * iteinit() is the standard entry point for initialization of 376 * an ite device, it is also called from itecninit(). 377 * 378 */ 379 void 380 iteinit(dev_t dev) 381 { 382 struct ite_softc *ip; 383 384 ip = getitesp(dev); 385 if (ip->flags & ITE_INITED) 386 return; 387 if (atari_realconfig) { 388 if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap) 389 free(ip->kbdmap, M_DEVBUF); 390 ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK); 391 memcpy( ip->kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 392 } 393 else ip->kbdmap = &ascii_kbdmap; 394 395 ip->cursorx = 0; 396 ip->cursory = 0; 397 SUBR_INIT(ip); 398 SUBR_CURSOR(ip, DRAW_CURSOR); 399 if (ip->tabs == NULL) 400 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 401 ite_reset(ip); 402 ip->flags |= ITE_INITED; 403 } 404 405 int 406 iteopen(dev_t dev, int mode, int devtype, struct lwp *l) 407 { 408 struct ite_softc *ip; 409 struct tty *tp; 410 int error, first, unit; 411 412 unit = ITEUNIT(dev); 413 if (unit >= ite_cd.cd_ndevs) 414 return ENXIO; 415 416 first = 0; 417 ip = getitesp(dev); 418 if (ip == NULL) 419 return ENXIO; 420 if ((ip->flags & ITE_ATTACHED) == 0) 421 return (ENXIO); 422 423 if (ip->tp == NULL) { 424 tp = ip->tp = ttymalloc(); 425 tty_attach(tp); 426 } 427 else tp = ip->tp; 428 429 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp)) 430 return (EBUSY); 431 432 if ((ip->flags & ITE_ACTIVE) == 0) { 433 ite_on(dev, 0); 434 first = 1; 435 } 436 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) { 437 tp->t_oproc = itestart; 438 tp->t_param = ite_param; 439 tp->t_dev = dev; 440 tp->t_iflag = TTYDEF_IFLAG; 441 tp->t_oflag = TTYDEF_OFLAG; 442 tp->t_cflag = TTYDEF_CFLAG; 443 tp->t_lflag = TTYDEF_LFLAG; 444 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 445 tp->t_state = TS_CARR_ON; 446 ttychars(tp); 447 ttsetwater(tp); 448 } 449 450 451 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0); 452 if (error) 453 goto bad; 454 455 error = (*tp->t_linesw->l_open) (dev, tp); 456 if (error) 457 goto bad; 458 459 tp->t_winsize.ws_row = ip->rows; 460 tp->t_winsize.ws_col = ip->cols; 461 if (!kbd_init) { 462 kbd_init = 1; 463 kbdenable(); 464 } 465 return (0); 466 467 468 bad: 469 if (first) 470 ite_off(dev, 0); 471 472 return (error); 473 } 474 475 int 476 iteclose(dev_t dev, int flag, int mode, struct lwp *l) 477 { 478 struct tty *tp; 479 480 tp = getitesp(dev)->tp; 481 482 KDASSERT(tp); 483 (*tp->t_linesw->l_close) (tp, flag); 484 ttyclose(tp); 485 ite_off(dev, 0); 486 return (0); 487 } 488 489 int 490 iteread(dev_t dev, struct uio *uio, int flag) 491 { 492 struct tty *tp; 493 494 tp = getitesp(dev)->tp; 495 496 KDASSERT(tp); 497 return ((*tp->t_linesw->l_read) (tp, uio, flag)); 498 } 499 500 int 501 itewrite(dev_t dev, struct uio *uio, int flag) 502 { 503 struct tty *tp; 504 505 tp = getitesp(dev)->tp; 506 507 KDASSERT(tp); 508 return ((*tp->t_linesw->l_write) (tp, uio, flag)); 509 } 510 511 int 512 itepoll(dev_t dev, int events, struct lwp *l) 513 { 514 struct tty *tp; 515 516 tp = getitesp(dev)->tp; 517 518 KDASSERT(tp); 519 return ((*tp->t_linesw->l_poll)(tp, events, l)); 520 } 521 522 struct tty * 523 itetty(dev_t dev) 524 { 525 return(getitesp(dev)->tp); 526 } 527 528 int 529 iteioctl(dev_t dev, u_long cmd, void * addr, int flag, struct lwp *l) 530 { 531 struct iterepeat *irp; 532 struct ite_softc *ip; 533 struct tty *tp; 534 view_t *view; 535 struct itewinsize *is; 536 struct itebell *ib; 537 int error; 538 539 ip = getitesp(dev); 540 tp = ip->tp; 541 view = viewview(ip->grf->g_viewdev); 542 543 KDASSERT(tp); 544 545 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, l); 546 if(error != EPASSTHROUGH) 547 return (error); 548 549 error = ttioctl(tp, cmd, addr, flag, l); 550 if (error != EPASSTHROUGH) 551 return (error); 552 553 switch (cmd) { 554 case ITEIOCSKMAP: 555 if (addr == NULL) 556 return(EFAULT); 557 memcpy( ip->kbdmap, addr, sizeof(struct kbdmap)); 558 return 0; 559 case ITEIOCSSKMAP: 560 if (addr == NULL) 561 return(EFAULT); 562 memcpy( &ascii_kbdmap, addr, sizeof(struct kbdmap)); 563 return 0; 564 case ITEIOCGKMAP: 565 if (addr == NULL) 566 return(EFAULT); 567 memcpy( addr, ip->kbdmap, sizeof(struct kbdmap)); 568 return 0; 569 case ITEIOCGREPT: 570 if (addr == NULL) 571 return(EFAULT); 572 irp = (struct iterepeat *)addr; 573 irp->start = start_repeat_timeo; 574 irp->next = next_repeat_timeo; 575 return 0; 576 case ITEIOCSREPT: 577 if (addr == NULL) 578 return(EFAULT); 579 irp = (struct iterepeat *)addr; 580 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT) 581 return(EINVAL); 582 start_repeat_timeo = irp->start; 583 next_repeat_timeo = irp->next; 584 return 0; 585 case ITEIOCGWINSZ: 586 if (addr == NULL) 587 return(EFAULT); 588 is = (struct itewinsize *)addr; 589 is->x = view->display.x; 590 is->y = view->display.y; 591 is->width = view->display.width; 592 is->height = view->display.height; 593 is->depth = view->bitmap->depth; 594 return 0; 595 case ITEIOCDSPWIN: 596 ip->grf->g_mode(ip->grf, GM_GRFON, NULL, 0, 0); 597 return 0; 598 case ITEIOCREMWIN: 599 ip->grf->g_mode(ip->grf, GM_GRFOFF, NULL, 0, 0); 600 return 0; 601 case ITEIOCSBELL: 602 if (addr == NULL) 603 return(EFAULT); 604 ib = (struct itebell *)addr; 605 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec); 606 return 0; 607 case ITEIOCGBELL: 608 if (addr == NULL) 609 return(EFAULT); 610 ib = (struct itebell *)addr; 611 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec); 612 return 0; 613 } 614 return (ip->itexx_ioctl)(ip, cmd, addr, flag, l); 615 } 616 617 void 618 itestart(struct tty *tp) 619 { 620 struct clist *rbp; 621 struct ite_softc *ip; 622 u_char buf[ITEBURST]; 623 int s, len; 624 625 ip = getitesp(tp->t_dev); 626 627 KDASSERT(tp); 628 629 s = spltty(); { 630 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 631 goto out; 632 633 tp->t_state |= TS_BUSY; 634 rbp = &tp->t_outq; 635 636 len = q_to_b(rbp, buf, ITEBURST); 637 } splx(s); 638 639 /* Here is a really good place to implement pre/jumpscroll() */ 640 ite_putstr((char *)buf, len, tp->t_dev); 641 642 s = spltty(); { 643 tp->t_state &= ~TS_BUSY; 644 /* we have characters remaining. */ 645 if (ttypull(tp)) { 646 tp->t_state |= TS_TIMEOUT; 647 callout_schedule(&tp->t_rstrt_ch, 1); 648 } 649 out: ; 650 } splx(s); 651 } 652 653 void 654 ite_on(dev_t dev, int flag) 655 { 656 struct ite_softc *ip; 657 int unit; 658 659 unit = ITEUNIT(dev); 660 ip = getitesp(dev); 661 662 /* force ite active, overriding graphics mode */ 663 if (flag & 1) { 664 ip->flags |= ITE_ACTIVE; 665 ip->flags &= ~(ITE_INGRF | ITE_INITED); 666 } 667 /* leave graphics mode */ 668 if (flag & 2) { 669 ip->flags &= ~ITE_INGRF; 670 if ((ip->flags & ITE_ACTIVE) == 0) 671 return; 672 } 673 ip->flags |= ITE_ACTIVE; 674 if (ip->flags & ITE_INGRF) 675 return; 676 iteinit(dev); 677 } 678 679 void 680 ite_off(dev_t dev, int flag) 681 { 682 struct ite_softc *ip; 683 684 ip = getitesp(dev); 685 if (flag & 2) 686 ip->flags |= ITE_INGRF; 687 if ((ip->flags & ITE_ACTIVE) == 0) 688 return; 689 if ((flag & 1) || 690 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 691 SUBR_DEINIT(ip); 692 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */ 693 ip->flags &= ~ITE_ACTIVE; 694 } 695 696 static void 697 ite_switch(int unit) 698 { 699 struct ite_softc *ip; 700 extern const struct cdevsw view_cdevsw; 701 702 ip = getitesp(unit); 703 if ((ip->flags & (ITE_ATTACHED | ITE_INITED)) == 0) 704 return; 705 706 /* 707 * If switching to an active ite, also switch the keyboard. 708 */ 709 if (ip->flags & ITE_ACTIVE) 710 kbd_ite = ip; 711 712 /* 713 * Now make it visible 714 */ 715 (*view_cdevsw.d_ioctl)(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 716 0, NOLWP); 717 718 /* 719 * Make sure the cursor's there too.... 720 */ 721 SUBR_CURSOR(ip, DRAW_CURSOR); 722 } 723 724 /* XXX called after changes made in underlying grf layer. */ 725 /* I want to nuke this */ 726 void 727 ite_reinit(dev_t dev) 728 { 729 struct ite_softc *ip; 730 731 ip = getitesp(dev); 732 ip->flags &= ~ITE_INITED; 733 iteinit(dev); 734 } 735 736 int 737 ite_param(struct tty *tp, struct termios *t) 738 { 739 tp->t_ispeed = t->c_ispeed; 740 tp->t_ospeed = t->c_ospeed; 741 tp->t_cflag = t->c_cflag; 742 return (0); 743 } 744 745 void 746 ite_reset(struct ite_softc *ip) 747 { 748 int i; 749 750 ip->curx = 0; 751 ip->cury = 0; 752 ip->attribute = ATTR_NOR; 753 ip->save_curx = 0; 754 ip->save_cury = 0; 755 ip->save_attribute = ATTR_NOR; 756 ip->ap = ip->argbuf; 757 ip->emul_level = 0; 758 ip->eightbit_C1 = 0; 759 ip->top_margin = 0; 760 ip->bottom_margin = ip->rows - 1; 761 ip->inside_margins = 0; 762 ip->linefeed_newline = 0; 763 ip->auto_wrap = ite_default_wrap; 764 ip->cursor_appmode = 0; 765 ip->keypad_appmode = 0; 766 ip->imode = 0; 767 ip->key_repeat = 1; 768 memset(ip->tabs, 0, ip->cols); 769 for (i = 0; i < ip->cols; i++) 770 ip->tabs[i] = ((i & 7) == 0); 771 } 772 773 /* 774 * has to be global because of the shared filters. 775 */ 776 static u_char last_dead; 777 778 /* 779 * Used in console at startup only and for DDB. 780 */ 781 int 782 ite_cnfilter(u_int c, enum caller caller) 783 { 784 struct key key; 785 struct kbdmap *kbdmap; 786 u_char code, up, mask; 787 int s; 788 789 up = KBD_RELEASED(c); 790 c = KBD_SCANCODE(c); 791 code = 0; 792 mask = 0; 793 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap; 794 795 s = spltty(); 796 797 /* 798 * No special action if key released 799 */ 800 if(up) { 801 splx(s); 802 return -1; 803 } 804 805 /* translate modifiers */ 806 if(kbd_modifier & KBD_MOD_SHIFT) { 807 if(kbd_modifier & KBD_MOD_ALT) 808 key = kbdmap->alt_shift_keys[c]; 809 else key = kbdmap->shift_keys[c]; 810 } 811 else if(kbd_modifier & KBD_MOD_ALT) 812 key = kbdmap->alt_keys[c]; 813 else { 814 key = kbdmap->keys[c]; 815 /* 816 * If CAPS and key is CAPable (no pun intended) 817 */ 818 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 819 key = kbdmap->shift_keys[c]; 820 } 821 code = key.code; 822 823 #ifdef notyet /* LWP: Didn't have time to look at this yet */ 824 /* 825 * If string return simple console filter 826 */ 827 if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 828 splx(s); 829 return -1; 830 } 831 /* handle dead keys */ 832 if(key->mode & KBD_MODE_DEAD) { 833 /* if entered twice, send accent itself */ 834 if (last_dead == key->mode & KBD_MODE_ACCMASK) 835 last_dead = 0; 836 else { 837 last_dead = key->mode & KBD_MODE_ACCMASK; 838 splx(s); 839 return -1; 840 } 841 } 842 if(last_dead) { 843 /* can't apply dead flag to string-keys */ 844 if (code >= '@' && code < 0x7f) 845 code = 846 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 847 last_dead = 0; 848 } 849 #endif 850 if(kbd_modifier & KBD_MOD_CTRL) 851 code &= 0x1f; 852 853 /* 854 * Do console mapping. 855 */ 856 code = code == '\r' ? '\n' : code; 857 858 splx(s); 859 return (code); 860 } 861 862 /* And now the old stuff. */ 863 864 /* these are used to implement repeating keys.. */ 865 static u_int last_char; 866 static u_char tout_pending; 867 868 static callout_t repeat_ch; 869 870 /*ARGSUSED*/ 871 static void 872 repeat_handler(void *arg) 873 { 874 tout_pending = 0; 875 if(last_char) 876 add_sicallback((si_farg)ite_filter, (void *)last_char, 877 (void *)ITEFILT_REPEATER); 878 } 879 880 void 881 ite_filter(u_int c, enum caller caller) 882 { 883 struct tty *kbd_tty; 884 struct kbdmap *kbdmap; 885 u_char code, *str, up, mask; 886 struct key key; 887 int s, i; 888 static bool again; 889 890 if (!again) { 891 /* XXX */ 892 callout_init(&repeat_ch, 0); 893 again = true; 894 } 895 896 if(kbd_ite == NULL) 897 return; 898 899 kbd_tty = kbd_ite->tp; 900 kbdmap = kbd_ite->kbdmap; 901 902 up = KBD_RELEASED(c); 903 c = KBD_SCANCODE(c); 904 code = 0; 905 mask = 0; 906 907 /* have to make sure we're at spltty in here */ 908 s = spltty(); 909 910 /* 911 * keyboard interrupts come at priority 2, while softint 912 * generated keyboard-repeat interrupts come at level 1. So, 913 * to not allow a key-up event to get thru before a repeat for 914 * the key-down, we remove any outstanding callout requests.. 915 */ 916 rem_sicallback((si_farg)ite_filter); 917 918 /* 919 * Stop repeating on up event 920 */ 921 if (up) { 922 if(tout_pending) { 923 callout_stop(&repeat_ch); 924 tout_pending = 0; 925 last_char = 0; 926 } 927 splx(s); 928 return; 929 } 930 else if(tout_pending && last_char != c) { 931 /* 932 * Different character, stop also 933 */ 934 callout_stop(&repeat_ch); 935 tout_pending = 0; 936 last_char = 0; 937 } 938 939 /* 940 * Handle ite-switching ALT + Fx 941 */ 942 if((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) { 943 ite_switch(c - 0x3b); 944 splx(s); 945 return; 946 } 947 /* 948 * Safety button, switch back to ascii keymap. 949 */ 950 if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) { 951 /* ALT + LSHIFT + F1 */ 952 memcpy( kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 953 splx(s); 954 return; 955 #ifdef DDB 956 } 957 else if(kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) { 958 /* 959 * ALT + LSHIFT + F9 -> Debugger! 960 */ 961 Debugger(); 962 splx(s); 963 return; 964 #endif 965 } 966 967 /* 968 * The rest of the code is senseless when the device is not open. 969 */ 970 if(kbd_tty == NULL) { 971 splx(s); 972 return; 973 } 974 975 /* 976 * Translate modifiers 977 */ 978 if(kbd_modifier & KBD_MOD_SHIFT) { 979 if(kbd_modifier & KBD_MOD_ALT) 980 key = kbdmap->alt_shift_keys[c]; 981 else key = kbdmap->shift_keys[c]; 982 } 983 else if(kbd_modifier & KBD_MOD_ALT) 984 key = kbdmap->alt_keys[c]; 985 else { 986 key = kbdmap->keys[c]; 987 /* 988 * If CAPS and key is CAPable (no pun intended) 989 */ 990 if((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 991 key = kbdmap->shift_keys[c]; 992 } 993 code = key.code; 994 995 /* 996 * Arrange to repeat the keystroke. By doing this at the level 997 * of scan-codes, we can have function keys, and keys that 998 * send strings, repeat too. This also entitles an additional 999 * overhead, since we have to do the conversion each time, but 1000 * I guess that's ok. 1001 */ 1002 if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 1003 tout_pending = 1; 1004 last_char = c; 1005 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100, 1006 repeat_handler, NULL); 1007 } 1008 else if(!tout_pending && caller==ITEFILT_REPEATER 1009 && kbd_ite->key_repeat) { 1010 tout_pending = 1; 1011 last_char = c; 1012 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100, 1013 repeat_handler, NULL); 1014 } 1015 /* handle dead keys */ 1016 if (key.mode & KBD_MODE_DEAD) { 1017 /* if entered twice, send accent itself */ 1018 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 1019 last_dead = 0; 1020 else { 1021 last_dead = key.mode & KBD_MODE_ACCMASK; 1022 splx(s); 1023 return; 1024 } 1025 } 1026 if (last_dead) { 1027 /* can't apply dead flag to string-keys */ 1028 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 1029 code < 0x7f) 1030 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 1031 last_dead = 0; 1032 } 1033 1034 /* 1035 * If not string, apply CTRL modifiers 1036 */ 1037 if(!(key.mode & KBD_MODE_STRING) 1038 && (!(key.mode & KBD_MODE_KPAD) 1039 || (kbd_ite && !kbd_ite->keypad_appmode))) { 1040 if(kbd_modifier & KBD_MOD_CTRL) 1041 code &= 0x1f; 1042 } 1043 else if((key.mode & KBD_MODE_KPAD) 1044 && (kbd_ite && kbd_ite->keypad_appmode)) { 1045 static const char * const in = "0123456789-+.\r()/*"; 1046 static const char * const out = "pqrstuvwxymlnMPQRS"; 1047 char *cp = strchr(in, code); 1048 1049 /* 1050 * keypad-appmode sends SS3 followed by the above 1051 * translated character 1052 */ 1053 kbd_tty->t_linesw->l_rint(27, kbd_tty); 1054 kbd_tty->t_linesw->l_rint('O', kbd_tty); 1055 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty); 1056 splx(s); 1057 return; 1058 } else { 1059 /* *NO* I don't like this.... */ 1060 static u_char app_cursor[] = 1061 { 1062 3, 27, 'O', 'A', 1063 3, 27, 'O', 'B', 1064 3, 27, 'O', 'C', 1065 3, 27, 'O', 'D'}; 1066 1067 str = kbdmap->strings + code; 1068 /* 1069 * if this is a cursor key, AND it has the default 1070 * keymap setting, AND we're in app-cursor mode, switch 1071 * to the above table. This is *nasty* ! 1072 */ 1073 if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50)) 1074 && kbd_ite->cursor_appmode 1075 && !memcmp(str, "\x03\x1b[", 3) && 1076 strchr("ABCD", str[3])) 1077 str = app_cursor + 4 * (str[3] - 'A'); 1078 1079 /* 1080 * using a length-byte instead of 0-termination allows 1081 * to embed \0 into strings, although this is not used 1082 * in the default keymap 1083 */ 1084 for (i = *str++; i; i--) 1085 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1086 splx(s); 1087 return; 1088 } 1089 kbd_tty->t_linesw->l_rint(code, kbd_tty); 1090 1091 splx(s); 1092 return; 1093 } 1094 1095 /* helper functions, makes the code below more readable */ 1096 static inline void 1097 ite_sendstr(const char *str) 1098 { 1099 struct tty *kbd_tty; 1100 1101 kbd_tty = kbd_ite->tp; 1102 KDASSERT(kbd_tty); 1103 while (*str) 1104 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1105 } 1106 1107 static void 1108 alignment_display(struct ite_softc *ip) 1109 { 1110 int i, j; 1111 1112 for (j = 0; j < ip->rows; j++) 1113 for (i = 0; i < ip->cols; i++) 1114 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR); 1115 attrclr(ip, 0, 0, ip->rows, ip->cols); 1116 SUBR_CURSOR(ip, DRAW_CURSOR); 1117 } 1118 1119 static inline void 1120 snap_cury(struct ite_softc *ip) 1121 { 1122 if (ip->inside_margins) 1123 { 1124 if (ip->cury < ip->top_margin) 1125 ip->cury = ip->top_margin; 1126 if (ip->cury > ip->bottom_margin) 1127 ip->cury = ip->bottom_margin; 1128 } 1129 } 1130 1131 static inline void 1132 ite_dnchar(struct ite_softc *ip, int n) 1133 { 1134 n = min(n, ip->cols - ip->curx); 1135 if (n < ip->cols - ip->curx) 1136 { 1137 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT); 1138 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx, 1139 1, ip->cols - ip->curx - n); 1140 attrclr(ip, ip->cury, ip->cols - n, 1, n); 1141 } 1142 while (n-- > 0) 1143 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR); 1144 SUBR_CURSOR(ip, DRAW_CURSOR); 1145 } 1146 1147 static inline void 1148 ite_inchar(struct ite_softc *ip, int n) 1149 { 1150 n = min(n, ip->cols - ip->curx); 1151 if (n < ip->cols - ip->curx) 1152 { 1153 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT); 1154 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n, 1155 1, ip->cols - ip->curx - n); 1156 attrclr(ip, ip->cury, ip->curx, 1, n); 1157 } 1158 while (n--) 1159 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1160 SUBR_CURSOR(ip, DRAW_CURSOR); 1161 } 1162 1163 static inline void 1164 ite_clrtoeol(struct ite_softc *ip) 1165 { 1166 int y = ip->cury, x = ip->curx; 1167 if (ip->cols - x > 0) 1168 { 1169 SUBR_CLEAR(ip, y, x, 1, ip->cols - x); 1170 attrclr(ip, y, x, 1, ip->cols - x); 1171 SUBR_CURSOR(ip, DRAW_CURSOR); 1172 } 1173 } 1174 1175 static inline void 1176 ite_clrtobol(struct ite_softc *ip) 1177 { 1178 int y = ip->cury, x = min(ip->curx + 1, ip->cols); 1179 SUBR_CLEAR(ip, y, 0, 1, x); 1180 attrclr(ip, y, 0, 1, x); 1181 SUBR_CURSOR(ip, DRAW_CURSOR); 1182 } 1183 1184 static inline void 1185 ite_clrline(struct ite_softc *ip) 1186 { 1187 int y = ip->cury; 1188 SUBR_CLEAR(ip, y, 0, 1, ip->cols); 1189 attrclr(ip, y, 0, 1, ip->cols); 1190 SUBR_CURSOR(ip, DRAW_CURSOR); 1191 } 1192 1193 1194 1195 static inline void 1196 ite_clrtoeos(struct ite_softc *ip) 1197 { 1198 ite_clrtoeol(ip); 1199 if (ip->cury < ip->rows - 1) 1200 { 1201 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols); 1202 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols); 1203 SUBR_CURSOR(ip, DRAW_CURSOR); 1204 } 1205 } 1206 1207 static inline void 1208 ite_clrtobos(struct ite_softc *ip) 1209 { 1210 ite_clrtobol(ip); 1211 if (ip->cury > 0) 1212 { 1213 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols); 1214 attrclr(ip, 0, 0, ip->cury, ip->cols); 1215 SUBR_CURSOR(ip, DRAW_CURSOR); 1216 } 1217 } 1218 1219 static inline void 1220 ite_clrscreen(struct ite_softc *ip) 1221 { 1222 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols); 1223 attrclr(ip, 0, 0, ip->rows, ip->cols); 1224 SUBR_CURSOR(ip, DRAW_CURSOR); 1225 } 1226 1227 1228 1229 static inline void 1230 ite_dnline(struct ite_softc *ip, int n) 1231 { 1232 /* interesting.. if the cursor is outside the scrolling 1233 region, this command is simply ignored.. */ 1234 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1235 return; 1236 1237 n = min(n, ip->bottom_margin + 1 - ip->cury); 1238 if (n <= ip->bottom_margin - ip->cury) 1239 { 1240 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP); 1241 attrmov(ip, ip->cury + n, 0, ip->cury, 0, 1242 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1243 } 1244 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1245 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1246 SUBR_CURSOR(ip, DRAW_CURSOR); 1247 } 1248 1249 static inline void 1250 ite_inline(struct ite_softc *ip, 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, 0, n, SCROLL_DOWN); 1261 attrmov(ip, ip->cury, 0, ip->cury + n, 0, 1262 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1263 } 1264 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols); 1265 attrclr(ip, ip->cury, 0, n, ip->cols); 1266 SUBR_CURSOR(ip, DRAW_CURSOR); 1267 } 1268 1269 static inline void 1270 ite_lf (struct ite_softc *ip) 1271 { 1272 ++ip->cury; 1273 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows)) 1274 { 1275 ip->cury--; 1276 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1277 ite_clrline(ip); 1278 } 1279 SUBR_CURSOR(ip, MOVE_CURSOR); 1280 clr_attr(ip, ATTR_INV); 1281 } 1282 1283 static inline void 1284 ite_crlf (struct ite_softc *ip) 1285 { 1286 ip->curx = 0; 1287 ite_lf (ip); 1288 } 1289 1290 static inline void 1291 ite_cr (struct ite_softc *ip) 1292 { 1293 if (ip->curx) 1294 { 1295 ip->curx = 0; 1296 SUBR_CURSOR(ip, MOVE_CURSOR); 1297 } 1298 } 1299 1300 static inline void 1301 ite_rlf (struct ite_softc *ip) 1302 { 1303 ip->cury--; 1304 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1)) 1305 { 1306 ip->cury++; 1307 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN); 1308 ite_clrline(ip); 1309 } 1310 SUBR_CURSOR(ip, MOVE_CURSOR); 1311 clr_attr(ip, ATTR_INV); 1312 } 1313 1314 static inline int 1315 atoi (const char *cp) 1316 { 1317 int n; 1318 1319 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1320 n = n * 10 + *cp - '0'; 1321 1322 return n; 1323 } 1324 1325 static inline int 1326 ite_argnum (struct ite_softc *ip) 1327 { 1328 char ch; 1329 int n; 1330 1331 /* convert argument string into number */ 1332 if (ip->ap == ip->argbuf) 1333 return 1; 1334 ch = *ip->ap; 1335 *ip->ap = 0; 1336 n = atoi (ip->argbuf); 1337 *ip->ap = ch; 1338 1339 return n; 1340 } 1341 1342 static inline int 1343 ite_zargnum (struct ite_softc *ip) 1344 { 1345 char ch; 1346 int n; 1347 1348 /* convert argument string into number */ 1349 if (ip->ap == ip->argbuf) 1350 return 0; 1351 ch = *ip->ap; 1352 *ip->ap = 0; 1353 n = atoi (ip->argbuf); 1354 *ip->ap = ch; 1355 1356 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1357 } 1358 1359 void 1360 ite_putstr(const u_char *s, int len, dev_t dev) 1361 { 1362 struct ite_softc *ip; 1363 int i; 1364 1365 ip = getitesp(dev); 1366 1367 /* XXX avoid problems */ 1368 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1369 return; 1370 1371 SUBR_CURSOR(ip, START_CURSOROPT); 1372 for (i = 0; i < len; i++) 1373 if (s[i]) 1374 iteputchar(s[i], ip); 1375 SUBR_CURSOR(ip, END_CURSOROPT); 1376 } 1377 1378 1379 void 1380 iteputchar(register int c, struct ite_softc *ip) 1381 { 1382 struct tty *kbd_tty; 1383 int n, x, y; 1384 char *cp; 1385 1386 if (kbd_ite == NULL) 1387 kbd_tty = NULL; 1388 else 1389 kbd_tty = kbd_ite->tp; 1390 1391 if (ip->escape) 1392 { 1393 switch (ip->escape) 1394 { 1395 case ESC: 1396 switch (c) 1397 { 1398 /* first 7bit equivalents for the 8bit control characters */ 1399 1400 case 'D': 1401 c = IND; 1402 ip->escape = 0; 1403 break; /* and fall into the next switch below (same for all `break') */ 1404 1405 case 'E': 1406 c = NEL; 1407 ip->escape = 0; 1408 break; 1409 1410 case 'H': 1411 c = HTS; 1412 ip->escape = 0; 1413 break; 1414 1415 case 'M': 1416 c = RI; 1417 ip->escape = 0; 1418 break; 1419 1420 case 'N': 1421 c = SS2; 1422 ip->escape = 0; 1423 break; 1424 1425 case 'O': 1426 c = SS3; 1427 ip->escape = 0; 1428 break; 1429 1430 case 'P': 1431 c = DCS; 1432 ip->escape = 0; 1433 break; 1434 1435 case '[': 1436 c = CSI; 1437 ip->escape = 0; 1438 break; 1439 1440 case '\\': 1441 c = ST; 1442 ip->escape = 0; 1443 break; 1444 1445 case ']': 1446 c = OSC; 1447 ip->escape = 0; 1448 break; 1449 1450 case '^': 1451 c = PM; 1452 ip->escape = 0; 1453 break; 1454 1455 case '_': 1456 c = APC; 1457 ip->escape = 0; 1458 break; 1459 1460 1461 /* introduces 7/8bit control */ 1462 case ' ': 1463 /* can be followed by either F or G */ 1464 ip->escape = ' '; 1465 break; 1466 1467 1468 /* a lot of character set selections, not yet used... 1469 94-character sets: */ 1470 case '(': /* G0 */ 1471 case ')': /* G1 */ 1472 ip->escape = c; 1473 return; 1474 1475 case '*': /* G2 */ 1476 case '+': /* G3 */ 1477 case 'B': /* ASCII */ 1478 case 'A': /* ISO latin 1 */ 1479 case '<': /* user preferred suplemental */ 1480 case '0': /* dec special graphics */ 1481 1482 /* 96-character sets: */ 1483 case '-': /* G1 */ 1484 case '.': /* G2 */ 1485 case '/': /* G3 */ 1486 1487 /* national character sets: */ 1488 case '4': /* dutch */ 1489 case '5': 1490 case 'C': /* finnish */ 1491 case 'R': /* french */ 1492 case 'Q': /* french canadian */ 1493 case 'K': /* german */ 1494 case 'Y': /* italian */ 1495 case '6': /* norwegian/danish */ 1496 /* note: %5 and %6 are not supported (two chars..) */ 1497 1498 ip->escape = 0; 1499 /* just ignore for now */ 1500 return; 1501 1502 1503 /* locking shift modes (as you might guess, not yet supported..) */ 1504 case '`': 1505 ip->GR = ip->G1; 1506 ip->escape = 0; 1507 return; 1508 1509 case 'n': 1510 ip->GL = ip->G2; 1511 ip->escape = 0; 1512 return; 1513 1514 case '}': 1515 ip->GR = ip->G2; 1516 ip->escape = 0; 1517 return; 1518 1519 case 'o': 1520 ip->GL = ip->G3; 1521 ip->escape = 0; 1522 return; 1523 1524 case '|': 1525 ip->GR = ip->G3; 1526 ip->escape = 0; 1527 return; 1528 1529 1530 /* font width/height control */ 1531 case '#': 1532 ip->escape = '#'; 1533 return; 1534 1535 1536 /* hard terminal reset .. */ 1537 case 'c': 1538 ite_reset (ip); 1539 SUBR_CURSOR(ip, MOVE_CURSOR); 1540 ip->escape = 0; 1541 return; 1542 1543 1544 case '7': 1545 ip->save_curx = ip->curx; 1546 ip->save_cury = ip->cury; 1547 ip->save_attribute = ip->attribute; 1548 ip->escape = 0; 1549 return; 1550 1551 case '8': 1552 ip->curx = ip->save_curx; 1553 ip->cury = ip->save_cury; 1554 ip->attribute = ip->save_attribute; 1555 SUBR_CURSOR(ip, MOVE_CURSOR); 1556 ip->escape = 0; 1557 return; 1558 1559 case '=': 1560 ip->keypad_appmode = 1; 1561 ip->escape = 0; 1562 return; 1563 1564 case '>': 1565 ip->keypad_appmode = 0; 1566 ip->escape = 0; 1567 return; 1568 1569 case 'Z': /* request ID */ 1570 if (ip->emul_level == EMUL_VT100) 1571 ite_sendstr ("\033[?61;0c"); /* XXX not clean */ 1572 else 1573 ite_sendstr ("\033[?63;0c"); /* XXX not clean */ 1574 ip->escape = 0; 1575 return; 1576 1577 /* default catch all for not recognized ESC sequences */ 1578 default: 1579 ip->escape = 0; 1580 return; 1581 } 1582 break; 1583 1584 1585 case '(': 1586 case ')': 1587 ip->escape = 0; 1588 return; 1589 1590 1591 case ' ': 1592 switch (c) 1593 { 1594 case 'F': 1595 ip->eightbit_C1 = 0; 1596 ip->escape = 0; 1597 return; 1598 1599 case 'G': 1600 ip->eightbit_C1 = 1; 1601 ip->escape = 0; 1602 return; 1603 1604 default: 1605 /* not supported */ 1606 ip->escape = 0; 1607 return; 1608 } 1609 break; 1610 1611 1612 case '#': 1613 switch (c) 1614 { 1615 case '5': 1616 /* single height, single width */ 1617 ip->escape = 0; 1618 return; 1619 1620 case '6': 1621 /* double width, single height */ 1622 ip->escape = 0; 1623 return; 1624 1625 case '3': 1626 /* top half */ 1627 ip->escape = 0; 1628 return; 1629 1630 case '4': 1631 /* bottom half */ 1632 ip->escape = 0; 1633 return; 1634 1635 case '8': 1636 /* screen alignment pattern... */ 1637 alignment_display (ip); 1638 ip->escape = 0; 1639 return; 1640 1641 default: 1642 ip->escape = 0; 1643 return; 1644 } 1645 break; 1646 1647 1648 1649 case CSI: 1650 /* the biggie... */ 1651 switch (c) 1652 { 1653 case '0': case '1': case '2': case '3': case '4': 1654 case '5': case '6': case '7': case '8': case '9': 1655 case ';': case '\"': case '$': case '>': 1656 if (ip->ap < ip->argbuf + MAX_ARGSIZE) 1657 *ip->ap++ = c; 1658 return; 1659 1660 case BS: 1661 /* you wouldn't believe such perversion is possible? 1662 it is.. BS is allowed in between cursor sequences 1663 (at least), according to vttest.. */ 1664 if (--ip->curx < 0) 1665 ip->curx = 0; 1666 else 1667 SUBR_CURSOR(ip, MOVE_CURSOR); 1668 break; 1669 1670 case 'p': 1671 *ip->ap = 0; 1672 if (! strncmp (ip->argbuf, "61\"", 3)) 1673 ip->emul_level = EMUL_VT100; 1674 else if (! strncmp (ip->argbuf, "63;1\"", 5) 1675 || ! strncmp (ip->argbuf, "62;1\"", 5)) 1676 ip->emul_level = EMUL_VT300_7; 1677 else 1678 ip->emul_level = EMUL_VT300_8; 1679 ip->escape = 0; 1680 return; 1681 1682 1683 case '?': 1684 *ip->ap = 0; 1685 ip->escape = '?'; 1686 ip->ap = ip->argbuf; 1687 return; 1688 1689 1690 case 'c': 1691 *ip->ap = 0; 1692 if (ip->argbuf[0] == '>') 1693 { 1694 ite_sendstr ("\033[>24;0;0;0c"); 1695 } 1696 else switch (ite_zargnum(ip)) 1697 { 1698 case 0: 1699 /* primary DA request, send primary DA response */ 1700 if (ip->emul_level == EMUL_VT100) 1701 ite_sendstr ("\033[?1;1c"); 1702 else 1703 ite_sendstr ("\033[?63;1c"); 1704 break; 1705 } 1706 ip->escape = 0; 1707 return; 1708 1709 case 'n': 1710 switch (ite_zargnum(ip)) 1711 { 1712 case 5: 1713 ite_sendstr ("\033[0n"); /* no malfunction */ 1714 break; 1715 case 6: 1716 /* cursor position report */ 1717 sprintf (ip->argbuf, "\033[%d;%dR", 1718 ip->cury + 1, ip->curx + 1); 1719 ite_sendstr (ip->argbuf); 1720 break; 1721 } 1722 ip->escape = 0; 1723 return; 1724 1725 1726 case 'x': 1727 switch (ite_zargnum(ip)) 1728 { 1729 case 0: 1730 /* Fake some terminal parameters. */ 1731 ite_sendstr ("\033[2;1;1;112;112;1;0x"); 1732 break; 1733 case 1: 1734 ite_sendstr ("\033[3;1;1;112;112;1;0x"); 1735 break; 1736 } 1737 ip->escape = 0; 1738 return; 1739 1740 1741 case 'g': 1742 switch (ite_zargnum(ip)) 1743 { 1744 case 0: 1745 if (ip->curx < ip->cols) 1746 ip->tabs[ip->curx] = 0; 1747 break; 1748 case 3: 1749 for (n = 0; n < ip->cols; n++) 1750 ip->tabs[n] = 0; 1751 break; 1752 } 1753 ip->escape = 0; 1754 return; 1755 1756 1757 case 'h': case 'l': 1758 n = ite_zargnum (ip); 1759 switch (n) 1760 { 1761 case 4: 1762 ip->imode = (c == 'h'); /* insert/replace mode */ 1763 break; 1764 case 20: 1765 ip->linefeed_newline = (c == 'h'); 1766 break; 1767 } 1768 ip->escape = 0; 1769 return; 1770 1771 1772 case 'M': 1773 ite_dnline (ip, ite_argnum (ip)); 1774 ip->escape = 0; 1775 return; 1776 1777 1778 case 'L': 1779 ite_inline (ip, ite_argnum (ip)); 1780 ip->escape = 0; 1781 return; 1782 1783 1784 case 'P': 1785 ite_dnchar (ip, ite_argnum (ip)); 1786 ip->escape = 0; 1787 return; 1788 1789 1790 case '@': 1791 ite_inchar (ip, ite_argnum (ip)); 1792 ip->escape = 0; 1793 return; 1794 1795 1796 case 'G': 1797 /* this one was *not* in my vt320 manual but in 1798 a vt320 termcap entry.. who is right? 1799 It's supposed to set the horizontal cursor position. */ 1800 *ip->ap = 0; 1801 x = atoi (ip->argbuf); 1802 if (x) x--; 1803 ip->curx = min(x, ip->cols - 1); 1804 ip->escape = 0; 1805 SUBR_CURSOR(ip, MOVE_CURSOR); 1806 clr_attr (ip, ATTR_INV); 1807 return; 1808 1809 1810 case 'd': 1811 /* same thing here, this one's for setting the absolute 1812 vertical cursor position. Not documented... */ 1813 *ip->ap = 0; 1814 y = atoi (ip->argbuf); 1815 if (y) y--; 1816 if (ip->inside_margins) 1817 y += ip->top_margin; 1818 ip->cury = min(y, ip->rows - 1); 1819 ip->escape = 0; 1820 snap_cury(ip); 1821 SUBR_CURSOR(ip, MOVE_CURSOR); 1822 clr_attr (ip, ATTR_INV); 1823 return; 1824 1825 1826 case 'H': 1827 case 'f': 1828 *ip->ap = 0; 1829 y = atoi (ip->argbuf); 1830 x = 0; 1831 cp = strchr(ip->argbuf, ';'); 1832 if (cp) 1833 x = atoi (cp + 1); 1834 if (x) x--; 1835 if (y) y--; 1836 if (ip->inside_margins) 1837 y += ip->top_margin; 1838 ip->cury = min(y, ip->rows - 1); 1839 ip->curx = min(x, ip->cols - 1); 1840 ip->escape = 0; 1841 snap_cury(ip); 1842 SUBR_CURSOR(ip, MOVE_CURSOR); 1843 clr_attr (ip, ATTR_INV); 1844 return; 1845 1846 case 'A': 1847 n = ite_argnum (ip); 1848 n = ip->cury - (n ? n : 1); 1849 if (n < 0) n = 0; 1850 if (ip->inside_margins) 1851 n = max(ip->top_margin, n); 1852 else if (n == ip->top_margin - 1) 1853 /* allow scrolling outside region, but don't scroll out 1854 of active region without explicit CUP */ 1855 n = ip->top_margin; 1856 ip->cury = n; 1857 ip->escape = 0; 1858 SUBR_CURSOR(ip, MOVE_CURSOR); 1859 clr_attr (ip, ATTR_INV); 1860 return; 1861 1862 case 'B': 1863 n = ite_argnum (ip); 1864 n = ip->cury + (n ? n : 1); 1865 n = min(ip->rows - 1, n); 1866 if (ip->inside_margins) 1867 n = min(ip->bottom_margin, n); 1868 else if (n == ip->bottom_margin + 1) 1869 /* allow scrolling outside region, but don't scroll out 1870 of active region without explicit CUP */ 1871 n = ip->bottom_margin; 1872 ip->cury = n; 1873 ip->escape = 0; 1874 SUBR_CURSOR(ip, MOVE_CURSOR); 1875 clr_attr (ip, ATTR_INV); 1876 return; 1877 1878 case 'C': 1879 n = ite_argnum (ip); 1880 n = n ? n : 1; 1881 ip->curx = min(ip->curx + n, ip->cols - 1); 1882 ip->escape = 0; 1883 SUBR_CURSOR(ip, MOVE_CURSOR); 1884 clr_attr (ip, ATTR_INV); 1885 return; 1886 1887 case 'D': 1888 n = ite_argnum (ip); 1889 n = n ? n : 1; 1890 n = ip->curx - n; 1891 ip->curx = n >= 0 ? n : 0; 1892 ip->escape = 0; 1893 SUBR_CURSOR(ip, MOVE_CURSOR); 1894 clr_attr (ip, ATTR_INV); 1895 return; 1896 1897 1898 1899 1900 case 'J': 1901 *ip->ap = 0; 1902 n = ite_zargnum (ip); 1903 if (n == 0) 1904 ite_clrtoeos(ip); 1905 else if (n == 1) 1906 ite_clrtobos(ip); 1907 else if (n == 2) 1908 ite_clrscreen(ip); 1909 ip->escape = 0; 1910 return; 1911 1912 1913 case 'K': 1914 n = ite_zargnum (ip); 1915 if (n == 0) 1916 ite_clrtoeol(ip); 1917 else if (n == 1) 1918 ite_clrtobol(ip); 1919 else if (n == 2) 1920 ite_clrline(ip); 1921 ip->escape = 0; 1922 return; 1923 1924 1925 case 'X': 1926 n = ite_argnum(ip) - 1; 1927 n = min(n, ip->cols - 1 - ip->curx); 1928 for (; n >= 0; n--) 1929 { 1930 attrclr(ip, ip->cury, ip->curx + n, 1, 1); 1931 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1932 } 1933 ip->escape = 0; 1934 return; 1935 1936 1937 case '}': case '`': 1938 /* status line control */ 1939 ip->escape = 0; 1940 return; 1941 1942 1943 case 'r': 1944 *ip->ap = 0; 1945 x = atoi (ip->argbuf); 1946 x = x ? x : 1; 1947 y = ip->rows; 1948 cp = strchr(ip->argbuf, ';'); 1949 if (cp) 1950 { 1951 y = atoi (cp + 1); 1952 y = y ? y : ip->rows; 1953 } 1954 if (y - x < 2) 1955 { 1956 /* if illegal scrolling region, reset to defaults */ 1957 x = 1; 1958 y = ip->rows; 1959 } 1960 x--; 1961 y--; 1962 ip->top_margin = min(x, ip->rows - 1); 1963 ip->bottom_margin = min(y, ip->rows - 1); 1964 if (ip->inside_margins) 1965 { 1966 ip->cury = ip->top_margin; 1967 ip->curx = 0; 1968 SUBR_CURSOR(ip, MOVE_CURSOR); 1969 } 1970 ip->escape = 0; 1971 return; 1972 1973 1974 case 'm': 1975 /* big attribute setter/resetter */ 1976 { 1977 char *chp; 1978 *ip->ap = 0; 1979 /* kludge to make CSIm work (== CSI0m) */ 1980 if (ip->ap == ip->argbuf) 1981 ip->ap++; 1982 for (chp = ip->argbuf; chp < ip->ap; ) 1983 { 1984 switch (*chp) 1985 { 1986 case 0: 1987 case '0': 1988 clr_attr (ip, ATTR_ALL); 1989 chp++; 1990 break; 1991 1992 case '1': 1993 set_attr (ip, ATTR_BOLD); 1994 chp++; 1995 break; 1996 1997 case '2': 1998 switch (chp[1]) 1999 { 2000 case '2': 2001 clr_attr (ip, ATTR_BOLD); 2002 chp += 2; 2003 break; 2004 2005 case '4': 2006 clr_attr (ip, ATTR_UL); 2007 chp += 2; 2008 break; 2009 2010 case '5': 2011 clr_attr (ip, ATTR_BLINK); 2012 chp += 2; 2013 break; 2014 2015 case '7': 2016 clr_attr (ip, ATTR_INV); 2017 chp += 2; 2018 break; 2019 2020 default: 2021 chp++; 2022 break; 2023 } 2024 break; 2025 2026 case '4': 2027 set_attr (ip, ATTR_UL); 2028 chp++; 2029 break; 2030 2031 case '5': 2032 set_attr (ip, ATTR_BLINK); 2033 chp++; 2034 break; 2035 2036 case '7': 2037 set_attr (ip, ATTR_INV); 2038 chp++; 2039 break; 2040 2041 default: 2042 chp++; 2043 break; 2044 } 2045 } 2046 2047 } 2048 ip->escape = 0; 2049 return; 2050 2051 2052 case 'u': 2053 /* DECRQTSR */ 2054 ite_sendstr ("\033P\033\\"); 2055 ip->escape = 0; 2056 return; 2057 2058 2059 2060 default: 2061 ip->escape = 0; 2062 return; 2063 } 2064 break; 2065 2066 2067 2068 case '?': /* CSI ? */ 2069 switch (c) 2070 { 2071 case '0': case '1': case '2': case '3': case '4': 2072 case '5': case '6': case '7': case '8': case '9': 2073 case ';': case '\"': case '$': 2074 /* Don't fill the last character; it's needed. */ 2075 /* XXX yeah, where ?? */ 2076 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1) 2077 *ip->ap++ = c; 2078 return; 2079 2080 2081 case 'n': 2082 *ip->ap = 0; 2083 if (ip->ap == &ip->argbuf[2]) 2084 { 2085 if (! strncmp (ip->argbuf, "15", 2)) 2086 /* printer status: no printer */ 2087 ite_sendstr ("\033[13n"); 2088 2089 else if (! strncmp (ip->argbuf, "25", 2)) 2090 /* udk status */ 2091 ite_sendstr ("\033[20n"); 2092 2093 else if (! strncmp (ip->argbuf, "26", 2)) 2094 /* keyboard dialect: US */ 2095 ite_sendstr ("\033[27;1n"); 2096 } 2097 ip->escape = 0; 2098 return; 2099 2100 2101 case 'h': case 'l': 2102 n = ite_zargnum (ip); 2103 switch (n) 2104 { 2105 case 1: 2106 ip->cursor_appmode = (c == 'h'); 2107 break; 2108 2109 case 3: 2110 /* 132/80 columns (132 == 'h') */ 2111 break; 2112 2113 case 4: /* smooth scroll */ 2114 break; 2115 2116 case 5: 2117 /* light background (=='h') /dark background(=='l') */ 2118 break; 2119 2120 case 6: /* origin mode */ 2121 ip->inside_margins = (c == 'h'); 2122 ip->curx = 0; 2123 ip->cury = ip->inside_margins ? ip->top_margin : 0; 2124 SUBR_CURSOR(ip, MOVE_CURSOR); 2125 break; 2126 2127 case 7: /* auto wraparound */ 2128 ip->auto_wrap = (c == 'h'); 2129 break; 2130 2131 case 8: /* keyboard repeat */ 2132 ip->key_repeat = (c == 'h'); 2133 break; 2134 2135 case 20: /* newline mode */ 2136 ip->linefeed_newline = (c == 'h'); 2137 break; 2138 2139 case 25: /* cursor on/off */ 2140 SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR); 2141 break; 2142 } 2143 ip->escape = 0; 2144 return; 2145 2146 default: 2147 ip->escape = 0; 2148 return; 2149 } 2150 break; 2151 2152 2153 default: 2154 ip->escape = 0; 2155 return; 2156 } 2157 } 2158 2159 switch (c) { 2160 2161 case VT: /* VT is treated like LF */ 2162 case FF: /* so is FF */ 2163 case LF: 2164 /* cr->crlf distinction is done here, on output, 2165 not on input! */ 2166 if (ip->linefeed_newline) 2167 ite_crlf (ip); 2168 else 2169 ite_lf (ip); 2170 break; 2171 2172 case CR: 2173 ite_cr (ip); 2174 break; 2175 2176 case BS: 2177 if (--ip->curx < 0) 2178 ip->curx = 0; 2179 else 2180 SUBR_CURSOR(ip, MOVE_CURSOR); 2181 break; 2182 2183 case HT: 2184 for (n = ip->curx + 1; n < ip->cols; n++) { 2185 if (ip->tabs[n]) { 2186 ip->curx = n; 2187 SUBR_CURSOR(ip, MOVE_CURSOR); 2188 break; 2189 } 2190 } 2191 break; 2192 2193 case BEL: 2194 if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty) 2195 kbdbell(); 2196 break; 2197 2198 case SO: 2199 ip->GL = ip->G1; 2200 break; 2201 2202 case SI: 2203 ip->GL = ip->G0; 2204 break; 2205 2206 case ENQ: 2207 /* send answer-back message !! */ 2208 break; 2209 2210 case CAN: 2211 ip->escape = 0; /* cancel any escape sequence in progress */ 2212 break; 2213 2214 case SUB: 2215 ip->escape = 0; /* dito, but see below */ 2216 /* should also display a reverse question mark!! */ 2217 break; 2218 2219 case ESC: 2220 ip->escape = ESC; 2221 break; 2222 2223 2224 /* now it gets weird.. 8bit control sequences.. */ 2225 case IND: /* index: move cursor down, scroll */ 2226 ite_lf (ip); 2227 break; 2228 2229 case NEL: /* next line. next line, first pos. */ 2230 ite_crlf (ip); 2231 break; 2232 2233 case HTS: /* set horizontal tab */ 2234 if (ip->curx < ip->cols) 2235 ip->tabs[ip->curx] = 1; 2236 break; 2237 2238 case RI: /* reverse index */ 2239 ite_rlf (ip); 2240 break; 2241 2242 case SS2: /* go into G2 for one character */ 2243 /* not yet supported */ 2244 break; 2245 2246 case SS3: /* go into G3 for one character */ 2247 break; 2248 2249 case DCS: /* device control string introducer */ 2250 ip->escape = DCS; 2251 ip->ap = ip->argbuf; 2252 break; 2253 2254 case CSI: /* control sequence introducer */ 2255 ip->escape = CSI; 2256 ip->ap = ip->argbuf; 2257 break; 2258 2259 case ST: /* string terminator */ 2260 /* ignore, if not used as terminator */ 2261 break; 2262 2263 case OSC: /* introduces OS command. Ignore everything upto ST */ 2264 ip->escape = OSC; 2265 break; 2266 2267 case PM: /* privacy message, ignore everything upto ST */ 2268 ip->escape = PM; 2269 break; 2270 2271 case APC: /* application program command, ignore everything upto ST */ 2272 ip->escape = APC; 2273 break; 2274 2275 default: 2276 if (c < ' ' || c == DEL) 2277 break; 2278 if (ip->imode) 2279 ite_inchar(ip, 1); 2280 iteprecheckwrap(ip); 2281 #ifdef DO_WEIRD_ATTRIBUTES 2282 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) { 2283 attrset(ip, ATTR_INV); 2284 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV); 2285 } 2286 else 2287 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR); 2288 #else 2289 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute); 2290 #endif 2291 SUBR_CURSOR(ip, DRAW_CURSOR); 2292 itecheckwrap(ip); 2293 break; 2294 } 2295 } 2296 2297 static void 2298 iteprecheckwrap(struct ite_softc *ip) 2299 { 2300 if (ip->auto_wrap && ip->curx == ip->cols) { 2301 ip->curx = 0; 2302 clr_attr(ip, ATTR_INV); 2303 if (++ip->cury >= ip->bottom_margin + 1) { 2304 ip->cury = ip->bottom_margin; 2305 SUBR_CURSOR(ip, MOVE_CURSOR); 2306 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 2307 ite_clrtoeol(ip); 2308 } else 2309 SUBR_CURSOR(ip, MOVE_CURSOR); 2310 } 2311 } 2312 2313 static void 2314 itecheckwrap(struct ite_softc *ip) 2315 { 2316 if (ip->curx < ip->cols) { 2317 ip->curx++; 2318 SUBR_CURSOR(ip, MOVE_CURSOR); 2319 } 2320 } 2321