6a7edf0b56
Integrate patches from der Mouse (8-bit cleanliness, FULLSCREEN option, SMALLFONT option). The (MD) caller of rcons_init() is now responsible for initialising `rc_font'.
598 lines
15 KiB
C
598 lines
15 KiB
C
/* $NetBSD: rcons_subr.c,v 1.2 1995/10/04 23:57:26 pk Exp $ */
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/*
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratory.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)rcons_subr.c 8.1 (Berkeley) 6/11/93
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*/
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#ifdef _KERNEL
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#include <sys/param.h>
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#include <sys/device.h>
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#else
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#include <sys/types.h>
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#include "myfbdevice.h"
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#endif
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#include <dev/rcons/rcons.h>
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#include <dev/rcons/raster.h>
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#include "rcons_subr.h"
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extern void rcons_bell(struct rconsole *);
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#define RCONS_ISPRINT(c) ((((c) >= ' ') && ((c) <= '~')) || ((c) > 160))
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#define RCONS_ISDIGIT(c) ((c) >= '0' && (c) <= '9')
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/* Output (or at least handle) a string sent to the console */
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void
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rcons_puts(rc, str, n)
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register struct rconsole *rc;
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register unsigned char *str;
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register int n;
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{
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register int c, i, j;
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register unsigned char *cp;
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/* Jump scroll */
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/* XXX maybe this should be an option? */
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if ((rc->rc_bits & FB_INESC) == 0) {
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/* Count newlines up to an escape sequence */
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i = 0;
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j = 0;
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for (cp = str; j++ < n && *cp != '\033'; ++cp) {
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if (*cp == '\n')
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++i;
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else if (*cp == '\013')
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--i;
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}
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/* Only jump scroll two or more rows */
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if (*rc->rc_row + i >= rc->rc_maxrow + 1) {
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/* Erase the cursor (if necessary) */
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if (rc->rc_bits & FB_CURSOR)
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rcons_cursor(rc);
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rcons_scroll(rc, i);
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}
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}
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/* Process characters */
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while (--n >= 0) {
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c = *str;
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if (c == '\033') {
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/* Start an escape (perhaps aborting one in progress) */
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rc->rc_bits |= FB_INESC | FB_P0_DEFAULT | FB_P1_DEFAULT;
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rc->rc_bits &= ~(FB_P0 | FB_P1);
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/* Most parameters default to 1 */
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rc->rc_p0 = rc->rc_p1 = 1;
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} else if (rc->rc_bits & FB_INESC) {
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rcons_esc(rc, c);
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} else {
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/* Erase the cursor (if necessary) */
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if (rc->rc_bits & FB_CURSOR)
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rcons_cursor(rc);
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/* Display the character */
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if (RCONS_ISPRINT(c)) {
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/* Try to output as much as possible */
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j = rc->rc_maxcol - (*rc->rc_col + 1);
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if (j > n)
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j = n;
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for (i = 1; i < j && RCONS_ISPRINT(str[i]); ++i)
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continue;
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rcons_text(rc, str, i);
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--i;
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str += i;
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n -= i;
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} else
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rcons_pctrl(rc, c);
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}
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++str;
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}
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/* Redraw the cursor (if necessary) */
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if ((rc->rc_bits & FB_CURSOR) == 0)
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rcons_cursor(rc);
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}
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/* Actually write a string to the frame buffer */
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void
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rcons_text(rc, str, n)
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register struct rconsole *rc;
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register unsigned char *str;
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register int n;
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{
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register int x, y, op;
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x = *rc->rc_col * rc->rc_font->width + rc->rc_xorigin;
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y = *rc->rc_row * rc->rc_font->height +
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rc->rc_font->ascent + rc->rc_yorigin;
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op = RAS_SRC;
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if (((rc->rc_bits & FB_STANDOUT) != 0) ^
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((rc->rc_bits & FB_INVERT) != 0))
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op = RAS_NOT(op);
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raster_textn(rc->rc_sp, x, y, op, rc->rc_font, str, n);
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*rc->rc_col += n;
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if (*rc->rc_col >= rc->rc_maxcol) {
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*rc->rc_col = 0;
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(*rc->rc_row)++;
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}
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if (*rc->rc_row >= rc->rc_maxrow)
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rcons_scroll(rc, 1);
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}
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/* Handle a control character sent to the console */
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void
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rcons_pctrl(rc, c)
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register struct rconsole *rc;
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register int c;
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{
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switch (c) {
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case '\r': /* Carriage return */
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*rc->rc_col = 0;
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break;
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case '\b': /* Backspace */
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if (*rc->rc_col > 0)
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(*rc->rc_col)--;
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break;
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case '\013': /* Vertical tab */
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if (*rc->rc_row > 0)
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(*rc->rc_row)--;
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break;
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case '\f': /* Formfeed */
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*rc->rc_row = *rc->rc_col = 0;
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rcons_clear2eop(rc);
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break;
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case '\n': /* Linefeed */
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(*rc->rc_row)++;
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if (*rc->rc_row >= rc->rc_maxrow)
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rcons_scroll(rc, 1);
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break;
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case '\007': /* Bell */
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rcons_bell(rc);
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break;
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case '\t': /* Horizontal tab */
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*rc->rc_col = (*rc->rc_col + 8) & ~7;
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if (*rc->rc_col >= rc->rc_maxcol)
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*rc->rc_col = rc->rc_maxcol - 1;
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break;
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}
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}
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/* Handle the next character in an escape sequence */
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void
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rcons_esc(rc, c)
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register struct rconsole *rc;
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register int c;
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{
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if (c == '[') {
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/* Parameter 0 */
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rc->rc_bits &= ~FB_P1;
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rc->rc_bits |= FB_P0;
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} else if (c == ';') {
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/* Parameter 1 */
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rc->rc_bits &= ~FB_P0;
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rc->rc_bits |= FB_P1;
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} else if (RCONS_ISDIGIT(c)) {
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/* Add a digit to a parameter */
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if (rc->rc_bits & FB_P0) {
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/* Parameter 0 */
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if (rc->rc_bits & FB_P0_DEFAULT) {
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rc->rc_bits &= ~FB_P0_DEFAULT;
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rc->rc_p0 = 0;
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}
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rc->rc_p0 *= 10;
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rc->rc_p0 += c - '0';
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} else if (rc->rc_bits & FB_P1) {
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/* Parameter 1 */
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if (rc->rc_bits & FB_P1_DEFAULT) {
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rc->rc_bits &= ~FB_P1_DEFAULT;
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rc->rc_p1 = 0;
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}
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rc->rc_p1 *= 10;
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rc->rc_p1 += c - '0';
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}
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} else {
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/* Erase the cursor (if necessary) */
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if (rc->rc_bits & FB_CURSOR)
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rcons_cursor(rc);
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/* Process the completed escape sequence */
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rcons_doesc(rc, c);
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rc->rc_bits &= ~FB_INESC;
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}
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}
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/* Process a complete escape sequence */
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void
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rcons_doesc(rc, c)
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register struct rconsole *rc;
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register int c;
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{
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#ifdef notdef
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/* XXX add escape sequence to enable visual (and audible) bell */
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rc->rc_bits = FB_VISBELL;
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#endif
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switch (c) {
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case '@':
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/* Insert Character (ICH) */
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rcons_insertchar(rc, rc->rc_p0);
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break;
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case 'A':
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/* Cursor Up (CUU) */
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*rc->rc_row -= rc->rc_p0;
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if (*rc->rc_row < 0)
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*rc->rc_row = 0;
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break;
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case 'B':
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/* Cursor Down (CUD) */
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*rc->rc_row += rc->rc_p0;
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if (*rc->rc_row >= rc->rc_maxrow)
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*rc->rc_row = rc->rc_maxrow - 1;
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break;
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case 'C':
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/* Cursor Forward (CUF) */
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*rc->rc_col += rc->rc_p0;
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if (*rc->rc_col >= rc->rc_maxcol)
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*rc->rc_col = rc->rc_maxcol - 1;
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break;
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case 'D':
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/* Cursor Backward (CUB) */
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*rc->rc_col -= rc->rc_p0;
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if (*rc->rc_col < 0)
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*rc->rc_col = 0;
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break;
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case 'E':
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/* Cursor Next Line (CNL) */
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*rc->rc_col = 0;
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*rc->rc_row += rc->rc_p0;
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if (*rc->rc_row >= rc->rc_maxrow)
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*rc->rc_row = rc->rc_maxrow - 1;
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break;
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case 'f':
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/* Horizontal And Vertical Position (HVP) */
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case 'H':
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/* Cursor Position (CUP) */
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*rc->rc_col = rc->rc_p1 - 1;
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if (*rc->rc_col < 0)
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*rc->rc_col = 0;
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else if (*rc->rc_col >= rc->rc_maxcol)
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*rc->rc_col = rc->rc_maxcol - 1;
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*rc->rc_row = rc->rc_p0 - 1;
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if (*rc->rc_row < 0)
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*rc->rc_row = 0;
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else if (*rc->rc_row >= rc->rc_maxrow)
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*rc->rc_row = rc->rc_maxrow - 1;
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break;
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case 'J':
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/* Erase in Display (ED) */
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rcons_clear2eop(rc);
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break;
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case 'K':
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/* Erase in Line (EL) */
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rcons_clear2eol(rc);
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break;
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case 'L':
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/* Insert Line (IL) */
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rcons_insertline(rc, rc->rc_p0);
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break;
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case 'M':
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/* Delete Line (DL) */
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rcons_delline(rc, rc->rc_p0);
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break;
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case 'P':
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/* Delete Character (DCH) */
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rcons_delchar(rc, rc->rc_p0);
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break;
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case 'm':
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/* Select Graphic Rendition (SGR); */
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/* (defaults to zero) */
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if (rc->rc_bits & FB_P0_DEFAULT)
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rc->rc_p0 = 0;
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if (rc->rc_p0)
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rc->rc_bits |= FB_STANDOUT;
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else
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rc->rc_bits &= ~FB_STANDOUT;
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break;
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case 'p':
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/* Black On White (SUNBOW) */
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rcons_invert(rc, 0);
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break;
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case 'q':
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/* White On Black (SUNWOB) */
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rcons_invert(rc, 1);
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break;
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case 'r':
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/* Set scrolling (SUNSCRL) */
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/* (defaults to zero) */
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if (rc->rc_bits & FB_P0_DEFAULT)
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rc->rc_p0 = 0;
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/* XXX not implemented yet */
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rc->rc_scroll = rc->rc_p0;
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break;
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case 's':
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/* Reset terminal emulator (SUNRESET) */
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rc->rc_bits &= ~FB_STANDOUT;
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rc->rc_scroll = 0;
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if (rc->rc_bits & FB_INVERT)
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rcons_invert(rc, 0);
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break;
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}
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}
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/* Paint (or unpaint) the cursor */
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void
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rcons_cursor(rc)
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register struct rconsole *rc;
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{
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register int x, y;
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x = *rc->rc_col * rc->rc_font->width + rc->rc_xorigin;
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y = *rc->rc_row * rc->rc_font->height + rc->rc_yorigin;
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raster_op(rc->rc_sp, x, y,
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#ifdef notdef
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/* XXX This is the right way but too slow */
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rc->rc_font->chars[(int)' '].r->width,
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rc->rc_font->chars[(int)' '].r->height,
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#else
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rc->rc_font->width, rc->rc_font->height,
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#endif
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RAS_INVERT, (struct raster *) 0, 0, 0);
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rc->rc_bits ^= FB_CURSOR;
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}
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/* Possibly change to SUNWOB or SUNBOW mode */
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void
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rcons_invert(rc, wob)
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struct rconsole *rc;
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int wob;
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{
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if (((rc->rc_bits & FB_INVERT) != 0) ^ wob) {
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/* Invert the display */
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raster_op(rc->rc_sp, 0, 0, rc->rc_sp->width, rc->rc_sp->height,
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RAS_INVERT, (struct raster *) 0, 0, 0);
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/* Swap things around */
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rc->rc_ras_blank = RAS_NOT(rc->rc_ras_blank);
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rc->rc_bits ^= FB_INVERT;
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}
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}
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/* Clear to the end of the page */
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void
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rcons_clear2eop(rc)
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register struct rconsole *rc;
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{
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register int y;
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if (*rc->rc_col == 0 && *rc->rc_row == 0) {
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/* Clear the entire frame buffer */
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raster_op(rc->rc_sp, 0, 0,
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rc->rc_sp->width, rc->rc_sp->height,
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rc->rc_ras_blank, (struct raster *) 0, 0, 0);
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} else {
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/* Only clear what needs to be cleared */
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rcons_clear2eol(rc);
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y = (*rc->rc_row + 1) * rc->rc_font->height;
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raster_op(rc->rc_sp, rc->rc_xorigin, rc->rc_yorigin + y,
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rc->rc_emuwidth, rc->rc_emuheight - y,
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rc->rc_ras_blank, (struct raster *) 0, 0, 0);
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}
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}
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/* Clear to the end of the line */
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void
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rcons_clear2eol(rc)
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register struct rconsole *rc;
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{
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register int x;
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x = *rc->rc_col * rc->rc_font->width;
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raster_op(rc->rc_sp,
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rc->rc_xorigin + x,
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*rc->rc_row * rc->rc_font->height + rc->rc_yorigin,
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rc->rc_emuwidth - x, rc->rc_font->height,
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rc->rc_ras_blank, (struct raster *) 0, 0, 0);
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}
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/* Scroll up one line */
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void
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rcons_scroll(rc, n)
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register struct rconsole *rc;
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register int n;
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{
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register int ydiv;
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/* Can't scroll more than the whole screen */
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if (n > rc->rc_maxrow)
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n = rc->rc_maxrow;
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/* Calculate new row */
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*rc->rc_row -= n;
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if (*rc->rc_row < 0)
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*rc->rc_row = 0;
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/* Calculate number of pixels to scroll */
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ydiv = rc->rc_font->height * n;
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raster_op(rc->rc_sp, rc->rc_xorigin, rc->rc_yorigin,
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rc->rc_emuwidth, rc->rc_emuheight - ydiv,
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RAS_SRC, rc->rc_sp, rc->rc_xorigin, ydiv + rc->rc_yorigin);
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raster_op(rc->rc_sp,
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rc->rc_xorigin, rc->rc_yorigin + rc->rc_emuheight - ydiv,
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rc->rc_emuwidth, ydiv, rc->rc_ras_blank, (struct raster *) 0, 0, 0);
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}
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/* Delete characters */
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void
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rcons_delchar(rc, n)
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register struct rconsole *rc;
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register int n;
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{
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register int tox, fromx, y, width;
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/* Can't delete more chars than there are */
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if (n > rc->rc_maxcol - *rc->rc_col)
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n = rc->rc_maxcol - *rc->rc_col;
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fromx = (*rc->rc_col + n) * rc->rc_font->width;
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tox = *rc->rc_col * rc->rc_font->width;
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y = *rc->rc_row * rc->rc_font->height;
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width = n * rc->rc_font->width;
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raster_op(rc->rc_sp, tox + rc->rc_xorigin, y + rc->rc_yorigin,
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rc->rc_emuwidth - fromx, rc->rc_font->height,
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|
RAS_SRC, rc->rc_sp, fromx + rc->rc_xorigin, y + rc->rc_yorigin);
|
|
|
|
raster_op(rc->rc_sp,
|
|
rc->rc_emuwidth - width + rc->rc_xorigin, y + rc->rc_yorigin,
|
|
width, rc->rc_font->height,
|
|
rc->rc_ras_blank, (struct raster *) 0, 0, 0);
|
|
}
|
|
|
|
/* Delete a number of lines */
|
|
void
|
|
rcons_delline(rc, n)
|
|
register struct rconsole *rc;
|
|
register int n;
|
|
{
|
|
register int fromy, toy, height;
|
|
|
|
/* Can't delete more lines than there are */
|
|
if (n > rc->rc_maxrow - *rc->rc_row)
|
|
n = rc->rc_maxrow - *rc->rc_row;
|
|
|
|
fromy = (*rc->rc_row + n) * rc->rc_font->height;
|
|
toy = *rc->rc_row * rc->rc_font->height;
|
|
height = rc->rc_font->height * n;
|
|
|
|
raster_op(rc->rc_sp, rc->rc_xorigin, toy + rc->rc_yorigin,
|
|
rc->rc_emuwidth, rc->rc_emuheight - fromy, RAS_SRC,
|
|
rc->rc_sp, rc->rc_xorigin, fromy + rc->rc_yorigin);
|
|
|
|
raster_op(rc->rc_sp,
|
|
rc->rc_xorigin, rc->rc_emuheight - height + rc->rc_yorigin,
|
|
rc->rc_emuwidth, height,
|
|
rc->rc_ras_blank, (struct raster *) 0, 0, 0);
|
|
}
|
|
|
|
/* Insert some characters */
|
|
void
|
|
rcons_insertchar(rc, n)
|
|
register struct rconsole *rc;
|
|
register int n;
|
|
{
|
|
register int tox, fromx, y;
|
|
|
|
/* Can't insert more chars than can fit */
|
|
if (n > rc->rc_maxcol - *rc->rc_col)
|
|
n = rc->rc_maxcol - *rc->rc_col;
|
|
|
|
tox = (*rc->rc_col + n) * rc->rc_font->width;
|
|
fromx = *rc->rc_col * rc->rc_font->width;
|
|
y = *rc->rc_row * rc->rc_font->height;
|
|
|
|
raster_op(rc->rc_sp, tox + rc->rc_xorigin, y + rc->rc_yorigin,
|
|
rc->rc_emuwidth - tox, rc->rc_font->height,
|
|
RAS_SRC, rc->rc_sp, fromx + rc->rc_xorigin, y + rc->rc_yorigin);
|
|
|
|
raster_op(rc->rc_sp, fromx + rc->rc_xorigin, y + rc->rc_yorigin,
|
|
rc->rc_font->width * n, rc->rc_font->height,
|
|
rc->rc_ras_blank, (struct raster *) 0, 0, 0);
|
|
}
|
|
|
|
/* Insert some lines */
|
|
void
|
|
rcons_insertline(rc, n)
|
|
register struct rconsole *rc;
|
|
register int n;
|
|
{
|
|
register int fromy, toy;
|
|
|
|
/* Can't insert more lines than can fit */
|
|
if (n > rc->rc_maxrow - *rc->rc_row)
|
|
n = rc->rc_maxrow - *rc->rc_row;
|
|
|
|
toy = (*rc->rc_row + n) * rc->rc_font->height;
|
|
fromy = *rc->rc_row * rc->rc_font->height;
|
|
|
|
raster_op(rc->rc_sp, rc->rc_xorigin, toy + rc->rc_yorigin,
|
|
rc->rc_emuwidth, rc->rc_emuheight - toy,
|
|
RAS_SRC, rc->rc_sp, rc->rc_xorigin, fromy + rc->rc_yorigin);
|
|
|
|
raster_op(rc->rc_sp, rc->rc_xorigin, fromy + rc->rc_yorigin,
|
|
rc->rc_emuwidth, rc->rc_font->height * n,
|
|
rc->rc_ras_blank, (struct raster *) 0, 0, 0);
|
|
}
|