1999-03-26 02:20:00 +03:00
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/* $NetBSD: ite_cl.c,v 1.3 1999/03/25 23:20:00 is Exp $ */
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1995-04-23 20:20:43 +04:00
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/*
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* Copyright (c) 1995 Ezra Story
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* Copyright (c) 1995 Kari Mettinen
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* Copyright (c) 1994 Markus Wild
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* Copyright (c) 1994 Lutz Vieweg
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* All rights reserved.
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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 Lutz Vieweg.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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1999-03-26 02:20:00 +03:00
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#include "opt_amigacons.h"
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1995-04-23 20:20:43 +04:00
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#include "grfcl.h"
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#if NGRFCL > 0
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/proc.h>
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#include <sys/device.h>
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#include <sys/ioctl.h>
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#include <sys/tty.h>
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#include <sys/systm.h>
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#include <dev/cons.h>
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#include <machine/cpu.h>
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#include <amiga/amiga/device.h>
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#include <amiga/dev/grfioctl.h>
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#include <amiga/dev/grfvar.h>
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#include <amiga/dev/grf_clreg.h>
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#include <amiga/dev/itevar.h>
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#ifdef CL5426CONSOLE
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int cl_console = 1;
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#else
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int cl_console = 0;
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#endif
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void cl_init __P((struct ite_softc *ip));
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void cl_cursor __P((struct ite_softc *ip, int flag));
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void cl_deinit __P((struct ite_softc *ip));
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void cl_putc __P((struct ite_softc *ip, int c, int dy, int dx, int mode));
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void cl_clear __P((struct ite_softc *ip, int sy, int sx, int h, int w));
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void cl_scroll __P((struct ite_softc *ip, int sy, int sx, int count,
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int dir));
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/*
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* Called to determine ite status. Because the connection between the
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* console & ite in this driver is rather intimate, we return CN_DEAD
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* if the cl_console is not active.
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*/
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int
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grfcl_cnprobe(void)
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{
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static int done;
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int rv;
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if (cl_console && (done == 0))
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rv = CN_INTERNAL;
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else
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rv = CN_DEAD;
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done = 1;
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return(rv);
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}
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void
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grfcl_iteinit(gp)
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struct grf_softc *gp;
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{
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gp->g_iteinit = cl_init;
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gp->g_itedeinit = cl_deinit;
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gp->g_iteclear = cl_clear;
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gp->g_iteputc = cl_putc;
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gp->g_itescroll = cl_scroll;
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gp->g_itecursor = cl_cursor;
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}
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void
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cl_init(ip)
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struct ite_softc *ip;
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{
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struct grfcltext_mode *md;
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ip->priv = ip->grf->g_data;
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md = (struct grfcltext_mode *) ip->priv;
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ip->cols = md->cols;
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ip->rows = md->rows;
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}
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void
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cl_cursor(ip, flag)
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struct ite_softc *ip;
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int flag;
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{
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volatile u_char *ba = ip->grf->g_regkva;
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switch (flag) {
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case DRAW_CURSOR:
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/*WCrt(ba, CRT_ID_CURSOR_START, & ~0x20); */
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case MOVE_CURSOR:
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flag = ip->curx + ip->cury * ip->cols;
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WCrt(ba, CRT_ID_CURSOR_LOC_LOW, flag & 0xff);
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WCrt(ba, CRT_ID_CURSOR_LOC_HIGH, flag >> 8);
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ip->cursorx = ip->curx;
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ip->cursory = ip->cury;
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break;
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case ERASE_CURSOR:
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/*WCrt(ba, CRT_ID_CURSOR_START, | 0x20); */
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case START_CURSOROPT:
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case END_CURSOROPT:
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default:
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break;
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}
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}
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void
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cl_deinit(ip)
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struct ite_softc *ip;
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{
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ip->flags &= ~ITE_INITED;
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}
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void
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cl_putc(ip, c, dy, dx, mode)
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struct ite_softc *ip;
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int c;
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int dy;
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int dx;
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int mode;
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{
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volatile unsigned char *ba = ip->grf->g_regkva;
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unsigned char *fb = ip->grf->g_fbkva;
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unsigned char attr;
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unsigned char *cp;
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attr =(unsigned char) ((mode & ATTR_INV) ? (0x70) : (0x07));
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if (mode & ATTR_UL) attr = 0x01; /* ???????? */
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if (mode & ATTR_BOLD) attr |= 0x08;
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if (mode & ATTR_BLINK) attr |= 0x80;
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cp = fb + ((dy * ip->cols) + dx);
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SetTextPlane(ba,0x00);
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*cp = (unsigned char) c;
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SetTextPlane(ba,0x01);
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*cp = (unsigned char) attr;
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}
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void
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cl_clear(ip, sy, sx, h, w)
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struct ite_softc *ip;
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int sy;
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int sx;
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int h;
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int w;
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{
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/* cl_clear and cl_scroll both rely on ite passing arguments
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* which describe continuous regions. For a VT200 terminal,
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* this is safe behavior.
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*/
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unsigned char *src, *dst;
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volatile unsigned char *ba = ip->grf->g_regkva;
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int len;
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dst = ip->grf->g_fbkva + (sy * ip->cols) + sx;
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src = dst + (ip->rows*ip->cols);
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len = w*h;
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SetTextPlane(ba, 0x00);
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bcopy(src, dst, len);
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SetTextPlane(ba, 0x01);
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bcopy(src, dst, len);
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}
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void
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cl_scroll(ip, sy, sx, count, dir)
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struct ite_softc *ip;
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int sy;
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int sx;
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int count;
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int dir;
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{
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unsigned char *fb;
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volatile unsigned char *ba = ip->grf->g_regkva;
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fb = ip->grf->g_fbkva + sy * ip->cols;
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SetTextPlane(ba, 0x00);
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switch (dir) {
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case SCROLL_UP:
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bcopy(fb, fb - (count * ip->cols),
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(ip->bottom_margin + 1 - sy) * ip->cols);
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break;
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case SCROLL_DOWN:
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bcopy(fb, fb + (count * ip->cols),
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(ip->bottom_margin + 1 - (sy + count)) * ip->cols);
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break;
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case SCROLL_RIGHT:
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bcopy(fb+sx, fb+sx+count, ip->cols - (sx + count));
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break;
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case SCROLL_LEFT:
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bcopy(fb+sx, fb+sx-count, ip->cols - sx);
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break;
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}
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SetTextPlane(ba, 0x01);
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switch (dir) {
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case SCROLL_UP:
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bcopy(fb, fb - (count * ip->cols),
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(ip->bottom_margin + 1 - sy) * ip->cols);
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break;
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case SCROLL_DOWN:
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bcopy(fb, fb + (count * ip->cols),
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(ip->bottom_margin + 1 - (sy + count)) * ip->cols);
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break;
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case SCROLL_RIGHT:
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bcopy(fb+sx, fb+sx+count, ip->cols - (sx + count));
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break;
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case SCROLL_LEFT:
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bcopy(fb+sx, fb+sx-count, ip->cols - sx);
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break;
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}
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}
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#endif /* NGRFCL */
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