380 lines
9.1 KiB
C
380 lines
9.1 KiB
C
/* $NetBSD: ite_hy.c,v 1.3 1996/03/03 04:23:37 thorpej Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department and Mark Davies of the Department of Computer
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* Science, Victoria University of Wellington, New Zealand.
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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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* from: Utah $Hdr: ite_hy.c 1.1 92/01/22$
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*
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* @(#)ite_hy.c 8.1 (Berkeley) 6/10/93
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*/
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#include <hp300/stand/samachdep.h>
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#ifdef ITECONSOLE
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#include <sys/param.h>
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#include <hp300/stand/itevar.h>
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#include <hp300/dev/itereg.h>
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#include <hp300/dev/grf_hyreg.h>
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#define REGBASE ((struct hyboxfb *)(ip->regbase))
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#define WINDOWMOVER hyper_windowmove
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#undef charX
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#define charX(ip,c) \
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(((c) % (ip)->cpl) * ((((ip)->ftwidth + 7) / 8) * 8) + (ip)->fontx)
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void hyper_ite_fontinit __P((struct ite_data *));
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void hyper_windowmove __P((struct ite_data *, int, int, int, int,
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int, int, int));
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void
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hyper_init(ip)
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register struct ite_data *ip;
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{
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int width;
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ite_fontinfo(ip);
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width = ((ip->ftwidth + 7) / 8) * 8;
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ip->cpl = (ip->fbwidth - ip->dwidth) / width;
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ip->cblanky = ip->fonty + ((128 / ip->cpl) +1) * ip->ftheight;
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REGBASE->nblank = 0x05;
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/*
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* Clear the framebuffer on all planes.
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*/
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hyper_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
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hyper_ite_fontinit(ip);
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/*
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* Stash the inverted cursor.
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*/
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hyper_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
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ip->cblanky, ip->cblankx, ip->ftheight,
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ip->ftwidth, RR_COPYINVERTED);
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}
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void
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hyper_ite_fontinit(ip)
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register struct ite_data *ip;
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{
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register u_char *fbmem, *dp;
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int c, l, b;
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int stride, width;
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dp = (u_char *)(getword(ip, getword(ip, FONTROM) + FONTADDR) +
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ip->regbase) + FONTDATA;
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stride = ip->fbwidth >> 3;
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width = (ip->ftwidth + 7) / 8;
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for (c = 0; c < 128; c++) {
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fbmem = (u_char *) FBBASE +
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(ip->fonty + (c / ip->cpl) * ip->ftheight) *
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stride;
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fbmem += (ip->fontx >> 3) + (c % ip->cpl) * width;
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for (l = 0; l < ip->ftheight; l++) {
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for (b = 0; b < width; b++) {
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*fbmem++ = *dp;
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dp += 2;
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}
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fbmem -= width;
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fbmem += stride;
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}
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}
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}
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void
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hyper_putc(ip, c, dy, dx, mode)
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register struct ite_data *ip;
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register int dy, dx;
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int c, mode;
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{
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hyper_windowmove(ip, charY(ip, c), charX(ip, c),
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dy * ip->ftheight, dx * ip->ftwidth,
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ip->ftheight, ip->ftwidth, RR_COPY);
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}
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void
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hyper_cursor(ip, flag)
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register struct ite_data *ip;
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int flag;
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{
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switch (flag) {
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case MOVE_CURSOR:
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erase_cursor(ip);
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/* fall through ... */
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case DRAW_CURSOR:
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draw_cursor(ip);
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break;
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default:
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erase_cursor(ip);
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break;
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}
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}
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void
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hyper_clear(ip, sy, sx, h, w)
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struct ite_data *ip;
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register int sy, sx, h, w;
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{
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hyper_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
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sy * ip->ftheight, sx * ip->ftwidth,
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h * ip->ftheight, w * ip->ftwidth,
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RR_CLEAR);
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}
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void
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hyper_scroll(ip, sy, sx, count, dir)
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register struct ite_data *ip;
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register int sy, count;
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int dir, sx;
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{
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register int dy = sy - count;
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register int height = ip->rows - sy;
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hyper_cursor(ip, ERASE_CURSOR);
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hyper_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
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dy * ip->ftheight, sx * ip->ftwidth,
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height * ip->ftheight,
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ip->cols * ip->ftwidth, RR_COPY);
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}
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#include <hp300/dev/maskbits.h>
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/* NOTE:
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* the first element in starttab could be 0xffffffff. making it 0
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* lets us deal with a full first word in the middle loop, rather
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* than having to do the multiple reads and masks that we'd
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* have to do if we thought it was partial.
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*/
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int starttab[32] =
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{
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0x00000000,
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0x7FFFFFFF,
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0x3FFFFFFF,
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0x1FFFFFFF,
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0x0FFFFFFF,
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0x07FFFFFF,
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0x03FFFFFF,
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0x01FFFFFF,
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0x00FFFFFF,
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0x007FFFFF,
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0x003FFFFF,
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0x001FFFFF,
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0x000FFFFF,
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0x0007FFFF,
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0x0003FFFF,
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0x0001FFFF,
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0x0000FFFF,
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0x00007FFF,
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0x00003FFF,
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0x00001FFF,
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0x00000FFF,
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0x000007FF,
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0x000003FF,
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0x000001FF,
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0x000000FF,
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0x0000007F,
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0x0000003F,
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0x0000001F,
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0x0000000F,
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0x00000007,
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0x00000003,
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0x00000001
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};
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int endtab[32] =
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{
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0x00000000,
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0x80000000,
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0xC0000000,
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0xE0000000,
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0xF0000000,
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0xF8000000,
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0xFC000000,
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0xFE000000,
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0xFF000000,
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0xFF800000,
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0xFFC00000,
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0xFFE00000,
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0xFFF00000,
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0xFFF80000,
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0xFFFC0000,
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0xFFFE0000,
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0xFFFF0000,
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0xFFFF8000,
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0xFFFFC000,
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0xFFFFE000,
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0xFFFFF000,
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0xFFFFF800,
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0xFFFFFC00,
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0xFFFFFE00,
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0xFFFFFF00,
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0xFFFFFF80,
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0xFFFFFFC0,
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0xFFFFFFE0,
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0xFFFFFFF0,
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0xFFFFFFF8,
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0xFFFFFFFC,
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0xFFFFFFFE
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};
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void
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hyper_windowmove(ip, sy, sx, dy, dx, h, w, func)
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struct ite_data *ip;
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int sy, sx, dy, dx, h, w, func;
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{
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unsigned int *psrcBase, *pdstBase;
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/* start of src and dst bitmaps */
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int width; /* add to get to same position in next line */
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unsigned int *psrcLine, *pdstLine;
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/* pointers to line with current src and dst */
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register unsigned int *psrc; /* pointer to current src longword */
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register unsigned int *pdst; /* pointer to current dst longword */
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/* following used for looping through a line */
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unsigned int startmask, endmask; /* masks for writing ends of dst */
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int nlMiddle; /* whole longwords in dst */
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register int nl; /* temp copy of nlMiddle */
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register unsigned int tmpSrc;
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/* place to store full source word */
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register int xoffSrc; /* offset (>= 0, < 32) from which to
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fetch whole longwords fetched
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in src */
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int nstart; /* number of ragged bits at start of dst */
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int nend; /* number of ragged bits at end of dst */
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int srcStartOver; /* pulling nstart bits from src
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overflows into the next word? */
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if (h == 0 || w == 0)
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return;
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width = ip->fbwidth >> 5;
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psrcLine = ((unsigned int *) ip->fbbase) + (sy * width);
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pdstLine = ((unsigned int *) ip->fbbase) + (dy * width);
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/* x direction doesn't matter for < 1 longword */
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if (w <= 32)
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{
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int srcBit, dstBit; /* bit offset of src and dst */
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pdstLine += (dx >> 5);
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psrcLine += (sx >> 5);
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psrc = psrcLine;
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pdst = pdstLine;
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srcBit = sx & 0x1f;
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dstBit = dx & 0x1f;
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while(h--)
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{
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getandputrop(psrc, srcBit, dstBit, w, pdst, func)
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pdst += width;
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psrc += width;
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}
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}
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else
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{
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maskbits(dx, w, startmask, endmask, nlMiddle)
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if (startmask)
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nstart = 32 - (dx & 0x1f);
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else
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nstart = 0;
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if (endmask)
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nend = (dx + w) & 0x1f;
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else
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nend = 0;
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xoffSrc = ((sx & 0x1f) + nstart) & 0x1f;
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srcStartOver = ((sx & 0x1f) + nstart) > 31;
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pdstLine += (dx >> 5);
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psrcLine += (sx >> 5);
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while (h--)
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{
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psrc = psrcLine;
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pdst = pdstLine;
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if (startmask)
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{
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getandputrop(psrc, (sx & 0x1f),
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(dx & 0x1f), nstart, pdst, func)
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pdst++;
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if (srcStartOver)
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psrc++;
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}
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/* special case for aligned operations */
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if (xoffSrc == 0)
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{
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nl = nlMiddle;
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while (nl--)
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{
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DoRop (*pdst, func, *psrc++, *pdst);
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pdst++;
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}
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}
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else
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{
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nl = nlMiddle + 1;
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while (--nl)
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{
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getunalignedword (psrc, xoffSrc, tmpSrc)
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DoRop (*pdst, func, tmpSrc, *pdst);
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pdst++;
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psrc++;
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}
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}
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if (endmask)
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{
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getandputrop0(psrc, xoffSrc, nend, pdst, func);
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}
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pdstLine += width;
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psrcLine += width;
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}
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}
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}
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#endif
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