1 /* $NetBSD: ite_subr.c,v 1.5 2005/12/11 12:17:19 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. 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 $Hdr: ite_subr.c 1.2 92/01/20$ 36 * 37 * @(#)ite_subr.c 8.1 (Berkeley) 6/10/93 38 */ 39 /* 40 * Copyright (c) 1988 University of Utah. 41 * 42 * This code is derived from software contributed to Berkeley by 43 * the Systems Programming Group of the University of Utah Computer 44 * Science Department. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * from: Utah $Hdr: ite_subr.c 1.2 92/01/20$ 75 * 76 * @(#)ite_subr.c 8.1 (Berkeley) 6/10/93 77 */ 78 79 #ifdef ITECONSOLE 80 81 #include <sys/param.h> 82 83 #include <hp300/dev/itereg.h> 84 85 #include <hp300/stand/common/samachdep.h> 86 #include <hp300/stand/common/itevar.h> 87 88 void 89 ite_fontinfo(struct ite_data *ip) 90 { 91 u_long fontaddr = getword(ip, getword(ip, FONTROM) + FONTADDR); 92 93 ip->ftheight = getbyte(ip, fontaddr + FONTHEIGHT); 94 ip->ftwidth = getbyte(ip, fontaddr + FONTWIDTH); 95 ip->rows = ip->dheight / ip->ftheight; 96 ip->cols = ip->dwidth / ip->ftwidth; 97 98 if (ip->fbwidth > ip->dwidth) { 99 /* 100 * Stuff goes to right of display. 101 */ 102 ip->fontx = ip->dwidth; 103 ip->fonty = 0; 104 ip->cpl = (ip->fbwidth - ip->dwidth) / ip->ftwidth; 105 ip->cblankx = ip->dwidth; 106 ip->cblanky = ip->fonty + ((128 / ip->cpl) +1) * ip->ftheight; 107 } 108 else { 109 /* 110 * Stuff goes below the display. 111 */ 112 ip->fontx = 0; 113 ip->fonty = ip->dheight; 114 ip->cpl = ip->fbwidth / ip->ftwidth; 115 ip->cblankx = 0; 116 ip->cblanky = ip->fonty + ((128 / ip->cpl) + 1) * ip->ftheight; 117 } 118 } 119 120 void 121 ite_fontinit(struct ite_data *ip) 122 { 123 int bytewidth = (((ip->ftwidth - 1) / 8) + 1); 124 int glyphsize = bytewidth * ip->ftheight; 125 u_char fontbuf[500]; 126 u_char *dp, *fbmem; 127 int c, i, romp; 128 129 romp = getword(ip, getword(ip, FONTROM) + FONTADDR) + FONTDATA; 130 for (c = 0; c < 128; c++) { 131 fbmem = (u_char *) 132 (FBBASE + 133 (ip->fonty + (c / ip->cpl) * ip->ftheight) * ip->fbwidth + 134 (ip->fontx + (c % ip->cpl) * ip->ftwidth)); 135 dp = fontbuf; 136 for (i = 0; i < glyphsize; i++) { 137 *dp++ = getbyte(ip, romp); 138 romp += 2; 139 } 140 writeglyph(ip, fbmem, fontbuf); 141 } 142 } 143 144 /* 145 * Display independent versions of the readbyte and writeglyph routines. 146 */ 147 u_char 148 ite_readbyte(struct ite_data *ip, int disp) 149 { 150 151 return (u_char)*(((u_char *)ip->regbase) + disp); 152 } 153 154 void 155 ite_writeglyph(struct ite_data *ip, u_char *fbmem, u_char *glyphp) 156 { 157 int bn; 158 int l, b; 159 160 for (l = 0; l < ip->ftheight; l++) { 161 bn = 7; 162 for (b = 0; b < ip->ftwidth; b++) { 163 if ((1 << bn) & *glyphp) 164 *fbmem++ = 1; 165 else 166 *fbmem++ = 0; 167 if (--bn < 0) { 168 bn = 7; 169 glyphp++; 170 } 171 } 172 if (bn < 7) 173 glyphp++; 174 fbmem -= ip->ftwidth; 175 fbmem += ip->fbwidth; 176 } 177 } 178 #endif 179