ite_gb.c revision 1.2
1 /* $NetBSD: ite_gb.c,v 1.2 2003/08/07 16:27:41 agc 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 $Hdr: ite_gb.c 1.9 92/01/20$ 36 * 37 * @(#)ite_gb.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 $Hdr: ite_gb.c 1.9 92/01/20$ 75 * 76 * @(#)ite_gb.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 #include <hp300/dev/grf_gbreg.h> 85 86 #include <hp300/stand/common/samachdep.h> 87 #include <hp300/stand/common/itevar.h> 88 89 #define REGBASE ((struct gboxfb *)(ip->regbase)) 90 #define WINDOWMOVER gbox_windowmove 91 92 void gbox_windowmove __P((struct ite_data *, int, int, int, int, 93 int, int, int)); 94 95 void 96 gbox_init(ip) 97 register struct ite_data *ip; 98 { 99 REGBASE->write_protect = 0x0; 100 REGBASE->interrupt = 0x4; 101 REGBASE->rep_rule = RR_COPY; 102 REGBASE->blink1 = 0xff; 103 REGBASE->blink2 = 0xff; 104 REGBASE->sec_interrupt = 0x01; 105 106 /* 107 * Set up the color map entries. We use three entries in the 108 * color map. The first, is for black, the second is for 109 * white, and the very last entry is for the inverted cursor. 110 */ 111 REGBASE->creg_select = 0x00; 112 REGBASE->cmap_red = 0x00; 113 REGBASE->cmap_grn = 0x00; 114 REGBASE->cmap_blu = 0x00; 115 REGBASE->cmap_write = 0x00; 116 gbcm_waitbusy(ip->regbase); 117 118 REGBASE->creg_select = 0x01; 119 REGBASE->cmap_red = 0xFF; 120 REGBASE->cmap_grn = 0xFF; 121 REGBASE->cmap_blu = 0xFF; 122 REGBASE->cmap_write = 0x01; 123 gbcm_waitbusy(ip->regbase); 124 125 REGBASE->creg_select = 0xFF; 126 REGBASE->cmap_red = 0xFF; 127 REGBASE->cmap_grn = 0xFF; 128 REGBASE->cmap_blu = 0xFF; 129 REGBASE->cmap_write = 0x01; 130 gbcm_waitbusy(ip->regbase); 131 132 ite_fontinfo(ip); 133 ite_fontinit(ip); 134 135 /* 136 * Clear the display. This used to be before the font unpacking 137 * but it crashes. Figure it out later. 138 */ 139 gbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR); 140 tile_mover_waitbusy(ip->regbase); 141 142 /* 143 * Stash the inverted cursor. 144 */ 145 gbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '), 146 ip->cblanky, ip->cblankx, ip->ftheight, 147 ip->ftwidth, RR_COPYINVERTED); 148 } 149 150 void 151 gbox_putc(ip, c, dy, dx, mode) 152 register struct ite_data *ip; 153 register int dy, dx; 154 int c, mode; 155 { 156 gbox_windowmove(ip, charY(ip, c), charX(ip, c), 157 dy * ip->ftheight, dx * ip->ftwidth, 158 ip->ftheight, ip->ftwidth, RR_COPY); 159 } 160 161 void 162 gbox_cursor(ip, flag) 163 register struct ite_data *ip; 164 register int flag; 165 { 166 if (flag == DRAW_CURSOR) 167 draw_cursor(ip) 168 else if (flag == MOVE_CURSOR) { 169 erase_cursor(ip) 170 draw_cursor(ip) 171 } 172 else 173 erase_cursor(ip) 174 } 175 176 void 177 gbox_clear(ip, sy, sx, h, w) 178 struct ite_data *ip; 179 register int sy, sx, h, w; 180 { 181 gbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, 182 sy * ip->ftheight, sx * ip->ftwidth, 183 h * ip->ftheight, w * ip->ftwidth, 184 RR_CLEAR); 185 } 186 187 #define gbox_blockmove(ip, sy, sx, dy, dx, h, w) \ 188 gbox_windowmove((ip), \ 189 (sy) * ip->ftheight, \ 190 (sx) * ip->ftwidth, \ 191 (dy) * ip->ftheight, \ 192 (dx) * ip->ftwidth, \ 193 (h) * ip->ftheight, \ 194 (w) * ip->ftwidth, \ 195 RR_COPY) 196 197 void 198 gbox_scroll(ip, sy, sx, count, dir) 199 register struct ite_data *ip; 200 register int sy; 201 int dir, sx, count; 202 { 203 register int height, dy, i; 204 205 tile_mover_waitbusy(ip->regbase); 206 REGBASE->write_protect = 0x0; 207 208 gbox_cursor(ip, ERASE_CURSOR); 209 210 dy = sy - count; 211 height = ip->rows - sy; 212 for (i = 0; i < height; i++) 213 gbox_blockmove(ip, sy + i, sx, dy + i, 0, 1, ip->cols); 214 } 215 216 void 217 gbox_windowmove(ip, sy, sx, dy, dx, h, w, mask) 218 register struct ite_data *ip; 219 int sy, sx, dy, dx, mask; 220 register int h, w; 221 { 222 register int src, dest; 223 224 src = (sy * 1024) + sx; /* upper left corner in pixels */ 225 dest = (dy * 1024) + dx; 226 227 tile_mover_waitbusy(ip->regbase); 228 REGBASE->width = -(w / 4); 229 REGBASE->height = -(h / 4); 230 if (src < dest) 231 REGBASE->rep_rule = MOVE_DOWN_RIGHT|mask; 232 else { 233 REGBASE->rep_rule = MOVE_UP_LEFT|mask; 234 /* 235 * Adjust to top of lower right tile of the block. 236 */ 237 src = src + ((h - 4) * 1024) + (w - 4); 238 dest= dest + ((h - 4) * 1024) + (w - 4); 239 } 240 FBBASE[dest] = FBBASE[src]; 241 } 242 #endif 243
Indexes created Mon Sep 29 21:09:56 GMT 2025