Annotation of OpenXM_contrib/gnuplot/term/emxvga.trm, Revision 1.1
1.1 ! maekawa 1: /*
! 2: * $Id: emxvga.trm,v 1.16 1998/04/14 00:17:40 drd Exp $
! 3: */
! 4:
! 5: /* GNUPLOT - emxvga.trm */
! 6:
! 7: /*[
! 8: * Copyright 1994, 1998
! 9: *
! 10: * Permission to use, copy, and distribute this software and its
! 11: * documentation for any purpose with or without fee is hereby granted,
! 12: * provided that the above copyright notice appear in all copies and
! 13: * that both that copyright notice and this permission notice appear
! 14: * in supporting documentation.
! 15: *
! 16: * Permission to modify the software is granted, but not the right to
! 17: * distribute the complete modified source code. Modifications are to
! 18: * be distributed as patches to the released version. Permission to
! 19: * distribute binaries produced by compiling modified sources is granted,
! 20: * provided you
! 21: * 1. distribute the corresponding source modifications from the
! 22: * released version in the form of a patch file along with the binaries,
! 23: * 2. add special version identification to distinguish your version
! 24: * in addition to the base release version number,
! 25: * 3. provide your name and address as the primary contact for the
! 26: * support of your modified version, and
! 27: * 4. retain our contact information in regard to use of the base
! 28: * software.
! 29: * Permission to distribute the released version of the source code along
! 30: * with corresponding source modifications in the form of a patch file is
! 31: * granted with same provisions 2 through 4 for binary distributions.
! 32: *
! 33: * This software is provided "as is" without express or implied warranty
! 34: * to the extent permitted by applicable law.
! 35: ]*/
! 36:
! 37: /*
! 38: * This file is included by ../term.c.
! 39: *
! 40: * This terminal driver supports:
! 41: * SVGA 1024x768x256 for PC's running DOS or OS/2
! 42: *
! 43: * AUTHOR
! 44: * David J. Liu (liudj0@minerva.cis.yale.edu)
! 45: */
! 46: /*
! 47: * Compile with GCC (emx) with VESA and SVGAKIT maintained by
! 48: * Johannes Martin (JMARTIN@GOOFY.ZDV.UNI-MAINZ.DE)
! 49: * with additions by David J. Liu (liudj0@minerva.cis.yale.edu)
! 50: * supports VESA, Trident, Cirrus, ET4000, WD and S3.
! 51: */
! 52: /*
! 53: * adapted to the new terminal layout by Stefan Bodewig (Dec. 1995)
! 54: */
! 55:
! 56: #include "driver.h"
! 57:
! 58: #ifdef TERM_REGISTER
! 59: #ifdef EMXVESA
! 60: register_term(vesa)
! 61: #endif /* EMXVESA */
! 62: register_term(emxvga)
! 63: #endif
! 64:
! 65: #ifdef TERM_PROTO
! 66: TERM_PUBLIC void EMXVGA_init __PROTO((void));
! 67: TERM_PUBLIC void EMXVGA_reset __PROTO((void));
! 68: TERM_PUBLIC void EMXVGA_text __PROTO((void));
! 69: TERM_PUBLIC void EMXVGA_graphics __PROTO((void));
! 70: TERM_PUBLIC void EMXVGA_linetype __PROTO((int));
! 71: TERM_PUBLIC void EMXVGA_move __PROTO((unsigned int, unsigned int));
! 72: TERM_PUBLIC void EMXVGA_vector __PROTO((unsigned int, unsigned int));
! 73: TERM_PUBLIC int EMXVGA_text_angle __PROTO((int));
! 74: TERM_PUBLIC void EMXVGA_put_text __PROTO((unsigned int, unsigned int, char *));
! 75: #define EMXVGA_VCHAR 8
! 76: #define EMXVGA_HCHAR 8
! 77: #define EMXVGA_VTIC 4
! 78: #define EMXVGA_HTIC 4
! 79: #define EMXVGA_XMAX 0 /* These two entries are just place holders. */
! 80: #define EMXVGA_YMAX 0 /* The actual values will be filled in init. */
! 81: #ifdef EMXVESA
! 82: TERM_PUBLIC void EMXVESA_options __PROTO((void));
! 83: TERM_PUBLIC void EMXVESA_init __PROTO((void));
! 84: TERM_PUBLIC void EMXVESA_graphics __PROTO((void));
! 85: TERM_PUBLIC void EMXVESA_text __PROTO((void));
! 86: TERM_PUBLIC void EMXVESA_reset __PROTO((void));
! 87: #endif
! 88: #endif /* TERM_PROTO */
! 89: #ifndef TERM_PROTO_ONLY
! 90: #ifdef TERM_BODY
! 91: /* avoid name clash with graph.h - lets hope that no following
! 92: * driver needs these symbols !
! 93: */
! 94: #ifdef RIGHT
! 95: #undef RIGHT
! 96: #endif
! 97: #ifdef DOWN
! 98: #undef DOWN
! 99: #endif
! 100: #include <vesa.h>
! 101: #include <jmgraph.h>
! 102: #include <conio.h> /* for getch() -SB */
! 103: #include <stdlib.h>
! 104: #include <dos.h>
! 105: /*
! 106: * Some versions of graph.h (e.g. jmgraph.h) define RIGHT to be 0
! 107: * colliding with enum JUSTIFY. We don't need this define anyway,
! 108: * just undef it. -SB
! 109: */
! 110: #ifdef RIGHT
! 111: #undef RIGHT
! 112: #endif
! 113: #ifdef DOWN
! 114: #undef DOWN
! 115: #endif
! 116: static int EMXVGA_vmode = G640x480x256; /* default mode */
! 117: static int vgacolor[] ={ 7, 8, 2, 3, 4, 5, 9, 14, 12, 15, 13, 10, 11, 1, 6 };
! 118: static int graphics_on = FALSE;
! 119: int startx, starty, lasty;
! 120: int EMXVGA_angle, EMXVGA_color;
! 121: char *EMXVGA_buf;
! 122: void emx_getch()
! 123: {
! 124: union REGS reg;
! 125: char c;
! 126: if (_osmode == OS2_MODE)
! 127: VesaGetCharacter(&c);
! 128: else {
! 129: reg.x.ax = 0x0000;
! 130: _int86(0x16, ®, ®);
! 131: if (reg.h.al == 0) {
! 132: reg.x.ax = 0x0000;
! 133: _int86(0x16, ®, ®);
! 134: }
! 135: }
! 136: }
! 137:
! 138: /* gstring.c (emx+gcc) -- Copyright (c) 1994 by David J. Liu */
! 139: unsigned char font[128][8] =
! 140: { /* 8x8 font */
! 141: {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
! 142: {0x7E, 0x81, 0xA5, 0x81, 0xBD, 0x99, 0x81, 0x7E},
! 143: {0x7E, 0xFF, 0xDB, 0xFF, 0xC3, 0xE7, 0xFF, 0x7E},
! 144: {0x6C, 0xFE, 0xFE, 0xFE, 0x7C, 0x38, 0x10, 0x00},
! 145: {0x10, 0x38, 0x7C, 0xFE, 0x7C, 0x38, 0x10, 0x00},
! 146: {0x38, 0x7C, 0x38, 0xFE, 0xFE, 0x92, 0x10, 0x7C},
! 147: {0x00, 0x10, 0x38, 0x7C, 0xFE, 0x7C, 0x38, 0x7C},
! 148: {0x00, 0x00, 0x18, 0x3C, 0x3C, 0x18, 0x00, 0x00},
! 149: {0xFF, 0xFF, 0xE7, 0xC3, 0xC3, 0xE7, 0xFF, 0xFF},
! 150: {0x00, 0x3C, 0x66, 0x42, 0x42, 0x66, 0x3C, 0x00},
! 151: {0xFF, 0xC3, 0x99, 0xBD, 0xBD, 0x99, 0xC3, 0xFF},
! 152: {0x0F, 0x07, 0x0F, 0x7D, 0xCC, 0xCC, 0xCC, 0x78},
! 153: {0x3C, 0x66, 0x66, 0x66, 0x3C, 0x18, 0x7E, 0x18},
! 154: {0x3F, 0x33, 0x3F, 0x30, 0x30, 0x70, 0xF0, 0xE0},
! 155: {0x7F, 0x63, 0x7F, 0x63, 0x63, 0x67, 0xE6, 0xC0},
! 156: {0x99, 0x5A, 0x3C, 0xE7, 0xE7, 0x3C, 0x5A, 0x99},
! 157: {0x80, 0xE0, 0xF8, 0xFE, 0xF8, 0xE0, 0x80, 0x00},
! 158: {0x02, 0x0E, 0x3E, 0xFE, 0x3E, 0x0E, 0x02, 0x00},
! 159: {0x18, 0x3C, 0x7E, 0x18, 0x18, 0x7E, 0x3C, 0x18},
! 160: {0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x66, 0x00},
! 161: {0x7F, 0xDB, 0xDB, 0x7B, 0x1B, 0x1B, 0x1B, 0x00},
! 162: {0x3E, 0x63, 0x38, 0x6C, 0x6C, 0x38, 0x86, 0xFC},
! 163: {0x00, 0x00, 0x00, 0x00, 0x7E, 0x7E, 0x7E, 0x00},
! 164: {0x18, 0x3C, 0x7E, 0x18, 0x7E, 0x3C, 0x18, 0xFF},
! 165: {0x18, 0x3C, 0x7E, 0x18, 0x18, 0x18, 0x18, 0x00},
! 166: {0x18, 0x18, 0x18, 0x18, 0x7E, 0x3C, 0x18, 0x00},
! 167: {0x00, 0x18, 0x0C, 0xFE, 0x0C, 0x18, 0x00, 0x00},
! 168: {0x00, 0x30, 0x60, 0xFE, 0x60, 0x30, 0x00, 0x00},
! 169: {0x00, 0x00, 0xC0, 0xC0, 0xC0, 0xFE, 0x00, 0x00},
! 170: {0x00, 0x24, 0x66, 0xFF, 0x66, 0x24, 0x00, 0x00},
! 171: {0x00, 0x18, 0x3C, 0x7E, 0xFF, 0xFF, 0x00, 0x00},
! 172: {0x00, 0xFF, 0xFF, 0x7E, 0x3C, 0x18, 0x00, 0x00},
! 173: {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
! 174: {0x18, 0x3C, 0x3C, 0x18, 0x18, 0x00, 0x18, 0x00},
! 175: {0x6C, 0x6C, 0x6C, 0x00, 0x00, 0x00, 0x00, 0x00},
! 176: {0x6C, 0x6C, 0xFE, 0x6C, 0xFE, 0x6C, 0x6C, 0x00},
! 177: {0x18, 0x7E, 0xC0, 0x7C, 0x06, 0xFC, 0x18, 0x00},
! 178: {0x00, 0xC6, 0xCC, 0x18, 0x30, 0x66, 0xC6, 0x00},
! 179: {0x38, 0x6C, 0x38, 0x76, 0xDC, 0xCC, 0x76, 0x00},
! 180: {0x30, 0x30, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00},
! 181: {0x18, 0x30, 0x60, 0x60, 0x60, 0x30, 0x18, 0x00},
! 182: {0x60, 0x30, 0x18, 0x18, 0x18, 0x30, 0x60, 0x00},
! 183: {0x00, 0x66, 0x3C, 0xFF, 0x3C, 0x66, 0x00, 0x00},
! 184: {0x00, 0x18, 0x18, 0x7E, 0x18, 0x18, 0x00, 0x00},
! 185: {0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x30},
! 186: {0x00, 0x00, 0x00, 0x7E, 0x00, 0x00, 0x00, 0x00},
! 187: {0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00},
! 188: {0x06, 0x0C, 0x18, 0x30, 0x60, 0xC0, 0x80, 0x00},
! 189: {0x7C, 0xCE, 0xDE, 0xF6, 0xE6, 0xC6, 0x7C, 0x00},
! 190: {0x30, 0x70, 0x30, 0x30, 0x30, 0x30, 0xFC, 0x00},
! 191: {0x78, 0xCC, 0x0C, 0x38, 0x60, 0xCC, 0xFC, 0x00},
! 192: {0x78, 0xCC, 0x0C, 0x38, 0x0C, 0xCC, 0x78, 0x00},
! 193: {0x1C, 0x3C, 0x6C, 0xCC, 0xFE, 0x0C, 0x1E, 0x00},
! 194: {0xFC, 0xC0, 0xF8, 0x0C, 0x0C, 0xCC, 0x78, 0x00},
! 195: {0x38, 0x60, 0xC0, 0xF8, 0xCC, 0xCC, 0x78, 0x00},
! 196: {0xFC, 0xCC, 0x0C, 0x18, 0x30, 0x30, 0x30, 0x00},
! 197: {0x78, 0xCC, 0xCC, 0x78, 0xCC, 0xCC, 0x78, 0x00},
! 198: {0x78, 0xCC, 0xCC, 0x7C, 0x0C, 0x18, 0x70, 0x00},
! 199: {0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x00},
! 200: {0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x30},
! 201: {0x18, 0x30, 0x60, 0xC0, 0x60, 0x30, 0x18, 0x00},
! 202: {0x00, 0x00, 0x7E, 0x00, 0x7E, 0x00, 0x00, 0x00},
! 203: {0x60, 0x30, 0x18, 0x0C, 0x18, 0x30, 0x60, 0x00},
! 204: {0x3C, 0x66, 0x0C, 0x18, 0x18, 0x00, 0x18, 0x00},
! 205: {0x7C, 0xC6, 0xDE, 0xDE, 0xDC, 0xC0, 0x7C, 0x00},
! 206: {0x30, 0x78, 0xCC, 0xCC, 0xFC, 0xCC, 0xCC, 0x00},
! 207: {0xFC, 0x66, 0x66, 0x7C, 0x66, 0x66, 0xFC, 0x00},
! 208: {0x3C, 0x66, 0xC0, 0xC0, 0xC0, 0x66, 0x3C, 0x00},
! 209: {0xF8, 0x6C, 0x66, 0x66, 0x66, 0x6C, 0xF8, 0x00},
! 210: {0xFE, 0x62, 0x68, 0x78, 0x68, 0x62, 0xFE, 0x00},
! 211: {0xFE, 0x62, 0x68, 0x78, 0x68, 0x60, 0xF0, 0x00},
! 212: {0x3C, 0x66, 0xC0, 0xC0, 0xCE, 0x66, 0x3A, 0x00},
! 213: {0xCC, 0xCC, 0xCC, 0xFC, 0xCC, 0xCC, 0xCC, 0x00},
! 214: {0x78, 0x30, 0x30, 0x30, 0x30, 0x30, 0x78, 0x00},
! 215: {0x1E, 0x0C, 0x0C, 0x0C, 0xCC, 0xCC, 0x78, 0x00},
! 216: {0xE6, 0x66, 0x6C, 0x78, 0x6C, 0x66, 0xE6, 0x00},
! 217: {0xF0, 0x60, 0x60, 0x60, 0x62, 0x66, 0xFE, 0x00},
! 218: {0xC6, 0xEE, 0xFE, 0xFE, 0xD6, 0xC6, 0xC6, 0x00},
! 219: {0xC6, 0xE6, 0xF6, 0xDE, 0xCE, 0xC6, 0xC6, 0x00},
! 220: {0x38, 0x6C, 0xC6, 0xC6, 0xC6, 0x6C, 0x38, 0x00},
! 221: {0xFC, 0x66, 0x66, 0x7C, 0x60, 0x60, 0xF0, 0x00},
! 222: {0x7C, 0xC6, 0xC6, 0xC6, 0xD6, 0x7C, 0x0E, 0x00},
! 223: {0xFC, 0x66, 0x66, 0x7C, 0x6C, 0x66, 0xE6, 0x00},
! 224: {0x7C, 0xC6, 0xE0, 0x78, 0x0E, 0xC6, 0x7C, 0x00},
! 225: {0xFC, 0xB4, 0x30, 0x30, 0x30, 0x30, 0x78, 0x00},
! 226: {0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xFC, 0x00},
! 227: {0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0x78, 0x30, 0x00},
! 228: {0xC6, 0xC6, 0xC6, 0xC6, 0xD6, 0xFE, 0x6C, 0x00},
! 229: {0xC6, 0xC6, 0x6C, 0x38, 0x6C, 0xC6, 0xC6, 0x00},
! 230: {0xCC, 0xCC, 0xCC, 0x78, 0x30, 0x30, 0x78, 0x00},
! 231: {0xFE, 0xC6, 0x8C, 0x18, 0x32, 0x66, 0xFE, 0x00},
! 232: {0x78, 0x60, 0x60, 0x60, 0x60, 0x60, 0x78, 0x00},
! 233: {0xC0, 0x60, 0x30, 0x18, 0x0C, 0x06, 0x02, 0x00},
! 234: {0x78, 0x18, 0x18, 0x18, 0x18, 0x18, 0x78, 0x00},
! 235: {0x10, 0x38, 0x6C, 0xC6, 0x00, 0x00, 0x00, 0x00},
! 236: {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF},
! 237: {0x30, 0x30, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00},
! 238: {0x00, 0x00, 0x78, 0x0C, 0x7C, 0xCC, 0x76, 0x00},
! 239: {0xE0, 0x60, 0x60, 0x7C, 0x66, 0x66, 0xDC, 0x00},
! 240: {0x00, 0x00, 0x78, 0xCC, 0xC0, 0xCC, 0x78, 0x00},
! 241: {0x1C, 0x0C, 0x0C, 0x7C, 0xCC, 0xCC, 0x76, 0x00},
! 242: {0x00, 0x00, 0x78, 0xCC, 0xFC, 0xC0, 0x78, 0x00},
! 243: {0x38, 0x6C, 0x64, 0xF0, 0x60, 0x60, 0xF0, 0x00},
! 244: {0x00, 0x00, 0x76, 0xCC, 0xCC, 0x7C, 0x0C, 0xF8},
! 245: {0xE0, 0x60, 0x6C, 0x76, 0x66, 0x66, 0xE6, 0x00},
! 246: {0x30, 0x00, 0x70, 0x30, 0x30, 0x30, 0x78, 0x00},
! 247: {0x0C, 0x00, 0x1C, 0x0C, 0x0C, 0xCC, 0xCC, 0x78},
! 248: {0xE0, 0x60, 0x66, 0x6C, 0x78, 0x6C, 0xE6, 0x00},
! 249: {0x70, 0x30, 0x30, 0x30, 0x30, 0x30, 0x78, 0x00},
! 250: {0x00, 0x00, 0xCC, 0xFE, 0xFE, 0xD6, 0xD6, 0x00},
! 251: {0x00, 0x00, 0xB8, 0xCC, 0xCC, 0xCC, 0xCC, 0x00},
! 252: {0x00, 0x00, 0x78, 0xCC, 0xCC, 0xCC, 0x78, 0x00},
! 253: {0x00, 0x00, 0xDC, 0x66, 0x66, 0x7C, 0x60, 0xF0},
! 254: {0x00, 0x00, 0x76, 0xCC, 0xCC, 0x7C, 0x0C, 0x1E},
! 255: {0x00, 0x00, 0xDC, 0x76, 0x62, 0x60, 0xF0, 0x00},
! 256: {0x00, 0x00, 0x7C, 0xC0, 0x70, 0x1C, 0xF8, 0x00},
! 257: {0x10, 0x30, 0xFC, 0x30, 0x30, 0x34, 0x18, 0x00},
! 258: {0x00, 0x00, 0xCC, 0xCC, 0xCC, 0xCC, 0x76, 0x00},
! 259: {0x00, 0x00, 0xCC, 0xCC, 0xCC, 0x78, 0x30, 0x00},
! 260: {0x00, 0x00, 0xC6, 0xC6, 0xD6, 0xFE, 0x6C, 0x00},
! 261: {0x00, 0x00, 0xC6, 0x6C, 0x38, 0x6C, 0xC6, 0x00},
! 262: {0x00, 0x00, 0xCC, 0xCC, 0xCC, 0x7C, 0x0C, 0xF8},
! 263: {0x00, 0x00, 0xFC, 0x98, 0x30, 0x64, 0xFC, 0x00},
! 264: {0x1C, 0x30, 0x30, 0xE0, 0x30, 0x30, 0x1C, 0x00},
! 265: {0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00},
! 266: {0xE0, 0x30, 0x30, 0x1C, 0x30, 0x30, 0xE0, 0x00},
! 267: {0x76, 0xDC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
! 268: {0x00, 0x10, 0x38, 0x6C, 0xC6, 0xC6, 0xFE, 0x00}
! 269: };
! 270:
! 271: void g_set(int x, int y, int color); /* part of SVGA */
! 272:
! 273: void g_string(x0, y0, color, angle, s)
! 274: /* upper left corner of text, color and angle */
! 275: int x0, y0, color, angle;
! 276: char *s;
! 277: {
! 278: int i, j, k;
! 279: float sa, ca, x, y;
! 280: k = 0;
! 281: x = 0.5 + x0;
! 282: y = 0.5 + y0;
! 283: sa = sin(-Pi * angle / 180);
! 284: ca = cos(Pi * angle / 180);
! 285: while (s[k]) {
! 286: for (i = 0; i < 8; i++)
! 287: for (j = 0; j < 8; j++)
! 288: g_set(x + ca * j - sa * i, y + ca * i + sa * j, (font[(int) s[k]][i] & (1 << (7 - j))) ? color : 0);
! 289: k++;
! 290: x += ca * 8;
! 291: y += sa * 8;
! 292: }
! 293: }
! 294:
! 295: /* end of gstring.c */
! 296:
! 297: TERM_PUBLIC void EMXVGA_init()
! 298: {
! 299: if (!g_mode(EMXVGA_vmode)) {
! 300: fputs("Unable to initiate graphics.\n", stderr);
! 301: return;
! 302: }
! 303: term->xmax = g_xsize;
! 304: term->ymax = g_ysize;
! 305: lasty = g_ysize - 1;
! 306: }
! 307: TERM_PUBLIC void EMXVGA_reset()
! 308: {
! 309: g_mode(GTEXT);
! 310: graphics_on = FALSE;
! 311: }
! 312: TERM_PUBLIC void EMXVGA_text()
! 313: {
! 314: if (graphics_on) {
! 315: emx_getch();
! 316: g_mode(GTEXT);
! 317: graphics_on = FALSE;
! 318: }
! 319: }
! 320: TERM_PUBLIC void EMXVGA_graphics()
! 321: {
! 322: if (!graphics_on) {
! 323: g_mode(EMXVGA_vmode);
! 324: graphics_on = TRUE;
! 325: }
! 326: }
! 327: TERM_PUBLIC void EMXVGA_linetype(linetype)
! 328: int linetype;
! 329: {
! 330: EMXVGA_color = vgacolor[(linetype % 13) + 2];
! 331: }
! 332: TERM_PUBLIC void EMXVGA_move(x, y)
! 333: unsigned int x, y;
! 334: {
! 335: startx = x;
! 336: starty = y;
! 337: }
! 338: TERM_PUBLIC void EMXVGA_vector(x, y)
! 339: unsigned int x, y;
! 340: {
! 341: g_line(startx, lasty - starty, x, lasty - y, EMXVGA_color);
! 342: startx = x;
! 343: starty = y;
! 344: }
! 345: TERM_PUBLIC int EMXVGA_text_angle(ang)
! 346: int ang;
! 347: {
! 348: EMXVGA_angle = ang * 90;
! 349: return (TRUE);
! 350: }
! 351: TERM_PUBLIC void EMXVGA_put_text(x, y, str)
! 352: unsigned int x, y;
! 353: char *str;
! 354: {
! 355: g_string(x, lasty - y - 3, EMXVGA_color, EMXVGA_angle, str);
! 356: }
! 357: TERM_PUBLIC void EMXVGA_suspend()
! 358: {
! 359: if (EMXVGA_buf)
! 360: free(EMXVGA_buf); /* do this just for safety */
! 361: EMXVGA_buf = (char *) malloc(g_memsize);
! 362: g_save(EMXVGA_buf);
! 363: emx_getch();
! 364: g_mode(GTEXT);
! 365: }
! 366: TERM_PUBLIC void EMXVGA_resume()
! 367: {
! 368: g_mode(EMXVGA_vmode);
! 369: g_restore(EMXVGA_buf);
! 370: free(EMXVGA_buf);
! 371: }
! 372:
! 373: #ifdef EMXVESA
! 374: int emx_vesamode = G640x480x256;
! 375: int emx_xlast, emx_ylast;
! 376: TERM_PUBLIC void EMXVESA_options()
! 377: {
! 378: if (!END_OF_COMMAND) {
! 379: if (almost_equals(c_token, "d$efault")) {
! 380: emx_vesamode = G640x480x256;
! 381: c_token++;
! 382: }
! 383: }
! 384: if (!END_OF_COMMAND) {
! 385: /* We have a vesa mode specified */
! 386: struct value a;
! 387: emx_vesamode = (int) real(const_express(&a));
! 388: }
! 389: sprintf(term_options, "%d", emx_vesamode);
! 390: }
! 391: TERM_PUBLIC void EMXVESA_init()
! 392: {
! 393: if (!g_mode(emx_vesamode))
! 394: int_error("Couldn't select graphics mode", NO_CARET);
! 395: emx_xlast = g_xsize - 1;
! 396: term->xmax = emx_xlast + 1;
! 397: emx_ylast = g_ysize - 1;
! 398: term->ymax = emx_ylast + 1;
! 399: g_mode(GTEXT);
! 400: }
! 401: TERM_PUBLIC void EMXVESA_graphics()
! 402: {
! 403: g_mode(emx_vesamode);
! 404: }
! 405: TERM_PUBLIC void EMXVESA_text()
! 406: {
! 407: int ch;
! 408: ch = getch();
! 409: g_mode(GTEXT);
! 410: if (ch == 3)
! 411: int_error("Interrupt", NO_CARET);
! 412: }
! 413: TERM_PUBLIC void EMXVESA_reset()
! 414: {
! 415: }
! 416:
! 417: #endif /* VESA */
! 418: #endif /* TERM_BODY */
! 419:
! 420: #ifdef TERM_TABLE
! 421: #ifdef EMXVESA
! 422: TERM_TABLE_START(vesa_driver)
! 423: "vesa", "IBM PC/Clone with VESA SVGA graphics board [vesa mode]",
! 424: EMXVGA_XMAX, EMXVGA_YMAX, EMXVGA_VCHAR, EMXVGA_HCHAR,
! 425: EMXVGA_VTIC, EMXVGA_HTIC, EMXVESA_options, EMXVESA_init, EMXVESA_reset,
! 426: EMXVESA_text, null_scale, EMXVESA_graphics, EMXVGA_move, EMXVGA_vector,
! 427: EMXVGA_linetype, EMXVGA_put_text, EMXVGA_text_angle,
! 428: null_justify_text, do_point, do_arrow, set_font_null
! 429: TERM_TABLE_END(vesa_driver)
! 430:
! 431: #undef LAST_TERM
! 432: #define LAST_TERM vesa_driver
! 433:
! 434: #endif /* VESA */
! 435:
! 436: TERM_TABLE_START(emxvga_driver)
! 437: "emxvga", "PC with VGA running DOS or OS/2",
! 438: EMXVGA_XMAX, EMXVGA_YMAX, EMXVGA_VCHAR, EMXVGA_HCHAR,
! 439: EMXVGA_VTIC, EMXVGA_HTIC, options_null, EMXVGA_init, EMXVGA_reset,
! 440: EMXVGA_text, null_scale, EMXVGA_graphics, EMXVGA_move,
! 441: EMXVGA_vector, EMXVGA_linetype, EMXVGA_put_text, EMXVGA_text_angle,
! 442: null_justify_text, do_point, do_arrow, set_font_null,
! 443: 0, /* pointsize */
! 444: TERM_CAN_MULTIPLOT, EMXVGA_suspend, EMXVGA_resume
! 445: TERM_TABLE_END(emxvga_driver)
! 446:
! 447: #undef LAST_TERM
! 448: #define LAST_TERM emxvga_driver
! 449:
! 450: #endif /* TERM_TABLE */
! 451: #endif /* TERM_PROTO_ONLY */
! 452: #ifdef TERM_HELP
! 453: START_HELP(emxvga)
! 454: "1 emxvga",
! 455: "?commands set terminal emxvga",
! 456: "?set terminal emxvga",
! 457: "?set term emxvga",
! 458: "?terminal emxvga",
! 459: "?term emxvga",
! 460: "?emxvga",
! 461: "?commands set terminal emxvesa",
! 462: "?set terminal emxvesa",
! 463: "?set term emxvesa",
! 464: "?terminal emxvesa",
! 465: "?term emxvesa",
! 466: "?emxvesa",
! 467: "?commands set terminal vgal",
! 468: "?set terminal vgal",
! 469: "?set term vgal",
! 470: "?terminal vgal",
! 471: "?term vgal",
! 472: "?vgal",
! 473: " The `emxvga`, `emxvesa` and `vgal` terminal drivers support PCs with SVGA,",
! 474: " vesa SVGA and VGA graphics boards, respectively. They are intended to be",
! 475: " compiled with \"emx-gcc\" under either DOS or OS/2. They also need VESA and",
! 476: " SVGAKIT maintained by Johannes Martin (JMARTIN@GOOFY.ZDV.UNI-MAINZ.DE) with",
! 477: " additions by David J. Liu (liu@phri.nyu.edu).",
! 478: "",
! 479: " Syntax:",
! 480: " set terminal emxvga",
! 481: " set terminal emxvesa {vesa-mode}",
! 482: " set terminal vgal",
! 483: "",
! 484: " The only option is the vesa mode for `emxvesa`, which defaults to G640x480x256."
! 485: END_HELP(emxvga)
! 486: #endif /* TERM_HELP */
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