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- /**
- ** BIOSFONT.C
- **
- ** Copyright (C) 1992, Csaba Biegl
- ** 820 Stirrup Dr, Nashville, TN, 37221
- ** csaba@vuse.vanderbilt.edu
- **
- ** This file is distributed under the terms listed in the document
- ** "copying.cb", available from the author at the address above.
- ** A copy of "copying.cb" should accompany this file; if not, a copy
- ** should be available from where this file was obtained. This file
- ** may not be distributed without a verbatim copy of "copying.cb".
- ** You should also have received a copy of the GNU General Public
- ** License along with this program (it is in the file "copying");
- ** if not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- ** Cambridge, MA 02139, USA.
- **
- ** This program is distributed in the hope that it will be useful,
- ** but WITHOUT ANY WARRANTY; without even the implied warranty of
- ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- ** GNU General Public License for more details.
- **/
-
- #include "grx.h"
- #include "libgrx.h"
- #include "grxfont.h"
- #include "grxfile.h"
- #include "interrup.h"
-
- #include <string.h>
-
- static FixedFont bios8x8font = { 0 };
- static FixedFont bios8x14font = { 0 };
- static FixedFont bios8x16font = { 0 };
-
- GrFont *GrLoadBIOSFont(char *name)
- {
- FixedFont *result;
- REGISTERS reg;
- int height,baseline;
-
- switch(_GrAdapterType) {
- case GR_VGA:
- case GR_8514A:
- case GR_S3:
- if(strcmp(name,"@:pc8x16"FNTEXT) == 0) {
- result = &bios8x16font;
- height = 16;
- baseline = 11;
- reg.r_bx = 0x0600;
- break;
- }
- case GR_EGA:
- if(strcmp(name,"@:pc8x14"FNTEXT) == 0) {
- result = &bios8x14font;
- height = 14;
- baseline = 10;
- reg.r_bx = 0x0200;
- break;
- }
- if(strcmp(name,"@:pc8x8"FNTEXT) == 0) {
- result = &bios8x8font;
- height = 8;
- baseline = 6;
- reg.r_bx = 0x0300;
- break;
- }
- default:
- return(NULL);
- }
- if(result->ff_bits == (char far *)NULL) {
- reg.r_ax = 0x1130;
- int10(®);
- result->h.fnt_isfixed = TRUE;
- result->h.fnt_width = 8;
- result->h.fnt_height = height;
- result->h.fnt_minchar = 0;
- result->h.fnt_maxchar = 255;
- result->h.fnt_internal = TRUE;
- result->h.fnt_baseline = baseline;
- result->h.fnt_undwidth = 1;
- strcpy(result->h.fnt_name,name);
- strcpy(result->h.fnt_family,"pc");
- result->ff_chrsize = height;
- #ifdef __GNUC__
- result->ff_bits = (char *)reg.r_bp;
- #endif
- #ifdef __TURBOC__
- result->ff_bits = MK_FP(reg.r_es,reg.r_bp);
- #endif
- }
- return((GrFont *)result);
- }
-