home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
PC Graphics Unleashed
/
PC Graphics Unleashed.iso
/
ch01
/
textfont.c
< prev
next >
Wrap
Text File
|
1993-12-06
|
1KB
|
44 lines
/**
** TEXTFONT.C ---- hacked text modes with 14 and 8 row fonts
**
** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
** Copyright (C) 1992 Csaba Biegl, 820 Stirrup Dr, Nashville, TN 37221
** Copyright (C) 1993 Grzegorz Mazur, gbm@ii.pw.edu.pl
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** A copy of "copying.dj" 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.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**/
int set_custom_text_mode(GrModeEntry *md,int noclear,int AXval)
{
int mode = md->mode.vdr.BIOS_mode;
#ifdef VESA_FUNC
if(mode >= 0x100) {
_BX = mode | (noclear ? 0x8000 : 0);
_AX = VESA_FUNC + VESA_SET_MODE;
geninterrupt(0x10);
if(_AX != VESA_SUCCESS) return(-1);
}
else {
#endif
_AX = mode | (noclear ? 0x80 : 0);
geninterrupt(0x10);
#ifdef VESA_FUNC
}
#endif
_AX = AXval; /* load BIOS font */
_BX = 0;
geninterrupt(0x10);
return(HDR->driver_flags);
}
#define mode_set_8x14_font(MD,CLF) set_custom_text_mode(MD,CLF,0x1111)
#define mode_set_8x8_font(MD,CLF) set_custom_text_mode(MD,CLF,0x1112)