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* vga.c - driver for VGA graphics adaptor under MS-DOS |
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*/ |
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< |
#include <stdio.h> |
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> |
#include "standard.h" |
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#include <graph.h> |
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vga_init(name, id) /* open VGA */ |
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char *name, *id; |
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{ |
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< |
static short mode_pref[] = {_XRES256COLOR, _SVRES256COLOR, |
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> |
static short mode_pref[] = {_MRES256COLOR, -1}; |
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> |
static short smode_pref[] = {_XRES256COLOR, _SVRES256COLOR, |
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_VRES256COLOR, _MRES256COLOR, -1}; |
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char *ep; |
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< |
register int i; |
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> |
register short *mp; |
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|
| 47 |
< |
for (i = 0; mode_pref[i] != -1; i++) |
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< |
if (_setvideomode(mode_pref[i])) |
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> |
mp = !strcmp(name, "vga") ? mode_pref : smode_pref; |
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> |
for ( ; *mp != -1; mp++) |
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> |
if (_setvideomode(*mp)) |
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break; |
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< |
if (mode_pref[i] == -1) { |
| 51 |
> |
if (*mp == -1) { |
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_setvideomode(_DEFAULTMODE); |
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< |
stderr_v(name); |
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< |
stderr_v(": card not present or insufficient VGA memory\n"); |
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> |
eputs(name); |
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> |
eputs(": card not present or insufficient VGA memory\n"); |
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return(NULL); |
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} |
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_getvideoconfig(&config); |
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_remappalette(1, _BRIGHTWHITE); |
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_settextcolor(1); |
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ms_gcinit(&vga_driver); |
| 79 |
< |
errvec = vga_errout; |
| 80 |
< |
cmdvec = vga_comout; |
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< |
if (wrnvec != NULL) |
| 82 |
< |
wrnvec = vga_comout; |
| 79 |
> |
erract[USER].pf = |
| 80 |
> |
erract[SYSTEM].pf = |
| 81 |
> |
erract[INTERNAL].pf = |
| 82 |
> |
erract[CONSISTENCY].pf = vga_errout; |
| 83 |
> |
erract[COMMAND].pf = vga_comout; |
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> |
if (erract[WARNING].pf != NULL) |
| 85 |
> |
erract[WARNING].pf = vga_comout; |
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return(&vga_driver); |
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} |
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|
| 90 |
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static |
| 91 |
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vga_close() /* close VGA */ |
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{ |
| 93 |
+ |
ms_gcdone(&vga_driver); |
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|
_setvideomode(_DEFAULTMODE); |
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< |
errvec = stderr_v; /* reset error vectors */ |
| 96 |
< |
cmdvec = NULL; |
| 97 |
< |
if (wrnvec != NULL) |
| 98 |
< |
wrnvec = stderr_v; |
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> |
erract[USER].pf = /* reset error vector */ |
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> |
erract[SYSTEM].pf = |
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> |
erract[INTERNAL].pf = |
| 98 |
> |
erract[CONSISTENCY].pf = eputs; |
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> |
erract[COMMAND].pf = NULL; |
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> |
if (erract[WARNING].pf != NULL) |
| 101 |
> |
erract[WARNING].pf = wputs; |
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if (fatalerr[0]) |
| 103 |
< |
stderr_v(fatalerr); /* repeat error message */ |
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> |
eputs(fatalerr); /* repeat error message */ |
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} |
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