19 |
|
#define GAMMA 2.2 /* exponent for color correction */ |
20 |
|
|
21 |
|
|
22 |
< |
int vga_close(), vga_clear(), vga_paintr(), vga_comout(), vga_comin(); |
22 |
> |
int vga_close(), vga_clear(), vga_paintr(), vga_comout(), vga_errout(), |
23 |
> |
vga_comin(); |
24 |
|
|
25 |
|
static struct driver vga_driver = { |
26 |
|
vga_close, vga_clear, vga_paintr, NULL, |
27 |
< |
vga_comout, vga_comin, NULL |
27 |
> |
vga_comout, vga_comin, NULL, 1.0 |
28 |
|
}; |
29 |
|
|
30 |
+ |
static char fatalerr[128]; |
31 |
+ |
|
32 |
|
static struct videoconfig config; |
33 |
|
|
34 |
+ |
extern char *getenv(); |
35 |
|
|
36 |
+ |
|
37 |
|
struct driver * |
38 |
|
vga_init(name, id) /* open VGA */ |
39 |
|
char *name, *id; |
40 |
|
{ |
41 |
< |
if (_setvideomode(_MRES256COLOR) == 0) |
41 |
> |
static short mode_pref[] = {_XRES256COLOR, _SVRES256COLOR, |
42 |
> |
_MRES256COLOR, -1}; |
43 |
> |
char *ep; |
44 |
> |
register int i; |
45 |
> |
|
46 |
> |
for (i = 0; mode_pref[i] != -1; i++) |
47 |
> |
if (_setvideomode(mode_pref[i])) |
48 |
> |
break; |
49 |
> |
if (mode_pref[i] == -1) { |
50 |
> |
_setvideomode(_DEFAULTMODE); |
51 |
> |
stderr_v(name); |
52 |
> |
stderr_v(": card not present or insufficient VGA memory\n"); |
53 |
|
return(NULL); |
54 |
+ |
} |
55 |
|
_getvideoconfig(&config); |
56 |
|
_settextwindow(config.numtextrows-2, 1, |
57 |
|
config.numtextrows, config.numtextcols); |
58 |
|
vga_driver.xsiz = config.numxpixels; |
59 |
< |
vga_driver.ysiz = config.numypixels*(config.numtextrows-3) |
59 |
> |
vga_driver.ysiz = (long)config.numypixels*(config.numtextrows-3) |
60 |
|
/config.numtextrows; |
61 |
< |
vga_driver.pixaspect = .75*config.numxpixels/config.numypixels; |
61 |
> |
switch (config.mode) { /* correct problems */ |
62 |
> |
case _XRES256COLOR: |
63 |
> |
vga_driver.ysiz -= 16; |
64 |
> |
break; |
65 |
> |
case _MRES256COLOR: |
66 |
> |
vga_driver.pixaspect = 1.2; |
67 |
> |
break; |
68 |
> |
} |
69 |
|
_setviewport(0, 0, vga_driver.xsiz, vga_driver.ysiz); |
70 |
< |
make_gmap(GAMMA); /* make color map */ |
71 |
< |
_remappalette(1, 0x303030L); |
70 |
> |
if ((ep = getenv("GAMMA")) != NULL) /* make gamma map */ |
71 |
> |
make_gmap(atof(ep)); |
72 |
> |
else |
73 |
> |
make_gmap(GAMMA); |
74 |
> |
_remappalette(1, _BRIGHTWHITE); |
75 |
|
_settextcolor(1); |
76 |
< |
errvec = vga_comout; |
76 |
> |
ms_gcinit(&vga_driver); |
77 |
> |
errvec = vga_errout; |
78 |
|
cmdvec = vga_comout; |
79 |
|
if (wrnvec != NULL) |
80 |
|
wrnvec = vga_comout; |
85 |
|
static |
86 |
|
vga_close() /* close VGA */ |
87 |
|
{ |
88 |
< |
errvec = stderr_v; /* reset error vector */ |
88 |
> |
_setvideomode(_DEFAULTMODE); |
89 |
> |
errvec = stderr_v; /* reset error vectors */ |
90 |
|
cmdvec = NULL; |
91 |
|
if (wrnvec != NULL) |
92 |
|
wrnvec = stderr_v; |
93 |
< |
_setvideomode(_DEFAULTMODE); |
93 |
> |
if (fatalerr[0]) |
94 |
> |
stderr_v(fatalerr); /* repeat error message */ |
95 |
|
} |
96 |
|
|
97 |
|
|
138 |
|
if (*s == '\0') |
139 |
|
break; |
140 |
|
tpos = _gettextposition(); |
141 |
< |
_settextposition(tpos.row, *s=='\r' ? 0 : tpos.col-1); |
141 |
> |
_settextposition(tpos.row, *s=='\r' ? 1 : tpos.col-1); |
142 |
|
continue; |
143 |
|
default: |
144 |
|
*cp++ = *s; |
146 |
|
} |
147 |
|
return(0); |
148 |
|
} |
149 |
+ |
fatalerr[0] = '\0'; |
150 |
+ |
} |
151 |
+ |
|
152 |
+ |
|
153 |
+ |
static |
154 |
+ |
vga_errout(msg) |
155 |
+ |
register char *msg; |
156 |
+ |
{ |
157 |
+ |
static char *fep = fatalerr; |
158 |
+ |
|
159 |
+ |
_outtext(msg); |
160 |
+ |
while (*msg) |
161 |
+ |
*fep++ = *msg++; |
162 |
+ |
*fep = '\0'; |
163 |
+ |
if (fep > fatalerr && fep[-1] == '\n') |
164 |
+ |
fep = fatalerr; |
165 |
|
} |
166 |
|
|
167 |
|
|