Initial. Don't... just don't ask.
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Ryan McGrath
commit
00bae13bba
586 changed files with 129057 additions and 0 deletions
143
utils/restorepalette.c
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143
utils/restorepalette.c
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <vga.h>
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#include <errno.h>
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#include <string.h> /* strerror */
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#include "../src/libvga.h"
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/* default palette values */
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static char default_red[256]
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=
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{0, 0, 0, 0, 42, 42, 42, 42, 21, 21, 21, 21, 63, 63, 63, 63,
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0, 5, 8, 11, 14, 17, 20, 24, 28, 32, 36, 40, 45, 50, 56, 63,
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0, 16, 31, 47, 63, 63, 63, 63, 63, 63, 63, 63, 63, 47, 31, 16,
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0, 0, 0, 0, 0, 0, 0, 0, 31, 39, 47, 55, 63, 63, 63, 63,
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63, 63, 63, 63, 63, 55, 47, 39, 31, 31, 31, 31, 31, 31, 31, 31,
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45, 49, 54, 58, 63, 63, 63, 63, 63, 63, 63, 63, 63, 58, 54, 49,
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45, 45, 45, 45, 45, 45, 45, 45, 0, 7, 14, 21, 28, 28, 28, 28,
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28, 28, 28, 28, 28, 21, 14, 7, 0, 0, 0, 0, 0, 0, 0, 0,
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14, 17, 21, 24, 28, 28, 28, 28, 28, 28, 28, 28, 28, 24, 21, 17,
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14, 14, 14, 14, 14, 14, 14, 14, 20, 22, 24, 26, 28, 28, 28, 28,
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28, 28, 28, 28, 28, 26, 24, 22, 20, 20, 20, 20, 20, 20, 20, 20,
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0, 4, 8, 12, 16, 16, 16, 16, 16, 16, 16, 16, 16, 12, 8, 4,
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0, 0, 0, 0, 0, 0, 0, 0, 8, 10, 12, 14, 16, 16, 16, 16,
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16, 16, 16, 16, 16, 14, 12, 10, 8, 8, 8, 8, 8, 8, 8, 8,
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11, 12, 13, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 13, 12,
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11, 11, 11, 11, 11, 11, 11, 11, 0, 0, 0, 0, 0, 0, 0, 0};
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static char default_green[256]
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=
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{0, 0, 42, 42, 0, 0, 21, 42, 21, 21, 63, 63, 21, 21, 63, 63,
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0, 5, 8, 11, 14, 17, 20, 24, 28, 32, 36, 40, 45, 50, 56, 63,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 31, 47, 63, 63, 63, 63,
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63, 63, 63, 63, 63, 47, 31, 16, 31, 31, 31, 31, 31, 31, 31, 31,
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31, 39, 47, 55, 63, 63, 63, 63, 63, 63, 63, 63, 63, 55, 47, 39,
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45, 45, 45, 45, 45, 45, 45, 45, 45, 49, 54, 58, 63, 63, 63, 63,
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63, 63, 63, 63, 63, 58, 54, 49, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 7, 14, 21, 29, 28, 28, 28, 28, 28, 28, 28, 28, 21, 14, 7,
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14, 14, 14, 14, 14, 14, 14, 14, 14, 17, 21, 24, 28, 28, 28, 28,
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28, 28, 28, 28, 28, 24, 21, 17, 20, 20, 20, 20, 20, 20, 20, 20,
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20, 22, 24, 26, 28, 28, 28, 28, 28, 28, 28, 28, 28, 26, 24, 22,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 8, 12, 16, 16, 16, 16,
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16, 16, 16, 16, 16, 12, 8, 4, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 10, 12, 14, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 12, 10,
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11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 13, 15, 16, 16, 16, 16,
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16, 16, 16, 16, 16, 15, 13, 12, 0, 0, 0, 0, 0, 0, 0, 0};
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static char default_blue[256]
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=
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{0, 42, 0, 42, 0, 42, 0, 42, 21, 63, 21, 63, 21, 63, 21, 63,
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0, 5, 8, 11, 14, 17, 20, 24, 28, 32, 36, 40, 45, 50, 56, 63,
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63, 63, 63, 63, 63, 47, 31, 16, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 16, 31, 47, 63, 63, 63, 63, 63, 63, 63, 63, 63, 55, 47, 39,
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31, 31, 31, 31, 31, 31, 31, 31, 31, 39, 47, 55, 63, 63, 63, 63,
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63, 63, 63, 63, 63, 58, 54, 49, 45, 45, 45, 45, 45, 45, 45, 45,
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45, 49, 54, 58, 63, 63, 63, 63, 28, 28, 28, 28, 28, 21, 14, 7,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 14, 21, 28, 28, 28, 28,
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28, 28, 28, 28, 28, 24, 21, 17, 14, 14, 14, 14, 14, 14, 14, 14,
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14, 17, 21, 24, 28, 28, 28, 28, 28, 28, 28, 28, 28, 26, 24, 22,
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20, 20, 20, 20, 20, 20, 20, 20, 20, 22, 24, 26, 28, 28, 28, 28,
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16, 16, 16, 16, 16, 12, 8, 4, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 4, 8, 12, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 12, 10,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 10, 12, 14, 16, 16, 16, 16,
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16, 16, 16, 16, 16, 15, 13, 12, 11, 11, 11, 11, 11, 11, 11, 11,
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11, 12, 13, 15, 16, 16, 16, 16, 0, 0, 0, 0, 0, 0, 0, 0};
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void
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delay (void)
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{
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int i;
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for (i = 0; i < 10; i++);
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}
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/* Modifications to restorepalette to allow custom palette setting from a file.
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* The format of the file is simply a table of color number -> color mappings:
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* <color(0-255)> <red(0-63)> <green(0-63)> <blue(0-63)> <rest of line ignored>
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* By Charles Blake, chuckb@alice.wonderland.caltech.edu
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*/
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void
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process_palette_file (char **argv)
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{
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int i, n, r, g, b;
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FILE *palette_file;
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if ((palette_file = fopen (argv[1], "r")) == NULL)
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{
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fprintf (stderr, "%s opening %s: %s\n", argv[0], argv[1], strerror (errno));
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exit (1);
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}
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/*
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* NOTE:The tricky %*[^\n] conversion specifier allows arbitrary text following
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* any line with a valid entry on it. This is a simple comment syntax device.
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*/
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for (n = 1; fscanf (palette_file, "%d %d %d %d %*[^\n]", &i, &r, &g, &b) == 4; n++)
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{
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default_red[i] = r; /* deferred assignment prevents partial */
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default_green[i] = g; /* assignment in case of in-line errors */
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default_blue[i] = b;
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}
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if (!feof (palette_file))
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{
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fprintf (stderr, "%s parse error: %s: line %d\n", argv[0], argv[1], n);
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exit (1);
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}
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}
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int
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main (int argc, char *argv[])
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{
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int i;
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vga_init ();
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if (argc > 1)
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process_palette_file (argv);
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if (vga_getcurrentchipset () != EGA)
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{
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/* Restore textmode/16-color mode palette */
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if (vga_getcurrentchipset() != FBDEV)
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for (i = 0; i < 16; i++)
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{
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port_in (IS1_RC);
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delay ();
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port_out (i, ATT_IW); /* set palette color number */
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delay ();
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port_out (i, ATT_IW); /* set palette color value */
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delay ();
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}
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/* Restore 256-color VGA RGB look-up table */
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for (i = 0; i < 256; i++)
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vga_setpalette (i, default_red[i], default_green[i],
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default_blue[i]);
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if (vga_getcurrentchipset() != FBDEV) {
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port_in (IS1_RC);
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delay ();
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port_out (0x20, ATT_IW); /* enable display */
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}
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}
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return 0;
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}
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