SvgaLib/demos/addmodetest.c

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/* From VGAlib, changed for svgalib */
/* partially copyrighted (C) 1993 by Hartmut Schirmer */
#include <stdio.h>
#include <unistd.h> /* for usleep( long ) */
#include <string.h>
#include <stdlib.h>
#include "vga.h"
static unsigned char line[2048 * 3];
static void testmode(int mode)
{
int xmax, ymax, i, x, y, yw, ys, c;
vga_modeinfo *modeinfo;
vga_setmode(mode);
modeinfo = vga_getmodeinfo(mode);
printf("Width: %d Height: %d Colors: %d\n",
modeinfo->width,
modeinfo->height,
modeinfo->colors);
printf("DisplayStartRange: %xh Maxpixels: %d Blit: %s\n",
modeinfo->startaddressrange,
modeinfo->maxpixels,
modeinfo->haveblit ? "YES" : "NO");
printf("Offset: %i Bytes Per Pixel: %d\n",
modeinfo->linewidth,
modeinfo->bytesperpixel);
#ifdef TEST_MODEX
if (modeinfo->colors == 256)
printf("Switching to ModeX ... %s\n",
(vga_setmodeX()? "done" : "failed"));
#endif
vga_screenoff();
xmax = vga_getxdim() - 1;
ymax = vga_getydim() - 1;
vga_setcolor(vga_white());
vga_drawline(0, 0, xmax, 0);
vga_drawline(xmax, 0, xmax, ymax);
vga_drawline(xmax, ymax, 0, ymax);
vga_drawline(0, ymax, 0, 0);
for (i = 0; i <= 15; i++) {
vga_setegacolor(i);
vga_drawline(10 + i * 5, 10, 90 + i * 5, 90);
}
for (i = 0; i <= 15; i++) {
vga_setegacolor(i);
vga_drawline(90 + i * 5, 10, 10 + i * 5, 90);
}
vga_screenon();
ys = 100;
yw = (ymax - 100) / 4;
switch (vga_getcolors()) {
case 256:
for (i = 0; i < 60; ++i) {
c = (i * 64) / 60;
vga_setpalette(i + 16, c, c, c);
vga_setpalette(i + 16 + 60, c, 0, 0);
vga_setpalette(i + 16 + (2 * 60), 0, c, 0);
vga_setpalette(i + 16 + (3 * 60), 0, 0, c);
}
line[0] = line[xmax] = 15;
line[1] = line[xmax - 1] = 0;
for (x = 2; x < xmax - 1; ++x)
line[x] = (((x - 2) * 60) / (xmax - 3)) + 16;
for (y = ys; y < ys + yw; ++y)
vga_drawscanline(y, line);
for (x = 2; x < xmax - 1; ++x)
line[x] += 60;
ys += yw;
for (y = ys; y < ys + yw; ++y)
vga_drawscanline(y, line);
for (x = 2; x < xmax - 1; ++x)
line[x] += 60;
ys += yw;
for (y = ys; y < ys + yw; ++y)
vga_drawscanline(y, line);
for (x = 2; x < xmax - 1; ++x)
line[x] += 60;
ys += yw;
for (y = ys; y < ys + yw; ++y)
vga_drawscanline(y, line);
break;
case 1 << 15:
case 1 << 16:
case 1 << 24:
for (x = 2; x < xmax - 1; ++x) {
c = ((x - 2) * 256) / (xmax - 3);
y = ys;
vga_setrgbcolor(c, c, c);
vga_drawline(x, y, x, y + yw - 1);
y += yw;
vga_setrgbcolor(c, 0, 0);
vga_drawline(x, y, x, y + yw - 1);
y += yw;
vga_setrgbcolor(0, c, 0);
vga_drawline(x, y, x, y + yw - 1);
y += yw;
vga_setrgbcolor(0, 0, c);
vga_drawline(x, y, x, y + yw - 1);
}
for (x = 0; x < 64; x++) {
for (y = 0; y < 64; y++) {
vga_setrgbcolor(x * 4 + 3, y * 4 + 3, 0);
vga_drawpixel(xmax / 2 - 160 + x, y + ymax / 2 - 80);
vga_setrgbcolor(x * 4 + 3, 0, y * 4 + 3);
vga_drawpixel(xmax / 2 - 32 + x, y + ymax / 2 - 80);
vga_setrgbcolor(0, x * 4 + 3, y * 4 + 3);
vga_drawpixel(xmax / 2 + 160 - 64 + x, y + ymax / 2 - 80);
vga_setrgbcolor(x * 4 + 3, y * 4 + 3, 255);
vga_drawpixel(xmax / 2 - 160 + x, y + ymax / 2 + 16);
vga_setrgbcolor(x * 4 + 3, 255, y * 4 + 3);
vga_drawpixel(xmax / 2 - 32 + x, y + ymax / 2 + 16);
vga_setrgbcolor(255, x * 4 + 3, y * 4 + 3);
vga_drawpixel(xmax / 2 + 160 - 64 + x, y + ymax / 2 + 16);
}
}
break;
default:
if (vga_getcolors() == 16) {
for (i = 0; i < xmax - 1; i++)
line[i] = (i + 2) % 16;
line[0] = line[xmax] = 15;
line[1] = line[xmax - 1] = 0;
}
if (vga_getcolors() == 2) {
for (i = 0; i <= xmax; i++)
line[i] = 0x11;
line[0] = 0x91;
}
for (i = 100; i < ymax - 1; i++)
vga_drawscanline(i, line);
break;
}
if (getchar() == 'd')
vga_dumpregs();
vga_setmode(TEXT);
}
int main(int argc, char *argv[])
{
int mode;
int tests=0xffffffff;
if(argc>1)tests=strtol(argv[1],NULL,0);
vga_init(); /* Initialize. */
if(tests&1){
vga_addtiming(45000,720,776,880,936,540,570,576,600,0);
vga_addtiming(36000,720,756,872,950,540,542,547,565,0);
mode=vga_addmode(720,540,1<<24,720*4,4);
printf("Mode=%i\n",mode);
if (vga_hasmode(mode))
testmode(mode);
else printf("Error: Video mode not supported by driver\n");
};
if(tests&2){
vga_addtiming(45000,720,776,880,936,720,750,756,800,0);
vga_addtiming(36000,720,756,872,950,720,723,729,750,0);
mode=vga_addmode(720,720,1<<24,720*4,4);
printf("Mode=%i\n",mode);
if (vga_hasmode(mode))
testmode(mode);
else printf("Error: Video mode not supported by driver\n");
};
if(tests&4){
vga_guesstiming(576,432,0,0);
mode=vga_addmode(576,432,1<<16,576*2,2);
printf("Mode=%i\n",mode);
if (vga_hasmode(mode))
testmode(mode);
else printf("Error: Video mode not supported by driver\n");
};
if(tests&8){
vga_guesstiming(576,431,1,0);
mode=vga_addmode(576,431,1<<16,576*2,2);
printf("Mode=%i\n",mode);
if (vga_hasmode(mode))
testmode(mode);
else printf("Error: Video mode not supported by driver\n");
};
if(tests&16){
vga_guesstiming(360,271,1,0);
mode=vga_addmode(360,271,1<<16,360*2,2);
printf("Mode=%i\n",mode);
if (vga_hasmode(mode))
testmode(mode);
else printf("Error: Video mode not supported by driver\n");
};
if(tests&32){
vga_guesstiming(360,270,1,0);
mode=vga_addmode(360,270,1<<16,360*2,2);
printf("Mode=%i\n",mode);
if (vga_hasmode(mode))
testmode(mode);
else printf("Error: Video mode not supported by driver\n");
};
if(tests&64){
vga_guesstiming(672,800,257,0);
mode=vga_addmode(672,800,1<<16,672*2,2);
printf("Mode=%i\n",mode);
if (vga_hasmode(mode))
testmode(mode);
else printf("Error: Video mode not supported by driver\n");
};
if(tests&128){
vga_guesstiming(712,800,257,0);
mode=vga_addmode(712,800,1<<16,712*2,2);
printf("Mode=%i\n",mode);
if (vga_hasmode(mode))
testmode(mode);
else printf("Error: Video mode not supported by driver\n");
};
return 0;
}