git.mutantstargoat.com Git - dosdemo/blob - src/dos/main.c

   1 #include <stdio.h>
   2 #include <limits.h>
   3 #include "demo.h"
   4 #include "keyb.h"
   5 #include "timer.h"
   6 #include "gfx.h"
   7
   8 static int quit;
   9
  10 int main(int argc, char **argv)
  11 {
  12         void *vmem;
  13         long fbsize = fb_width * fb_height * fb_bpp / CHAR_BIT;
  14
  15         init_timer(100);
  16         kb_init(32);
  17
  18         if(!(fb_pixels = malloc(fbsize))) {
  19                 fprintf(stderr, "failed to allocate backbuffer\n");
  20                 return 1;
  21         }
  22
  23         if(!(vmem = set_video_mode(fb_width, fb_height, fb_bpp))) {
  24                 return 1;
  25         }
  26
  27         if(demo_init(argc, argv) == -1) {
  28                 set_text_mode();
  29                 return 1;
  30         }
  31         reset_timer();
  32
  33         while(!quit) {
  34                 int key;
  35                 while((key = kb_getkey()) != -1) {
  36                         demo_keyboard(key, 1);
  37                 }
  38                 if(quit) goto break_evloop;
  39
  40                 mouse_bmask = read_mouse(&mouse_x, &mouse_y);
  41
  42                 time_msec = get_msec();
  43                 demo_draw();
  44
  45                 /*wait_vsync();*/
  46                 memcpy(vmem, fb_pixels, fbsize);
  47         }
  48
  49 break_evloop:
  50         set_text_mode();
  51         demo_cleanup();
  52         kb_shutdown();
  53         return 0;
  54 }
  55
  56 void demo_quit(void)
  57 {
  58         quit = 1;
  59 }