git.mutantstargoat.com Git - metatoy/blob - src/kern/main.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include "segm.h"
   5 #include "intr.h"
   6 #include "mem.h"
   7 #include "contty.h"
   8 #include "keyb.h"
   9 #include "psaux.h"
  10 #include "timer.h"
  11 #include "game.h"
  12
  13 unsigned char *framebuf, *vmem = (unsigned char*)0xa0000;
  14
  15 static int quit;
  16
  17
  18 int main(void)
  19 {
  20         int key;
  21
  22         init_segm();
  23         init_intr();
  24         con_init();
  25         kb_init();
  26         init_psaux();
  27         init_mem();
  28         init_timer();
  29         enable_intr();
  30
  31         if(!(framebuf = malloc(320 * 200))) {
  32                 printf("failed to allocate framebuffer\n");
  33                 goto end;
  34         }
  35
  36         if(game_init() == -1) {
  37                 goto end;
  38         }
  39
  40         for(;;) {
  41                 if((key = kb_getkey()) >= 0) {
  42                         game_keyboard(key, 1);
  43                 }
  44                 if(quit) break;
  45                 game_draw();
  46         }
  47         game_shutdown();
  48
  49 end:
  50         cleanup_intr(); /* also disables interrupts */
  51         cleanup_timer();
  52         return 0;
  53 }
  54
  55 unsigned long game_getmsec(void)
  56 {
  57         return TICKS_TO_MSEC(nticks);
  58 }
  59
  60 void game_quit(void)
  61 {
  62         quit = 1;
  63 }
  64
  65 void game_swap_buffers(void)
  66 {
  67         memcpy(vmem, framebuf, 64000);
  68 }