#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <crt0.h>

#include "timer.h"
#include "keyb.h"
#include "vga.h"
#include "data.h"
#include "game.h"

/* disable paging because our int handlers are written in C */
int _crt0_startup_flags = _CRT0_FLAG_LOCK_MEMORY;

void free_all()
{
    timer_free();
    keyb_free();
}

int main(int argc, char *argv[])
{
    timer_init();
    keyb_init();
    atexit(free_all);

    /* set VGA 320x200, 256 col */
    if (!set_mode(0x13))
    {
        fprintf(stderr, "ERROR: failed to init the VGA card\n");
        return 1;
    }

    set_palette(binary_palette_start);

    if (!open_framebuffer())
    {
        set_mode(3);
        fprintf(stderr, "ERROR: failed to open the framebuffer\n");
        return 1;
    }

    blit_erase(0);
    wait_vsync();
    blit_update();

    run_game();

    set_mode(3);
    close_framebuffer();

    return 0;
}