u16 keycheck(SDL_Event event);

extern bool framebuffer[FB_WIDTH][FB_HEIGHT];

SDL_Event event;

bool keypressed[0x10];

int counter = 0;

int exec(u8 *mem) {
    bool increment = 1;
    bool disupdate = 0;
    char tempchar;
    u16 *temp = mem + PC;
    u16 addr =  __builtin_bswap16(*temp);
    //printf("%4X PC = %4X\n", addr, PC);

    while (SDL_PollEvent(&event)) {
        if (event.type == SDL_QUIT) return 0;
        else if (event.type == SDL_KEYDOWN) keycheck(event);
    }
    if (addr == 0x0000) return 0;
    switch (OP) {
        //some cases here
        case 0xE:
            switch (KK) {
                case 0x9E:
                    if (keypressed[V[X]]) PC += 2;
                    break;
                case 0xA1:
                    printf("\n");
                    if (keypressed[V[X]] == false) {
                        PC += 2;
                        printf("skip\n");
                    }
                    else printf("not skip\n");
                    break;
                }
        //more cases
     }

    for (int i = 0; i < 0x10; i++) keypressed[i] = false;
    if (increment) PC += 2;
    counter++;
    int zero = 0;
    if (disupdate) displayrefresh();

    return 1;
}

u16 keycheck(SDL_Event event) {
    printf("checking\n");
    switch (event.key.keysym.sym){
        case SDLK_x:
            keypressed[0x0] = true;
            return 0x0;
        //more cases here
        default:
            return 0x10;
    }
}