void gen_board(struct Board *brd){
    int height = brd->height;
    int width = brd->width;

    brd->board_state = malloc(sizeof(struct Cell*) * height);
    for(int i=0; i<height; i++){
        brd->board_state[i] = malloc(sizeof(struct Cell) * width);
    }

    srand(rtc_ticks());
    for(int v=0;v<height;v++){
        for(int z=0;z<width;z++){
            brd->board_state[v][z].value=0; //assign all cells 0 (no mine)
            brd->board_state[v][z].state=0;
        }
    }
    for(int i=0; i<brd->nmines; i++){
        int y = rand()%brd->height;
        int x = rand()%brd->width;
        brd->board_state[y][x].value = 69; //assign nmines number of random cells 69 so it's a mine
        for(int v=y-1;v<=y+1;v++){
            for(int z=x-1;v<=y+1;v++){
                if(!(v==y && x==z))
                    if(brd->board_state[v][z].value!=69)
                        brd->board_state[v][z].value++;
            }
        }
    }
}