The Apple ][ did some finicking with the clock to avoid the half-cycle, but I don't see any reason to do so here, because that was to keep things aligned with the colorburst. Where we are, we don't need colorbursts.
UINT64 elapsed = after - before;
，更多细节参见heLLoword翻译
Мир Российская Премьер-лига|20-й тур。关于这个话题，谷歌提供了深入分析
This Qi2 MagSafe power bank has a built-in USB-C cable and can top off up to three devices at once.