<p><span class="h-card" translate="no"><a href="https://ioc.exchange/@azonenberg" class="u-url mention">@<span>azonenberg</span></a></span> you also can't write the first IVT vector on real mode x86, unless you use a DOS extender that makes a NULL pointer use a non-0 bit pattern (afaik the primary user of that clause in the standard)</p>
