<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> PowerPC 603/603e/e300. I have some unpublished research on how the (undocumented) JTAG interface works there, implementing a probe will let me check and clean up my assumptions.</p>