Does studying toy operating systems teach strictly more, or just different skills, than studying bare-metal embedded frameworks like <a href="https://github.com/rsta2/circle" rel="nofollow">https://github.com/rsta2/circle</a> (which powers <a href="https://github.com/dwhinham/mt32-pi" rel="nofollow">https://github.com/dwhinham/mt32-pi</a>, unlike Zynthian which is Linux-based (<a href="https://zynthian.org/#software" rel="nofollow">https://zynthian.org/#software</a>))? I dropped out of uni before completing my OS course, and I planned to look into mt32-pi, but sadly struggled with hardware and software setup (game MIDIs wouldn't play right, and in terms of sound design, all the good MT-32 patch editors are for obsolete platforms and many are gone from the Internet).