This started as a throwaway metaphor in a blog post, but is now fully runnable: a toy RTOS with preemptive multitasking inside of Super Mario Bros. on the NES.<p>Essentially, this is:<p>- A rudimentary preemptive RTOS<p>- Using an unmodified NES emulator (FCEUX) as the CPU<p><pre><code> - "U...