It's about an emulator being able to run the very impressive 8088MPH "demo", which uses a bunch of hardware tricks to pull off stuff you wouldn't expect a 4.77mhz/640kb RAM/4 colour/PC speaker could do.

https://www.pouet.net/prod.php?which=65371

the sequel is Area 5150

https://www.youtube.com/watch?v=fWDxdoRTZPc