Arbitrary Code Execution TAS like Triforce% or this Pokemon Yellow one[1] are more or less demos that target both the console and the "host game".

I would say even some non-ACE ones like this Brainage TAS[2] are demos :D

[1] https://www.youtube.com/watch?v=Vjm8P8utT5g [2] https://youtu.be/mSFHKAvTGNk?t=1005