Reddit reviews Tyco Power Plug for Super Nintendo System

> And i certainly dont remember macroing back in the day on my SNES

Sure we did. This is how most people did it:
http://i1070.photobucket.com/albums/u486/ozzy19961/2014-09-27163455_zpsef48c4a2.jpg

Find a safe spot, put a c-clamp or the like on an autofire controller. I remember doing that in Zelda II on nes. My fave one was an RPG by Falcom (Who made Ys), Dragon Slayer, Legend of Heroes. It didn't really use random encounters, monsters moved on the overworld. There was a town where they just had an infinite stream of monsters. So I would get infront of it, and tape down the attack button.

Besides that though, we also had these types of devices:
https://www.amazon.com/Tyco-Power-Plug-Super-Nintendo-System/dp/B000FIFE9E

You could program simple macros into them. http://segaretro.org/Power_Plug