Unlocking 1986 mode with keyboard

[thebiomage]

If anyone else is trying to figure out how to unlock the mode with a keyboard, you literally do it with the arrow keys and letters B and A. For some reason I kept thinking the last part of the code would be the keys you've bound to some of the actions (like jump or attack), or stuff like mouse 1 and 2. But it's simply B and A. I guess the keyboard version of the code is the most faithful to the original code :D

[Alex]

thank you so much for this.