A question about NOAC:s

[DiDaenskePyndt]

Hello!

I've got a NOAC called "Mega Joy II", without a cartridge slot, or second controller (hard-wired or port). I wanted to convert this to a "Poor man's NES", for learning purpouses,
so i was wondering if there is any possibility to add this to it? I don't have a camera, but i can probably post images of the board later, if necessary.

EDIT:

[Life of Brian]

I really doubt it, unless you have some means of mapping out each pin of that glop top chip.

[DiDaenskePyndt]

So you dont think there could be any existing documentation? That's a bummer.