NES controller. How i can configure save\load keys combinations?

[gOnAgO]

Good day! The question is: How can I configure a combination of keys on your NES USB gamepad for saving\loading the games and to select and change save slot? At "RetroPie" I just finished writing a piece of code manually in the configuration file, because the NES controller not the default buttons included in the combination to save\load. Here it is possible to do something like that?

[paradadf]

What does your code does?
The original NES controller simply doesn't have enough buttons to confortably use such funcions.

[gOnAgO]

@paradadf I just manually added your config controller in "RetroPie" line to use combinations: 1.Save\Load = Select+Right\Select+Left select save slot combinations: 2. +- slot =Select+Up\Select+Down it's very simple:)

[paradadf]

@gOnAgO those combos are already mapped, although slightly different:

https://github.com/recalbox/recalbox-os/wiki/Manual-(EN)#duringgame-special

I don't know how or if you can change it.