N64FlashcartMenu/docs/65_experimental.md

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Experimental Features (Subject to change)

Cheats

See: Cheats (Gameshark, etc.)

Rom information metadata

To show certain (metadata) information on the N64 ROM information screen, add a .ini file in the same directory as the game ROM file with the same ROM filename (but excluding the ROM extension i.e. [.z64, .v64, .n64] )

Tip

A rom called my N64 game rom.z64 will load Rom information metadata from my N64 game rom.ini.

and the following content under the file content header:

[metadata]

Examples of the "key=values" are:

ROM age rating

The age rating of the original ROM as matched to the ESRB rating (at the time of the game release).

    esrb_age_rating=0   /**< No age rating defined */
    esrb_age_rating=1   /**< Everyone */
    esrb_age_rating=2   /**< Everyone 10+ */
    esrb_age_rating=3   /**< Teen */
    esrb_age_rating=4   /**< Mature */
    esrb_age_rating=5   /**< Adults Only */

an example for an age rating of "Everyone 10+" would be:

[metadata]
esrb_age_rating=2

Note: PEGI support may be added as an option at a later date. In future, this can be of use for content filtering.

Customizing the font

The N64FlashcartMenu allows the ability to test new fonts or adding regional characters without recompiling the menu. However the font is explicitly linked to the currently used version of the libdragon SDK.
Add a font64 file to the sd:/menu/ directory called custom.font64.

You can build a font64 file with Mkfont, one of libdragon's tools. At the time of writing, you will need to obtain libdragon's preview branch artifacts to find out a copy of the prebuilt Windows executable. Read its related Wiki page for usage information.