Read/Write "timestamps" from/to savefiles ?

Discussion in '3DS - Homebrew Development and Emulators' started by supercarotte, Oct 16, 2017.

  1. supercarotte

    supercarotte GBAtemp Advanced Fan

    May 21, 2015
    Does the 3DS have some kind of standard to store dates inside its savefiles ?
    Most games I've seen so far seem to at least store the last-saved date in their savedata, but I can't figure out how to read/edit it : it seems to be 4-to-6-bytes long but doesn't look like plaintext nor a hash.

    I'm not really sure where/how to look at it anymore, would anyone have an idea ?

    Edit : I forgot to say that sometimes the date stored is relative to the raw rtc clock, sometimes it's not. Rtc-relative seem to be shorter and both look completely different for identical dates, which means there is at least 2 types of structures.
    Last edited by supercarotte, Oct 17, 2017
  2. trainboy2019

    trainboy2019 Well-Known Member

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    Oct 6, 2015
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    I believe each way a game is saved is up to the devs of the game. So that info is probably in different locations in the save depending on the game.