libretro / libretro/RetroArch

[Feature Request] Enable "Don't overwrite SaveRAM on loading savestate" to work on .mcd saves

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feature request
Dominant language
C
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Forks
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Avg merge
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Merged PRs (30d)
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Description

Currently the option "Don't overwrite SaveRAM on loading savestate" only works on Libretros SRM save files.

Using SwanStation core, set to use use .mcd save files, when you load a save state it will overwrite the save.
Reseting the core does not undo this You must undo the load save state to have the mcd save to be the current, up to date file recognized.

Having this function would make using retroach across multiple devices more seamless

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the issue with the SwanStation core using .mcd saves and the "Don't overwrite SaveRAM on loading savestate" option. Trace how save states interact with .mcd SaveRAM, then verify that loading a save state no longer overwrites the current save file and that the behavior remains correct after a core reset.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
game-dev
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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