TASEmulators / TASEmulators/BizHawk

RetroAchievements not detecting Braindead 13 (Atari Jaguar CD) in 2.11 - works in 2.10

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re: RetroAchievements Repro: Affects 2.11 Repro: Patch pending Repro: Regression from 2.10
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C#
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Description

Summary

Braindead 13 (Atari Jaguar CD) is not detected by RetroAchievements in BizHawk 2.11. The View Game Info page remains blank when the game is loaded using the Virtual Jaguar core. RAHasher confirms the ROM hash (6516d3fe6be7f24ac4364f518b6badf6) matches the supported game file for "Brain Dead 13". The same ROM file loads correctly and is properly detected by RetroAchievements in BizHawk 2.10.

Repro
  1. Launch BizHawk 2.11
  2. Load Braindead 13 (Atari Jaguar CD) ROM (hash: 6516d3fe6be7f24ac4364f518b6badf6)
  3. Virtual Jaguar core loads the game successfully
  4. Open RetroAchievements > View Game Info
  5. Page is blank - game not detected
Output

No error messages displayed. View Game Info page simply shows no game information (expected: "Brain Dead 13").

Host env.
  • BizHawk 2.11; Win11; Intel/NVIDIA - Issue present
  • BizHawk 2.10; Win11; Intel/NVIDIA - Working correctly

Contributor guide

Open the contributing guide

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

Start by reproducing the issue in BizHawk 2.11 with the Virtual Jaguar core and the supplied ROM hash, then compare RetroAchievements behavior with BizHawk 2.10. Inspect the RetroAchievements View Game Info path and the Virtual Jaguar integration. Done means the page identifies “Brain Dead 13” for the supplied hash without errors.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
game-dev, tooling
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
45/100

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