TASEmulators / TASEmulators/BizHawk

[Atari2600Hawk] Donkey Kong Junior incorrect X positioning when starting.

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Core: Atari2600Hawk Repro: Affects 2.10 Repro: Affects 2.3/2.3.1/2.3.2 Repro: Regression from 2.3.1
Dominant language
C#
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Description

Information found on this submission: https://tasvideos.org/9850S

Found out this regression stems from BizHawk 2.3.2/2.3.3... and that's all I know.
(Yes, writing two versions cause I don't have 2.3.2 downloaded and the issue doesn't exist in 2.3.1, but does 2.3.3, and looking at the release history implies it's more of a 2.3.3 issue, and I can't be bothered validating it atm.)

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 Donkey Kong Junior in the Atari2600Hawk core on BizHawk 2.3.1 and 2.3.3, using the TASVideos submission as the reference case. Trace the startup positioning behavior to identify the regression, then verify that the initial X position matches the expected behavior without affecting other versions.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
game-dev
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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