TASEmulators / TASEmulators/BizHawk
NESHawk: PPU viewer mid-frame palette change inconsistency
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- Dominant language
- C#
- Stars
- 2.8k
- Forks
- 468
- PR merge metrics
- No merged PRs in 30d
Description
PPU viewer can read data mid-frame, but the text content in the Details box always reads from scanline 0, even if the scanline number is different (visual display is unaffected). This causes wrong data to be read. This can be easily reproduced with this test ROM.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start at the PPU viewer's Details box and trace how it reads data for the selected scanline. Reproduce the issue with the linked test ROM, then verify that changing the scanline makes the Details text reflect that scanline while the visual display remains unaffected.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- csharp
- Domain
- computer-graphics, devtools
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 65/100