libretro / libretro/RetroArch

Samsung S-Pen doesn't work properly

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#19,140 0 comments 0 reactions 0 assignees View on GitHub

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Dominant language
C
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Description

Is there an existing issue for this?
  • This is a bug in RetroArch frontend
  • I have searched the existing issues
Description

Samsung S-Pen doesn't work properly with all Nintendo DS cores, it can't perform touch events on the touch screen, but the hover events accepted, I think that's not the thing supposed to happen.

Expected behavior

No response

Steps to reproduce the bug
  1. Device: Samsung S26 Ultra
  2. Load any NDS core and game rom
  3. Touch the bottom screen with the S-Pen
Version/Commit

1.22.2

Bisect Results

No response

Present in the nightly version

I don't know

Platform & operating system

Android 16

Affected Cores

DeSmuME 2015, DeSmuME, melonDS, NooDS

Environment information

No response

Relevant log output

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 on Android 16 with a Samsung S26 Ultra, loading an NDS game through DeSmuME 2015, DeSmuME, melonDS, and NooDS. Compare S-Pen touch and hover behavior; done means touch events reach the Nintendo DS bottom screen across the affected cores.

Written by the indexing model from the issue text.

Assessment

Tech stack
android, c
Domain
mobile-dev
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
45/100

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