TASEmulators / TASEmulators/BizHawk
mGBA system bus: I/O registers, VRAM, OAM, GamePak SRAM cannot be written manually through system bus
Open
Nobody has claimed this yet.
Core: mGBA
Repro: Fixed/added in upstream stable
Repro: Patch pending
- Dominant language
- C#
- Stars
- 2.8k
- Forks
- 468
- PR merge metrics
- No merged PRs in 30d
Description
At http://problemkaputt.de/gbatek-gba-memory-map.htm these mentioned memory locations are suppossed to be read/write, but in mGBA you cannot poke them manually, just as if these memory locations were completely read-only.
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 by reproducing the manual-write behavior through the mGBA system bus, using the GBA memory map linked in the issue as the reference. Check writes to I/O registers, VRAM, OAM, and GamePak SRAM; done means these regions accept the writes that the memory map identifies as read/write.
Written by the indexing model from the issue text.
Assessment
- Domain
- backend
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100