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Thread: Gameboy Advance

  1. #131
    EmuTalk Member
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    @Flerovium - How is nanobayadvance doing these days? I see you're updating it regularly on GitHub. Hopefully everything is going well. I'd love to see some screenshots of your progress. It's always interesting to see before and after pictures whenever you fix bugs or implement a new feature. Anyway, keep up the good work!

  2. #132
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    @Shonumi It's going pretty well so far. I'm getting closer to a decent emulation core :b Though there still are a lot of issues which I'll hopefully be able to tackle soon! Especially proper cycle-counting (including ROM prefetch) and (re-)implementing the open bus behaviour or other accuracy-related stuff such as DMA intersection. However at this state some games still do not boot at all or crash immediatly (looking at you guys, Goldensun, Classic NES... hehe )

    I just posted a small video on YouTube showing some of the progress I recently made (mostly video, audio and optimization related though). I implemented all the missing OBJ features, worked on R/S (still buggy in some cases, e.g. F-Zero), and implemented most other video features (Mosaic and R/S for bitmap modes are still missing though). Also implemented audio recently (including stereo support, amplitude resolution and clipping emulation). However the PSG channels will still need a decent amount of improvement.



    I'm quite pleased with how far I got since starting the rewrite in February. Keeping the old codebase would've been a mess and progress eventually would've completely stopped.
    I hope I'll be able to release some sort of 0.1/alpha version soon!
    Last edited by Flerovium; April 10th, 2017 at 01:08.

  3. #133
    Moderator Remote's Avatar
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    Look sweet!

  4. #134
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    I just released NanoboyAdvance 1.1! This is yet another rewrite started in early 2019 and most definitely the last iteration.
    By now it is one of the accurate GBA emulators with good timing emulation (including GamePak prefetch buffer) and accounting for many hardware quirks.
    It also passes most of the tests on the AGS aging cartridge.





    Another developer recently worked on a libretro port, which appears to be already functional (though somehow the forum doesn't allow me to link to it)
    Attached Files Attached Files
    Last edited by Flerovium; May 11th, 2020 at 02:48.

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