Question about DSP1

Discussion in '3DS - Homebrew Development and Emulators' started by fenderjaguar, Jul 14, 2017.

  1. fenderjaguar
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    fenderjaguar GBAtemp Regular

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    I have modded various 3DS/2DS systems now, some of them for other people. When I modded someones 2DS, I remember being told by the guide to use DSP1, then delete the .cia.

    I haven't used this with any of the other 3DS I've modded, including my own. Should I run this program? I don't really understand what it does, can someone help me? Do I need it, or is it optional? Is it just for using sound on the homebrew launcher or something?
     
  2. Joom

    Joom  ❤❤❤

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    With newer versions of Luma it's not necessary to dump the DSP anymore. It's used to have sound in homebrew applications.
     
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  3. zoogie

    zoogie simple pimp tool

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    3dsx homebrew never needed a dsp dump.
    CIA homebrew still does, the newest luma does not change that.
    There's a reason DSP1 is still in the Guide.
    It dumps the dsp firmware to sd:/3ds/dspfirm.cdc so you can have sound in cia homebrews like freeshop (which is cia only btw).
    It will self delete for convenience if you press B. Very easy and quick process.
    You can find it in the FBI --> titleDB homebrew database so you don't even need to take out your sd card.
     
    Last edited by zoogie, Jul 14, 2017
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  4. Joom

    Joom  ❤❤❤

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    @zoogie, sorry for assuming, but what does this do then?
     
  5. zoogie

    zoogie simple pimp tool

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    That allows you to run a patched dsp firm I assume. That doesn't mean one isn't still required though.

    You would need to ask @TuxSH what the patch's use case might be. I'm really not sure.
     
    Last edited by zoogie, Jul 15, 2017
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  6. Quantumcat

    Quantumcat Dead and alive

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    No it isn't. There's a 3dsx file available as well.
     
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  7. Joom

    Joom  ❤❤❤

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    I wonder if it's possible to write a third-party DSP and this allows one to use it. This would mean that a legally distributable DSP firmware could be packaged with homebrew. I'm just speculating though.
     
  8. zoogie

    zoogie simple pimp tool

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    That would be possible if someone takes the time to do it.
     
  9. JerryShaw

    JerryShaw GBAtemp Regular

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    Anyone knows which HB apps need to use DSP firm? For example: freeshop , FBI? Or anyone has a list of them?