Need help with BIOs files for CIA emulators

Discussion in '3DS - Homebrew Development and Emulators' started by NANASHI89, Jan 16, 2017.

  1. NANASHI89
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    NANASHI89 GBAtemp Advanced Maniac

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    May 3, 2012
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    Need help on where to put BIOs on the SD card for the following emulators:

    gpSP
    Nestopia
    FCEUmm
    Gambatte
    Genesis Plus GX
    Mednafen PC Engine

    Also need help on what to rename them.


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  2. ScarletDreamz

    ScarletDreamz [Debug Mode]

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    None of them use bios? O.o except for GpSP maybe.
     
  3. NANASHI89
    OP

    NANASHI89 GBAtemp Advanced Maniac

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    Really? Every time I try to run the ROMs on any of those emulators, I get sent back to the 3DS main menu....


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  4. ScarletDreamz

    ScarletDreamz [Debug Mode]

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    Which version of the emulators are you using? they can use bios, but as far as i know they are not necessary.
    Try the Stable Build, and check if that works better for you.
     
  5. NANASHI89
    OP

    NANASHI89 GBAtemp Advanced Maniac

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    The ones downloaded from Wolvan's Homebr3w.

    Where can I download the stable builds in CIA format?


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  6. ScarletDreamz

    ScarletDreamz [Debug Mode]

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    Stable builds can be found here:
    [Versions 1.3.6 and 1.4.0]
    https://buildbot.libretro.com/stable/1.3.6/nintendo/3ds/
    and here
    https://buildbot.libretro.com/stable/1.4.0/nintendo/3ds/


    Nightly builds are here: https://buildbot.libretro.com/nightly/nintendo/3ds/

    and some info about the bios:

    gpSP
    gpSP requires the following BIOS image file for operation:

    gba_bios.bin (Game Boy Advance Image)


    Nestopia
    Nestopia requires the following BIOS image files for operation:

    NstDatabase.xml (NES Database)
    DISKSYS.ROM (Famicom Disk System BIOS)

    FCEUmm
    FCEUmm requires a real BIOS for Famicom Disk System emulation to work.

    disksys.rom

    Gambatte
    Gambatte does not support using BIOS image files.

    Genesis Plus GX
    Genesis Plus GX supports usage of actual BIOS image files rather than emulating them. Only Sega CD/Mega CD emulation requires a real BIOS to work. It is recommended to use a BIOS from a Model 1 system, but other are expected to work too.

    bios_CD_E.bin (MegaCD EU BIOS)
    bios_CD_U.bin (SegaCD US BIOS)
    bios_CD_J.bin (MegaCD JP BIOS)
    bios_E.sms (MasterSystem EU BIOS)
    bios_U.sms (MasterSystem US BIOS)
    bios_J.sms (MasterSystem JP BIOS)
    bios.gg (GameGear BIOS)
    sk.bin (Sonic & Knuckles (2 MiB) ROM)
    sk2chip.bin (Sonic & Knuckles UPMEM (256 KiB) ROM)
    areplay.bin (Action Replay (Pro) ROM)
    ggenie.bin (Game Genie ROM)
     
    Last edited by ScarletDreamz, Jan 16, 2017
    elBenyo likes this.
  7. souler92

    souler92 GBAtemp Fan

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    i guess direct linking to the files is a no go here, just google the needed bios files, they are easily found
     
  8. Joom

    Joom  ❤❤❤

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  9. NANASHI89
    OP

    NANASHI89 GBAtemp Advanced Maniac

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    May 3, 2012
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    Thx! What folder do I put the BIOs in?
     
  10. ScarletDreamz

    ScarletDreamz [Debug Mode]

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    System directory.
     
  11. NANASHI89
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    NANASHI89 GBAtemp Advanced Maniac

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    May 3, 2012
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    system directory is the "system" folder in the "cores" folder, right? Not one of those stabilized emulators 1.4.0 worked.


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  12. ScarletDreamz

    ScarletDreamz [Debug Mode]

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    Personally i dont use 1.4.0, i use 1.3.6, and for emulators, depends on the systme, for Nes emulation i normally :
    GameYob (GB/GBC Emulator)
    Mednafen NGP (RetroArch Neo Geo Pocket Color Emulator)
    and Picodrive (RetroArch Sega Genesis-Master System Emulator).

    as for Snes i use "Snes9x for O3DS" its what its called, but does work on 3ds.

    Give a shot to those i mentiones on 1.3.6 release.
     
  13. thisisallowed

    thisisallowed 中国御宅族

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    Oct 8, 2015
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    Jinan, Shandong
    It's actually possible to dump the GBA bios from the 3DS (and hexediting 1 value)
     
  14. ScarletDreamz

    ScarletDreamz [Debug Mode]

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    Dont complicate things lolz, gbabios its one of the fastest to find.
     
  15. TimX24968B

    TimX24968B "That guy"

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    Oct 28, 2015
    United States
    Nowhere
    how is genesis plus GX VS picodrive on O3ds?
     
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