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Thread: Can I play Sonic CD on Gens?

  1. #1

    Default Can I play Sonic CD on Gens?

    I recently rebought Sonic CD because I threw the old one out because it was too scratched to run. However, Sonic CD won't run because my computer outdates the game by too much. Before I gave up hope I saw a thread here about playing Sega CD games on PC using Gens. I have Gens downloaded, but that's about it. Can someone tell me how to play Sonic CD on the Gens?

  2. #2
    Off The Scale hagbard's Avatar
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    Yes, you can

    You need to get the SegaCD / MegaCD bioses, and set them in you bios path (Options->Bios -> Sega CD bios paths). Is not allowed to post any links for stuff like thta here, please use Google.

    Once you got them, you need to install ASPI if you don't have it.

    Now, just set your drive as the one the emu will try to load: Option->Current CD drive

    You might try Kega Fusion too, it's my personal fav. Find them all here
    The legend will never die...

    riaru na sekai ni yureteru kanjyou
    maketakunai
    mou tada hashiru shikanai kono mune ni
    kikoete kuru
    kimi wa hitori jyanai

  3. #3

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    Ok, here's the problem I'm having. It will read the CD, but it won't run the game. It runs some strange SEGA music player. It IS able to play the music from the game, but I can't get it to run the actual game. I've tried it on KEGA as well and it couldn't even find the disc. I MUST play Sonic CD again! I'm running into the traditional dino2d.dll can't be found problem when I run it without the emulator, so I thought that maybe the emulator would help. Is this even possible?

    Sonic Boom
    Sonic Boom
    Sonic Boom

  4. #4
    Off The Scale hagbard's Avatar
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    You have to place the correct Bios files in their correct path, that is:

    Gens
    Options -> Bios/misc files -> Configure Sega CD Bios file ->

    USA: C:\yourpath\SegaCD BIOS V2.00 (U).bin
    Europe: C:\yourpath\MegaCD Model 1 BIOS V1.00 (October 1992) (E) [!].bin
    Japan: C:\yourpath\MegaCD Model 1 BIOS V1.00 (December 1991) (J) [!].bin

    I renamed it with GoodGen, this is the way to make sure if the bios are correct. If you don't want to do it (Unzip goodgen in your bios folder, then cmd & type "goodgen -ren"), please make sure that of place the bios correctly, if not it won't work. Also ASPI is needed.

    Btw, I don't anything about "dino2d.dll"
    Last edited by hagbard; April 16th, 2005 at 21:18.
    The legend will never die...

    riaru na sekai ni yureteru kanjyou
    maketakunai
    mou tada hashiru shikanai kono mune ni
    kikoete kuru
    kimi wa hitori jyanai

  5. #5

    Default

    Yeah I have all the BIOs in place on Gens, however when the game starts running, it just launches that music player that I mentioned before. I know that the emulator is reading the CD, but it's just launching the wrong part of it.

    Sonic Boom
    Sonic Boom
    Sonic Boom

  6. #6
    emu wizard the_ghost's Avatar
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    -Try running it from an ISO
    it runs fine on my comp
    and also make sure yor using the right bios for your region

    Some Screen Shoots
    Spoiler »


    Spoiler »


    So now you know it works
    Use ISOproducer to make an ISO (I use alcohol 120%)
    but ISOproducer is free


    [edit]You can find it >>>HERE<<<
    Last edited by the_g_host; April 16th, 2005 at 21:33.

  7. #7

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    Yeah!!! I keep getting that first screenshot, but how do you get to the game from there????!?!?!!!

    Sonic Boom
    Sonic Boom
    Sonic Boom

  8. #8

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    I also searched my entire computer for an ISO file and found nothing...

    Sonic Boom
    Sonic Boom
    Sonic Boom

  9. #9
    emu wizard the_ghost's Avatar
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    an ISO is an image of a CD that you can store on your Hard drive and use even if you dont an the actual physical disk (meaning that you dont have to pop-in yor cd everytime you want to play it)

    Use ISOproducer To make an image of your game
    If you make an ISO of your Game then the files name sould look something like
    this= SonicCD.ISO (.ISO is the file extension not the actual file name)

    After you have done that then select OPEN ROM from the emulators menu and locate the ISO image that you have made and select open

    hope that helps

    If you need help making an ISO image
    send me a PRIVATE MESSAGE
    >>>>CLICK HERE<<<<
    Last edited by the_g_host; April 16th, 2005 at 23:28.

  10. #10
    Off The Scale hagbard's Avatar
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    Did you map the Genesis start button? Probably you got, just by the case make sure if it's mapped:

    Option -> Misc -> Joypads -> Port 1 : redefine keys

    I hope this text from the readme helps you. As a side note, the best explanation often are there:

    Code:
    Before you can begin playing Sega-CD/Mega-CD games you must configure Gens
    ready for CD emulation:
    
    1. Download the Sega-CD/Mega-CD bios
    2. Set the location of your bios files through the Directories and Path
       Configuration in the options Menu.
    3. Whilst the Directories and path configuration window is still open you
       also need to set the default BRam directory for Sega-CD/Mega-CD save
       games. Click on OK to save your settings.
    4. Open the Option menu and click on the Current CD Drive option, this will
       bring up a list of available CD and DVD drives, select one of the drives
       from the list. If no drives are shown then you do not have the ASPI layer
       installed. You will need to download and install the latest ASPI drivers
       before you can play any Sega-CD/Mega-CD games.
    
    Gens is now ready for Sega-CD/Mega-CD emulation.
    
    
    * Running a Sega-CD/Mega-CD Game from a CD:
    -------------------------------------------
    
    Place your Sega-CD/Mega-CD game in the CD drive you selected above and click
    on Boot CD in the File menu, or press Ctrl + B. Gens will now initialize
    Sega-CD/Mega-CD emulation and begin reading the CD, after a few seconds the
    Sega-CD/Mega-CD bios screen should appear. If the bios screen fails to
    appear read the FAQ section for more help.
    Note that it's normal your CD tray is locked right after you clicked on
    Boot CD, this is to permit the CD swap stuff (read the Multi CD game for more
    infos) to work correctly.
    Edit: Use that Bios:

    us_scd1_9210.bin (American)
    eu_mcd1_9210.bin (European)
    jp_mcd1_9112.bin (Japanese)
    Last edited by hagbard; April 17th, 2005 at 01:00.
    The legend will never die...

    riaru na sekai ni yureteru kanjyou
    maketakunai
    mou tada hashiru shikanai kono mune ni
    kikoete kuru
    kimi wa hitori jyanai

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