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CPK Files: Framerate Info

Discussion in 'Saturn' started by tmmm, Feb 21, 2002.

  1. tmmm

    tmmm New Member


    I've written a program that can play CPK files from a Sega Saturn CD-ROM. I only have 1 issue remaining: I can't get the framerate just right. I've checked out the CPK2AVI program that everyone seems to use and, maybe it's just me, but that program doesn't seem to get the framerate correct either. The author seems to have come to the same incorrect conclusions about the file format that I did.

    Anyway, I thought I would ask for a little help on this forum:

    1) Does anyone know how the framerate of a CPK file actually works?

    2) Can anyone provide me with the *titles* (not asking for ISOs here) of Sega Saturn games known to have CPK files on them? This way, I might be able to hunt down more sample media at the used video game shops. The games I have and have already tested include Myst and Panzer Dragoon I & II. I also have Nights Into Dreams which has some CPK files, but is that game an XA CD-ROM or something? The CPK files are reported as being 0 length. Any way to get those off of the CD?

    Thanks, -Mike M.
  2. MasterAkumaMatata

    MasterAkumaMatata Staff Member

    1) Nope, sorry.

    2) I believe that NiGHTS does have 2 data tracks (mode1 and mode2); have you tried using IsoBuster to extract them from the CD?
  3. tmmm

    tmmm New Member

    Hi MasterAkumaMatata,

    Thanks for the tip; IsoBuster worked famously. I was able to extract the CPK files from Nights Into Dreams. Now I feel like I'm back at square one. None of these movies work with my player. Maybe one day I'll figure out the framerate.

    Do you know of any other Saturn titles that have CPK files?

    Thanks for your help...
  4. tmmm

    tmmm New Member


    Scratch that last message: I can tell that IsoBuster didn't properly extract the CPK files from the disk. On some of the files, I get 2048 bytes of valid data, followed by 2048 bytes of zeros and a few FF bytes, then 2048 bytes of the next .ADP file on the disk, then more zeros and FFs. Another file looks mostly correct, save for the periodic runs of 07s.

    Any tips? Thanks...
  5. MasterAkumaMatata

    MasterAkumaMatata Staff Member

    There are plenty of Saturn titles that have CPK files. To list a few:
    • Dark Savior
    • Deep Fear
    • MegaMan X4
    • Phantasy Star Collection
    • Radiant Silvergun
    • Shining Force III
    • Shining the Holy Ark
    • Street Fighter Alpha 2
    Trying getting sample CPK files from non dual mode games.
  6. CyberWarriorX

    CyberWarriorX New Member

    tmmm, you may want to look at acpk2avi's source code. Just search for it using google, etc.

    As for a list of games, i'll split my list between the six 'known' versions: 1.01(?), 1.04(?), 1.06(?), 1.07(1995?), 1.08(1996-1998), 1.09(1997 onwards)

    (all games are jap unless stated otherwise)



    Pretty Fighter X



    Magic Knight Rayearth(US/JAP)

    Terra Phantastica



    Final Fight Revenge

    Game Ware Vol. 4

    Ogre Battle



    Devil Summoner



    Arcana Strikes

    Dragon Force(US)

    Funky Fantasy

    Langrisser: DE

    Langrisser III

    Lunar: Silver Star Story


    Sakura Taisen

    Shining the Holy Ark



    Bomberman Wars

    Eve: The Lost One

    Langrisser V

    Magic School Lunar

    Phantasy Star Collection

    Radiant Silvergun

    Shining Force III S1(US)

    Shining Force III S2

    Shining Force III S3

    Shining Force III Premium Disc

    There may or may not have been some significant file format changes between the revisions, so keep that in mind.

    Cyber Warrior X
  7. E Nice

    E Nice New Member

    These games all have cpk files too

    Alien Trilogy

    Asuka 120% Burning Fest. Limited - Japanese

    Battle Arena Toshinden Remix

    Battle Arena Toshinden URA

    Cebu Island '96 - Japanese


    Cyber Speedway

    D-Xhird - Japanese

    Guardian Heroes

    Girls in Motion Vol.1 - Japanese

    Iron Storm

    Machine Head

    My Best Friends - Japanese

    Pacific Theater of Operations II

    Panzer Dragoon 1

    Phantasm - Japanese

    Resident Evil - (several clips in one file)

    Rise 2 Resurrection


    Saturn Bomberman

    Street Fighter The Movie

    Tenjou Shion - Japanese

    Tokyo Shadow - Japanese

    Virtua Photostudio - Japanese

    Virtual Open Tennis

    WWF In Your House

    The Yakyuuken Special - Japanese

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