Demo discs

Discussion in 'General Sega Discussion' started by Black Squirrel, Aug 31, 2021.

  1. Black Squirrel

    Black Squirrel

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    (I don't imagine there'll be many takers, but I didn't want to derail the SNES discussion in the general topic)

    Sega Retro has pretty much every Sega-related game documented (bar some really obscure arcade machines I can barely prove exist(ed)), but we're not very good at game demos. We've had a work-in-progress list for years, and I've started tackling a few properly in recent days.

    Demos accounted for:
    List of Mega-CD demo discs
    List of Saturn demo discs
    List of Dreamcast demo discs

    Demos not done (yet):
    Sega Retro:Todo/Demos
    (only tackling Mega-CD, Saturn and Dreamcast today but obviously they all need doing)


    I'm running into problems with the discs that are left:

    a) Many haven't been dumped, or are hiding on the internet
    b) Nobody seems to know what the contents are. Most of the Saturn's library never left Japan, so knowledge is generally thin on the ground
    c) I don't know what to name half of these - those Mega Power and Sega Pro CD discs in particular need their own pages, but I don't know if "Mickey Mania (Mega-CD demo)" is sufficient (or maybe it is?).

    I also don't know where some of these discs came from, and while I'm pretty sure I've verified all of these exist in the past, we haven't got scans and many photos are crap. And for the most part, the pages that do exist are little more than "this demo is a thing".

    Also note that some of the discs on that page... aren't demos at all. Other sites grouped them as such, but I don't know what a "Seaman Esa Disc" or a "Sabai Net" is. Do you?
     
  2. Black Squirrel

    Black Squirrel

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    A treasure hunt:

    - Dragon Ball Z Idainaru Dragon Ball Densetsu Taikenban (ドラゴンボールZ 偉大なるドラゴンボール伝説 体験版)
    - Harukaze Sentai V-Force Demo Ban (はるかぜ戦隊 Vフォース デモ版) 610-6564
    - Lunar 2 Eternal Blue Hibaihin Auto Demo (ルナ2 エターナルブルー 非売品 オートデモ)
    - Moon Cradle Taikenban (ムーンクレイドル 体験版)
    - Pocket Fighter Taikenban (ポケットファイター 体験版)
    - Real Bout Garou Densetsu Special Sample (リアルバウト餓狼伝説スペシャル サンプル)
    - Samurai Spirits Zankurou Musouken Sample (サムライスピリッツ 斬紅郎無双剣 SAMPLE)
    - Tekkyuu True Pinball Demo (鉄球 トゥルー・ピンボール デモ) 610-6222
    - Virtuacall S Taikenban (バーチャコールS 体験版) 610-7020
    - Yanoman Jigsaw Puzzle Catalog Vol. 1 (YANOMAN ジグソーパズルカタログ Vol.1)

    These are Japanese Sega Saturn demo discs that Satakore says exists. I've never been able to find evidence - no photographs, no ROM dumps, no official records. Given some were listed with product codes, I'd imagine they weren't made up, but I can't prove it either way.
     
  3. biggestsonicfan

    biggestsonicfan

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    What is this thing categorized as?

     
  4. Black Squirrel

    Black Squirrel

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  5. Black Squirrel

    Black Squirrel

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    Sega had a few lines of "official" demo discs for the Saturn. In Japan it was Flash Sega Saturn, and in Europe it was Sega Flash. North America wasn't organised enough to have regular demos but there's still a handful out there.

    And they all (eventually) used the same front ends:







    (there's an earlier one too but getting matching footage from YouTube is trickier)


    This wasn't the case with the Dreamcast, nor most other platforms. Not that it's particularly surprising, but I don't think many people will be downloading gigabytes of demo discs to see this for themselves.

    It would be nice to at least know who made the music, since as these discs were often bundled with consoles, it'll resonate quite a bit with Saturn owners.
     
  6. Pirate Dragon

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    I really need to work out the codes Sega used on the discs. For example this one has three different codes. I think "610" is the product code for demos etc, seems to have come into use with Saturn, continued on Dreamcast.
     
  7. Black Squirrel

    Black Squirrel

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    I was hesitant to use the 610 codes because I don't know if it signifies the game itself, or the CD (label).

    [​IMG]
    They're used on some Mega-Tech and ST-V carts and this GD-ROM unit. Sense makes no
     
  8. Pirate Dragon

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    That complicates things .... more research required.
     
  9. Black Squirrel

    Black Squirrel

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    https://www.satakore.com/sega-saturn-demo,,ST-14302G,,Saturn-Bomberman-Sample-Disc-Hibaihin-JPN.html
    http://redump.org/disc/62458/
    Saturn Bomberman Sample Disc

    So, a "demo" or a "Sample Disc"? My assumption, because I speak English, is that these terms were interchangable - that it's "here's a bit of a game to sample, now buy the full thing". Except running what I think is the dump... well, this is the full thing, or the biggest demo disc ever made.

    I think I've been misled. And not just with this game, but others too - I suppose the clue was similar file sizes and nothing in-game explicitly saying "this is a demo version". My gut feeling is that people have come into possession of weird looking discs and they've all been treated the same, be they demos, prototypes or final versions in different clothes, and because the accessiblity of dumps makes Saturn emulation a faff, initial judgements have sat unchallenged for 15 years.


    There have been issues with people mistaking "sample" for "prototype" in the past, but then you get dumps like this:
    [​IMG]
    Street Fighter Zero 2 Taikenban (essentially "trial version") calls itself a "sample" but it has modes turned off. And yet it also has more in it than what I'd expect from a demo - every character is playable, and it doesn't kick you off after a couple of fights. But then the character selection screen is just a text-based menu, so it's clearly based on non-final code. So the disc says it's a "trial", the game says it's a "sample", but it might be a prototype? It would be handy if we knew where this actually came from - if it was only for internal use, that might explain something.

    Is the Simon Wai Sonic 2 prototype a "demo"? I mean it only has four working levels and it was "demonstrated" but it never claims to be anything other than a build of Sonic 2.

    tl;dr confused because the internet lies, and I don't know what I'm doing
     
  10. JaxTH

    JaxTH

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    Jack shit.
    When I was doing templates for Saturn games years ago I just put "Sampler Discs" on everything.
     
  11. MathUser

    MathUser

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    I remember them being called sampler discs too.
     
  12. Pirate Dragon

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    Also this late Asian MD cart label. I wonder if "610" is actually for the software on the media. I take it that GD-ROM is for Naomi, does it have a bios?
     
  13. Black Squirrel

    Black Squirrel

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    It was originally for the NAOMI but from what I understand, the same (or similar?) units were used for any system with a GD-ROM drive, so Chihiro and Triforce as well.

    Honestly the extent of my knowledge are photos from Google image search - I've never seen any Sega arcade boards in person.
     
  14. Glaber

    Glaber

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    How is the Sonic Adventure 2 Demo disk not on the dreamcast demo disk list?
     
  15. Black Squirrel

    Black Squirrel

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    Because I forgot this was a thing. Sega Retro's still playing catch-up to Sonic Retro when it comes to pre-releases.