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Type: Posts; User: Fisher

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  1. Replies
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    Yes. I still need them or a 3D model of he lid.

    Yes.
    I still need them or a 3D model of he lid.
  2. Replies
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    Fine. Since I couldn't find a way to upload the...

    Fine.
    Since I couldn't find a way to upload the file here, I'm posting the link for it on my Google Drive:
    https://drive.google.com/open?id=1YdWD_RMu-ThfiDwEzmmuYk076la9nOI8
    Hope you guys can...
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    Ok. MD5 checksum:...

    Ok.
    MD5 checksum: 466b53365cc8a4855d3b9131066d4ac6
    I don't know, it's probably a preview, a pirate copy or a bad (defective) ROM.
    I redumped them a few times and got exactly the same CRC32/md5sum....
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    I think I found a prototype

    Hello.
    Messing with some old stuff I found a board with 2 EPROMS.
    After removing and reading them, they seemed to be 2 8bit ROMS combined to form a 16bit one.
    After merging them, at 0x100h I...
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    Images of a Sonic & Knuckles lid

    Hello.

    I have this game and unfortunatelly lost the lid a long time ago.
    Since I know the only possible way to replace it would be 3D printing a new lid, I'm asking for some nice and detailed...
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    Thanks @chilled! Any complete chronological...

    Thanks @chilled!

    Any complete chronological launch list that you guys know about?
  7. Replies
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    1st Mega Drive 8MBit games

    I was thinking a little and unfourtunatelly coundn't find a definitive answer to this question:
    What were the 1st lot of 8 MBit megadrive games?
    I found some places saying that Strider was the 1st,...
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    Thanks! I'm asking it because I'm low on money...

    Thanks!
    I'm asking it because I'm low on money and I'll get my paycheck only an the end of the month.
    Since it's in pretty bad shape I think other buyers will avoid it.
    I think I'll buy it...
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    Help identify MegaDrive game

    Hello.
    I've found a cheap megadrive game online.
    The seller don't have an MD to test it.
    It has no label, but I got a picture of the board:
    14066

    If I'm seeing correctly the ROM chip has...
  10. Replies
    18
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    2,470

    I have huge doubts about this subject, here is...

    I have huge doubts about this subject, here is why:

    I've bought a 3.3v Flash repro of SunsetRiders for my SNES.
    It was played by me and the kids for 8~12h a day for 6 months.
    I them decided to...
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    AFAIK this new megadrive is based on a RED KID...

    AFAIK this new megadrive is based on a RED KID 2500.
    I've found some more details here:

    https://assemblergames.com/threads/two-fans-have-reportedly-fixed-the-atgames-genesis-audio-issues.66488/
    ...
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    Tec Toy no level shifters??

    According to this article https://db-electronics.ca/2017/07/05/the-dangers-of-3-3v-flash-in-retro-consoles/ 3 volts memory are nocive to retro consoles.
    Now accoring to this video:
    ...
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    Sure I can! I just didn't before because I...

    Sure I can!
    I just didn't before because I tought nobody ever would be interested...

    The power circuit is pretty simple, only 2 diodes and 2 resistors.
    I've drawn it by using ASCII, hope it's...
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    I've bought an NES, a MegaDrive and a SNES...

    I've bought an NES, a MegaDrive and a SNES cartridges from them, all single game, all 3.3v parts.

    In the end this partially killed my SNES (it fails the DIV 16/8 test).
    It still works and I can...
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    Also, be aware that most, if not all, repros sold...

    Also, be aware that most, if not all, repros sold in Aliexpress uses 3.3v components.
    You can have better information about what I'm talking about in this article:...
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    Finally a bit of spare time! I disassemble the...

    Finally a bit of spare time!
    I disassemble the Genie.
    Not much to see, just an ASIC, 2 ROMs the led, a resistor, the switch an electrolytic and some decopling capacitors.
    The pictures aren't that...
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    Sorry... I read quickly the thread and payed...

    Sorry...
    I read quickly the thread and payed attention mostly to the last post...
    That's probaly not the laser.
    My bad!
  18. Replies
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    Most laser units have a power adjustment near the...

    Most laser units have a power adjustment near the lens, on the optical pickup.
    When the laser gets older / worn out, you can carefully adjust it and get a little more life out of it.
    But be extra...
  19. Well, mine still have some jailbars, but they're...

    Well, mine still have some jailbars, but they're very faint, almost unoticeable, specially on dark screens.
    The MD I have done the mod is this clone:
    13960
    As you can see, there's a crystal near...
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    Thanks for the info guys. As soon as I have some...

    Thanks for the info guys.
    As soon as I have some more spare time I'll carefully remove the label and open the Genie, so I can see better what's inside.
    I'll also try to get some nice pictures,...
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    I also would like to know. It was on a lot of...

    I also would like to know.
    It was on a lot of "junk" I bought.
    Many of the boards only needed some cleaning and worked fine.
    Most of them seemed like they were "buried" for some time.
    They were...
  22. Replies
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    I know it's kind of odd question, but do you have...

    I know it's kind of odd question, but do you have any schematics of these games?
    Some pictures of the board's component and solder side could help if you don't have.
    An even better option is if...
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    Exactly. The game I tested (Sonic 3) just seemed...

    Exactly.
    The game I tested (Sonic 3) just seemed to have saved fine.
    No error messages, nothing.
    When I tried without the GG there wasn't anything new saved.

    Looks like I'll have to disassemble...
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    Game Genie save support mod

    Hello.
    A long time ago I've read that the MegaDrive's GameGenie would disable the save feature on games that suported it.
    Now, I finally could get a saving Sonic 3 and am sure that it's real.:(
    ...
  25. I have problems with jailbars because the colors...

    I have problems with jailbars because the colors seem a bit washed with them.
    It may be my TV, but I prefered to exchange them for dot crawl and have more vivid colors.
    I agree that sometimes they...
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