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Support / Re: Certain Games not working
« Last post by speedyjohnny on Today at 06:58:10 AM »
I followed your instructions. I found this:

Type:    Trusted Dump
   Media Serial (1):    

AGB-B8CP-EUR

   Region:    Unknown
   Date:    2008-03-17
   Dumper:    hidden
   Affiliation:    No-Intro
   Datter:    root
   Format:    Default
   File:    
1964 - Kingdom Hearts - Chain of Memories (Europe) (En,Fr,De,Es,It).gba
     Size:    33554432
     CRC32:    772D97FB  [selected]
     MD5:    D369F791D86A969778D2C3A5278D544C
     SHA-1:    8DB73586CDB11B3795907EDEBF43228DBCD3E6B2
     Serial:    -


Which information would be the checksum? And once I verify that they do not match, how can do I fix the ROM?
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General Discussion / Re: Virtual Boy SRAM Support (FW v0.25)
« Last post by The Real Phoenix on Today at 04:06:33 AM »
Finally I can post!!!  ;D
I couldn' get the activation message.

So I made a adapter like your Skaman, but I added a HC4053 and a switch so I can change to SRAM to Hyper Fighting:
I put your name and JonY on the PCB since you are both the originals sources for this project.



It works with Red Alarm, I'm waiting a Wario Land. But I can't verify Hyper Fighting.



There's some stuff I could optimize (some traces I keep in a way I could cut them to rewire if needed).
Also for the pins, I need to find a way to copy the original spring-loaded port (someone gave me some pics of the actual VB port.
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Support / Re: Certain Games not working
« Last post by MasterOfPuppets on 20/Jan/2019 04:08:25 PM »
Select a system from the drop down, click search, type the game name and press enter, then compare your checksum to theirs.
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Support / Re: Trouble dumping Star Fox 64
« Last post by HamsterExAstris on 20/Jan/2019 02:24:17 AM »
Star Fox 64 is definitely compatible - I dumped it with mine. This sounds like it's probably an issue with the cartridge itself, especially since you have other good dumps. Have you tried cleaning all of the contacts on your cartridge?

As for the firmware version: the site is out of date. You can find more info on the various subsequent firmware versions in the sticky threads in the General Discussion forum.
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Support / Trouble dumping Star Fox 64
« Last post by zcal on 19/Jan/2019 07:48:02 PM »
I'm using the Retrode 2 with the N64 plugin and have been unable to get a good dump of my Star Fox 64 cart.  Whenever I try, the ROM file weighs 12 MB, is always named "Stararararararararar.N.z64", and yields an MD5 checksum of 78a8d7b5a19953345426166fa3c9c53a.  I've tested the ROM with the Mupen64Plus core on RetroArch and it just crashes RetroArch with a segmentation fault.  I have been able to get a good dump of all of my other N64, SNES, Genesis, and Game Boy Color carts that I've tried (validated against No-Intro's checksums).

Is Star Fox 64 not compatible with the Retrode 2?

Curiously, one other thing I've noticed is that my RETRODE.CFG file reports a firmware version of .25a-beta.  According to retrode.org, the latest version of the firmware is 0.19-beta.  Where is this from-the-future version number coming from, and could it be related to my Star Fox 64 issue?
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Support / Re: Certain Games not working
« Last post by speedyjohnny on 19/Jan/2019 06:30:28 PM »
I just looked up DAT-o-MATIC on the internet. It's the first time I heard of it, actually.

Has anyone made a forum post to explain how to use it?
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General Discussion / Re: PC Engine/Turbografx plug in?
« Last post by Dadicus-Primus on 16/Jan/2019 04:35:25 PM »
Here are pics of the Plugin PCB in an aftermarket SNES shell:

Hello, long time retrode owner but new forum member here. Searched quite a bit to figure out how to back up hu cards and made my way to this thread. I was wondering if I could purchase one of the turbografx 16 plugins/adapters? I am very interested in backing up my very own hu card roms. Thanks!
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Hi, I was wondering what has occurred with the NES adapter project since Dec 2016 :)
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Support / Re: Certain Games not working
« Last post by MasterOfPuppets on 07/Jan/2019 02:10:58 AM »
I just tried Kingdom Hearts and it also came up as a 0kb file. I forced it to 32MB and the checksum matched DAT-o-MATIC. So you could use that as a workaround until someone can hopefully fix it.
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Support / Re: Certain Games not working
« Last post by ssokolow on 07/Jan/2019 01:29:23 AM »
The first thing I do in a situation like this is to soak cotton swabs in the purest alcohol I have and clean the contacts on the cartridge until the swab comes away clean.

It should say something like denatured alcohol, isopropyl alcohol, or rubbing alcohol and the ingredients should not contain anything beyond some form of alcohol, aqua (water), and a bittering/denaturing agent like denatonium benzoate. (Be wary of "rubbing compound", which will often list stuff you don't want, like camphor, in the ingredients.)

If you're having trouble finding any of those at your local pharmacy or dollar store or equivalent, and you're of age to buy liquor, you can also use the stuff intended for adding alcohol content to mixed drinks, which is known variously as "rectified spirit", "neutral spirit" or "grain alcohol". In that case, try to find the stuff that's around 95% alcohol by volume (190 proof. Alcohol purer than this will actually pull moisture from the air to reach that balance).

I'm told there are also automotive products which are just denatured alcohol, but I can't remember which ones they are.

Whatever alcohol you use, I'd never settle for anything less than 70% alcohol / 30% water by volume and the higher the concentration the better.

Next, check dat-o-matic. It'll tell you the size and MD5/SHA1/etc. hashes for a good dump, so you can tell whether it's a problem with your dump or a problem with your emulator.

For all of them, you can try looking up the correct size on dat-o-matic and then setting the "force system" and "force size" options in case it's the Retrode's detection routines that are messing up.

I just recently suggested that to someone who was having problems with an unlicensed Genesis cart and that solved the problem.

For Kingdom Hearts: Chain of Memories, there are two things that come to mind:

1. GBA ROM headers don't specify the ROM size, so the Retrode has to guess. It could be you need to set the "force size" option to whatever dat-o-matic tells you, then truncate the file to get rid of garbage bytes at the end if it's between two sizes the Retrode will dump and you had to round up.

2. There are a lot of counterfeit GBA carts out there and they don't generally play nicely with the Retrode. If you've got a tri-wing screwdriver, the easiest way to identify them is usually to open them up and discover a battery in something that dat-o-matic doesn't list as using battery-backed SRAM. (And, in such a case, the game might be gone. Counterfeit GBA carts often store the game itself in the same battery-backed SRAM as the save data in order to cut costs.)

Here's a thread (with photos) on how to identify fake GBA carts. (Note that, though there's no corresponding photo, one reply points out that some fakes say AGB-004 on the back, which is a charger, not AGB-002, which is a GBA cartridge shell.)

I have no specific experience with SMS games, so I can't offer anything beyond the general advice for Zaxxon 3D.

P.S. To complete the set, here are my links for identifying fake GB/GBC, and fake SNES cartridges. (Sorry that some of the pics on the latter one are gone. The explanations of what they were showing should still be helpful though.)
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