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Support / Re: Gameboy saves no longer transfering to the Retrode
« Last post by Wannado on 25/Mar/2018 07:58:41 PM »
Edit: Nori posted reply #3 while I was still typing the text below. So the problem seems to be the file size and not what I had guessed.

The problem might be this: For the transfer to work, the save file that exists on the Retrode must be overwritten "in place": Open file X, overwrite data, close file X.
Your PC might instead be trying to create a new file Y, fill it with the data, close file Y, delete file X and finally rename file Y to X.

The latter does not work with the Retrode. It fails in the first step (create new file Y) because there is no free space. The Retrode has not enough memory to buffer a temporary file, and it cannot tell where else the data should go (config? save? ...).

Please try the following and tell us if it worked:
First, check that the save file on the Retrode is exactly the same size as the save file that you want to copy over.
If the sizes match, "delete" the save file on the Retrode. This will only remove the file's directory entry and mark the area where the file is mapped into the Retrode's virtual volume as free. The actual save on the cartridge will not be harmed.
Finally, copy your new save file to the Retrode. This should cause the PC to write the data to the proper area.

Warning: In the time between deleting the Retrode save file and copying the new one, do not edit anything else on the Retrode.
Support / Re: Gameboy saves no longer transfering to the Retrode
« Last post by Nori on 25/Mar/2018 07:37:24 PM »
Ok I tried with Wario Land: Mario Land 3 and it works fine. So the problem might just be Seiken Densetsu aka Final Fantasy Adventure. My cart is the US ntsc version. and the save was from the same version.

When I start a new game, save and transfer that save it gives me a 1kb file (or in properties it even says 512 bytes). Which is weird. The previous was 8kb and so it can't be transfered back. Not too sure what happened, but I don't want to waste your time for a single game. Thanks Skaman, everything you do has been so awesome for the retrode.
Support / Re: Gameboy saves no longer transfering to the Retrode
« Last post by Nori on 25/Mar/2018 07:32:27 PM »
Thanks for the reply. Actually I reverted to .20 to try, which was the one I had previously, and it's also not working. So for now I'm back in .24. Truth is I hadn't done game boy save transfers since .17 or .18 I think. Back then the save format was .srm.

I'm going to try other games than Final Fantasy Adventure just to make sure it's not just this one game.
Support / Re: Gameboy saves no longer transfering to the Retrode
« Last post by skaman on 25/Mar/2018 06:15:55 PM »
I'll look into it.  There appears to be some type of I/O bug in v0.24 that is affecting some cart types.  What is odd is that the bug is affecting cart types that had no code changes made.

What firmware version did you previously use with the GB carts?  I looked at the code and the .SAV extension has been used for GB carts since at least v0.18 (prior to when I started making firmware changes).

If you could revert to a firmware that works and identify the version, then that would help.  I'd hate to waste time looking for a bug in my code changes (v0.22, v0.23, v0.23a, v0.24) if the bug actually exists in the base firmware that I inherited.
Support / Gameboy saves no longer transfering to the Retrode (Solved!)
« Last post by Nori on 25/Mar/2018 06:57:40 AM »
I've updated to firmware v0.24 and can't seem to be able to transfer save files back. Now it seems save files use .sav instead or srm so I copy and paste the name including the extension to my existing saves but when I transfer them I get this message saying the file size is too big. The .sav I'm trying to move is 8kb.

Here's the message I get.

Has something changed in recent versions? I have the save/write setting to 0, but I tried with 1 as well to no avail.

I noticed going through my backups that some games have 8kb, and some 32kb saves from the previous versions (used to be srms). This particular game Final Fantasy Adventure is 8kb and called Seiken Densetsu for the rom and save file.

Any help would be greatly appreciated. Thank you. :)
Support / Re: Phantasy Star IV SRAM data compatibility with the Retrode2
« Last post by Nori on 25/Mar/2018 06:24:51 AM »
In the past I lost data in save 1 and 3 but 2 always worked. I haven't tried recently but maybe 1 and 2 now work.
General Discussion / Re: SEGA SMS/GG Firmware (FW v0.24)
« Last post by skaman on 24/Mar/2018 12:27:22 AM »
There appears to be a bug introduced in this firmware.  The bug is with reading SFC/SNES Nintendo Power carts using my Enhanced Cart Adapter.  Using the HWB button to cycle through a multi-game NP cart no longer returns you back to the Menu ROM with the flash map files.  It is an odd bug because I didn't touch any of the SFC/SNES code with this firmware.

I'll look for a solution.  In the meantime, anyone reading NP carts should use firmwares v0.22, v0.23, or v0.23a.

EDIT:  Looks like I'll need to disable the display of the NP Flash Map files going forward.  The Flash Map files are causing I/O issues that result in the Retrode hanging.  By disabling the Flash Map files, the multi-game cycling using the HWB button works as expected.  I'll keep the underlying Flash Map code in the firmware in the event that a solution is eventually found.
General Discussion / Re: Any chance of Super Street Fighter II Genesis?
« Last post by skaman on 23/Mar/2018 11:28:19 PM »
Finished SSF2 support.  I'll roll it into a future firmware release.  I'm contemplating an update to the current v0.24 SMS/GG firmware.  If I release a v0.24a firmware then the SSF2 fix will be in there.  Otherwise, the change will come after the upcoming Virtual Boy and PCE/TG16 firmware releases.
General Discussion / Re: PC Engine/Turbografx plug in?
« Last post by Shwing on 23/Mar/2018 07:57:36 PM »
Looks great! Can't wait to test one out.
General Discussion / Re: PC Engine/Turbografx plug in?
« Last post by skaman on 23/Mar/2018 10:04:43 AM »
My revised prototype plugin PCB with support for Street Fighter II' arrived.  The PCB adds control of /WR to enable the SF2 mapper.  SF2 support requires using my PCE/TG16 firmware which will most likely be released as FW v0.26.

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