Recent Posts

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21
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.
22
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.
23
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.
https://i.imgur.com/iRj9UtE.jpg

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. :)
24
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.
25
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.
26
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.
27
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.
28
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.





29
General Discussion / Re: Any chance of Super Street Fighter II Genesis?
« Last post by skaman on 23/Mar/2018 02:23:56 AM »
Interesting Retrode bug.  If you read the SSF2 cart on the Retrode, at the odd addresses 0xF1-0xFF, you'll see the current bank map (repeats every 0x100 bytes).  The Retrode's Sega read code is reading the SSF2 bank registers 0xA130F1-0xA130FF instead of the ROM data.  The odd bytes at 0xF1-0xFF will be 00,01,02,03,04,05,06,07 which are the banks mapped to Banks 0-7.
30
General Discussion / Re: Virtual Boy SRAM Support
« Last post by skaman on 18/Mar/2018 07:44:40 AM »
I might change the SRAM pinout that was posted as I was asked to support Hyper Fighting.  In order to read out Hyper Fighting, I need to free up pins on the Retrode to connect the uppermost address pins on the VB.  Right now, the uppermost address pins on the Sega slot are used to control the VB SRAM.  I didn't want to use them for addressing as the Retrode uses those pins for configuring other cart types.

I'll have to do more testing to find the best pin configuration.
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