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  1. rrifonas

    Custom Firmware for ATGames Legends Flashback

    This device is not based in Rockchip (Monkey King 3.6/RK3036 and RK3066) or Allwinner SoC, it uses a custom chip like the one running on the Atgames Atari Flashback Portable. I don't think anyone was able to access this SoC besides using a reader to extract the Flash Memory contents. Some...
  2. rrifonas

    Custom Firmware for Atgames Legends Flashback with support for Arcade games

    Look at these links: https://gbatemp.net/threads/custom-firmware-for-sega-flashback-2018.523590/page-29#post-10043056 http://atgamesgenesis.wikidot.com/wiki:hardware-genesis-flashback-2018 (this is basically a copy from all posts here, compiled in a single place)
  3. rrifonas

    AtGames Legends Flashback 2018 (FB8650) Update and SD card help

    Read again the first post in the CFW thread, there is good information there. Other posts in the same thread have the missing pieces. In summary: Only MAME 2000 games must be renamed from zip to zim. You must have the right romset to load these games, you can easily find in the Internet...
  4. rrifonas

    custom firmware for sega flashback 2018

    I will try to find my device and take a look at the emulator. I haven't touched my device in months. In the meantime, you can test an older version. This version is the closest you can get from the official Atgames firmware, only adding support for other file extensions in the "GAME" folder.
  5. rrifonas

    Custom Firmware for Atgames Legends Flashback with support for Arcade games

    If I recall correctly, it's based on FBA v0.2.97.39 (or FB Alpha 2016).
  6. rrifonas

    custom firmware for sega flashback 2018

    You don't need to apply the official firmware. CFW contains the same files as the official CFW. Please test the sega_update.img from the "Genesis" folder, that's the version I probably tested the most. Removing the SD card reverts the device to the 'original' state. Take a look at the readme...
  7. rrifonas

    custom firmware for sega flashback 2018

    Are the built-in games working? Dropping the sega_update.img in the root of the SD Card and start the console will trigger the software update. You need to create a "GAME" folder in the SD Card and drop your games in this folder (BIN format for Genesis). Important: You roms cannot have space in...
  8. rrifonas

    Custom Firmware for Atgames Legends Flashback with support for Arcade games

    Street Fighter Alpha 2 and other CPS2 games won't work in the MAME 2000 core. You can use the FBA core with the right romset. You must extract the ROM and then recompress it with 7zip to work.
  9. rrifonas

    custom firmware for sega flashback 2018

    I've fixed the link on the post https://gbatemp.net/threads/custom-firmware-for-sega-flashback-2018.523590/post-8537041
  10. rrifonas

    Custom Firmware for Atgames Legends Flashback with support for Arcade games

    Take a look at this post: https://gbatemp.net/threads/custom-firmware-for-sega-flashback-2018.523590/post-8471248 You just need to bridge the points in red and plug a normal USB cable while pressing the recovery button. You can backup the nand using a tool call rkDumper , just use an older...
  11. rrifonas

    Custom Firmware for Atgames Legends Flashback with support for Arcade games

    Black screen might be a missing BIOS file. Are you sure this game is the European version? Just in case, add all 3 BIOS files and they MUST be named bios_CD_E.bin, bios_CD_U.bin and bios_CD_J.bin. The changes in the CUE file are completely wrong. You only need to remove the space in the first...
  12. rrifonas

    Custom Firmware for Atgames Legends Flashback with support for Arcade games

    BIOS files - a simple Google search will point you to the right files. archive org also has the files. About the games. CUE is a text file pointing to the BIN file and how to load the CD Audio content, you can open it in Notepad to understand what's inside. If you rename the BIN file, the CUE...
  13. rrifonas

    Mortal Kombat 1 & 2 (Game Boy): Is there a way I can split the game ROMs from the main ROM?

    You might be able to do that with a hexadecimal editor like HxD. The exact contents from Mortal Kombat are located on address range 40000-7FFFF. Mortal Kombat II is located in the range 80000-BFFFF. I'm not sure if GB roms have any kind of checksum, but these address ranges are almost exactly...
  14. rrifonas

    Custom Firmware for Atgames Legends Flashback with support for Arcade games

    I don't play with Atgames devices since 2020 (and the console is buried in some closet) but I might recall some of the specifics. First, I assume you have a Legends Flashback 2018 (the one with 50 games) and you applied the firmware from the first post. If you have the Legends Flashback 2019...
  15. rrifonas

    custom firmware for sega flashback 2018

    That's interesting, it shouldn't cause a massive slowdown as I don't think there are significant changes in Genesis Plus GX for some time. I remember building the core by myself when I was still working on this device and I haven't had any performance issue. I've tested the latest version of...
  16. rrifonas

    Custom Firmware for Atgames Legends Flashback with support for Arcade games

    I can't help, I didn't follow this mod closely.
  17. rrifonas

    custom firmware for sega flashback 2018

    Extensions are not meaningless for some cores as they load different modules based on it. Genesis cores are typical as they need to load different modules or mappers for Genesis, SMS, GG, CD... Renaming a SMS game to .BIN will cause the game to attempt loading as a Genesis game and it won't...
  18. rrifonas

    custom firmware for sega flashback 2018

    That's exactly what you understood. The initial goal was to 'unlock' the SD Card to load games. You only needed a single file in the right place to unlock the feature. Atgames eventually released an update to enable it, and later released an update to the emulator. If you only want to run...
  19. rrifonas

    custom firmware for sega flashback 2018

    There is no AtGames firmware with 32x support. The original firmware runs Genesis Plus GX, which supports Genesis, Master System and Game Gear games. There is a custom firmware running Picodrive, which supports 32x games but breaks Game Gear support. GG support was added to Picodrive much later...
  20. rrifonas

    custom firmware for sega flashback 2018

    Some instructions I wrote 3 years ago: This is the last thing I can do to help you. If you are not feeling confident with the instructions on this thread, my suggestion is to just leave the device as it is, or just install my last custom firmware available for this model. The CFW copies all...
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