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Found 10 results

  1. I am looking for good info on hacking the C64 DTV into a proper working Commodore 64 system. Ten or more years later, a lot of the old links with necessary diagrams, firmware and instructions are dead. I have owned the original joystick model for years and recently found a Hummer Offroad plug and play game in a local thrift. The Hummer game seems like a good candidate to modify, as the game-play itself isn't great and I seem to remember it being a revised version of the original Jeri Ellsworth design. What I am wanting to do, at minimum, is to solder on a ps/2 keyboard port and a serial port to use with a real 1541 floppy drive.
  2. I did some hacking yesterday and was able to package my own custom firmware in order to get SD card roms and box art fully integrated into the main menu screen. See anything interesting? I am also able to remove or suppress any of the built-in ROMs that I might not want. I did a simple test of suppressing the non-original version of Frogger that ships with the console. Now I can't take all of the credit. I mean, I did do a lot of hacking, and I did use a bunch of arcane Linux tools and commands to unpack, customize and re-pack this firmware. But I'm sure to nobody's surprise it turns out that the Atari Flashback 9 and the AtGames Sega Genesis Flashback 2018 are virtually the same hardware and system. They just run different emulators and have different roms and creative content for menus. So people have already been hacking that system and already found this same approach. I had already unpacked and was poking around the official firmware image and thinking about my options when I stumbled across this thread: https://gbatemp.net/threads/custom-firmware-for-sega-flashback-2018.523590/page-5 I followed the whole thread, and from reading it I "reverse engineered" what they were doing. These guys came up with an ingenious approach, so I am simply following their lead for the Atari Flashback 9. Basically it works like this: 1. There is a /rom NAND flash partition that contains all of the built-in .a26 roms, box art, a few sound files and the all-games.ini file which configures the menu items. 2. The new firmware I developed inserts a script that unmounts the /rom partition and re-mounts it to a /rom folder on the SD card. This is driven by the presence of a control file on the SD card. Delete the control file or remove the SD card and the unit will simply mount the internal /rom partition and as per normal. So not permanent change. 3. The latest official firmware included the entire /rom partition contents. it's possible to dump the NAND flash from the device, but it wasn't necessary as I was able to extract it from the official firmware. 4. I copied the extract /rom partition contents to the /rom folder on my SD card. 5. Now I can add custom .a26 rom files and corresponding box art and then add the necessary entries to the all-games.ini file, which will populate the menu item and descriptive info page. So in short I am "hiding" the internal /rom partition and loading all roms, box art and rom config file from the SD card. In that Sega thread somebody also started to build a nice GUI tool to manage the somewhat daunting task of editing the .ini file for all the new game rom entries. It's something I will probably be looking to borrow/steal/copy for the Atari Flashback (I'm a software developer by trade). It would also be cool if the community could somehow edit and contribute all these ini file entries and maybe box art to a common repository. I was originally poking around looking at the menu and emulator binaries that are included in the official firmware, seeing if there was anything interesting I could learn or modify with a hex editor. I also had in mind to do some reverse engineering. In theory I could flash the device to run a fully custom UI and/or emulator, although there are some tight limitation in the NAND partition sizes. Let's not get carried away or get ahead of ourselves yet. I think I will get another FB9 to do some more hacking, so I don't accidentally bork my working unit. Also the regular non-Gold FB 9 HD would need a slightly different firmware to retains its UI. I'm going to look at making a leaner CFW that doesn't redistribute roms, but I could maybe post something in a few days if there is interest.
  3. Here's a custom firmware for the AtGames Legends Flashback you might enjoy. BurgerTime, Mappy, Street Fighter, Dig Dug, and their friends not enough for you? Here's the answer -- update your machine so it can load other files from the SD card, without losing the onboard games. 1. Back up your settings or save games first if you care about them. 2. Unzip this file and put it at the root of your SD card to perform the update. It will unpack to a 4.3MB disk image file named "arcade_update.img" arcade_update.img.zip 3. Power on, follow the onscreen prompts. Leave the machine on while updating (you only need to run it once), turn it off when done. 4. On your SD card, remove the update file and make a folder called GAME in the root. Put your files in there. No spaces in filenames. 5. GAME ON this message has been brought to you by the firmware fairy
  4. So here is the release of the RetroN 77 Community Build Image. This is a firmware replacement image for the RetroN 77 intended to be written (using an appropriate tool, not included) to a microSD card to be used with the Retron 77. What it does do: Brings a rather large quality of life update to users of the Retron 77, especially those that intend to run roms from the microSD card. What it does not do: Fix any existing controller, dumping or compatibility issues (other than those fixed by bringing the version of Stella being used to 3.9.3) What it looks like: Where to get it: Here If you are unfamiliar with Dropbox, look in the upper right corner for the Download dropdown, and select Direct Download to download the zip image package. How to use it: Read the included README.rtf - it contains important information you should know. As mentioned the included image (sdcard.remo.20181120-1353CB.img) must be written (as an image) directly to your microSD card - this does not mean copy the image as a file to the card, it means use an imaging tool such as USB Image Tool or Win32 Disk Imager or Etcher Caution is advised here, if you do not know what you are doing you may wind up wiping out your computers system (or other) drives. DO NOT DO THAT. Ask someone for help if you aren't sure what you are doing. Once the image is appropriately on the microSD simply boot the RetroN 77 and you will immediately notice a difference. The RetroN 77 will no longer boot to the Hyperkin UI, but will boot directly to Stella. In Stella you can then browse through your roms using Stella's launcher/rom selection UI. This of course means you are free to use subdirectories and have a much saner rom management/selection experience. I've changed the bindings to allow page up/down with the joystick here as well. Pressing Fry here will move you one directory upwards. Pressing the Fry button while a rom is running will cause Stella to exit to its launcher/rom selection UI - so now you can play multiple roms without having to switch the darn thing on and off physically. Plugging in a cart to run it functions normally. Pressing the Fry button while you are using a cart will exit to Stella's launcher/rom selection UI. Inserting/removing a cart will restart Stella. Some very important thanks: A truly massive thanks to stephena for kindly lending me his time so that I was able to achieve my initial goals without inelegantly hacking into Stella itself, and then for taking even more time to make the wonderful Stella specific changes to the stella3-r77 branch for this build. What you see when you utilize this image simply would not have been possible without his talent and generosity. And of course this includes thanks to him as always for Stella itself : ) Thanks to Thomas Jentzsch for his testing, input, discussion and kindly giving permission to include his awesome titles in this distribution (yay!) , and to Atari Pixel for his work and for being a great partner in this project. Additional thanks to fellow AA members Sneakyturtleegg, gorfcadet, iesposta, ColecoJoe for image testing and feedback. Note this image comes with no warranties expressed or implied, and is not supported by anyone. This means you are using this image entirely at your own risk, and that you fully accept that responsibility.
  5. I'm pleased to announce the release of firmware version 3.02 for the Ultimate 1MB, Incognito, 1088XEL/XLD and SIDE/SIDE2. Since the update's primary purpose is to correct issues present in the version 3.00 and earlier released, it is highly recommended for all users. Please head over to the firmware page of my website to download the updates: https://atari8.co.uk/firmware/ New Features (over version 2.01) Include: Number of BIOS configuration profiles increased from three to four Massively faster and more powerful loader search facility Loader’s built-in FAT DOS now supports subdirectories Loader now remembers the last accessed FAT folder Loader scripts may include paths Loader can now open the location of any already mounted image Usability improvements to the loader and BIOS setup menu Optional synthetic ‘IO sound’ with ATRs and hard disk partitions Improved loader compatibility Auto-booting banked cartridge conversions on SIDE/SIDE2 Bug Fixes For users who previously updated to version 3.00 in July, the following fixes/changes have been implemented: Loader Fixed: Unnamed FAT entries missing from partition list Fixed: Selected entry not consistently tracked during search Fixed: SIDE2 displayed as 'SIDE1' in stand-alone loader's device menu Fixed: Logged directory cluster number corrupted after MAP file processing Changed: Boot drive override (to D1:) now issued on restart if a disk image exists on drive 1 (instead of immediately after mount operation) Changed: No boot drive override issued when 'Boot SpartaDOS X' is selected (allows easy booting from CONFIG.SYS drive after mounting ATRs) BIOS Changed: message and menu item wording Changed: progress bar code rewritten for brevity Added: L+RESET starts loader if SELECT+RESET coldstart hotkey is enabled PBI BIOS Fixed: SIO status command now reliably returns enhanced density bit in first byte (DVSTAT) for 130K ATRs Fixed: Dummy format command now returns error if enhanced density format attempted on single density (90K) ATR Changed: Boot drive override clears after first use Changed: SIO status command for device $20 now returns complement of controller error register in second byte (as per device $3x) Feedback If anyone notices any screw-ups, please let me know directly or via this thread. I sat on this update for several days purely because changing just one byte of code in the firmware necessitates the complete re-assembly of a many ROMs and ATR images, which is repetitive and even excruciating process, especially when one notices a bug while demoing the software on video. As usual: please use this thread to report your experiences, both positive and otherwise. Videos As mentioned above, I've made a couple of videos which attempt to demonstrate some of the more useful features of the SIDE Loader, both stand-alone and when used in conjunction with Ultimate 1MB. The same methodologies apply by and large to Incognito and the 1088XEL/XLD. I'll be making more of these videos, since there's still more to cover regarding advanced usage.
  6. I was hoping to find some information about if the Atari Flashback 9 firmware is able to be modded to use something like the Genesis Game Manager. I can't seem to find any information about the Atari FB9, only info about the 2018 Genesis HD. Anybody more knowledgeable than myself able to shed some light on the matter?
  7. Hi all, As of today, I have put all files related to my snes2joy project on github. https://github.com/ivop/snes2joy It contains: * design documents * hardware schematic * gerber files * firmware source code and pre-compiled .hex file * native software to test, incl. source * step by step build photos * freecad and .obj files of 3D printable enclosure Everything is free to use (0-Clause BSD License), so if anybody wants to make a batch of them and sell them, be my guest. Would be nice if you send me one though But no obligations of course. That's what 0BSD means. Regards, Ivo Edit: to clarify, this means I won't be doing a run myself.
  8. There is a new firmware available for the F18A, V1.6. It fixes a subtle bug related to sprites and includes many new features that I hope will be utilized. If you have an F18A in your 99/4A there is a in-system software update available (requires a CF7/nanoPEB or disk system that can handle about 250K of files). I posted the full details in the F18A Resource thread here: http://atariage.com/forums/topic/207586-f18a-programming-info-and-resources/page-12?do=findComment&comment=3226312
  9. Can someone please help me with my new Harmony Encore? I just bought this device and it came flashed with the NTSC 1.06 firmware, I am from the UK so I want to put the latest PAL 1.06 firmware on it the problem is it does not seem to exist and I don’t understand where to get it from, assuming it even exists. The addendum that comes with the Encore manual states… “Also, we don’t recommend using BIOS versions older than 1.06.” So what do I do? use 1.05? or wait till PAL 1.06 comes out? I have tried emailing Fred with this question but I am not getting any reply from him so any help this community may be able to offer will be appreciated. Many thanks.
  10. Hi there, I have had in the Eighties a special firmware (a patched original) for the 1050. When disks are formatted with these firmware, all disks (single and medium density) were read more faster on any 1050 without trackbuffer (e.g. w/o speedy or happy etc.) than normal. If I remember right, the "trick" was a new sector skew in the format tables. Does anybody have these firmware? If so, please upload. Thanks. Regards, Juergen
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