Download Retroarch Emulator

PX-68K is a Sharp X68000 emulator. This is a Japanese home computer from the late '80s/early '90s that was used by Capcom as devkits for their arcade games. It played host to many popular games from the likes of Namco, Konami and Capcom.

RetroArch is a very special emulator that, instead of focusing on a single console, such as Playstation or SuperNintendo, attempts to include all kinds of consoles and games, thus being able to emulate thousands of game titles to perfection.

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RetroArch is a special emulator which doesn't just focus on a single console like Playstation or SuperNintendo. Instead, it tries to include all of the different types of consoles and games, and it can perfectly emulate thousands of games from different platforms.

As if the complete catalogs of all of these video game consoles weren't enough, RetroArch Android also allows you to perfectly emulate Doom 1, Doom 2, Ultimate Doom and Final Doom. The reason is that you can't be king of the emulators without emulating Doom.

RetroArch is by far the most full-featured emulator out there. Other emulators can offer you access to the catalogs of one or two different consoles, but RetroArch can potentially emulate thousands and thousands of games.

I have the games downloaded and some work, others just sit there. I made a 2nd copy of retroarch, called the folder retroarch 2 as I have the 5200 running on my primary retroarch. Atlantis, I can boot up, hit the fire button and play the game with no problem. Frogger/Berzerk, the game boots up but I can't start a game. Every button I hit does nothing, not sure if there is a certain way to start this or not. Demon attack, I boot it up, a splash screen comes up that says demon attack and no matter what button I hit it does nothing. Ideas on how to get this to work? One thing I see could be an issue is that the emulator seems to use F4 for the start button, however I have servosticks and F4 turns it to a 4 way joystick. Not sure if this is part of my issue or not. Any help would be appreciated. I never owned an Atari computer and would love to get these games working to play and to compare to the atari 2600/5200, arcade systems.

There also can be some challenges with cartridge based Atari 800 games in that the some sources didn't have the proper headers to tell the emulator what type of cartridge was being used. Some emulators have a built in database that use a checksum to determine how to launch cart, but that isn't always foolproof (i.e., won't run). Unfortunately, there is a mish mash of images floating around and hard to tell. Usually if you see an extension with ".car" then the header should be intact should likely run fine. Similarly, if an ATR extension should run since those are floppy disk images and don't have any header issue. If extension is "rom" or "bin" then it may or may not have the right header. There are two useful tools to help with carts: Atari ROM Maker which takes BIN and ROM cartridge images and applies a header and Atari ROM Checker which just gives information as to if the file does or doesn't have header (search via Google with those names).

@MarkAmiga500 Not sure where it would pop up with the note "for use for a real Atari". But overall, there is no "Retroarch rom set". Most of those cores are based on standalone emulators like the Atari 800 emulator. The Retroarch core for this uses an older version of the Atari 800 emulator and info on the setup for Retroarch specifically is here. As noted at the RA page you have to have the appropriate BIOS file (ROM) for the Atari 5200 and Atari 800 to run games from them. Check that your BIOS files have the same exact MD5 checksums noted in the RA page. It sounds like you said this isn't the issue and if that is the case then the issue is either a setup file issue in RA (Atari 800 is not easiest to setup), or the game files are not readable to the emulator.

Game files have to be in format that Atari 800 emulator can read. Typically, it will be an xex, atx, atr, bin, or a52 (5200 cart) file. You may also see a "*.car" extension (bin files natively) on some which are Atari 800 series cartridge games with the appropriate header to tell the emulator automatically what type of cartridge setup to use. If it is a cartridge game and no header, then Atari 800 emulator will pop up asking for which "type" at boot up. If atr file then a floppy disk image and no header issues to worry about. Typically, once get into floppy and cassettes then Altirra standalone is easier to manage.

Edit: ETA Prime has an older video for the RetroPie that might be helpful. The emulator itself is the same. Starting at 7:24 is discussion on the missing OS and way to do it without direct edit to CFG file. Also gives some pointers on the emulator that may be useful as well.

My issue is the following. When I load a game in RetroArch and play it, the CPU temperature abnormally rises (up to 72C). I say "abnormally" because even when the CPU load is near 100% when not using RetroArch, the CPU temperature doesn't rise past 65C ; the CPU load is ~60% when playing on RetroArch. When playing the same games on standalone emulators, this temperature rise never happened.

Ouch. Depending on which emulator you use this thing will definitely run that hot and that is not going to be anything out of the ordinary. Remember that most emulators are single threaded and will only occupy a single core and they will hit that single core that hard (ergo on a two core system like yours, one core is at 100% (hence the 50% cpu usage, one is maxed the other is idle, youtube can do more with the second one therefore distribute the load more evenly therefore not running the cpu as hot as a whole). As there's no "RetroArch" emulator, which emulator core do you use and which games do you play (and for comparison's sake, which standalone emulators did you use before)? Do not expect wonders from this hardware, there are emulators that will make this thing crawl.

To set the controls, go to the control section of the mGBA menu and use up/down on the D-pad to highlight the control you want to change and left/right to change the button to the desired key. (you have to run the emulator first and while the emulator is running hit whatever key combo you assigned to bring up the menu).

RetroArch is a free and open-source, cross-platform frontend for emulators, game engines, video games, media players and other applications. It is the reference implementation of the libretro API,[1][2] designed to be fast, lightweight, portable and without dependencies.[3] It is licensed under the GNU GPLv3.

Wanted to resurrect such topic since I cannot get retroarch to properly work (gui starts but cannot get to work any game).

In my configuration.nix I have retroarch in my home.packages section. Additionally, I have this code as well:

After loading RetroPie 1.9.1 onto the card from scratch, I noticed the error of my ways, updated the configuration file correctly, and I am now able to exit emulators effectively and continue to play games.

Borys is right! button 6 and 7 are what worked for me 8 and 9 did not and this was with the keyboard still plugged in. I have an xbox 360 wired controller plugged into the system. Good work Borys I was trying many different things but your numbers worked perfectly with quotes around them. Set this in the retroarch.cfg and working like a champ. Now just to get another wired xbox controller to use because they are much easier to get working right out of the box.

YOU ARE A LIFE SAVER! I had to redo my retropie from scratch because I randomly got the same issue.. I accidently put the quotation marks back in and I thought I caught a bug. Removed it and now my emulators work flawlessly again :) 2351a5e196