You need to dump these files from your Dreamcast. We will not teach how to dump or otherwise obtain those files, so please do not ask. Google is your friend. Make sure that the names of the folders and the BIOS files are correct! Just creating some random files and renaming them will obviously not work! On newer versions of reicast you can pinpoint to the folder that contains the data folder.
Some devices do not support writing to external storage. It would be a good idea to place the aforementioned folders on the internal memory of your device in order to avoid possible issues. If you want the BIOS to stop asking you to set the time on each launch you can follow these steps. You need to dump those yourself.
Again, do not ask how to dump or obtain games. Google is your friend again. Unstable optimizations off by default : This enables some optimizations that are not properly implemented yet. And we're going to show you how. Before we begin, though, it's worth pointing out that in parts of this guide you are required to jump through some potentially questionable hoops. You'll feel much better afterwards. You'll need a pretty nippy device to make the most out of this emulator.
While the developer of Reicast says a 1GHz CPU is required to run its emulator, we found that phones with quad-core processors are best suited to the 'task'. We tested the Reicast emulator on a Google Nexus 5 and Nvidia Shield , and found performance was excellent. Simply go to this page and download the emulator itself. When you open it for the first time, you'll be told that you're missing a BIOS file. Don't fret: simply move onto the next step. The "Browser" option sends you back to the reicast game browser.
The "Settings" screen allows you to enable the following settings: Unstable optimizations off by default : This enables some optimizations that are not properly implemented yet. The unfinished parts are hacked together until their implementation is finished. This makes the optimizations unstable. Turning this option ON makes things faster, but also makes the emulator more unstable.
Limit FPS on by default : This enables the internal frame limiter. Turning this ON makes reicast stop from running too fast. This is meant to be always ON and not have a configuration option. Thus, the need for this option. Widescreen mode off by default : This is a hack that makes the system output graphics on the whole screen. Some games actually work fine with it, while others show artifacts. This should be normally OFF.
If a game actually works fine with it set ON, then you might want to use it. Frameskip value 0 by default : This makes reicast skip processing and rendering some frames, in hopes of running a bit faster.
Set this option to 0 unless reicast runs really slow.
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