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Red Viper v1.2.0 is a Virtual Boy emulator for the Nintendo 3DS, building on previous efforts with r3Ddragon and Reality Boy. This release introduces local multiplayer, allowing two nearby 3DS systems to play Virtual Boy games together via SD card or direct download. It features a dynamic recompiler with busywait detection and a hardware-accelerated renderer for improved performance. Users can adjust the input buffer for stability, though older 3DS models may experience slowdowns. Confirmed compatible games include Mario’s Tennis multiplayer patch and Hyper Fighting, along with improved savestate loading from earlier versions.
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Red Viper v1.2.0 has been launched! This is a Virtual Boy emulator tailored for the Nintendo 3DS, continuing the work of mrdanielps on r3Ddragon, which is built upon Reality Boy / Red Dragon. The emulator employs a dynamic recompiler with busywait detection and a hardware-accelerated renderer to deliver impressive performance on the 3DS’s constrained hardware.
Red Viper Changelog:
This version brings local multiplayer functionality!
Now supports local multiplayer
Accessible directly from the main menu
Two nearby 3DS devices can play Virtual Boy games simultaneously
Games can be loaded from the SD card or downloaded from the host device
Forwarders are limited to the game they were specifically set up for
Save data is managed individually on each system
The input buffer can be manually adjusted: higher values may enhance stability in noisy settings, but may introduce longer delays
As both Virtual Boy emulations run on each 3DS, games may experience slowdowns if either player is using an older model. The following titles are confirmed to function well on older 3DS devices:
Mario’s Tennis multiplayer patch
Hyper Fighting
Enhanced loading of save states from previous versions
