Red Viper v1.2.3 is released. A Virtual Boy emulator for the Nintendo 3DS continuing mrdanielps's work on r3Ddragon, which is itself based on Reality Boy / Red Dragon. It uses a dynamic recompiler with busywait detection and a hardware-accelerated renderer to achieve high performance on the 3DS's limited hardware.

Red Viper Changelog:
Fixed a potential performance regression introduced in v1.2.2
v1.2.2 changelog in case you missed it:
Fixed a bug where in homebrew that doesn't use tile worlds, the screen may be completely black
Fixed crashes when closing the emulator during and when exiting multiplayer
Detect a few additional busywait patterns

Download: Red Viper v1.2.3
Source:Here