RockNES v5.50 Pre is released. RockNES is a Nintendo (NES) emulator that supports total PPU emulation, total intelligent emulation (including VRCVI intelligent, used by some Japanese games), battery backed RAM, Famicom DiskSystem, VS Unisystem, and some 70 different mappers. In gain, RockNES includes lots of different video modes, as substantially as the ability to loading and economise your back at any stage. You can flush record movies of gameplay.

RockNES v5.50 Pre Changelog:
- Custom fullscreen mode should be working again.
- Fixed input devices GUI dialog.
- Fixed a few problems with the wallpaper.
- Switching to fullscreen mode should look at custom fullscreen settings, instead of using the current desktop resolution! Problem fixed!
- Switching to fullscreen mode should reset the upscaler to the original (256x240) if its height is greater than the screen height. Problem fixed!
- Added a blitter checking on GUI init routine to avoid blitting problems.
- Fixed blitting position on video resolution change.
- Fixed a few annoyances in the upscaler stuff.
- Added colors to a few GUI alert boxes, plus minor cosmetic changes.
- Documentation updated with new information.

Download: RockNES v5.50 Pre
Source: Here