nullDC-Naomi SVN r73 is released. nullDC-Naomi is an open source NAOMI Arcade System Emulator. It will NOT run Dreamcast games.

nullDC-Naomi SVN Changelog:
r73
Imgreader:
--CDI support on the new code
--Various notes and helper functions

Download: nullDC-Naomi SVN r73
Source:Here