SSDS3

The Super SD System 3 (SSDS3) is an all-in-one device that allows users to experience the full range of NEC's PC-Engine, TurboGrafx-16, PC-Engine CD, and Turbo-CD software. It simulates all aspects of the hardware and contains such features as System & Arcade Card simulation, per game save file storage, and full RGB output.

Firmware can be downloaded here

Manual is located here