What is Retrograph? ==

Retrograph is a Ruby library which emulates the video display unit from a hypothetical late-80s 8-bit game console. It is similar in capability to the Sega Master System’s VDP, with some additional features and direct support for text modes.

What is Retrograph/EASY? ==

Retrograph/EASY is a simple API for creating games based on Retrograph. Currently, it is based atop Ruby/SDL, but support for other backends may be possible in the future.