This project is also known as SNESology. Here's a description:
The SNESology Project allows anyone with a web browser to compose and share original music based on the Super Nintendo Entertainment System Sound chip, and other consoles too!
Open-source & free to use forever
Create music from any browser. No software to install.
Songs built with web technology. No sample libraries to manage.
Edit songs in real-time with your co-producers (like google docs).
Chip support: C64, NES, SNES, Sega, PSx, etc.
Framework for professional, collaborative, & administrative services.
If this sounds good, let's chat!
do NOT contact me with unsolicited services or offers