pouët.net

SR-200 by Fit [web]

(The) Fiture "Crew" presents at Vammala Party'12:

SR-200

Code: Marq
Tune: Yzi

A little proof-of-concept with big smooth scrolling and music for Panasonic
JR-200UP. Play back the wav file to the cassette port and enjoy. Will not
work with emulators because of the timings and the use of undocumented
features (oh well, there's no documentation available anyway).

There is no VBI or retrace register on the JR-200, but some hacking let 
us sync to the screen refresh. For more information on the method see 
the source and the page below.

http://www.kameli.net/marq/?page_id=1270
http://www.kameli.net/fit/