If anybody's interested, I wrote a program to enable and modify the 3D
mode on Crystal CS4235 sound cards. It's working quite well for me; it
seems to work just as well as the 3D control in Windows.

Unfortunately the code only works on i386, but if anybody wants to fix
that they're more than welcome :-)

URL: http://invisible.yi.org/~jmcneill/cs4235-20001008.tar.gz

Jared