asio4all seems not to work in Csound 6.09 / WIN 7 as it is not listed under --devices.
After replacing rtpa.dll - according to Stevens advice - with rtpa.dll from 6.08 it worked perfectly.

Clemens

Csound mailing list
Csound@listserv.heanet.ie
https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND
Send bugs reports to
        https://github.com/csound/csound/issues
Discussions of bugs and features can be posted here