Hi Rustom1
I suppose for the purpose of a simple sound, the sine wave is quite fine. So your instrument might look something like this:

Hi Julien,

Thanks for trying. csound is still erroring at me. Its not exactly what numbers you gave; in either case its throwing errors. Since I understand nothing about the intricacies could you take one more look?

Meanwhile I'll look at the opcodes you suggested

Thanks

Rusi

Heres my file
----------------------------------