>  When I tried mode 5, it worked!  But only for the oldest note.  If I
>  hit a noteoff for the second note added, it crashes like before, with
>  csound's CPU spiking first as before.

One more thing: I just discovered that for mode 1, "oldest note only,"
with decimal note numbers, it doesn't matter in what order the notes
were added, only the fractional parts.  I may be able to workaround it
by making Pd assign the lowest fractional parts to the notes that turn
off first.

-Chuckk