Ah ! Thanks; it's been a month or two since I last looked at the manual.
The table mode should enable Pythagorean and mean-tone scales to be created
reasonably well. The only catch is that the  latter, especially, needs to be
defined realtive to a tonic. When you're in mean-tone, you tune according to the
key you are in. 

Richard Dobson

Terry Cast wrote:
> 
> Richard Dobson wrote:
> 
> > To bring this topic a little more into the Csound fold, perhaps there is a need
> > for an opcode to reconfigure the cpspch calculations, for different scales?
> 
> Use cps2pch or cpsxpch.
16.35160062496 ; 10.5ET scale

[snip] 
> The use of a table allows exotic scales by mapping frequencies in a table
> 
> For example the table
> 
> f2 0 16 -2 1 1.1 1.2 1.3 1.4 1.6 1.7 1.8 1.9
> 
> can be used with
> 
> ip cps2pch p4, -2
> 
> to get a 10 note scale of unequal divisions