[sdiy] Another take at the AVR as a synth

[Paul Maddox]

John,

>I hate to nitpick (aw, no I don't), but this is a "big nit":  No VCO
> Cross-Modulation, i.e. you can't FM one DCO with the other. :-(

Huh?
IMHO, thats a minor issue, the inclusion of 2 8 step sequencers, waveshapers 
(ontop of 256 waveforms) and hard sync, makes thing damned impressive in my 
mind.
FWIW, I think the only thing that lets it down is the user interface.

> Is this due to CPU limitations?

quite probably, there's a lot going on in there, handling midi, LCD, buttons 
scanning, plus two lfos, 2 8 step sequencers, 3 egs and two oscillators... 
there's some impressive coding gone on in there!

Paul