RU sure you're meaning analog computers?
My thought exactly. I don`t even get what he is talking about. Maybe he is referring to the SID synthesizer chip but that's just a wild guess. While the chip can generate "analog" sounds you can do sampling as well, because the oscillators are digitally controlled. The C64 can do D/A by itself and via the joystick port (or better the datasette) also A/D. Unfortunately the hardware isn`t very good at this.
And if he is talking about synthesizer chips, he might be interested in Adlib PC soundcards as well, which are the primary thing that comes to mind, when talking about FM-synthesis, right?
