I tried a google search, but alas... :-) I'm looking for the documentation for the olde TI analog sound chip; this dates back to the late 70's early 80's if my memory serves me correctly. I don't even remember the part number. AFAIK, it had some kind of "I2L" (I squared el) technology or somesuch, and it was mostly analog, with some digital control (but nothing like a DSP or midi). Anyone recall this chip? Anyone have the datasheet for it online or willing to scan it in? Background: I remember playing with it a *long* time ago, and wanted to model it in software :-) Cheers, and thanks in advance, -RK -- Looking for Digital Equipment Corp. PDP-1 through PDP-15 minicomputers! Robert Krten, PARSE Software Devices +1 613 599 8316.