> Texas Instruments used to make the SN76477 and the SN76496. > These are listed as "sound generators" and were meant to be > used in video games to produce a variety of sound effects. They > contained a noise source and various envelope generators. > The former chip (and maybe the latter) are no longer made, but > the > data sheets may be available somewhere. They showed how various > sounds were synthesized; this might give you some ideas. > > John Power If someone is interested in playing with one of these, I think i _may_ have one buried in one of my junk drawers. If you want it, you can have it (if I actually still have it!) Bob Ammerman RAm Systems -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body