hello midi freaks 
i am curently building a midibox-fm synth and while searching for yamaha chips i found this chip ALS120 on old Sound Blaster card
now ive been wondering if any of u guys had any attempt to build some box with this chip
tech spec’s of this chip looks promising
info about this chip can be found at this page http://www.digchip.com/datasheets/search.php after free registration