in 1978, general instrument released the ay-3-8910, the design of which was later licensed by yamaha corporation for their ym2149. these chips were used as the standard for the msx computer standards 1 and 2, respectively. the features of this chip were also incorporated into other yamaha sound chips including the ym2203 and ym2608 chips, these were also capable of fm synthesis. in the same year atari design the pokey chip for its home computers and game systems, it incorporate a psg.