== Weblinks ==
* [http://http://cpcrulez.fr/hardware-audio-music_machine.htm ''Music Machine'' from CPCrulez]
* [http://www.compeng.dit.ie/staff/tscarff/6800/6850acia/6850.htm Information about the Motorola 6850 ACIA]
* [http://www.microhobby.com/200903/hard/ram_music_machine.htm Spanish site about the Music Machine]