The 40-pin AY-3-8910 devices I've been playing with are no longer newly available, but they are pretty available if you are happy with a certain questionable quality (more on that here: Arduino and AY-3-8910). But the slightly shorter version (with fewer general purpose I/O pins), the 28 pin AY-3-8912, seems a lot harder to find, … Continue reading AY-3-8912/8910 Hardware Emulation →