When MAME emulates a game like Altered Beast , Gradius , or NBA Jam , if the original arcade hardware had a YM2413, MAME will look for ym2413.zip .

The breakthrough came in the early 2000s when a hardware hacker named (famous for the JarekSonar sound engine) decapped the chip and photographed the silicon die. By visually reading the bits from the die photo—a process known as "die-shrink dumping"—he produced the first 100% accurate ym2413.bin file. Every ym2413.zip you download today is a descendant of that heroic effort.

First, let’s clarify what ym2413.zip is . It is not a game ROM. You cannot load it and "play" it. Instead, it is a device ROM or a sound chip dump .

: A massive dataset of 80s FM music used for training AI to recognize emotion in chiptune music.