AICA(4) Device Drivers Manual (dreamcast) AICA(4)

aica
Yamaha AICA sound system audio device driver

aica* at g2bus?
audio* at aica?

The aica driver provides support for the Yamaha AICA sound system (64 channel PCM sound) chip.

dreamcast/g2bus(4)

The aica device driver appeared in NetBSD 2.0.

AICA has 64 PCM channels, but this driver support only 2 channels (left & right). The remaining 62 channels are idle.
February 17, 2017 NetBSD 9.4