ascaudio
—
MAC68K Apple Sound Chip (ASC) built-in audio.
ascaudio* at obio? flags 0x00
audio* at audiobus?
spkr* at audio?
wsbell* at spkr?
ascaudio
provides an audio device for the (Enchanced)
Apple Sound Chip. It is implemented as an
audio(4) device.
The ascaudio
driver supports the following
flags for use in
config(1) files:
0x0
(DEFQUALTY
):
- 22257Hz Monaural playback.
0x1
(LOWQUALITY
):
- Half playback rate. Monoaural, intended for machines with slower clock
rates.
0x2
(HIGHQUALITY
):
- Best Quality supported by ASC. This would be stereo on equipped
machines.
Recording only works on some machines as audio routing is required, yet not
fully analyzed.