diff --git a/doc/7-systems/c140.md b/doc/7-systems/c140.md new file mode 100644 index 000000000..eb39e3461 --- /dev/null +++ b/doc/7-systems/c140.md @@ -0,0 +1,19 @@ +# Namco C140 + +Namco C140 is a 24-channel custom PCM sound chip manufactured jointly by Fujitsu and Namco. It was first used in Namco Sytem 2 arcade family starting in 1987. + +This chip features: + +- stereo soft panning +- accepts either raw 12-bit PCM or proprietary 8-bit u-law compressed PCM samples +- 21.4 kHz sampling rate + +# effects + +- `80xx`: set panning (`00: left, `80`: center, `FF`: right) +- `81xx`: set left channel panning +- `82xx`: set right channel panning + +# info + +this chip uses the [C140](../4-instrument/c140.md) instrument editor.