# Toshiba T6W28

an enhanced SN76489 derivative. same 4 channels, but with stereo (soft panning!) and noise frequency being fully independent of channel 3's.

this chip was used in Neo Geo Pocket.

## effects

- `20xx`: **set noise mode.**
  - `0`: thin pulse.
  - `1`: noise.

## info

this chip uses the [T6W28](../4-instrument/t6w28.md) instrument editor.

## chip config

the following options are available in the Chip Manager window:

- **Disable easy period to note mapping on upper octaves**: Furnace maps the notes in the upper octaves to periods, for easier noise tuning. this option allows you to disable this feature.