furnace/doc/7-systems/t6w28.md
2024-07-06 14:52:07 -05:00

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# 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.