Device: Tone

The tone device provides access to a multi-channel tone synthesizer.

Port	Name	Description	Read	Write
`0x60`
`0x61`
`0x62`
`0x63`
`0x64`
`0x65`
`0x66`
`0x67`
`0x68`
`0x69`
`0x6A`
`0x6B`
`0x6C`
`0x6D`
`0x6E`
`0x6F`