Turbo Sound Next
From SpecNext Wiki
Turbo Sound Next is the audio system integrated on the Spectrum Next. It features 3 AY-3-8910 sound chips as used in the Spectrum, plus a MOS 6581 (SID) as used on the Commodore 64.
{{#ask: PortNumber::$FFFD }} ($FFFD{{#ask: PortNumber::$FFFD |mainlabel=- |headers=hide |intro= / |?NumberDec#- }}) controls the selected chip and enables and disables stereo channels per chip. {{#ask: TBRegisterNumber::$08 }} ($08) controls the mapping of chip channels to stereo channels.