Board feature control

This is a general list of ports and registers used to control features on the Spectrum Next board.

Note that these lists are automatically generated and not directly editable. To edit data on a port or register, visit its page. To add a new port, click here. To add a new register, click here.

Mapped Spectrum Ports

{{#ask:

|?PortNumber=Number
|?ShortDesc=Description
|sort=PortNumber

}}

Next/TBBlue Feature Control Registers

Specific features of the Next are controlled via these register numbers, accessed via {{#ask: PortNumber::$243B }} ($243B{{#ask: PortNumber::$243B |mainlabel=- |headers=hide |intro= /  |?NumberDec#- }}) and {{#ask: PortNumber::$253B }} ($253B{{#ask: PortNumber::$253B |mainlabel=- |headers=hide |intro= /  |?NumberDec#- }}), or via the NEXTREG opcode.

{{#ask:

|?TBRegisterNumber=Number
|?TBRegisterReadable=Readable
|?TBRegisterWritable=Writable
|?ShortDesc=Description
|sort=TBRegisterNumber

}}