83Plus:Software:usb8x/Asm Interface/ReadDescriptor

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Synopsis

Name: ReadDescriptor

Minimum usb8x version: 0.05

Reads a descriptor from the connected device

Inputs

  • HL: Address of buffer to store descriptor
  • B: Descriptor type
  • C: Index (for string descriptors)

Outputs

  • NC: Success

Destroys

  • AF, BC, DE, HL

Notes

Descriptor types, like descConfig, descDevice, and descString; are equated in usb8x.inc.

See Also

  • [[../FindDescriptor|FindDescriptor]] - Finds a descriptor in a descriptor list
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