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DSP Interface Register

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The DSP Interface Register allows for the S-SMP to communicate with the S-DSP. This register is inside the S-DSP.[2] It is 16 bits wide, consisting of two 8-bit subregisters:

  • 00F2h holds the target DSPRAM address
  • 00F3h holds the data byte 00F2h points to

Its value is indeterminate upon reset.

See Also

Reference

  1. page 3-6-1 of Book I of the official Super Nintendo development manual
  2. page 3-3-1 of Book I, lbid.
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