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DSP1: Difference between revisions

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=== External Links ===
=== External Links ===
# https://snescentral.com/article.php?id=1239
# https://snescentral.com/article.php?id=1239
# [https://archive.org/details/SNESDevManual/book2/page/n288 page 3-4-2 of Book II] of the official Super Nintendo development manual
# paragraph 4.4 on [https://archive.org/details/SNESDevManual/book2/page/n288 page 3-4-2 of Book II] of the official Super Nintendo development manual
# [https://archive.org/details/SNESDevManual/book2/page/n281 Page 3-1-2], lbid.
# [https://archive.org/details/SNESDevManual/book2/page/n281 Page 3-1-2], lbid.
# https://problemkaputt.de/fullsnes.htm#snescartdspnst010st011biosfunctions
# https://problemkaputt.de/fullsnes.htm#snescartdspnst010st011biosfunctions

Revision as of 22:13, 5 January 2024

DSP1 in an enhancement chip with part number 22943 that implements common 3D math operations.

The DSP1 has registers named DR and SR.

The following commands are supported:

The microcode implementing them is in the DSP1's internal ROM.

The DSP1 hardware supports DMA, but the SNES does not have a way to kick it off. [2]

DSP1.png

In Figure 3-1-1 of the manual, the connection between the DSP1 chip and the 62-pin cartridge slot incorrectly appears outside the game pak.[3]

See Also

External Links

  1. https://snescentral.com/article.php?id=1239
  2. paragraph 4.4 on page 3-4-2 of Book II of the official Super Nintendo development manual
  3. Page 3-1-2, lbid.
  4. https://problemkaputt.de/fullsnes.htm#snescartdspnst010st011biosfunctions