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DSP1: Difference between revisions

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* [[DSP1/Triangle]]
* [[DSP1/Triangle]]


The code implementing them is in the DSP1's internal ROM.
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. <sup>[2]</sup>
The DSP1 hardware supports [[DMA]], but the SNES does not have a way to kick it off. <sup>[2]</sup>

Revision as of 07:34, 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. 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