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Hardware/DSP - Revision history
2026-10-15T01:36:12Z
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Techflash: Basic DSP page
2026-10-14T07:17:24Z
<p>Basic DSP page</p>
<p><b>New page</b></p><div>The [[GameCube Hardware/Flipper|Flipper]], [[Wii Hardware/Hollywood|Hollywood]], and [[Wii U Hardware/Latte|Latte]] SoCs feature and audio DSP made by Macronix.<br />
<br />
== Components ==<br />
The DSP can be divided into 3 logical components:<br />
* DSP Core<br />
** Runs a program from IROM or IRAM to perform computations<br />
** Official usage:<br />
*** [[Memory Card]] unlock algorithm<br />
*** Audio effects<br />
** [[Wii-Linux]] driver: None<br />
** [[NetBSD]] driver: None<br />
* ARAM Accelerator<br />
** Does DMA to/from ARAM and the Hi-Speed Port<br />
** Wii-Linux driver: <code>drivers/block/gcn-aram.c</code><br />
** NetBSD driver: None<br />
* Audio playback engine<br />
** Sends audio data from system memory to the [[Hardware/Audio Interface|Audio Interface]]<br />
** Official usage:<br />
*** Audio playback<br />
** Wii-Linux driver: <code>sound/ppc/gcn-ai.c</code><br />
** NetBSD driver: <code>sys/arch/evbppc/nintendo/dev/bwdsp.c</code></div>
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