Editing Hardware/DSP (section)

== Components ==
The DSP can be divided into 3 logical components:
* DSP Core
** Runs a program from IROM or IRAM to perform computations
** Official usage:
*** [[Memory Card]] unlock algorithm
*** Audio effects
** [[Wii-Linux]] driver: None
** [[NetBSD]] driver: None
* ARAM Accelerator
** Does DMA to/from ARAM and the Hi-Speed Port
** Wii-Linux driver: <code>drivers/block/gcn-aram.c</code>
** NetBSD driver: None
* Audio playback engine
** Sends audio data from system memory to the [[Hardware/Audio Interface|Audio Interface]]
** Official usage:
*** Audio playback
** Wii-Linux driver: <code>sound/ppc/gcn-ai.c</code>
** NetBSD driver: <code>sys/arch/evbppc/nintendo/dev/bwdsp.c</code>