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  • Sound memory uses DRAM, so a refresh cycle is required. Since the Saturn sound system requires two free cycles per sample, the number of memory cycles available to other devices is 126.

  • The sound cycle of the sound source and DSP has the highest priority memory cycle.

    Since the

  • sound source uses two memory cycles per slot, it uses a total of 64 memory cycles for a maximum of 32 slots. When the EG is in the maximum attenuation state ("3FFH"), the sound source does not access the memory. Perform KEY_OFF for slots that do not output audio.

    The

  • DSP performs up to 64 memory accesses. This depends on the DSP application. When you want to store data temporarily in the DSP, use the DSP internal register as much as possible.

  • When using SCSP built-in DMA, the sound CPU slows down due to the considerable weight in the sound CPU.

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