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Cache RAM

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Cache RAM is a region of 512 bytes on the Super FX. Access to it is six times faster than Game Pak ROM or Game Pak RAM.1 It is divided into 32 blocks, each block being 16 bytes.2

On the S-CPU, it is mapped to $xx:3100-$xx:32FF ($xx = $00-$3F, $80-$BF).3

See Also

References

  1. page 2-6-9 of Book II of the official Super Nintendo development manual
  2. page 2-6-10 of Book II of the official Super Nintendo development manual
  3. Cache RAM Access From The Super NES. page 2-6-12 of Book II of the official Super Nintendo development manual
  4. Execution in Cache RAM. page 2-6-1 of Book II of the official Super Nintendo development manual
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