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DSP1/Inverse: Difference between revisions
From SnesLab
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Revision as of 00:03, 23 July 2023
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| Speed | 98 cycles
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Inverse is a DSP1 command that calculates a floating point multiplicative inverse (reciprocal).
Input Parameters
- a[M] is the coefficient
- b[C] is the exponent (in the range 8002 to 7FFFh)
The total input value is then a*2^b
Output Parameters
- A[M] is the coefficient
- B[C] is the exponent (in the range 8002 to 7FFFh)
References
- page 3-5-2 of Book II of the official Super Nintendo development manual