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DSP1/Distance
From SnesLab
(Redirected from DSP1/28h)
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Opcode | 28 | ||||||
| Speed | 156 cycles
20.5 μs | ||||||
Distance is a DSP1 command that calculates the length of a vector. It is bugged in DSP1/DSP1A and fixed in DSP1B.
Input Parameters
- x is a vector component
- y is a vector component
- z is a vector component
Output Parameters
- R is the vector length
See Also
References
- subparagraph 5.2.3 on Page 3-5-7 of Book II of the official Super Nintendo development manual
- paragraph 6.6 on page 3-6-1 of Book II, lbid.
- https://github.com/bsnes-emu/bsnes/blob/master/bsnes/sfc/coprocessor/dsp1/dsp1emu.cpp#L395