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UMULT (Super FX)

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Revision as of 12:17, 22 December 2023 by Xetheria (talk | contribs) (8-bit multiplier)
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Basic Info
Opcode Length ROM Speed RAM Speed Cache Speed
3D8n 2 bytes 6 or 8 cycles 6 or 8 cycles 2 or 3 cycles
Flags Affected
B ALT1 ALT2 O/V S CY Z
0 0 0 . .

UMULT is an unsigned multiplication Super FX instruction. The product is stored in the destination register.

UMULT utilizes the 8-bit multiplier only once, so it is fast.[2]

See Also

External Links

  1. Official Nintendo documentation on UMULT: Page 2-9-122 of Book II
  2. https://archive.org/details/SNESDevManual/book2/page/n155