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MULT (Super FX)

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Revision as of 16:32, 2 July 2024 by Xetheria (talk | contribs) (implied type 1)
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Basic Info
Addressing Mode Opcode Length ROM Speed RAM Speed Cache Speed
Implied (type 1) 8n 1 byte 3 or 5 cycles 3 or 5 cycles 1 or 2 cycles
Immediate 3E8n 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 . .

MULT is a Super FX instruction that performs a signed multiplication. The product is stored in the destination register.

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

The exact number of cycles depends on the state of the CFGR register.

See Also

External Links

  1. Official Nintendo documentation on MULT: 9.66 on Page 2-9-93 of Book II
  2. 8.2 "Multiplication Instructions" on page 2-8-16 of Book II, lbid.