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LMULT (Super FX): Difference between revisions
From SnesLab
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!colspan="9"|Flags Affected | !colspan="9"|Flags Affected | ||
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|B | |[[B Flag|B]] | ||
|[[ALT1]] | |[[ALT1]] | ||
|[[ALT2]] | |[[ALT2]] |
Revision as of 19:57, 30 June 2024
Basic Info | |||||||
---|---|---|---|---|---|---|---|
Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
3D9F | 2 bytes | 10 or 14 cycles | 10 or 14 cycles | 5 or 9 cycles |
Flags Affected | ||||||||
---|---|---|---|---|---|---|---|---|
B | ALT1 | ALT2 | O/V | S | CY | Z | ||
0 | 0 | 0 | . |
LMULT is a signed multiplication Super FX instruction. The exact speed depends on the state of the CFGR register.
LMULT utilizes the 8-bit multiplier four times.[3]
LMULT shares its multiplication circuit with FMULT.
See Also
External Links
- Official Nintendo documentation on LMULT: page 2-9-73 of Book II
- example: page 2-9-74 of Book II, lbid.
- page 2-8-16 of Book II, lbid.