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LMULT (Super FX): Difference between revisions

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(multiplier 4 times)
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'''LMULT''' is a signed multiplication [[Super FX]] instruction.  The exact speed depends on the state of the [[CFGR]] register.
'''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.<sup>[3]</sup>


=== See Also ===
=== See Also ===
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=== External Links ===
=== External Links ===
* Official Nintendo documentation on LMULT: [https://archive.org/details/SNESDevManual/book2/page/n229 page 2-9-73 of Book II]
# Official Nintendo documentation on LMULT: [https://archive.org/details/SNESDevManual/book2/page/n229 page 2-9-73 of Book II]
* example: [https://archive.org/details/SNESDevManual/book2/page/n230 page 2-9-74 of Book II], lbid.
# example: [https://archive.org/details/SNESDevManual/book2/page/n230 page 2-9-74 of Book II], lbid.
# https://archive.org/details/SNESDevManual/book2/page/n155


[[Category:ASM]]
[[Category:ASM]]
[[Category:Super FX]]
[[Category:Super FX]]

Revision as of 12:11, 22 December 2023

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]

See Also

External Links

  1. Official Nintendo documentation on LMULT: page 2-9-73 of Book II
  2. example: page 2-9-74 of Book II, lbid.
  3. https://archive.org/details/SNESDevManual/book2/page/n155