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MULT (Super FX): Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
# Official Nintendo documentation on MULT: [https://archive.org/details/SNESDevManual/book2/page/n249 Page 2-9-93 of Book II] | # Official Nintendo documentation on MULT: 9.66 on [https://archive.org/details/SNESDevManual/book2/page/n249 Page 2-9-93 of Book II] | ||
# [https://archive.org/details/SNESDevManual/book2/page/n155 page 2-8-16 of Book II], lbid. | # [https://archive.org/details/SNESDevManual/book2/page/n155 page 2-8-16 of Book II], lbid. | ||
Revision as of 21:15, 1 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
| 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]
See Also
External Links
- Official Nintendo documentation on MULT: 9.66 on Page 2-9-93 of Book II
- page 2-8-16 of Book II, lbid.