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SWAP (Super FX): Difference between revisions
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=== External Links === | === External Links === | ||
* Official Nintendo documentation on SWAP: https://archive.org/details/SNESDevManual/book2/page/n276 | * Official Nintendo documentation on SWAP: [https://archive.org/details/SNESDevManual/book2/page/n276 Page 2-9-120 of Book II] | ||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Super FX]] | [[Category:Super FX]] | ||
[[Category:Byte Transfer Instructions]] | [[Category:Byte Transfer Instructions]] | ||
Revision as of 23:35, 6 July 2023
SWAP is a Super FX instruction that swaps two bytes. The low byte of the source register is written to the high byte of the destination register, and the high byte of the source register is written to the low byte of the destination register. The source register itself is left unchanged.
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
| 4D | 1 byte | 3 cycles | 3 cycles | 1 cycle | |||
| Flags Clobbered | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | . | ||||
External Links
- Official Nintendo documentation on SWAP: Page 2-9-120 of Book II