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SWAP (Super FX)
From SnesLab
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