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ROL (SPC700)
From SnesLab
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Accumulator | 3C | 1 byte | 2 cycles | ||||
| 2B | 2 bytes | 4 cycles | |||||
| 3B | 2 bytes | 5 cycles | |||||
| 2C | 3 bytes | 5 cycles | |||||
| Flags Clobbered | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | |||
ROL is an SPC700 instruction that rotates its operand one bit to the left. The most significant bit is rotated into the carry flag. The old value of the carry flag is rotated into the least significant bit.
See Also
External Links
- Official Super Nintendo development manual on ROL: Appendix C-7 of Book I