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ASL (SPC700)
From SnesLab
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Accumulator | 1C | 1 byte | 2 cycles | ||||
| 0B | 2 bytes | 4 cycles | |||||
| 1B | 2 bytes | 5 cycles | |||||
| 0C | 3 bytes | 5 cycles | |||||
| Flags Clobbered | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | |||
ASL (Arithmetic Shift Left) is an SPC700 instruction that shifts its operand one bit to the left, more or less multiplying it by two. A zero is shifted into the least significant bit. The most significant bit is shifted into the carry flag.
See Also
External Links
- Official Super Nintendo development manual on ASL: Appendix C-7 of Book I