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LSR (SPC700): Difference between revisions
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'''LSR''' (Logical Shift Right) is an [[SPC700]] instruction that shifts its operand one bit to the right. The least significant bit is shifted into the [[carry flag]]. A zero is shifted into the most significant bit. | '''LSR''' (Logical Shift Right) is an [[SPC700]] instruction that shifts its operand one bit to the right, dividing it by two. The least significant bit is shifted into the [[carry flag]]. A zero is shifted into the most significant bit. | ||
=== See Also === | === See Also === | ||
Revision as of 19:19, 22 July 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| 5C | 1 byte | 2 cycles | |||||
| 4B | 2 bytes | 4 cycles | |||||
| 5B | 2 bytes | 5 cycles | |||||
| 4C | 3 bytes | 5 cycles | |||||
| Flags Clobbered | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | |||
LSR (Logical Shift Right) is an SPC700 instruction that shifts its operand one bit to the right, dividing it by two. The least significant bit is shifted into the carry flag. A zero is shifted into the most significant bit.
See Also
External Links
- Official Super Nintendo development manual on LSR: Appendix C-7 of Book I