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LSR (Super FX): Difference between revisions
From SnesLab
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|[[ALT2]] | |[[ALT2]] | ||
|[[O/V]] | |[[O/V]] | ||
|S | |[[Sign Flag|S]] | ||
|[[CY]] | |[[CY]] | ||
|Z | |Z | ||
Revision as of 19:14, 1 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
| 03 | 1 byte | 3 cycles | 3 cycles | 1 cycle | |||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | 0 | ||||
LSR (Logical Shift Right) is a Super FX instruction that shifts all bits of the source register's value to the right one bit while shifting a zero into the most significant bit, storing the result in the destination register. Bit 0 is shifted into CY. The source register itself is left unchanged.
See Also
External Links
- Official Nintendo documentation on LSR: Page 2-9-78 of Book II