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LSR: Difference between revisions

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(snes9x implementation)
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=== See Also ===
* [[ASL]]


=== External Links ===
=== External Links ===

Revision as of 21:10, 17 May 2023

LSR (Logical Shift Right) is a 65x instruction that shifts a value one bit to the right (division by two). The most significant bit becomes a zero. The least significant bit is shifted into the carry flag.

Basic Info
Addressing Mode Opcode Length Speed
accumulator 4A 1 byte 2 cycles
absolute 4E 3 bytes 6 cycles
direct page 46 2 bytes 5 cycles
absolute indexed X 5E 3 bytes 7 cycles
direct page indexed X 56 2 bytes 6 cycles
Flags Clobbered
N V M X D I Z C
0 . . . . .

See Also

External Links