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ROR: Difference between revisions

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!colspan="9"|Flags Affected
!colspan="9"|Flags Affected
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|N
|[[N Flag|N]]
|V
|[[V Flag|V]]
|M
|[[M Flag|M]]
|X
|[[X Flag|X]]
|D
|[[D Flag|D]]
|I
|[[I Flag|I]]
|Z
|[[Z Flag|Z]]
|C
|[[C Flag|C]]
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Revision as of 03:07, 27 November 2023

Basic Info
Addressing Mode Opcode Length Speed
Accumulator 6A 1 byte 2 cycles
Absolute 6E 3 bytes 6 cycles*
Direct Page 66 2 bytes 5 cycles*
absolute indexed by X 7E 3 bytes 7 cycles*
direct page indexed by X 76 2 bytes 6 cycles*
Flags Affected
N V M X D I Z C
. . . . .

ROR (Rotate Right) is a 65x instruction that rotates a value and the carry flag right one bit. The least significant bit is shifted into the carry flag. The carry flag is shifted into the most significant bit.

Cycle Penalties

See Also

External Links