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EOR: Difference between revisions

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=== See Also ===
=== See Also ===
* [[ORA]]
* [[ORA]]
=== External Links ===
* [[Eyes & Lichty]] page on EOR: https://archive.org/details/0893037893ProgrammingThe65816/page/n480


[[Category:ASM]]
[[Category:ASM]]
[[Category:Group One Instructions]]
[[Category:Group One Instructions]]
[[Category:Inherited from 6502]]
[[Category:Inherited from 6502]]

Revision as of 22:34, 15 May 2023

EOR is a 65x instruction that performs an exclusive or.

Basic Info
Addressing Mode Opcode Length Speed
immediate 49 2 bytes 2 cycles
absolute 4D 3 bytes 4 cycles
absolute long 4F 4 bytes 5 cycles
direct page 45 2 bytes 3 cycles
direct page indirect 52 2 bytes 5 cycles
direct page indirect long 47 2 bytes 6 cycles
absolute indexed by X 5D 3 bytes 4 cycles
absolute long indexed by X 5F 4 bytes 5 cycles
absolute indexed by Y 59 3 bytes 4 cycles
direct page indexed by X 55 2 bytes 4 cycles
direct page indexed indirect by X 41 2 bytes 6 cycles
direct page indirect indexed by Y 51 2 bytes 5 cycles
direct page indirect long indexed by Y 57 2 bytes 6 cycles
stack relative 43 2 bytes 4 cycles
stack relative indirect indexed by Y 53 2 bytes 7 cycles
Flags Clobbered
N V M X D I Z C
. . . . . .

See Also

External Links