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EOR: Difference between revisions

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'''EOR''' is a 65x instruction that performs an [https://mathworld.wolfram.com/XOR.html exclusive or].
'''EOR''' is a 65x instruction that performs an [https://mathworld.wolfram.com/XOR.html exclusive or].  The result is stored in the [[accumulator]].


==== Syntax ====
==== Syntax ====

Revision as of 01:55, 14 July 2024

Basic Info
Addressing Mode Opcode Length Speed
Immediate 49 2/3 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 Affected
N V M X D I Z C
. . . . . .

EOR is a 65x instruction that performs an exclusive or. The result is stored in the accumulator.

Syntax

EOR #const
EOR addr
EOR long
EOR dp
EOR (dp)
EOR [dp]
EOR addr, X
EOR long, X
EOR addr, Y
EOR dp, X
EOR (dp, X)
EOR (dp), Y
EOR [dp], Y
EOR sr, S
EOR (sr, S), Y
Cycle Penalties

See Also

External Links

Retrieved from "https://sneslab.net/mw/index.php?title=EOR&oldid=17896"