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CPY: Difference between revisions

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'''CPY''' (Compare Y) is a 65x instruction that compares the value of the [[Y index register]].
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'''CPY''' (Compare Y) is a 65x instruction that compares the value of the [[Y index register]].


=== See Also ===
=== See Also ===

Revision as of 03:30, 13 July 2023

Basic Info
Addressing Mode Opcode Length Speed
immediate C0 2 bytes 2 cycles
absolute CC 3 bytes 4 cycles
direct page C4 2 bytes 3 cycles
Flags Clobbered
N V M X D I Z C
. . . . .

CPY (Compare Y) is a 65x instruction that compares the value of the Y index register.

See Also

External Links

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