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CPY: Difference between revisions

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(linkify absolute and immediate)
(added asterisks to number of cycles)
Line 9: Line 9:
|[[Immediate]]
|[[Immediate]]
|C0
|C0
|2 bytes
|2 bytes*
|2 cycles
|2 cycles*
|+
|+
|[[Absolute]]
|[[Absolute]]
|CC
|CC
|3 bytes
|3 bytes
|4 cycles
|4 cycles*
|+
|+
|direct page
|direct page
|C4
|C4
|2 bytes
|2 bytes
|3 cycles
|3 cycles*
|}
|}


Revision as of 05:08, 20 November 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 Affected
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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