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