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CPX: Difference between revisions
From SnesLab
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'''CPX''' (Compare X) is a 65x instruction that compares the value of the [[X index register]]. | '''CPX''' (Compare X) is a 65x instruction that compares the value of the [[X index register]]. | ||
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!colspan="8"|Basic Info | |||
|+ | |||
|'''Addressing Mode''' | |||
|'''Opcode''' | |||
|'''Length''' | |||
|'''Speed''' | |||
|+ | |||
|immediate | |||
|E0 | |||
|2 bytes | |||
|2 cycles | |||
|+ | |||
|absolute | |||
|EC | |||
|3 bytes | |||
|4 cycles | |||
|+ | |||
|direct page | |||
|E4 | |||
|2 bytes | |||
|3 cycles | |||
|} | |||
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Revision as of 17:32, 1 May 2023
CPX (Compare X) is a 65x instruction that compares the value of the X index register.
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| immediate | E0 | 2 bytes | 2 cycles | ||||
| absolute | EC | 3 bytes | 4 cycles | ||||
| direct page | E4 | 2 bytes | 3 cycles | ||||
| Flags Clobbered | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | ||||