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BIT: Difference between revisions
From SnesLab
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Revision as of 18:52, 2 May 2023
BIT is a 65x instruction that performs a logical AND operation between the accumulator and memory without storing the conjunction.
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| immediate | 89 | 2 bytes | 2 cycles | ||||
| absolute | 2C | 3 bytes | 4 cycles | ||||
| direct page | 24 | 2 bytes | 3 cycles | ||||
| absolute indexed X | 3C | 3 bytes | 4 cycles | ||||
| direct page indexed X | 34 | 2 bytes | 4 cycles | ||||
| Flags Clobbered | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | ||||