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DEC
From SnesLab
DEC (Decrement) is a 65x instruction that decrements the value in the location specified by the operand.
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| accumulator | 3A | 1 byte | 2 cycles | ||||
| absolute | CE | 3 bytes | 6 cycles | ||||
| direct page | C6 | 2 bytes | 5 cycles | ||||
| absolute indexed X | DE | 3 bytes | 7 cycles | ||||
| direct page indexed X | D6 | 2 bytes | 6 cycles | ||||
| Flags Clobbered | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | |||