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DEC (SPC700)
From SnesLab
Basic Info | |||||||
---|---|---|---|---|---|---|---|
Addressing Mode | Opcode | Length | Speed | ||||
Accumulator | 9C | 1 byte | 2 cycles | ||||
Direct Page | 8B | 2 byte | 4 cycles | ||||
Direct Page Indexed by X | 9B | 2 byte | 5 cycles | ||||
Absolute | 8C | 3 bytes | 5 cycles | ||||
Implied (type 1) | 1D | 1 byte | 2 cycles | ||||
Implied (type 1) | DC | 1 byte | 2 cycles |
Flags Affected | |||||||
---|---|---|---|---|---|---|---|
N | V | P | B | H | I | Z | C |
. | . | . | . | . | . |
DEC is an SPC700 instruction that decrements its operand.
See Also
External Links
- Official Super Nintendo development manual on DEC: Appendix C-7 of Book I