We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
DEC (SPC700): Difference between revisions
From SnesLab
(→See Also: DEX, DEY) |
(accumulator) |
||
| Line 7: | Line 7: | ||
|'''Speed''' | |'''Speed''' | ||
|+ | |+ | ||
| | |[[Accumulator Addressing | Accumulator]] | ||
|9C | |9C | ||
|1 byte | |1 byte | ||
Revision as of 17:38, 23 July 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Accumulator | 9C | 1 byte | 2 cycles | ||||
| 8B | 2 byte | 4 cycles | |||||
| 9B | 2 byte | 5 cycles | |||||
| 8C | 3 bytes | 5 cycles | |||||
| 1D | 1 byte | 2 cycles | |||||
| DC | 1 byte | 2 cycles | |||||
| Flags Clobbered | |||||||
|---|---|---|---|---|---|---|---|
| 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