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INC (SPC700): Difference between revisions
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(→See Also: DEC (SPC700)) |
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{| class="wikitable" style="float:right;clear:right;width:40%" | |||
{| class="wikitable" style="float:right;clear:right;width: | |||
!colspan="8"|Basic Info | !colspan="8"|Basic Info | ||
|+ | |+ | ||
| Line 9: | Line 7: | ||
|'''Speed''' | |'''Speed''' | ||
|+ | |+ | ||
| | |[[Accumulator Addressing | Accumulator]] | ||
|BC | |BC | ||
|1 byte | |1 byte | ||
|2 cycles | |2 cycles | ||
|+ | |+ | ||
| | |[[Direct Page Addressing | Direct Page]] | ||
|AB | |AB | ||
|2 byte | |2 byte | ||
|4 cycles | |4 cycles | ||
|+ | |+ | ||
| | |[[Direct Page Indexed by X]] | ||
|BB | |BB | ||
|2 byte | |2 byte | ||
|5 cycles | |5 cycles | ||
|+ | |+ | ||
| | |[[Absolute Addressing | Absolute]] | ||
|AC | |AC | ||
|3 bytes | |3 bytes | ||
|5 cycles | |5 cycles | ||
|+ | |+ | ||
| | |[[Implied]] (type 1) | ||
|3D | |3D | ||
|1 byte | |1 byte | ||
|2 cycles | |2 cycles | ||
|+ | |+ | ||
| | |[[Implied]] (type 1) | ||
|FC | |FC | ||
|1 byte | |1 byte | ||
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{| class="wikitable" style="float:right;clear:right;width:30%" | {| class="wikitable" style="float:right;clear:right;width:30%" | ||
!colspan="8"|Flags | !colspan="8"|Flags Affected | ||
|+ | |+ | ||
|N | |[[Negative Flag|N]] | ||
|V | |[[Overflow Flag|V]] | ||
|P | |[[Direct Page Flag|P]] | ||
|B | |[[Break Flag|B]] | ||
|H | |[[Half-Carry Flag|H]] | ||
|I | |[[Interrupt Enable Flag|I]] | ||
|Z | |[[Zero Flag|Z]] | ||
|C | |[[Carry Flag|C]] | ||
|+ | |+ | ||
| | | | ||
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| | | | ||
|} | |} | ||
'''INC''' is an [[SPC700]] instruction that increments the operand by one. | |||
=== See Also === | === See Also === | ||
* [[INC]] | * [[INC]] | ||
* [[DEC (SPC700)]] | * [[DEC (SPC700)]] | ||
* [[INX]] | |||
* [[INY]] | |||
=== External Links === | === External Links === | ||
Latest revision as of 05:01, 27 November 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Accumulator | BC | 1 byte | 2 cycles | ||||
| Direct Page | AB | 2 byte | 4 cycles | ||||
| Direct Page Indexed by X | BB | 2 byte | 5 cycles | ||||
| Absolute | AC | 3 bytes | 5 cycles | ||||
| Implied (type 1) | 3D | 1 byte | 2 cycles | ||||
| Implied (type 1) | FC | 1 byte | 2 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | . | ||
INC is an SPC700 instruction that increments the operand by one.
See Also
External Links
- Official Super Nintendo development manual on INC: Appendix C-7 of Book I