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ADDW (SPC700): Difference between revisions
From SnesLab
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|[[Negative Flag|N]] | |[[Negative Flag|N]] | ||
|[[Overflow Flag|V]] | |[[Overflow Flag|V]] | ||
|P | |[[Direct Page Flag|P]] | ||
|B | |[[Break Flag|B]] | ||
|H | |[[Half-Carry Flag|H]] | ||
|I | |[[Interrupt Enable Flag|I]] | ||
|[[Zero Flag|Z]] | |[[Zero Flag|Z]] | ||
|[[Carry Flag|C]] | |[[Carry Flag|C]] | ||
Revision as of 05:50, 28 November 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Direct Page | 7A | 2 bytes | 5 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | |||||
ADDW (Add Word) is an SPC700 command that adds a 16-bit direct page value to YA.
See Also
External Links
- Official Super Nintendo development manual on ADDW: Table C-12 in Appendix C-8 of Book I