We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
ADDW (SPC700): Difference between revisions
From SnesLab
(→External Links: added anomie link) |
(made flags affected more prominent) |
||
| Line 25: | Line 25: | ||
|[[Carry Flag|C]] | |[[Carry Flag|C]] | ||
|+ | |+ | ||
| | |N | ||
| | |V | ||
|. | |. | ||
|. | |. | ||
| | |H | ||
|. | |. | ||
| | |Z | ||
| | |C | ||
|} | |} | ||
Latest revision as of 13:50, 30 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Direct Page | 7A | 2 bytes | 5 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| N | V | . | . | H | . | Z | C |
ADDW (Add Word) is an SPC700 command that adds a 16-bit direct page value to YA. The sum is stored in YA.
Syntax
ADDW YA, dp
See Also
External Links
- Official Super Nintendo development manual on ADDW: Table C-12 in Appendix C-8 of Book I
- anomie: https://github.com/yupferris/TasmShiz/blob/8fabc9764c33a7ae2520a76d80ed7220bb939f12/spc700.txt#L317