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SUBW (SPC700): Difference between revisions
From SnesLab
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|'''Speed''' | |'''Speed''' | ||
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| | |[[Direct Page Addressing | Direct Page]] | ||
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!colspan="8"|Flags | !colspan="8"|Flags Affected | ||
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|N | |N | ||
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'''SUBW''' (Subtract Word) is an [[SPC700]] command that subtracts a [[direct page]] word from [[YA]]. | '''SUBW''' (Subtract Word) is an [[SPC700]] command that subtracts a 16-bit [[direct page]] word from [[YA]]. | ||
=== See Also === | === See Also === | ||
Revision as of 20:15, 23 July 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Direct Page | 9A | 2 bytes | 5 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | |||||
SUBW (Subtract Word) is an SPC700 command that subtracts a 16-bit direct page word from YA.
See Also
External Links
- Official Super Nintendo development manual on SUBW: Appendix C-8 of Book I