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IWT (Super FX): Difference between revisions
From SnesLab
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!colspan="8"|Basic Info | !colspan="8"|Basic Info | ||
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|'''Addressing Mode''' | |||
|'''Opcode''' | |'''Opcode''' | ||
|'''Length''' | |'''Length''' | ||
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|'''Cache Speed''' | |'''Cache Speed''' | ||
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|Fnxxxx | |Fnxxxx | ||
|3 bytes | |3 bytes | ||
Revision as of 20:44, 2 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Fnxxxx | 3 bytes | 9 cycles | 9 cycles | 3 cycle | |||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | . | . | . | ||
IWT (Immediate Word Data?) is a Super FX instruction that loads two immediate bytes into a register.
Trivia
The official Super Nintendo development manual mispells the mnemonic as "ITW" in the opcode diagram.[1]
See Also
External Links
- Official Nintendo documentation on IWT: 9.43 on Page 2-9-62 of Book II