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IBT: Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
* Official Nintendo documentation on IBT: [https://archive.org/details/SNESDevManual/book2/page/n216 Page 2-9-60 of Book II] | * Official Nintendo documentation on IBT: 9.41 on [https://archive.org/details/SNESDevManual/book2/page/n216 Page 2-9-60 of Book II] | ||
[[Category:ASM]] | [[Category:ASM]] | ||
Revision as of 20:55, 1 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
| Anpp | 2 bytes | 6 cycles | 6 cycles | 2 cycles | |||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | . | . | . | ||
IBT (Immediate Byte Data?) is a Super FX instruction that loads an immediate value into a specified register. Its upper eight bits will be set to the same value as bit 7, effectively loading a signed 8-bit value.
See Also
External Links
- Official Nintendo documentation on IBT: 9.41 on Page 2-9-60 of Book II