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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/n215 | * Official Nintendo documentation on IBT: [https://archive.org/details/SNESDevManual/book2/page/n215 Page 2-9-60 of Book II] | ||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Super FX]] | [[Category:Super FX]] | ||
[[Category:GSU_Control_Instructions]] | [[Category:GSU_Control_Instructions]] | ||
Revision as of 23:20, 6 July 2023
IBT 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.
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
| Anpp | 2 bytes | 6 cycles | 6 cycles | 2 cycles | |||
| Flags Clobbered | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | . | . | . | ||
See Also
External Links
- Official Nintendo documentation on IBT: Page 2-9-60 of Book II