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IBT: Difference between revisions
From SnesLab
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|B | |B | ||
|ALT1 | |[[ALT1]] | ||
|ALT2 | |[[ALT2]] | ||
|O/V | |[[O/V]] | ||
|S | |S | ||
|CY | |[[CY]] | ||
|Z | |Z | ||
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[[Category:Super FX]] | [[Category:Super FX]] | ||
[[Category:GSU_Control_Instructions]] | [[Category:GSU_Control_Instructions]] | ||
[[Category:Two-byte Instructions]] | |||
Latest revision as of 07:08, 28 November 2023
| 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: Page 2-9-60 of Book II