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ALT3: Difference between revisions
From SnesLab
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* Official Nintendo documentation on ALT3: 9.10 on [https://archive.org/details/SNESDevManual/book2/page/n165 page 2-9-9 of Book II] | * Official Nintendo documentation on ALT3: 9.10 on [https://archive.org/details/SNESDevManual/book2/page/n165 page 2-9-9 of Book II] | ||
* Table 2-4-2 on [https://archive.org/details/SNESDevManual/book2/page/n110 page 2-4-4], lbid. | * Table 2-4-2 on [https://archive.org/details/SNESDevManual/book2/page/n110 page 2-4-4], lbid. | ||
* https://en.wikibooks.org/wiki/Super_NES_Programming/Super_FX_tutorial#Instruction_Set_Table | |||
[[Category:ASM]] | [[Category:ASM]] | ||
Latest revision as of 00:54, 22 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Implied (type 2) | 3F | 1 byte | 3 cycles | 3 cycles | 1 cycle | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| . | 1 | 1 | . | . | . | . | ||
ALT3 is a Super FX flag prefix instruction that sets both the ALT1 and ALT2 flags.
Unlike ALT1 and ALT2 however, ALT3 is only an instruction and not also the name of a flag itself.
Syntax
ALT3
The following instructions require ALT3:
See Also
External Links
- Official Nintendo documentation on ALT3: 9.10 on page 2-9-9 of Book II
- Table 2-4-2 on page 2-4-4, lbid.
- https://en.wikibooks.org/wiki/Super_NES_Programming/Super_FX_tutorial#Instruction_Set_Table