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ALT2: Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
* Official Nintendo documentation on ALT2: 9.9 on [https://archive.org/details/SNESDevManual/book2/page/n164 page 2-9-8 of Book II] | * Official Nintendo documentation on ALT2: 9.9 on [https://archive.org/details/SNESDevManual/book2/page/n164 page 2-9-8 of Book II] | ||
* Table 2-4-2 on [https://archive.org/details/SNESDevManual/book2/page/n110 page 2-4-4], lbid. | |||
[[Category:ASM]] | [[Category:ASM]] | ||
Revision as of 22:38, 14 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Implied (type 2) | 3E | 1 byte | 3 cycles | 3 cycles | 1 cycle | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| . | . | 1 | . | . | . | . | ||
ALT2 is both the name of a Super FX flag and the flag prefix instruction that sets it. It is bit 9 of the status flag register.
The following instructions require ALT2:
Many instructions clear the ALT2 flag.
Syntax
ALT2
See Also
External Links
- Official Nintendo documentation on ALT2: 9.9 on page 2-9-8 of Book II
- Table 2-4-2 on page 2-4-4, lbid.