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XOR (Super FX): Difference between revisions
From SnesLab
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Revision as of 01:07, 22 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Implied (type 1) | 3DC | 2 bytes | |||||
| Immediate | 3FC | 2 bytes | |||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0? | 0? | 0? | ? | ? | ? | ? | ||
XOR is an undocumented[dubious] (XOR is mentioned on page 2-2-7 of the Nintendo documentation) Super FX instruction that performs an exculsive or.
It probably restores the ALT0 state like OR.
The source and destination registers should be specified in advance using WITH, FROM, or TO. Otherwise, R0 serves as the default.
Syntax
XOR Rn XOR #n
See Also
References
- https://en.wikibooks.org/wiki/Super_NES_Programming/Super_FX_tutorial#Instruction_Set_Table
- Example 3 on page 2-8-10 of Book II of the official Super Nintendo development manual