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FROM (Super FX): Difference between revisions
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!colspan="8"|Basic Info | !colspan="8"|Basic Info | ||
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!colspan="9"|Flags | !colspan="9"|Flags Affected | ||
|+ | |+ | ||
|B | |[[B Flag|B]] | ||
|ALT1 | |[[ALT1]] | ||
|ALT2 | |[[ALT2]] | ||
|O/V | |[[O/V]] | ||
|S | |[[Sign Flag|S]] | ||
|CY | |[[CY]] | ||
|Z | |Z | ||
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'''FROM''' is a [[Super FX]] register prefix instruction that specifies the [[source register]]. The exception is when the [[B Flag]] is set (i.e. a [[WITH]] instruction is executed immediately before) in which case a [[MOVES]] is executed instead with WITH acting as the source and FROM as the destination. | |||
No flags are affected. | |||
=== See Also === | |||
* [[TO (Super FX)]] | |||
* [[WITH (Super FX)]] | |||
* [[MOVES (Super FX)]] | |||
=== External Links === | === External Links === | ||
* Official Nintendo documentation on FROM: https://archive.org/details/SNESDevManual/book2/page/n204 | * Official Nintendo documentation on FROM: 9.34 on [https://archive.org/details/SNESDevManual/book2/page/n204 page 2-9-48 of Book II] | ||
* Official Nintendo documentation on Register Prefixes: [https://archive.org/details/SNESDevManual/book2/page/n129 page 2-6-7 of Book II] | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Super FX]] | [[Category:Super FX]] | ||
[[Category:Register Prefix Instructions]] | [[Category:Register Prefix Instructions]] | ||
[[Category:One-byte Instructions]] | |||
Latest revision as of 20:51, 1 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
| Bn | 1 byte | 3 cycles | 3 cycles | 1 cycle | |||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| . | . | . | . | . | . | . | ||
FROM is a Super FX register prefix instruction that specifies the source register. The exception is when the B Flag is set (i.e. a WITH instruction is executed immediately before) in which case a MOVES is executed instead with WITH acting as the source and FROM as the destination.
No flags are affected.
See Also
External Links
- Official Nintendo documentation on FROM: 9.34 on page 2-9-48 of Book II
- Official Nintendo documentation on Register Prefixes: page 2-6-7 of Book II