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FROM (Super FX): Difference between revisions
From SnesLab
(no flags affected) |
(Added connection to the B Flag and MOVE.) |
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'''FROM''' is a [[Super FX]] register prefix instruction that specifies the [[source register]]. | '''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 affected. | No flags are affected. | ||
=== See Also === | === See Also === | ||
* [[TO]] | * [[TO (Super FX)]] | ||
* [[WITH]] | * [[WITH (Super FX)]] | ||
* [[MOVES (Super FX)]] | |||
=== External Links === | === External Links === | ||
* Official Nintendo documentation on FROM: [https://archive.org/details/SNESDevManual/book2/page/n204 Page 2-9-48 of Book II] | * Official Nintendo documentation on FROM: [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]] | ||
Revision as of 19:08, 30 June 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: Page 2-9-48 of Book II
- Official Nintendo documentation on Register Prefixes: page 2-6-7 of Book II