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TO (Super FX): Difference between revisions
From SnesLab
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==== Example ==== | |||
Let: | |||
R<sub>6</sub> = 7106h | |||
R<sub>3</sub> = 0028h | |||
After executing this program: | |||
FROM R<sub>6</sub> | |||
TO R<sub>4</sub> | |||
ADD R<sub>3</sub> | |||
We have: | |||
R<sub>4</sub> = 712eh | |||
=== See Also === | === See Also === | ||
Revision as of 22:56, 9 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| 1n | 1 byte | 3 cycles | 3 cycles | 1 cycle | |||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| . | . | . | . | . | . | . | ||
TO is a Super FX register prefix instruction that specifies the destination register. Any register from R0 to R15 can be specified. The exception is when the B Flag is set (i.e. a WITH instruction is executed immediately before) in which case a MOVE is executed instead with WITH acting as the source and TO as the destination.
No flags are affected.
Syntax
TO Rn
Example
Let:
R6 = 7106h R3 = 0028h
After executing this program:
FROM R6 TO R4 ADD R3
We have:
R4 = 712eh
See Also
External Links
- Official Nintendo documentation on TO: 9.89 on page 2-9-121 of Book II
- Official Nintendo documentation on Register Prefixes: page 2-6-7 of Book II