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JMP (Super FX): Difference between revisions
From SnesLab
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JMP Rn | JMP Rn | ||
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==== Example ==== | |||
Let: | |||
R<sub>10</sub> = 0555h | |||
After executing the following program: | |||
PC Opcode | |||
0444h JMP R<sub>10</sub> | |||
0445h INC R<sub>10</sub> | |||
The jump destination is 0555h. | |||
=== See Also === | === See Also === | ||
Revision as of 22:14, 8 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| 9n | 1 byte | 3 cycles | 3 cycles | 1 cycle | |||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | . | . | . | ||
JMP is a Super FX instruction that performs a jump. The target address can come from any register from R8 to R13.
The instruction following JMP is already in the pipeline and will be run before the instruction at the destination address.
Syntax
JMP Rn
Example
Let:
R10 = 0555h
After executing the following program:
PC Opcode 0444h JMP R10 0445h INC R10
The jump destination is 0555h.
See Also
External Links
- Official Nintendo documentation on JMP: 9.44 on page 2-9-63 of Book II