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LINK: Difference between revisions
From SnesLab
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'''LINK''' is a [[Super FX]] instruction that stores the sum of R<sub>15</sub> (program counter) and an immediate value (n) into R<sub>11</sub>. The operand n is the low nybble of the opcode and may be any integer from 1~4. | '''LINK''' is a [[Super FX]] instruction that stores the sum of R<sub>15</sub> (program counter) and an immediate value (n) into R<sub>11</sub>. The operand n is the low nybble of the opcode and may be any integer from 1~4. | ||
LINK can be used to store a [[return address]] into R<sub>11</sub> when jumping to a subroutine. | |||
=== See Also === | === See Also === | ||
Revision as of 21:25, 29 June 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Immediate | 9n | 1 byte | 3 cycles | 3 cycles | 1 cycle | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | . | . | . | ||
LINK is a Super FX instruction that stores the sum of R15 (program counter) and an immediate value (n) into R11. The operand n is the low nybble of the opcode and may be any integer from 1~4.
LINK can be used to store a return address into R11 when jumping to a subroutine.
See Also
External Links
- Official Nintendo documentation on LINK: Page 2-9-68 of Book II