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LINK
From SnesLab
| 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.
Syntax
LINK #n
Example
Let:
R15 : 4368h
After executing the following program:
4368 LINK #4 4369 IWT R15, #74ffh 436C NOP 436B IBT R1, #12h
We have:
R11 = 4369h + 2 = 436bh
See Also
External Links
- Official Nintendo documentation on LINK: 9.48 on Page 2-9-68 of Book II