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JSL: Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] | * [[Eyes & Lichty]], [https://archive.org/details/0893037893ProgrammingThe65816/page/460 page 460] on JSL | ||
* [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n157 page 147] on JSL | * [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n157 page 147] on JSL | ||
Revision as of 16:12, 6 August 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Absolute Long | 22 | 4 bytes | 8 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |
JSL (Jump to Subroutine Long) is a 65c816 instruction that transfers control to a subroutine, possibly one in a different bank.
No flags are affected.
Syntax
JSL long
JSL works even in emulation mode, but it is intended primarily for native mode.
Execution Sequence
- the current program counter bank is pushed onto the stack
- the return address is pushed onto the stack
- control is transferred to the target location
See Also
External Links
- Eyes & Lichty, page 460 on JSL
- Labiak, page 147 on JSL