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JSL: Difference between revisions
From SnesLab
(no flags affected) |
(pluralize bytes) |
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| Line 9: | Line 9: | ||
|[[Absolute Long Addressing|Absolute Long]] | |[[Absolute Long Addressing|Absolute Long]] | ||
|22 | |22 | ||
|4 | |4 bytes | ||
|8 cycles | |8 cycles | ||
|} | |} | ||
Revision as of 22:33, 6 July 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.
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: https://archive.org/details/0893037893ProgrammingThe65816/page/n486
- Labiak page 147 on JSL: https://archive.org/details/Programming_the_65816/page/n157