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JSL: Difference between revisions
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!colspan="8"|Basic Info | !colspan="8"|Basic Info | ||
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|'''Speed''' | |'''Speed''' | ||
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| | |[[Absolute Long Addressing|Absolute Long]] | ||
|22 | |22 | ||
|4 byte | |4 byte | ||
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!colspan="9"|Flags | !colspan="9"|Flags Affected | ||
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|N | |[[Negative Flag|N]] | ||
|V | |[[Overflow Flag|V]] | ||
|M | |[[M Flag|M]] | ||
|X | |[[X Flag|X]] | ||
|D | |[[Decimal Flag|D]] | ||
|I | |[[I Flag|I]] | ||
|Z | |[[Zero Flag|Z]] | ||
|C | |[[Carry Flag|C]] | ||
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'''JSL''' (Jump to Subroutine Long) is a [[65c816]] instruction that transfers control to a subroutine, possibly one in a different [[bank]]. | |||
==== 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 === | === See Also === | ||
* [[JSR]] | * [[JSR]] | ||
* [[RTS]] | |||
=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] page on JSL: https://archive.org/details/0893037893ProgrammingThe65816/page/n486 | * [[Eyes & Lichty]] page 460 on JSL: https://archive.org/details/0893037893ProgrammingThe65816/page/n486 | ||
* [[Labiak]] page on JSL: https://archive.org/details/Programming_the_65816/page/n157 | * [[Labiak]] page 147 on JSL: https://archive.org/details/Programming_the_65816/page/n157 | ||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:65c816 additions]] | [[Category:65c816 additions]] | ||
[[Category:Unconditional Branches]] | |||
[[Category:Four-byte Instructions]] | |||
Latest revision as of 09:58, 18 December 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Absolute Long | 22 | 4 byte | 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.
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