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RTL: Difference between revisions
From SnesLab
(works in 6502 emulation mode) |
(→External Links: hid archive URL) |
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=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] page 494, on RTL: https://archive.org/details/0893037893ProgrammingThe65816/page/494 | * [[Eyes & Lichty]] page 494, on RTL: https://archive.org/details/0893037893ProgrammingThe65816/page/494 | ||
* [[Labiak]] | * [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n187 page 177] on RTL | ||
* snes9x implementation of RTL: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2879 | * snes9x implementation of RTL: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2879 | ||
* Clark, Bruce. http://www.6502.org/tutorials/65c816opcodes.html#6.2.2.2 | * Clark, Bruce. http://www.6502.org/tutorials/65c816opcodes.html#6.2.2.2 | ||
Revision as of 04:28, 6 August 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Stack (RTL) | 6B | 1 byte | 6 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |
RTL (Return from Subroutine Long) is a 65c816 instruction used to return control from a subroutine that may have been called from a different bank.
No flags are affected.
Syntax
RTL
RTL works even in emulation mode, but it is intended primarily for native mode.
See Also
External Links
- Eyes & Lichty page 494, on RTL: https://archive.org/details/0893037893ProgrammingThe65816/page/494
- Labiak, page 177 on RTL
- snes9x implementation of RTL: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2879
- Clark, Bruce. http://www.6502.org/tutorials/65c816opcodes.html#6.2.2.2