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RTS: Difference between revisions
From SnesLab
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* snes9x implementation of RTS: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2982 | * snes9x implementation of RTS: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2982 | ||
* Pickens, John. http://www.6502.org/tutorials/6502opcodes.html#RTS | * Pickens, John. http://www.6502.org/tutorials/6502opcodes.html#RTS | ||
* Clark, Bruce. http://www.6502.org/tutorials/65c816opcodes.html#6.2.2.2 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
Revision as of 01:43, 24 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Stack (RTS) | 60 | 1 byte | 6 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |
RTS (Return from Subroutine) is a 65c816 instruction used to return control from a subroutine that was called from the same bank.
RTS pulls the return address from the stack, but increments the value by one before loading it into the program counter.
No flags are affected.
Syntax
RTS
Forgetting to RTS can cause derailment.
See Also
External Links
- Eyes & Lichty page 496, on RTS: https://archive.org/details/0893037893ProgrammingThe65816/page/496
- Labiak page 178 on RTS: https://archive.org/details/Programming_the_65816/page/n188
- MCS6500 Manual page 108 on RTS: https://archive.org/details/mos_microcomputers_programming_manual/page/n127
- Carr page 271 on RTS: https://archive.org/details/6502UsersManual/page/n284
- Leventhal page 3-90 on RTS: https://archive.org/details/6502-assembly-language-programming/page/n139
- snes9x implementation of RTS: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2982
- Pickens, John. http://www.6502.org/tutorials/6502opcodes.html#RTS
- Clark, Bruce. http://www.6502.org/tutorials/65c816opcodes.html#6.2.2.2