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RTS: Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] | * [[Eyes & Lichty]], [https://archive.org/details/0893037893ProgrammingThe65816/page/496 page 496] on RTS | ||
* [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n188 page 178] on RTS | * [[Labiak]], [https://archive.org/details/Programming_the_65816/page/n188 page 178] on RTS | ||
* [[MCS6500 Manual]] page 108 on RTS: https://archive.org/details/mos_microcomputers_programming_manual/page/n127 | * [[MCS6500 Manual]] page 108 on RTS: https://archive.org/details/mos_microcomputers_programming_manual/page/n127 | ||
Revision as of 16:14, 6 August 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
- Labiak, page 178 on RTS
- 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