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RET (SPC700): Difference between revisions
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{| class="wikitable" style="float:right;clear:right;width: | {| class="wikitable" style="float:right;clear:right;width:40%" | ||
!colspan="8"|Basic Info | !colspan="8"|Basic Info | ||
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|'''Speed''' | |'''Speed''' | ||
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| | |[[Stack Addressing | Stack]] | ||
|6F | |6F | ||
|1 byte | |1 byte | ||
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{| class="wikitable" style="float:right;clear:right;width:30%" | {| class="wikitable" style="float:right;clear:right;width:30%" | ||
!colspan="8"|Flags | !colspan="8"|Flags Affected | ||
|+ | |+ | ||
|N | |[[Negative Flag|N]] | ||
|V | |[[Overflow Flag|V]] | ||
|P | |[[Direct Page Flag|P]] | ||
|B | |[[Break Flag|B]] | ||
|H | |[[Half-Carry Flag|H]] | ||
|I | |[[Interrupt Enable Flag|I]] | ||
|Z | |[[Zero Flag|Z]] | ||
|C | |[[Carry Flag|C]] | ||
|+ | |+ | ||
|. | |. | ||
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|} | |} | ||
'''RET''' (RETurn) is an [[SPC700]] instruction that returns from a subroutine. | '''RET''' (RETurn) is an [[SPC700]] instruction that returns from a subroutine. The [[program counter]] is popped from the [[stack]]. | ||
No flags are affected. | |||
==== Syntax ==== | |||
<pre> | |||
RET | |||
</pre> | |||
The subroutine is usually called using [[CALL]], [[TCALL]], or [[PCALL]]. | |||
=== See Also === | === See Also === | ||
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=== References === | === References === | ||
* [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I] of the official Super Nintendo development manual | * Table C-16 in [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I] of the official Super Nintendo development manual | ||
* anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L546 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:SPC700]] | [[Category:SPC700]] | ||
[[Category:Subroutine Call Return Commands]] | |||
[[Category:One-byte Instructions]] | |||
Latest revision as of 21:58, 10 August 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Stack | 6F | 1 byte | 5 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | . | . | . |
RET (RETurn) is an SPC700 instruction that returns from a subroutine. The program counter is popped from the stack.
No flags are affected.
Syntax
RET
The subroutine is usually called using CALL, TCALL, or PCALL.
See Also
References
- Table C-16 in Appendix C-9 of Book I of the official Super Nintendo development manual
- anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L546