http://learn.cemetech.net/index.php?action=history&feed=atom&title=Z80%3AOpcodes%3ARETZ80:Opcodes:RET - Revision history2026-05-28T05:44:59ZRevision history for this page on the wikiMediaWiki 1.43.3http://learn.cemetech.net/index.php?title=Z80:Opcodes:RET&diff=326&oldid=prevMaintenance script: Initial automated import2016-02-05T22:43:07Z<p>Initial automated import</p>
<p><b>New page</b></p><div><!-- Short summary of instruction --><br />
Pops the top of the stack into the program counter. Note that RET can be either conditional or unconditional.<br />
<br />
== Syntax ==<br />
<br />
<!-- Syntax for this instruction --><br />
<br />
ret ;no conditions<br />
ret cond. ;conditional<br />
<br />
=== Allowed Instructions ===<br />
<br />
<!-- All possible inputs --><br />
<br />
ret z ; Z flag is set<br />
ret nz ; Z flag is reset<br />
ret c ; Carry flag is set<br />
ret nc ; Carry flag is reset<br />
ret m ; S flag is set<br />
ret p ; S flag is reset<br />
ret pe ; P/V is set<br />
ret po ; P/V is reset<br />
<br />
== Effects ==<br />
<br />
<!-- What the instruction does to flags --><br />
Preserves all flags.<br />
<br />
== Uses ==<br />
<br />
<!-- What the instruction can be used for --><br />
RET is used mostly for exiting an assembly program or returning from a routine.<br />
<br />
== T-States ==<br />
cc is condition: NZ, Z, NC, C, PO, PE, P, M<br />
{| class="wikitable"<br />
| ret || 10 <br />
|}<br />
<br />
{| class="wikitable"<br />
| || condition true || condition false <br />
|-<br />
| ret cc || 11 || 5 <br />
|}<br />
<br />
== See Also ==<br />
<br />
<!-- Other instructions that are related to this one --><br />
[[Z80:Opcodes:BIT|BIT]],[[Z80:Opcodes:CALL|CALL]],[[Z80:Opcodes:CP|CP]],[[Z80:Opcodes:CPD|CPD]],[[Z80:Opcodes:CPDR|CPDR]],[[Z80:Opcodes:CPI|CPI]],[[Z80:Opcodes:CPIR|CPIR]],[[Z80:Opcodes:RETI|RETI]],[[Z80:Opcodes:RETN|RETN]]<br />
<br />
{{lowercase}}<br />
[[Category:Z80 Assembly]]<br />
[[Category:Z80 Heaven]]<br />
[[Category:Z80 Opcodes]]</div>Maintenance script