http://learn.cemetech.net/index.php?action=history&feed=atom&title=Z80%3AOpcodes%3ALDIRZ80:Opcodes:LDIR - Revision history2026-05-03T00:37:35ZRevision history for this page on the wikiMediaWiki 1.43.3http://learn.cemetech.net/index.php?title=Z80:Opcodes:LDIR&diff=280&oldid=prevMaintenance script: Initial automated import2016-02-05T22:10:37Z<p>Initial automated import</p>
<p><b>New page</b></p><div><!-- Short summary of instruction --><br />
Repeats [[Z80:Opcodes:LDI|LDI]] (LD (DE),(HL), then increments DE, HL, and decrements BC) until BC=0. Note that if BC=0 before this instruction is called, it will loop around until BC=0 again.<br />
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== Syntax ==<br />
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<!-- Syntax for this instruction --><br />
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LDIR<br />
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== Effects ==<br />
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<!-- What the instruction does to flags --><br />
P/V is reset.<br />
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== Uses ==<br />
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<!-- What the instruction can be used for --><br />
Copying sections of data.<br />
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== T-States ==<br />
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{| class="wikitable"<br />
| BC == 0 || 21 <br />
|-<br />
| BC != 0 || 16 <br />
|}<br />
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== See Also ==<br />
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<!-- Other instructions that are related to this one --><br />
[[Z80:Opcodes:LD|LD]],[[Z80:Opcodes:LDD|LDD]],[[Z80:Opcodes:LDDR|LDDR]],[[Z80:Opcodes:LDI|LDI]]<br />
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{{lowercase}}<br />
[[Category:Z80 Assembly]]<br />
[[Category:Z80 Heaven]]<br />
[[Category:Z80 Opcodes]]</div>Maintenance script