http://learn.cemetech.net/index.php?action=history&feed=atom&title=Z80%3AOpcodes%3ARSTZ80:Opcodes:RST - Revision history2026-07-27T00:44:20ZRevision history for this page on the wikiMediaWiki 1.43.3http://learn.cemetech.net/index.php?title=Z80:Opcodes:RST&diff=261&oldid=prevMaintenance script: Initial automated import2016-02-05T22:00:37Z<p>Initial automated import</p>
<p><b>New page</b></p><div><!-- Short summary of instruction --><br />
The current PC value plus three is pushed onto the stack. The MSB is loaded with $00 and the LSB is loaded with imm8.<br />
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== Syntax ==<br />
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<!-- Syntax for this instruction --><br />
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RST imm8<br />
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=== Allowed Instructions ===<br />
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<!-- All possible inputs --><br />
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RST $00<br />
RST $08 ;rOP1ToOP2<br />
RST $10 ;rFindSym<br />
RST $18 ;rPushRealO1<br />
RST $20 ;rMove9ToOP1<br />
RST $28 ;rBCALL<br />
RST $30 ;rFPAdd<br />
RST $38<br />
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== Effects ==<br />
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<!-- What the instruction does to flags --><br />
All flags unaffected.<br />
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== Uses ==<br />
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<!-- What the instruction can be used for --><br />
RST $28 is used by TI calculators for ROM calls.<br />
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#define bcall(label) rst $28 \ .dw label<br />
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== T-States ==<br />
11 t-states<br />
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== See Also ==<br />
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<!-- Other instructions that are related to this one --><br />
[[Z80:Opcodes:DI|DI]],[[Z80:Opcodes:EI|EI]],[[Z80:Opcodes:IM|IM]],[[Z80:Opcodes:RET|RET]],[[Z80:Opcodes:RETI|RETI]],[[Z80:Opcodes:RETN|RETN]]<br />
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{{lowercase}}<br />
[[Category:Z80 Assembly]]<br />
[[Category:Z80 Heaven]]<br />
[[Category:Z80 Opcodes]]</div>Maintenance script