return from interrupt


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return from interrupt

(programming)
(RTI) An instruction mnemonic on many computers including the 6502 and 6800. The variant "RETI" is found among former Zilog Z80 hackers (almost nobody programs these things in assembly code anymore). The Intel 80x86 equivalent is "IRET".
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The return from interrupt (reti) instruction restores the processor state after trap or interrupt processing.
The reti (return from interrupt) sequence is a noninterruptible sequence which restores the system to the correct user or supervisor environment.