= R =
RTI /R-T-I/ interj.
The mnemonic for the `return from
interrupt' instruction on many computers including the 6502 and
6800. The variant `RETI' is found among Z80 hackers.
Equivalent to "Now, where was I?" or used to end a
conversational digression. See pop; see also POPJ.
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.