JIO_OK ("jump if I/O OK") tests whether CPL ≤ IOPL. The same check gates PUSHF, POPF, INT n, and IRET. The monitor then emulates each instruction as appropriate: maintaining a virtual interrupt flag per V86 task, reflecting software interrupts through the real-mode interrupt vector table, virtualizing I/O accesses, and so on.
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"As adults, we overthink: 'How am I coming across? How's everyone perceiving me?'," she says.
However, more than half of those which no longer accepted cash had taken that decision within the last year.