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.
5The same properties also contributed to Nazi Germany’s strategy against agar’s scarcity, which — besides being supplied from Japan by submarine — relied on large pre-war stocks and on recovery methods to reuse bacteriological agar by autoclaving (boiling at around 121°C, 250°F, in a pressurized container for 30 to 60 minutes), thus liquefying and sterilizing the jelly, before purifying it again.
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If Amazon is aiming to keep the Big Spring Sale strictly within March as it has in years past, the 2026 Big Spring Sale would likely run through Tuesday, March 23, or Wednesday, March 24, to Sunday, March 29. Amazon extended the sale by a day in 2025, so it's possible that we'll see yet another day tacked on this year.
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