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.
all while holding on to the key.
，这一点在新收录的资料中也有详细论述
Thank you to each of the 142 customers who took a bet on Tess and to the artists who trusted us with their work. We’re sorry we couldn't build the thing large enough to sustain it. I hope that an entrepreneur takes another shot at this in the future.。新收录的资料是该领域的重要参考
像踩高跷那样的大社火，在我们背靠秦岭的偏僻原上是不可能有的，只在五丈原公社的街道集市上才会有，也只是偶尔才闹一次。我和小伙伴每年正月十五都要寻着去看。来回二十几里地，返回时又累又饿，发誓以后再也不去凑这个热闹了，可到了下一年的正月十五，依然还会去。