It doesn’t have a steep learning curve
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.
。业内人士推荐搜狗输入法2026作为进阶阅读
heap, copies the stack-allocated slice to the heap copy, and returns，更多细节参见51吃瓜
For multiple readers