The solution is trap-and-emulate, the same principle later generalized in hardware virtualization extensions. V86 mode adds a special rule: since V86 tasks always run at CPL=3, if the OS sets IOPL
Additional reporting by Emma Calder
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3. Web documentation is written for JavaScript developers，这一点在一键获取谷歌浏览器下载中也有详细论述
Josh Dury said it was a "battle against time" to get the shot，详情可参考safew官方下载