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
习近平总书记始终以伟大的历史主动精神，带领全党进行具有许多新的历史特点的伟大斗争，激励广大党员干部挺起脊梁、冲锋在前，在战风险、迎挑战中经受考验，在直面问题、破解难题中开创新局。，详情可参考同城约会
。Line官方版本下载对此有专业解读
Saver Plan: $9/month, $90/year，更多细节参见Line官方版本下载
It was Christmas Eve 1968.