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
Escalation of violence between the volatile neighbours makes a Qatar-mediated ceasefire appear increasingly shaky
。新收录的资料对此有专业解读
Trump seeks $100bn for Venezuela oil, but Exxon boss says country 'uninvestable'
Reporting by Chance Townsend, Caitlin Welsh, Sam Haysom, Amanda Yeo, Shannon Connellan, Cecily Mauran, Mike Pearl, and Adam Rosenberg contributed to this article.