x86 Trap Flag during IRET in VME?
Posted on 2024-04-21, 22:35
What is the real behaviour of the trap flag during IRET in VME mode? When the trap flag is set during a Virtual 8086 mode 16-bit IRET instruction (by the value popped into the FLAGS register's 13 bits (IOPL, Interrupt flag(popped into VIF instead) (and Virtual 8086 mode flag as well, but isn't …