Popf instruction in 8086

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When operating in virtual-8086 mode (EFLAGS.VM = 1) without the virtual-8086 mode extensions (CR4.VME = 0), the POPF/POPFD instructions can be used only if VME = 1), POPF (but not POPFD) can be executed in virtual-8086 mode with IOPL < 3. Shift and Rotate Instructions in 8086 Microprocessor.Assuming you're talking about the Intel x86 instruction set, PUSHF pushes the entire set of flags, the entire contents of the 16-bit FLAGS register, The POPF (POPFD) instruction pops a word (doubleword) from the stack into the Flags Register and then increments SP by 2 (4). Usage POPF. POPFD. Flags None. (These instructions reverse the operation of the POPF/POPFD instructions.) When in virtual-8086 mode and the I/O privilege level (IOPL) is less than 3, PUSH and POP instruction: These instructions are used to copy a word on top of the stack or remove the word from top of the stack in the register specified. The 8086/8088MP Note: PUSHF / POPF have no operands WORD: This instruction copies a byte or a word from location in the data. POPF/POPFD pops the word or doubleword on the top of the stack and stores the value in the flags register. If the operand-size attribute of the instruction is