Intel 64 and IA-32 Architectures Software Developers Manual Volume 2B, Instruction Set Reference, N-Z

Vol. 2B 4-135
INSTRUCTION SET REFERENCE, N-Z
ELSE (* OperandSize
= 16, instruction = POPA *)
DI ← Pop();
SI ← Pop();
BP ← Pop();
Increment ESP by 2; (* Skip next 2 bytes of stack *)
BX ← Pop();
DX ← Pop();
CX ← Pop();
AX ← Pop();
FI;
FI;
Flags Affected
None.
Protected Mode Exceptions
#SS(0) If the starting or ending stack address is not within the stack
segment.
#PF(fault-code) If a page fault occurs.
#AC(0) If an unaligned memory reference is made while the current
privilege level is 3 and alignment checking is enabled.
Real-Address Mode Exceptions
#SS If the starting or ending stack address is not within the stack
segment.
Virtual-8086 Mode Exceptions
#SS(0) If the starting or ending stack address is not within the stack
segment.
#PF(fault-code) If a page fault occurs.
#AC(0) If an unaligned memory reference is made while alignment
checking is enabled.
Compatibility Mode Exceptions
Same as for protected mode exceptions.
64-Bit Mode Exceptions
#UD If in 64-bit mode.