POPA
No operands
Pop all general purpose registers DI, SI, BP, SP, BX, DX, CX, AX from the
stack. SP value is ignored, it is Popped but not set to SP register).
Note: this instruction works only on 80186 CPU and later!
Algorithm:
POP DI
POP SI
POP BP
POP xx (SP value ignored)
POP BX
POP DX
POP CX
POP AX
Flags:
C Z S O P A
unchanged