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PUSHAD Push All 32-Bit GP Registers (386+)
Flags affected:
O D I T S Z A P C OF: Overflow flag TF: Trap flag AF: Aux carry
F F F F F F F F F DF: Direction flag SF: Sign flag PF: Parity flag
<none> IF: Interrupt flag ZF: Zero flag CF: Carry flag
Legal forms:
PUSHAD 386+
Examples:
PUSHAD
Notes:
PUSHA pushes all 32-bit general-purpose registers onto the stack. This instruction is present on the 386 and later CPUs and is not available in the 8086, 8088, or 286.The registers are pushed in this order:
EAX, ECX, EDX, EBX, ESP, EBP, ESI, EDI
However, note that the value of ESP pushed is the value SP had before the first register was pushed onto the stack. In the course of executing PUSHAD, the stack pointer is decremented by 32 bytes (8 registers x 4 bytes each).The EFlags register is not pushed onto the stack by PUSHAD; see PUSHFD.
r8 = AL AH BL BH CL CH DL DH r16 = AX BX CX DX BP SP SI DI
sr = CS DS SS ES FS GS r32 = EAX EBX ECX EDX EBP ESP ESI EDI
m8 = 8-bit memory data m16 = 16-bit memory data
m32 = 32-bit memory data i8 = 8-bit immediate data
i16 = 16-bit immediate data i32 = 32-bit immediate data
d8 = 8-bit signed displacement d16 = 16-bit signed displacement
d32 = 32-bit unsigned displacement
