rep stos

Repeat Store String

REP STOS m

Fills [EDI] with AL/AX/EAX for ECX repeats.

Details

The Repeat Store String instruction fills [EDI] with AL/AX/EAX for ECX repeats.

Pseudocode Operation

// Fills [EDI] with AL/AX/EAX for ECX repeats

Example

REP STOS m

Encoding

Binary Layout
F3
+0
 
Format Legacy
Opcode F3 AA/AB
Extension Base

Operands

  • dest
    Implicit memory destination for STOS (ES:[DI])