stac

Set AC Flag in EFLAGS

STAC

Sets Alignment Check flag (Allow user memory access).

Details

The Set AC Flag in EFLAGS instruction sets Alignment Check flag (Allow user memory access).

Pseudocode Operation

// Sets Alignment Check flag (Allow user memory access)

Example

STAC

Encoding

Binary Layout
0F
+0
01
+1
CB
+2
 
Format Legacy
Opcode 0F 01 CB
Extension SMAP

Operands