scasw

Scan String Word

SCASW

Compares AX with memory at [EDI].

Details

The Scan String Word instruction compares AX with memory at [EDI].

Pseudocode Operation

Flags <- rAX - Memory[RDI]; RDI += size

Example

SCASW

Encoding

Binary Layout
66
+0
AF
+1
 
Format Legacy
Opcode 66 AF
Extension Base

Operands