16bit Assembly Instruction Set

16 bit Assembly

SCAS - Compare Instruction

The SCAS instruction is used to compare the contents of AL or AX with data at the address of SI. This instruction is typically used with a CX counter and either REP or LOOP to repeat the task mutltiple times.

This command has 1 part the Instruction.

Assembly Sample Description 16 bit
Machine Code

SCASB ; 8 bit version
Find character NOT matching value of AL AA

SCASW ; 16 bit version
Find character NOT matching value of AX AB

Assembly Sample	Description	16 bit Machine Code
SCASB	; 8 bit version Find character NOT matching value of AL	AA
SCASW	; 16 bit version Find character NOT matching value of AX	AB

Last Update 06/02/2023