STOS - Store Instruction

The STOS instruction is used to store data in the address at DI.

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

STOS AL ; 8 bit version stores 1 BYTE from AL to the
; address at DI AA

STOS AX ; 16 bit version stores 1 WORD from AX to the
; address at DI AB

STOSB ; 8 bit version stores 1 BYTE from AL to the
; address at DI AA

STOSW ; 16 bit version stores 1 WORD from AX to the
; address at DI AB

Assembly Sample	Description	16 bit Machine Code
STOS AL	; 8 bit version stores 1 BYTE from AL to the ; address at DI	AA
STOS AX	; 16 bit version stores 1 WORD from AX to the ; address at DI	AB
STOSB	; 8 bit version stores 1 BYTE from AL to the ; address at DI	AA
STOSW	; 16 bit version stores 1 WORD from AX to the ; address at DI	AB