Chapter: Microprocessor and Microcontroller : 8086 Microprocessor

8086 Microprocessor Assembly language programming

ALP for addition of two 8-bit numbers ALP for Subtraction of two 8-bit, ALP for Multiplication of two 8-bit numbers, ALP for Subtraction of two 16-bit numbers

ASSEMBLY LANGUAGE PROGRAMMING

ALP for addition of two 8-bit numbers ALP for Subtraction of two 8-bit

DATA SEGMENT numbers

VAR1 DB 85H DATA SEGMENT

VAR2 DB 32H VAR1 DB 53H

RES DB? VAR2 DB 2AH

DATA ENDS RES DB?

ASSUME CS:CODE, DS:DATA DATA ENDS

CODE SEGMENT ASSUME CS:CODE,DS:DATA

START: MOV AX, DATA CODE SEGMENT

MOV DS, AX START: MOV AX,DATA

MOV AL, VAR1 MOV DS,AX

MOV BL, VAR2 MOV AL,VAR1

ADD AL, BL MOV BL,VAR2

MOV RES, AL SUB AL,BL

MOV AH, 4CH MOV RES,AL

INT 21H MOV AH,4CH

CODE ENDS INT 21H

END START CODE ENDS

END START

ALP for Multiplication of two 8-bit numbers

DATA SEGMENT

VAR1 DB 0EDH

VAR2 DB 99H

RES DW?

DATA ENDS

ASSUME CS: CODE, DS:DATA

CODE SEGMENT

START: MOV AX, DATA

MOV DS, AX

MOV AL, VAR1

MOV BL, VAR2

MUL BL

MOV RES, AX

MOV AH, 4CH

INT 21H

CODE ENDS

END START

ALP for division of 16-bit number with 8-bit number

DATA SEGMENT

VAR1 DW 6827H

VAR2 DB 0FEH

QUO DB?

REM DB?

DATA ENDS

ASSUME CS:CODE,DS:DATA

CODE SEGMENT

START: MOV AX, DATA

MOV DS, AX

MOV AX, VAR1

DIV VAR2

MOV QUO, AL

MOV REM, AH

MOV AH, 4CH

INT 21H

CODE ENDS

END START

ALP for Subtraction of two 16-bit numbers

DATA SEGMENT

VAR1 DW 8560H

VAR2 DW 3297H

RES DW?

DATA ENDS

ASSUME CS: CODE,DS:DATA

CODE SEGMENT

START: MOV AX, DATA

MOV DS, AX

MOV AX, VAR1

CLC

SUB AX, VAR2

MOV RES, AX

MOV AH, 4CH

INT 21H

CODE ENDS

END START

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Microprocessor and Microcontroller : 8086 Microprocessor : 8086 Microprocessor Assembly language programming |