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
