Digital electronics and microprocessor.

PROGRAM-1

;WRITE A PROGRAM IN ASSEMBLY LANGUAGE TO FIND ADDITION OF 8-BIT NUMBER

DATA SEGMENT

A  DB 3H

B  DB 4H

C  DB (?)

DATA ENDS

CODE SEGMENT

ASSUME DS:DATA,CS:CODE

START:MOV AX,DATA

MOV DS,AX

MOV AL,A

ADD AL,B

MOV C,AL

MOV AX,4C00H

INT 21H

CODE ENDS

END START

***********************OUTPUT**************************

0B49:0000  03 04 07 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0010  B8 49 0B 8E D8 A0 00 00-02 06 01 00 A2 02 00 B8   .I..............

0B49:0020  00 4C CD 21 AF 01 05 00-00 00 00 00 00 00 00 00   .L.!............

0B49:0030  69 00 00 00 69 00 00 00-7F 02 7F 01 0D 02 00 00  

i...i........... 0B49:0040  03 00 01 00 89 01 00 00-00 00 00 00 00 00 00 00   ................

0B49:0050  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0060  00 00 4B 01 23 04 00 00-00 00 00 00 00 00 00 00   ..K.#...........

0B49:0070  00 00 50 41 54 48 3D 44-50 4D 49 4D 45 4D 2E 44  

..PATH=DPMIMEM.D

;WRITE A PROGRAM IN ASSEMBLY LANGUAGE TO FIND SUBTRACTION OF TWO 8-BIT

NUMBER

DATA SEGMENT

A  DB 7H

B  DB 3H

C  DB (?)

DATA ENDS

CODE SEGMENT

ASSUME DE:DATA,CS:CODE

START:MOV AX,DATA

MOV DS,AX

MOV AX,A

SUB AX,B

MOV C,AX

MOV AX,4C00H

INT 21H

CODE ENDS

END START

****************OUTPUT****************

0B49:0000  07 03 04 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0010  B8 49 0B 8E D8 A0 00 00-2A 06 01 00 A2 02 00 B8   .I......*.......

0B49:0020  00 4C CD 21 AF 01 05 00-00 00 00 00 00 00 00 00   .L.!............

0B49:0030  69 00 00 00 69 00 00 00-7F 02 7F 01 0D 02 00 00  

i...i........... 0B49:0040  03 00 01 00 89 01 00 00-00 00 00 00 00 00 00 00   ................

0B49:0050  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0060  00 00 4B 01 23 04 00 00-00 00 00 00 00 00 00 00   ..K.#...........

0B49:0070  00 00 50 41 54 48 3D 44-50 4D 49 4D 45 4D 2E 44  

..PATH=DPMIMEM.D

;WRITE A PROGRAM IN ASSEMBLY LANGUAGE TO FIND MULTIPLICATION OF TWO

NUMBER

DATA SEGMENT

A  DW 5H

B  DW 2H

C  DW (?)

DATA ENDS

CODE SEGMENT

ASSUME DS:DATA,CS:CODE

START:MOV AX,DATA

MOV DS,AX

MOV AX,A

MUL B

MOV C,AX

MOV AX,4C00H

INT 21H

CODE ENDS

END START

-----------------OUTPUT-------------------

0B49:0000  05 00 02 00 0A 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0010  B8 49 0B 8E D8 A1 00 00-F7 26 02 00 A3 04 00 B8   .I.......&......

0B49:0020  00 4C CD 21 AF 01 05 00-00 00 00 00 00 00 00 00   .L.!............

0B49:0030  69 00 00 00 69 00 00 00-7F 02 7F 01 0D 02 00 00  

i...i........... 0B49:0040  03 00 01 00 89 01 00 00-00 00 00 00 00 00 00 00   ................

0B49:0050  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0060  00 00 4B 01 23 04 00 00-00 00 00 00 00 00 00 00   ..K.#...........

0B49:0070  00 00 50 41 54 48 3D 44-50 4D 49 4D 45 4D 2E 44  

..PATH=DPMIMEM.D

; WRITE A PROGRAM IN ASSEMBLY LANGUAGE TO FIND DIVISION OF TWO NUMBER

DATA SEGMENT

A  DW 4H

B  DW 2H

C  DW (?)

DATA ENDS

CODE SEGMENT

ASSUME DS:DATA,CS:CODE

START:MOV AX,DATA

MOV DS,AX

MOV AX,A

DIV B

MOV C,AX

MOV AX,4C00H

INT 21H

CODE ENDS

END START

-----------------OUTPUT-------------------

0B49:0000  04 00 02 00 02 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0010  B8 49 0B 8E D8 A1 00 00-F7 36 02 00 A3 04 00 B8   .I.......6......

0B49:0020  00 4C CD 21 AF 01 05 00-00 00 00 00 00 00 00 00   .L.!............

0B49:0030  69 00 00 00 69 00 00 00-7F 02 7F 01 0D 02 00 00  

i...i........... 0B49:0040  03 00 01 00 89 01 00 00-00 00 00 00 00 00 00 00   ................

0B49:0050  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0060  00 00 4B 01 23 04 00 00-00 00 00 00 00 00 00 00   ..K.#...........

0B49:0070  00 00 50 41 54 48 3D 44-50 4D 49 4D 45 4D 2E 44  

..PATH=DPMIMEM.D

;WRITE A PROGRAM IN ASSEMBLY LANGUAGE TO SOLVE EQUATION:Z=(A+B)-(C+D)

DATA SEGMENT

A  DW 5H

B  DW 5H

C  DW 3H

D  DW 2H

E  DW (?)

F  DW (?)

Z DW (?)

DATA ENDS

CODE SEGMENT

ASSUME DS:DATA,CS:CODE

START:MOV AX,DATA

MOV DS,AX

MOV AX,A

ADD AX,B

MOV E,AX

MOV AX,C

ADD AX,D

MOV F,AX

MOV AX,E

MOV AX,F

MOV Z,AX

MOV AX,4C00H

INT 21H

CODE ENDS

END START

-----------------OUTPUT-------------------

0B49:0000  05 00 05 00 03 00 02 00-0A 00 05 00 05 00 00 00   ................

0B49:0010  B8 49 0B 8E D8 A1 00 00-03 06 02 00 A3 08 00 A1   .I..............

0B49:0020  04 00 03 06 06 00 A3 0A-00 A1 08 00 A1 0A 00 A3   ................

0B49:0030  0C 00 B8 00 4C CD 21 00-7F 02 7F 01 0D 02 00 00   ....L.!.........

0B49:0040  03 00 01 00 89 01 00 00-00 00 00 00 00 00 00 00   ................

0B49:0050  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0060  00 00 4B 01 23 04 00 00-00 00 00 00 00 00 00 00   ..K.#...........

0B49:0070  00 00 50 41 54 48 3D 44-50 4D 49 4D 45 4D 2E 44  

..PATH=DPMIMEM.D

PROGRAM-6 ;WRITE A PROGRAM IN ASSEMBLY LANGUAGE TO DISPLAY MESSAGE ON SCREEN

DATA SEGMENT

MSG DB  'HAPPY BIRTHDAY'

DATA ENDS

CODE SEGMENT

ASSUME DS:DATA,CS:CODE

ORG 100H

START:MOV AX,DATA

MOV DS,AX

MOV AX,09H

MOV DX,OFFSET MSG

MOV AX,4C00H

INT 21H

CODE ENDS

END START

-----------------OUTPUT-------------------

0B49:0000  48 41 50 50 59 20 42 49-52 54 48 44 41 59 00 00   HAPPY BIRTHDAY..

0B49:0010  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0020  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0030  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0040  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0050  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0060  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0070  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

PROGRAM-7

;WRITE A PROGRAM IN ASSEMBLY LANGUAGE TO DISPLAY 'A' ON THE SCREEN

DATA SEGMENT

CHAR DB 'A'

DATA SEGMENT

CODE SEGMENT

ASSUME DS:DATA,CS:CODE

START:MOV AX,DATA

MOV DS,AX

MOV CX,255

LEA DX,CHAR

MOV AX,09H

MOV AX,4C00H

INT 21H

CODE ENDS

END START

-----------------OUTPUT-------------------

0B49:0000  44 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   A............... 0B49:0010  B8 49 0B 8E D8 B9 41 00-BA 00 00 B8 09 00 B8 00   .I....A.........

0B49:0020  4C CD 21 03 AF 01 05 00-00 00 00 00 00 00 00 00   L.!............. 0B49:0030  69 00 00 00 69 00 00 00-7F 02 7F 01 0D 02 00 00  

i...i........... 0B49:0040  03 00 01 00 89 01 00 00-00 00 00 00 00 00 00 00   ................

0B49:0050  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0060  00 00 4B 01 23 04 00 00-00 00 00 00 00 00 00 00   ..K.#...........

0B49:0070  00 00 50 41 54 48 3D 44-50 4D 49 4D 45 4D 2E 44  

..PATH=DPMIMEM.D

PROGRAM-8

; WRITE A PROGRAM IN ASSEMBLY LANGUAGE TO FIND OUT LARGEST OF THREE

NUMBERS

DATA SEGMENT

A  DW 3H

B  DW 4H

C  DW 2H

RESULT DW (?)

DATA ENDS

CODE SEGMENT

ASSUME CS:CODE,DS:DATA

START:MOV AX,DATA

MOV DS,AX

MOV AX,A

MOV AX,B      

CMP AX,B

JG XXX  ;JUMP ON XXX IF GREATER

XXX:COMP AX,C

JG  YYY ;JUMP ON YYY IF GREATER FOR RESULT

YYY:MOV RESULT,AX

MOV AX,400H

INT 21H

CODE ENDS

END START

-----------------OUTPUT-------------------

0B49:0000  03 00 04 00 02 00 04 00-00 00 00 00 00 00 00 00   ................

0B49:0010  B8 49 0B 8E D8 A1 00 00-A1 02 00 3B 06 02 00 7F   .I.........;....

0B49:0020  00 3B 06 04 00 7F 00 A3-06 00 B8 00 04 CD 21 00   .;............!.

0B49:0030  69 00 00 00 69 00 00 00-7F 02 7F 01 0D 02 00 00  

i...i........... 0B49:0040  03 00 01 00 89 01 00 00-00 00 00 00 00 00 00 00   ................

0B49:0050  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0060  00 00 4B 01 23 04 00 00-00 00 00 00 00 00 00 00   ..K.#...........

0B49:0070  00 00 50 41 54 48 3D 44-50 4D 49 4D 45 4D 2E 44   ..PATH=DPMIMEM.

PROGRAM-9

;WRITE A PROGRAM IN ASSEMBLY LANGUAGE TO FIND SMALLEST OF THREE

NUMBERS

DATA SEGMENT

A  DW 3H

B  DW 4H

C  DW 2H

RESULT DW (?)

DATA ENDS

CODE SEGMENT

ASSUME CS:CODE,DS:DATA

START:MOV AX,DATA

MOV DS,AX

MOV AX,A

MOV AX,B      

CMP AX,B

JL   XXX         ;JUMP ON XXX IF SMALLER

XXX:CMP AX,C

    JGL YYY           ;JUMP ON YYY IF SMALLER FOR RESULT

YYY:MOV RESULT,AX

MOV AX,400H

INT 21H

CODE ENDS

END START

-----------------OUTPUT-------------------

0B49:0000  03 00 02 00 04 00 02 00-00 00 00 00 00 00 00 00   ................

0B49:0010  B8 49 0B 8E D8 A1 00 00-A1 02 00 3B 06 02 00 7C  

.I.........;...|

0B49:0020  00 3B 06 04 00 7C 00 A3-06 00 B8 00 04 CD 21 00   .;...|........!.

0B49:0030  69 00 00 00 69 00 00 00-7F 02 7F 01 0D 02 00 00  

i...i........... 0B49:0040  03 00 01 00 89 01 00 00-00 00 00 00 00 00 00 00   ................

0B49:0050  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

PROGRAM-10 ; WRITE A PROGRAM IN ASSEMBLY LANGUAGE TO FIND LARGEST OF FIVE NUMBERS

DATA SEGMENT

A  DW 3H

B  DW 7H

C  DW 4H

D  DW 5H

E  DW 2H

RESULT DW (?)

DATA ENDS

CODE SEGMENT

ASSUME CS:CODE,DS:DATA

START:MOV AX,DATA

MOV DS,AX

MOV AX,A

MOV AX,B      

CMP AX,B

JG XXX XXX:CMP AX,C	;JUMP ON XXX IF LARGER
JG YYY YYY:CMP AX,D	;JUMP ON YYY IF LARGER
JG ZZZ ZZZ:CMP AX,E	;JUMP ON ZZZ IF LARGER
JG WWW	;JUMP ON WWW IF LARGEST FOR RESULT

WWW:MOV RESULT,AX

      MOV AX,4C00H

INT 21H

CODE ENDS

END START

-----------------OUTPUT-------------------

0B49:0000  03 00 07 00 04 00 05 00-02 00 07 00 00 00 00 00   ................

0B49:0010  B8 49 0B 8E D8 A1 00 00-A1 02 00 3B 06 02 00 7F   .I.........;....

0B49:0020  00 3B 06 04 00 7F 00 3B-06 06 00 7F 00 3B 06 08   .;.....;.....;..

0B49:0030  00 7F 00 A3 0A 00 B8 00-4C CD 21 01 0D 02 00 00   ........L.!.....

0B49:0040  03 00 01 00 89 01 00 00-00 00 00 00 00 00 00 00   ................

0B49:0050  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00   ................

0B49:0060  00 00 4B 01 23 04 00 00-00 00 00 00 00 00 00 00   ..K.#...........

0B49:0070  00 00 50 41 54 48 3D 44-50 4D 49 4D 45 4D 2E 44  

..PATH=DPMIMEM.D