88. ADDRESS TRANSLATION OF 80386 IN PROTECTED MODE IN JAVA

import java.util.*;

class addrxlation

{

                public static void main(String args[])

                {

                                Scanner read = new Scanner(System.in);

                String GDT[][]={{"0000000000000000","00000000000000000000000000001111"},{"0000000000000001","00000000000000000000000011111111"},

{"0000000000000010","00000000000000000000111111111111"}};

                String PD[][]={{"00000000000000000000000000000000","00000000000000000001000000000000"},{"00000000000000000000000000000001","00000000000000000010000000000000"},

{"00000000000000000000000000000001","00000000000000000011000000000000"}};

87. BRANCH PREDICTION LOGIC IN JAVA

import java.io.*;

import java.util.*;

class bpl

{/*Status taken

3:Strongly Taken

2:Weakly Taken

1:Weakly Not Taken

0:Strongly Not Taken*/

                static String btb[][];

public static void main(String args[])throws IOException

{

86. FLOATING POINT ADDER IN JAVA

import java.io.*;

import java.util.*;

class FloatingPointAdder

{          int exp;

            Scanner s=new Scanner(System.in);

            float n1,n2;

            String temp1="",temp2="";

            int exp1,exp2;

            String tmp1="",tmp2="";

            char cry='0';    

            char s1='0',s2='0';

            String e1,e2;

            String m1="", m2="";

            int cmn_expo;

            void input()

            {

78. BLOCK INTERCHANGE IN 8086

DATA SEGMENT
X DB 01H,02H,03H,04H,05H
Y DB 11H,12H,13H,14H,15H
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START:MOV AX,DATA
MOV DS,AX
MOV CX,05H
LEA SI,X 
LEA DI,Y 
UP: MOV BL,[SI] 
MOV AL,[DI]
MOV [SI],AL 
MOV [DI],BL 
INC SI 
INC DI
DEC CX 
JNZ UP
MOV AH,4CH
INT 21H
CODE ENDS
END START

77. BLOCK TRANSFER IN 8086

DATA SEGMENT
X DB 01H,02H,03H,04H,05H
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START:MOV AX,DATA 
MOV DS,AX
MOV CX,05H 
LEA SI,X+04 
LEA DI,X+04+03
UP: MOV BL,[SI] 
MOV [DI],BL 
DEC SI 
DEC DI
DEC CX 
JNZ UP
MOV AH,4CH
INT 21H
CODE ENDS
END START

62. CODE CONVERSION IN 8086

ASCII ADJUSTMENT INSTRUCTIONS


CODE SEGMENT
ASSUME CS:CODE
START: MOV AX,31H 
ADD AX,39H 
AAA
ADD AX,3030H 
MOV BL,9
MOV AX,0702H 
AAD 

61. 16-BIT DIVISION IN 8086

16-BIT DIVISION FOR SIGNED NUMBERS


DATA SEGMENT
NUM1 DW 4567H,2345H
NUM2 DW 4111H
QUO DW 2 DUP(0)
REM DW 1 DUP(0)
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START: MOV AX,DATA

60. 8-BIT DIVISION IN 8086

8-BIT DIVISION FOR UNSIGNED NUMBERS


DATA SEGMENT
NUM1 DB 72H,
NUM2 DB 02H
QUO DB 1 DUP(0)
REM DB 1 DUP(0)
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START: MOV AX,DATA
MOV DS,AX
MOV AL,NUM1 

51. 16 & 32-BIT ADDITIONS IN 8086

16-BIT ADDITION


DATA SEGMENT
NUM DW 1234H, 0F234H
SUM DW 2 DUP(0)
DATA ENDS
CODE SEGMENT
ASSUME CS: CODE, DS:DATA
START: MOV AX,DATA
MOV DS,AX
MOV AX,NUM 

50. 16-BIT MULTIPLICATION IN 8086

16-BIT MULTIPLICATION FOR UNSIGNED NUMBERS


DATA SEGMENT
NUM DW 1234H,1234H
PROD DW 2 DUP(0)
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START: MOV AX,DATA
MOV DS,AX
LEA SI,NUM
MOV AX,[SI] 
MOV BX,[SI+2]

49. 16 & 32-BIT SUBTRACTIONS IN 8086

16-BIT SUBTRACTION

DATA SEGMENT

NUM DW 4567H,2345H

DIF DW 1 DUP(0)

DATA ENDS

CODE SEGMENT

ASSUME

CS:CODE,DS:DATA

START: MOV AX,DATA

MOV DS,AX

CLC

48. MATRIX MULIPLICATION

MOV SI,1000
       MOV BP,1020
       MOV DI,1050
L2:  MOV CX,00
L1:  MOV AL,[SI]
       MOV BL,[BP]
       MUL BL
       ADD CX,AX
       ADD BP,03
       INC SI

47. SEPARATING +VE & -VE NUMBERS

MOV SI,1100
      MOV CX,0A
      MOV AL,00
L2: MOV BX,[SI]
      ADD BX,00H
      JS L1
      INC SI
      INC AL