Write an assembly language procedure that also performs the binary search. The C program will time multiple searches performed by both the C code and your assembly language procedure and compare the result. If all goes as expected, your assembly language procedure should be faster than the C code.

Let’s identify variables needed for this program.

First variables will be the one which will hold the values present in the Given Numbers in Array list and key of 16-bit and it will be array ARR and KEY. variables will be holding the Messages MSG1 “KEY IS FOUND AT “, RES ”  POSITION”, 13, 10,” $” and MSG2 ‘KEY NOT FOUND!!!.$’ to be printed for the User. Other variables will be holding Length of the Array and it will be LEN, So in all Six variables.

The identified variables are ARR, KEY, LEN, RES, MSG1 and MSG2.

DATA SEGMENT

    ARR DW 0000H,1111H,2222H,3333H,4444H,5555H,6666H,7777H,8888H,9999H

    LEN DW ($-ARR)/2

    KEY EQU 7777H

    MSG1 DB "KEY IS FOUND AT "

    RES DB "  POSITION",13,10," $"

    MSG2 DB 'KEY NOT FOUND!!!.$'

DATA ENDS

CODE SEGMENT  

   ASSUME DS:DATA CS:CODE

START:

     MOV AX,DATA

     MOV DS,AX

     MOV BX,00

     MOV DX,LEN

     MOV CX,KEY

AGAIN: CMP BX,DX

      JA FAIL

      MOV AX,BX

      ADD AX,DX

      SHR AX,1

      MOV SI,AX

      ADD SI,SI

      CMP CX,ARR[SI]

      JAE BIG

      DEC AX

      MOV DX,AX

      JMP AGAIN

BIG:   JE SUCCESS

      INC AX

      MOV BX,AX

      JMP AGAIN

SUCCESS: ADD AL,01

        ADD AL,'0'

        MOV RES,AL

        LEA DX,MSG1

        JMP DISP

FAIL: LEA DX,MSG2

DISP: MOV AH,09H

     INT 21H

     MOV AH,4CH

     INT 21H      

CODE ENDS

END START

In this Assembly Language Programming, A single program is divided into four Segments which are 1. Data Segment, 2. Code Segment, 3. Stack Segment, and 4. Extra  Segment. Now, from these one is compulsory i.e. Code Segment if at all you don’t need variable(s) for your program.if you need variable(s) for your program you will need two Segments i.e. Code Segment and Data Segment.

Explanation:

The attached Logic is a C like Program to conduct a binary search we need small Algorithm Shown above in a very simple way, So Just we will covert the logic into Assembly There are many things uncommon in the programing Language. There are No While Loops or Modules but this things are to be implemented in different ways.

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explanation:

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