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Declare an array that contains the numbers: 1,2,3,4 (byte size). Use BX to point to the...

Declare an array that contains the numbers: 1,2,3,4 (byte size). Use BX to point to the first array element initially. Subtract the second array element from the first, and store the result in the fourth element. Use the INC and DEC commands to change the array element that is pointed to. ANY assembly language.

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Answer #1

Answer:

This is an emu8086 assembly code:

.MODEL SMALL

.STACK 100h

.DATA

Array DB 1,2,3,4 //DECLARATION IN BYTE SIZE

.CODE

MAINPROC

MOV AX,@DATA

MOV DS,AX

OUTPUT:

MOV BX,ARR[0] // BX POINTING TO ARRAY FIRST ELEMENT

MOV ah ,ARR[1] //storing second  element in ah

SUB ah, BX //Subtracting from Second array element to first and stores in ah

MOV ARR[3],ah // substracted value storing to 4th element in array

MAIN ENDP

END MAIN

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