Please show all work an explain to be upvoted. Write an assembly program to convert an...

Please show all work an explain to be upvoted.

Write an assembly program to convert an 8 character string from upper case to lower case.

Expert Solution

.MODEL SMALL
.DATA

                MSG DB 0DH,0AH, \' Enter the string :-----> : $\'
                MSG2 DB 0DH,0AH, \' Entered string is :-----> : $\'
                STR1 DB 255 DUP(?)
                ONE DB ?
                TWO DB ?
          .CODE

BEGIN:
MOV AX,@DATA
MOV DS,AX

          LEA DX,MSG
          MOV AH,09H
          INT 21H

LEA SI,STR1
MOV AH,01H

READ:
INT 21H
MOV BL,AL

CMP AL,0DH
JE DISPLAY

          XOR AL,20H
          MOV [SI],AL
          INC SI

;CMP BL,0DH
JMP READ

DISPLAY:

MOV AL,\'$\'
MOV [SI],AL

          LEA DX,MSG2
          MOV AH,09H
          INT 21H

          LEA DX,STR1
          MOV AH,09H
          INT 21H

         ; MOV AH,4CH
         ; INT 21H
          .EXIT

venereology answered 2 months ago

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