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Program to read one of the hex digits A-F, and display it on the next line in decimal

Posted By: Easy Tutor     Category: Assembly Language     Views: 11442

An AL Program to read one of the hex digits A-F, and display it on the next line in decimal.

Code for Program to read one of the hex digits A-F, and display it on the next line in decimal in Assembly Language

 .MODEL SMALL
 .STACK 100H

 .DATA
    MSG_1  EQU  'Enter the Hex digit (A-F) : $'
    MSG_2  EQU  0DH,0AH,'The corresponding Decimal dgit is : $'

    PROMPT_1  DB  MSG_1
    PROMPT_2  DB  MSG_2

 .CODE
   MAIN PROC
     MOV AX, @DATA                ; initialize DS
     MOV DS, AX

     LEA DX, PROMPT_1             ; load and display PROMPT_1 
     MOV AH, 9
     INT 21H

     MOV AH, 1                    ; read the hex digit
     INT 21H

     MOV BL, AL                   ; save the hex digit into BL

     LEA DX, PROMPT_2             ; load and display PROMPT_2
     MOV AH, 9
     INT 21H

     MOV AH, 2                    ; display the first decimal digit i.e. 1
     MOV DL, 31H
     INT 21H

     SUB BL, 11H                  ; convert the character into second digit

     MOV DL, BL                   ; display the second digit
     INT 21H

     MOV AH, 4CH                  ; return control to DOS
     INT 21H
   MAIN ENDP
 END MAIN

 ;**************************************************************************;
 ;**************************************************************************;
 ;------------------------------  THE END  ---------------------------------;
 ;**************************************************************************;
 ;**************************************************************************;
  
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Easy Tutor
Easy Tutor author of Program to read one of the hex digits A-F, and display it on the next line in decimal is from United States. Easy Tutor says

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