Write a program in assembly language to get ASCII and convert it into Character.

Tags: convert ascii into character in assembly language, assembly program to convert ascii into character

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.MODEL SMALL .STACK 2000 .DATA str1 db 'Enter ASCII: $' str2 db 'Character is: $' str3 db 'Invalid ASCII. $' str4 db 'Are you want to check again? Y/N: $' ascii db 3 dup(0) counter db 0 .CODE MAIN PROC NEAR MOV AX, @DATA MOV DS, AX start: mov counter, 0 mov ah, 2 mov dl, 10 int 21h mov dl, 13 int 21h mov ah, 9 lea dx, str1 int 21h get_input: mov ah, 1 int 21h cmp al, 13 je check_enter jmp save_input check_enter: cmp counter, 0 je invalid cmp counter, 1 je save_enter_asci2 jmp save_input save_enter_asci2: mov ascii+1, 13 jmp compute save_input: cmp counter, 0 je get_first cmp counter, 1 je get_second cmp counter, 2 je get_third get_first: mov ascii, al mov counter, 1 jmp get_input get_second: mov ascii+1, al mov counter, 2 jmp get_input get_third: mov ascii+2, al compute: cmp ascii+1, 13 je comp1 cmp ascii+2, 13 je comp2 cmp ascii+2, 13 jne comp3 comp1: mov ah, 2 mov dl, 13 int 21h mov dl, 10 int 21h mov ah, 9 lea dx, str2 int 21h sub ascii, 30h mov dl, ascii mov ah, 2 int 21h jmp end1 comp2: mov ah, 2 mov dl, 13 int 21h mov dl, 10 int 21h mov ah, 9 lea dx, str2 int 21h sub ascii, 30h sub ascii+1, 30h mov al, ascii mov bl, 10 mul bl add al, ascii+1 mov ah, 2 mov dl, al int 21h jmp end1 comp3: mov ah, 2 mov dl, 13 int 21h mov dl, 10 int 21h mov ah, 9 lea dx, str2 int 21h sub ascii, 30h sub ascii+1, 30h sub ascii+2, 30h mov al, ascii mov bl, 100 mul bl mov ascii, al mov al, ascii+1 mov bl, 10 mul bl add al, ascii+2 add al, ascii jc invalid mov dl, al mov ah, 2 int 21h jmp end1 invalid: mov ah, 2 mov dl, 10 int 21h mov dl, 13 int 21h mov ah, 9 lea dx, str3 int 21h end1: mov ah, 2 mov dl, 10 int 21h mov dl, 13 int 21h mov ah, 9 lea dx, str4 int 21h mov ah, 1 int 21h cmp al, 121 je start MOV AH, 4Ch INT 21h MAIN ENDP END MAIN