How do you add multidigit numbers in 8086?

Answer 1

print macro msg lea dx,msg movah,09h int 21h endm read macro n,j1,j2 mov cx,0ah j1:mov ah,01h int 21h cmpal,0dh je j2 sub al,30h mov bl,al mov ax,n mul cx xor bh,bhadd ax,bx mov n,axjmp j1 j2 :nop endm .model small .stack 100h .data msg1 db 10,13,'Enter the 1st number: $' msg2 db 10,13,'Enter the 2nd number: $' msg3 db 10,13,'The Sum= $' num1 dw 0 num2 dw 0 .code main proc mov ax,@data movds,ax print msg1 ;reading 1st multidigit number read num1,jump1,jump2 print msg2 ;reading 2nd multidigit number read num2,jump3,jump4 ;finding sum mov ax,num1 add ax,num2 ;printing number mov bx,000ah xorcx,cx ;push into stack p1:xordx,dx div bx pushdx inc cx cmp ax,0000h jne p1 print msg3 ;pop from stack display:popdx add dl,30h movah,02h int 21h loop display movah,4ch int 21h main endp end