add_16b_bcd.asm

data segment
    var1 dw 9348H
    var2 dw 1845H
    result dw ?
    carry dw 00H
data ends

code segment
    assume cs:code,ds:data
    start: mov ax,data
           mov ds,ax
           
           mov ax,var1
           mov bx,var2
           
           add al,bl
           daa               ;decimal adjust after addition
           mov cl,al
           
           mov al,ah         ;since daa works on al register
           add al,bh
           daa
           mov ch,al       
           
           jnc skip          ;jump to skip if carry flag is 0
           mov carry,01H
           
    skip:  mov result,cx
           
           int 03H
           
           end start
code ends