clock.asm

8086 program clock,counter,20 bit adder

org 100h
mov ax,00 
mov bx,60
mov cx,bx       
hour:
min:
    sec:out 199,ax
        inc ax         
        loop sec
        sub ax,60
        add ax,100
        mov cx,bx
        loop min
        sub ax, 6000
        add ax,10000
        loop hour