汇编

assume cs:code
a segment
db 1,2,3,4,5,6,7,8
a ends

b segment
db 1,2,3,4,5,6,7,8
b ends

c segment
db 0,0,0,0,0,0,0,0
c ends

code segment
    start:mov ax,a
        mov es,ax
        mov ax,c
        mov ds,ax
        mov bx,0

    mov cx,8
    s:mov ax,es:[bx]
    mov [bx],ax
    add bx,2
    loop s
    mov ax,b
    mov es,ax
    mov ax,c
    mov ds,ax
    mov bx,0
    mov cx,8
    s1:mov ax,es:[bx]
    add [bx],ax
    add bx,2
    loop s1
    mov ax,4c00h
    int 21h
code ends
end start