第一个
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,c
mov es,ax
mov bx,0
mov cx,8
s: mov ax,a
mov ds,ax
mov al,[bx]
add es:[bx],al
mov ax,b
mov ds,ax
mov al,[bx]
add es:[bx],al
inc bx
loop s
mov ax,4c00h
int 21h
code ends
end start
第二个
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 ds,ax
mov ax,b
mov ss,ax
mov ax,c
mov es,ax
mov bx,0
mov cx,8
s: mov al,ds:[bx]
mov dl,ss:[bx]
add al,dl
mov es:[bx],al
inc bx
loop s
mov ax,4c00h
int 21h
code ends
end start