推荐回答（1个）
简单写了个两数相加的。
dseg segment
num1 db 27H
num2 db 45H
dseg ends
cseg segment
assume cs:cseg,ds:dseg
begin: mov ax,dseg
mov ds,ax
mov al,num1
add al,num2
daa
mov dh,al
mov cl,4
shr al,cl
or al,30h
mov dl,al
mov ah,2
int 21h
and dh,0fh
or dh,30h
mov dl,dh
int 21h
mov ah,4ch
int 21h
cseg ends
end begin
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