输入一串数字，求和

运行结果：

程序代码：

datas segmentx               db ?
y               db ?
z               db ?xInputPrompt    db 'Enter a number x=$'
yInputPrompt    db 0dh,0ah,'Enter a number y=$'
zOutputPrompt   db 0dh,0ah,'sum x+y=$'datas endsstacks segmentdb 100h dup(0)
stacks endscodes segmentmain proc farassume cs:codes,ds:datas,ss:stacksstart:push dssub ax,axpush axmov ax,datasmov ds,axmov dx,offset xInputPrompt        ;输出请求x输入提示mov ah,9int 21hmov ah,1                          ;输入数据保存在X中int 21hsub al,30hmov x,almov dx,offset yInputPrompt        ;输出请求y输入提示mov ah,9int 21hmov ah,1                          ;输入数据保存在y中int 21hsub al,30hmov y,aladd al,xmov z,almov dx,offset zOutputPrompt        ;输出z提示mov ah,9int 21h;输出zmov bx,10mov cx,0mov al,z mov ah,0s: mov dx,0	       div bxadd dx,30hpush dxinc cxcmp ax,0jnz ss1:  pop dxmov ah,2int 21hloop s1retmain endpcodes endsend main