;编制程序,完成已知两个32位整数A和B相加,并将结果存入双字变量单元sum,不考虑溢出
data segment
a dw 1111h,2222h
b dw 4444h,6666h
sum dw 7777h,7777h
data ends
code segment
assume cs:code,ds:data
start:
mov ax,data
mov ds,ax
clc;cf清零
mov bx,0;bx=0
mov cx,2
again:
mov ax,a[bx]
adc ax,b[bx]
mov sum[bx],ax
inc bx
inc bx
loop again
mov ah,4ch
int 21h
code ends
end start
