大学版 例2 C= a +b GHUA UNIVERSITY PRESS data segment mov a, moy b. 2 mov aa add oV G,日 str ing ea dx, string data ends 汇编后的目 mov ah, 09 int 21h code segment 标文件只有)ad,3h mov d. c ma i n proc far 208字节 moV a ass ds: data, es datas. code, int 21h start moy d. oah int 21h push ds moy d. odh sue ax ax int 21h push ax ret oV ax, data ma n endp mov ds. ax code ends moV es. ax end startdata segment a db ? b db ? c db ? string db 'c=$' data ends code segment main proc far assume cs:code, ds:data, es:data start: push ds sub ax,ax push ax mov ax,data mov ds,ax mov es,ax mov a,1 mov b,2 mov al,a add al,b mov c,al lea dx,string mov ah,09 int 21h add c,30h mov dl,c mov ah,2 int 21h mov dl,0ah int 21h mov dl,0dh int 21h ret main endp code ends end start 例 2. C = a + b 汇编后的目 标文件只有 208字节