例2 data segment mov a mov b2 mov al b b dd al. b mov C a string db c=S′ ea ax, String data ends mov ah. 09 t 2Th dd c 30h code segment mov dl. c main proc tar mov ah. 2 assume cs code. ds: data. es data nt 2lh start mov dl. Oah int 2h sub ax.ax汇编后的目标文件moa1Oh 只有208字节 int 2h ret mov ax. data main endp moy ds. ax code ends mov es. ax end startmov 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 data 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 汇编后的目标文件 只有208字节