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计算三个数的和
data segment NUM DB 0FFH,0FFH,0FFH SUM DW '$$' data ends code segment assume cs:code,ds:data start: mov ax,data mov ds,ax mov ah,0 mov al,num add al,num+1 adc ah,0 clc add al,num+2 adc ah,0 mov sum,ax mov ah,4ch int 21h code ends end start
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