p4ex7.asm

汇编语言-王爽 源代码 加 卜艳萍版源代码

DATA SEGMENT
    A     DB    10H,20H,'OPQ',4FH
    B     DB    6 DUP(?)     
DATA ENDS
CODE SEGMENT
    ASSUME CS:CODE,DS:DATA
START:
         MOV AX,DATA
         MOV DS,AX
         MOV DI,OFFSET A
         MOV SI,OFFSET B
         MOV CX,LENGTH B
     CC: MOV AX,[DI]
         MOV [SI],AX
         INC SI
         INC DI
         LOOP CC       
         MOV AH,4CH
         INT 21H
CODE ENDS
    END START