内存缓冲区BUFFER定义如下,按照要求,写出指令序列 BUFFER DB 20DUP(?) 将缓冲区各字节依次设置为0,1,2,3,0,1,2,3,……,3。
正确答案:
XOR BX,BX
MOV CX,5
ONE://MOV BUFFER[BX],0
MOV BUFFER[BX+1],1
MOV BUFFER[BX+2],2
MOV BUFFER[BX+3],3
ADD BX,4
LOOP ONE
MOV CX,5
ONE://MOV BUFFER[BX],0
MOV BUFFER[BX+1],1
MOV BUFFER[BX+2],2
MOV BUFFER[BX+3],3
ADD BX,4
LOOP ONE
答案解析:有

微信扫一扫手机做题