汇编中loop $是什么意思? 10
具体代码段如下:AGAIN:MOVDX,0B860HINAL,DXLOOP$MOVAH,0BHINT21HCMPAL,0JZAGAIN...
具体代码段如下:AGAIN :MOV DX,0B860H
IN AL,DX
LOOP $
MOV AH,0BH
INT 21H
CMP AL,0
JZ AGAIN 展开
IN AL,DX
LOOP $
MOV AH,0BH
INT 21H
CMP AL,0
JZ AGAIN 展开
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