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读硬盘主引导<br />mov ax,201<br />mov bx,7c00<br />mov cx,1<br />mov dx,80<br />int 13<br />int 20<br /><br />写硬盘主引导<br />mov ax,301<br />mov bx,7c00<br />mov cx,1<br />mov dx,80<br />int 13<br />int 20
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