blocking flag is an optional parameter. If present and nonzero, the flag means that this section will be blocked. Blocking is an address alignment mechanism similar to alignment, but weaker. It means a section is guaranteed not to cross a page boundary (128 words) if it is smaller than a page, and to start on a page boundary if it is larger than a page. This
blocking applies to the section, not to the object declared with this instance of the .usect directive.
參考答案:阻断旗子是一个可选择的叁数。 如果礼物和非零, 旗子意谓这一个区段将会被阻塞。 阻断是与对准类似的一个住址对准机制, 但是比较弱的。 它意谓一个区段被保证不要再越过页边界 (128个字) 如果它比页小, 和在页边界上开始如果它比页大。 这
阻断适用于区段, 不对与这一个例证一起宣布的物体那。usect 指导的