;      SEARCH-HALF-EX5_9
        dseg  segment
     low_idx  dw        ?
    high_idx  dw        ?
        dseg  ends
        cseg  segment
    b_search  proc      near
     
              assume    cs:cseg,ds:dseg,es:dseg
              push      ds
              push      ax
              mov       ax,dseg
              mov       ds,ax
              mov       es,ax
              pop       ax

              cmp       ax,es:[di+2]
              ja        chk_last
              lea       si,es:[di+2]
              je        exit
              stc
              jmp       exit
   chk_last:
              mov       si,es:[di]
              shl       si,1
              add       si,di
              cmp       ax,es:[si]
              jb        search
              je        exit
              stc
              jmp       exit
     search:
              mov       low_idx,1
              mov       bx,es:[di]
              mov       high_idx,bx
              mov       bx,di
        mid:  mov       cx,low_idx
              mov       dx,high_idx
              cmp       cx,dx
              ja        no_match
              add       cx,dx
              shr       cx,1
              mov       si,cx
              shl       si,1
    compare:  cmp       ax,es:[bx+si]
              je        exit
              ja        higher
              dec       cx
              mov       high_idx,cx
              jmp       mid
     higher:  inc       cx
              mov       low_idx,cx
   no_match:
              stc
       exit:  pop       ds
              ret
    b_search  endp
        cseg  ends
              end
上面是折半查找的实现函数，但是没有主函数，程序无法运行，怎么改啊？
要有输入输出才算完整的程序，比如我输入几个数后再输入一个随机数，如果前面输入的有这个数，则显示匹配 match 没有则显示 no match！希望大虾能理解我意思》_《

[ 本帖最后由 weedson 于 2012-12-10 16:15 编辑 ]

有木有人打救小弟。。。