chazhaoa.asm

asm经典查找.实现企业管理中的查找,以及数据库中的管理查找

data segment
  str db 'aaaaaaadfsa'
  len dw $-str   
data ends
code segment
assume cs:code,ds:data
start: 
   mov ax,data
   mov ds,ax
   mov cx,len
   mov al,'a'
   lea bx,str
again:
   cmp al,[bx]
   inc bx
   loopz again
  cmp  cx,0
  jne exit
  mov bx,-1
   mov ax,4c00h
  int 21h
exit:
code ends
  END  start