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汇编语言程序,求出这两个数组中数据的个数
阅读量:367 次
发布时间:2019-03-04

本文共 1956 字,大约阅读时间需要 6 分钟。

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??????????????10??????M????????????P?????N?????????????????


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; ?????data segment    M dw 1,-3,32,4,31,42,-53,53,-12,34    P dw 10 dup (?)   ; ?????????10???    N dw 10 dup (?)   ; ?????????10???    countp db 30h      ; ??????    countn db 30h      ; ??????data ends; ?????code segment    assume cs:code, ds:datastart:    mov ax, data    mov ds, ax    mov cx, 10        ; ????    xor bx, bx        ; ???????bx    xor si, si        ; ???????si    xor di, di        ; ???????dis:    mov ax, M[bx]     ; ??????M???    cmp ax, 0        ; ???????0    jge s1           ; ??????????????    ; ??????????????s1:    mov P[di], ax     ; ?????????P    add di, 2        ; ??di??2???????    add countp, 1    ; ?????1    jmp nextnext:    add bx, 2        ; ????bx??2???????    loop ss:    mov ax, M[bx]     ; ??????M???    cmp ax, 0        ; ???????0    jge s1           ; ??????????????    ; ??????????????s1:    mov N[di], ax     ; ?????????N    add di, 2        ; ??di??2???????    add countn, 1    ; ?????1    jmp nextnext:    add bx, 2        ; ????bx??2???????    loop s; ????    mov ah, 2        ; ?????????    mov dl, countp   ; ??????    int 21h         ; ???????    mov ah, 2        ; ?????????    mov dl, 20h     ; ????    int 21h         ; ????    mov ah, 2        ; ?????????    mov dl, countn   ; ??????    int 21h         ; ???????    mov ax, 4c00h    ; ????    int 21h         ; ????code endsend start

????

  • ???

    • M ?????????1, -3, 32, 4, 31, 42, -53, 53, -12, 34
    • P ? N ????????????
    • countp ? countn ?????????????
  • ???

    • ????????????????
    • ?? mov ax, data ? mov ds, ax ??????????
    • ???? cx ????10???????10????
    • bx ?????????????
  • ??????

    • s ? s1 ???????????
    • ????jge s1????? P ?????????? N ????
    • ?? di ????????????????????
    • countp ? countn ?????????????
  • ????

    • ?? int 21h ????????????????????????????
  • ????

    • ?? mov ax, 4c00h ?????int 21h ???????

  • ????

    • ???????? M ?????????? P ? N ????
    • ??????????????????
    • ?????????????????????

    ??????????????????????????????

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