程序代码：

data segment
    num    db    -9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10
    fu    db    20 dup(?)    ;存放负数
    zheng    db    20 dup(?)    ;存放正数
    noff    db    0    ;负数数目
    nofz    db    0    ;正数数目
data ends

code segment
    assume    cs:code,ds:data,es:data
codestart proc far
    push    ds
    xor    ax,ax
    push    ax

    mov    ax,data
    mov    ds,ax
    mov    es,ax

start:
    lea    si,fu
    lea    di,zheng
    lea    bx,num

    mov    cx,20

compare:
    mov    al,[bx]
    inc    bx
    cmp    al,0
    jg    positive
    inc    noff
    mov    [si],al
    inc    si
    jmp    transfer


positive:
    inc    nofz
    mov    [di],al
    inc    di

transfer:
    loop    compare
    
exit:
    ret

code ends
end    start