1.asm

微机原理与接口技术的部分课后题（十几题经典的）程序

data segment
tabl dw 10h 1h,-1h,1h,-1h,1h,-1h,1h,-1h,1h,-1h
zheng dw 10h dup(?)
fu dw 10h dup(?)
char1 db '正数个数：','$'
char2 db '负数个数：','$'
data ends
code segment
    assume cs:code, ds:data
start: mov ax,data
       mov ds,ax
       mov dx=0
       mov cx,10h
       mov bx,offset tabl
       mov di,offset zheng
       mov si,offset fu
  lop:mov ax,[bx]
      inc bx
      inc bx
      cmp ax,0
      jg zsu
      jl fsu
      loop lop
      jmp sc
      
  zsu:mov [di],ax
      inc di
      inc di
      inc dl
      loop lop
      jmp sc
  fsu:mov [si],ax
      inc si
      inc si
      inc dh
      loop lop
   sc:mov bx,dx
      mov dx,offset char1
      mov ax,09h
      int 21h
      mov dx,offset char1
      mov ax,09h
      int 21h
      mov dl,bh
      mov ah,02h
      int 21h
      mov ah,4ch
      int 21h
  code ends
       end start