3_1_2.asm

华工电信系汇编习题的编程实现

stack segment stack 'stack'
      dw 32 dup(?)
stack ends

data segment 

     B1 db 12H
     B2 db 32H
     B3 db 36H
     B4 db ?
     B5 db ?
data ends

code segment 
begin proc far
      assume ss:stack,cs:code,ds:data
      push ds
      sub ax,ax
      push ax
      mov ax,data
      mov ds,ax
      
      mov al,B1 ;ax 1471
      mul B2    ;ax 1412
      add B3,06H;ax 0384,ds:0003 36
      div B3    ;ax 0384,ds:0003 3C 
      mov B4,al ;ax 000F,B4 00
      mov B5,ah ;B4 0F      
                ;B5 00
      ret
                ;result right
begin   endp
code    ends
      end begin