3_2_4.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 
     AB1 db 06H
     Ab2 db -7H
     B 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,AB1
      mov ah,10
      imul ah

      ROL ax,1
      ROR al,1
      add al,AB2
      mov B,al




      ret
begin   endp
code    ends
      end begin