lab01.asm

来自「汇编语言实验 顺序结构（包含程序源代码和完整报告）」· 汇编 代码 · 共 26 行

stacks segment para stack 'stack'
stk	db 20 dup(0)
stacks ends
datas  segment
ARGX   db 15
RLTY   db 0
datas  ends
codes  segment 'code'
       assume cs:codes,ds:datas,ss:stacks

calcu: mov ax,datas
       mov ds,ax
       xor ax,ax
       mov bx,0
       mov al,ARGX
       shl al,1
       mov bl,al
       mov cl,2
       shl al,cl
       add al,bl
       mov RLTY,al
       mov ah,4ch
       int 21h
codes ends
      end calcu