片内拆字.asm

基于Proteus的51系列单片机设计与仿真

   ORG   20H
   MOV   30H,#0A3H   ;给30H赋初值
   MOV   A,30H       ;(30H)送A
   ANL   A,#0F0H     ;取(30H)高位,送31H
   MOV   31H,A
   MOV   A,30H       ;(30H)送A
   ANL   A,#0FH      ;取(30H)低位,送32H
   MOV   32H,A
   END