jk2-2.asm

微机原理课程 所有讲义PPT 课程全实验（包括代码程序设计实验报告） 习题及答案

           org 0000h
           ljmp i0start
           org 0003h
           ljmp   int0rk
           org 0013h
           ljmp  int1rk
           org  1150h
  i0start: mov sp,#5fh
           mov dptr,#0e100h
           mov a,#03h
           movx @dptr,a
           mov tcon,#05h
           mov ie,#85h
  her:     ajmp her
  int0rk:  mov  a,#40h
           mov dptr,#0e102h
           movx @dptr,a
           reti
  int1rk:  mov a,#00h
           mov dptr,#0e102h
           movx @dptr,a
           reti  
           end