单片机程序温度采集显示系统

ORG 0000H
AJMP MAIN

ORG 000B
AJMP DISP

ORG 0013H
AJMP AD


MAIN:SETB IT0
     MOV  IE,#83H
     MOV  IP,#02H
     MOV  TMOD,#01H
     MOV  TL0,#30H
     MOV  TLH,#0F8H
     SETB TRO


     MOV 30H,#0
     MOV 31H,#0
     MOV 32H,#0

     MOV A,#0
     MOV R0,#0
     MOVX @R,A
     SJMP $
DISP:MOV TLO,#30H
     MOV TLH,#0F8H