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* gotc.bat    : batch file for use TC 2.0
* gomsc.bat   : batch file for use MSC 5.0/6.0 
* demo80.prj  : project file for TC++3.0 or BC++ 3.1
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  program: DEMO80.C
  use    : demo80
  
  demo program for Install User timer function.(use interrupt 0x1c) 
  
  Operation:
     (1)5DigitLed will show the time.
	position 1 :  day
		2,3: hour (0-23)
		4,5: minute(0-59)
     (2)Led will toggle ON/OFF every 0.5 second.
     (3)press 'q' to quit.