sysinit.h

这是用proteus做的基于51核的一个菜单仿真的程序开发环境keil 没有使用os在裸机上跑

#include <reg51.h>
//#include <lcddrive.h>
#define unchar unsigned char 
//--------------------timer0 set-------------------------------
// now the xtal 12.0M 
//timer0 model 1 16bit 
//-------------------------------------------------------------
  SysInit()
    {
		unchar i;
    TMOD|=0x01; //  timer0 mode 1
          TH0=256-9216/256;
		   
          TL0=(65536-9216)%256 ;
          EA=1;
          ET0=1;
          TR0=1;
	  
	    
      i=0xff;
	  while (i>0)
	   i--;
	   i=0xff;
	  while (i>0)
	   i--;
	 // lcd init 
	 
	   
	  
	  TxtHomeAdresSet(0,0);
	   
	  TxtWidthSet(0x20); 
	  
	  CursorShapeSet(0xa2);
	  DisplayModelOr();
         GraphicHomeAdressSet(GRAPHIC_HOME_ADRESS%256, GRAPHIC_HOME_ADRESS/256);
	 GraphicWidthSet(0x20);
       
	 WriteCmd(0x9f);// the switch  text dispaly ,graphic display on 
        TxtAttributeSet(); //set the screen as text attribution 
        
     }