#include   <c8051f000.h>                      
        // SFR declarations
#include   <stdio.h>  
#include   <intrins.h>  
//------------------------------------------------------------------------------
------
// Global CONSTANTS
//------------------------------------------------------------------------------
------
#define DATABUS P0
sbit   LCD_RS=P1^0;    
sbit   LCD_RW=P1^1;
sbit   LCD_E=P1^2;
sbit   CS=P1^4;
unsigned int *P_data;
unsigned char code name[8]=
{0x41,0x42,0x43,0x44,0x31,0x32,0x33,0x34};//display "ABCD1234"
//--------------------------------------------------------
void delayxus(unsigned char aa)
{
  unsigned char data h;
  for(h=0;h  <=aa;h++) {_nop_();_nop_();}
}
//........................................
void delay1ms(void)
{
  unsigned char data i;
  for(i=0;i  <=250;i++) { _nop_();_nop_(); }
}
//.......................................
void delay100ms(void)
{
  unsigned char data i;
  for(i=0;i  <=50;i++){delay1ms();}
}
//......................................
void wcode(unsigned char bb) //WRITE CODE TO LCD
{
  LCD_RW=0; LCD_RS=0; DATABUS=bb;
  LCD_E=0; _nop_();_nop_();LCD_E=1;delayxus(20);LCD_E=0;
  delayxus(20);
}

//.......................................
void wdata(unsigned char nn)//WRITE DATA TO LCD
{
  LCD_RW=0; LCD_RS=1; DATABUS=nn;
  LCD_E=0; _nop_();_nop_();LCD_E=1;delayxus(20);LCD_E=0;
  delayxus(20);
}
//------------------------------------------------------------------------------
------
// MAIN Routine
//------------------------------------------------------------------------------
------
void main (void) {
  unsigned char k;
  unsigned char *P_data;
    // disable watchdog timer
    WDTCN = 0xde;
    WDTCN = 0xad;
    // set up Timer3 for auto-reload to generate interrupts at 100ms 
intervals

    EA = 0;                        
                    // enable global 
interrupts
    // set up Crossbar and GPIO
    XBR2 = 0x40;                    
                // Enable crossbar and weak pull-ups
    PRT0CF |= 0x00;                    
            // enable P1.6 (LED) as a push-pull output

    PRT1CF |= 0xf0;                    
            // enable P1.6 (LED) as a push-pull output

  delay100ms();  delay100ms();  delay100ms();  delay100ms();
  DATABUS=0xff;  //SP=0x60;
  LCD_E=0; LCD_RW=0; LCD_RS=0;
 // EA=0;

       wcode(0x30);            // 显示模式设置(不检测忙信
号)
    delay1ms();    delay1ms();delay1ms();delay1ms();delay1ms();
       wcode(0x30);            // 显示模式设置(不检测忙信
号)
    delay1ms();    delay1ms();delay1ms();delay1ms();delay1ms();
       wcode(0x30);            // 显示模式设置(不检测忙信
号)
    delay1ms();    delay1ms();delay1ms();delay1ms();delay1ms();

    wcode(0x30);            // 显示模式设置(以后均检测
忙信号)
    wcode(0x08);            // 显示关闭
       wcode(0x01);            // 显示清屏
    wcode(0x06);            // 显示光标移动设置
    wcode(0x0c);            // 显示开及光标设置

 while(1){
  P_data=name;
  wcode(0x02);delay1ms();//RETURN HOME
  wcode(0x01);delay1ms();delay1ms();
  for(k=0;k  <8;k++) {wdata(*P_data);delayxus(50);P_data++;}

  }
}