程序编译没错，但有两个警告。但是转成HEX放到Proteus里，那个LCD就是不显示，很气人。实在找不出来了，请各位前辈帮帮我吧！感谢！
这是我的代码
#include <reg51.h>
#include <intrins.h>
#define uchar unsigned char
#define unit unsigned int
#define DelayNOPx(){_nop_();_nop_();_nop_();_nop_();}

sbit RS=P2^0;
sbit RW=P2^1;
sbit E=P2^2;
sbit BEEP=P1^0;


void DelayMS(unit ms);
bit LCD_Busy();
void LCD_Pos(uchar);
void LCD_Wcmd(uchar);
void LCD_Wdat(uchar);
char code Title_Text[]={"--phone code--"};

uchar code Key_Table[]={'1','2','3','4','5','6','7','8,''9','*','0','#'};
uchar Dial_Code_Str[]={"              "};
uchar KeyNo=0xFF;
int tCount=0;
void DelayMS(uint x)
{
    uchar i;
    while(x--)for(i=0;i<120;i++);
}
void Display_String(uchar*str,uchar LineNo)
{
    uchar k;
    LCD_Pos(LineNo);
    for(k=0;k<16;k++)LCD_Wdat(str[k]);
}
bit LCD_Busy()
{
    bit result;
    RS=0;RW=1;E=1;DelayNOPx();result=(bit)(P0&0x80);E=0;
    return result;
}
void LCD_Wcmd(uchar cmd)
{
    while(LCD_Busy());
    RS=0;RW=0;E=0;_nop_();_nop_();P0=cmd;DelayNOPx();E=1;DelayNOPx();E=0;
}

void LCD_Wdat(uchar str)
{
    while(LCD_Busy());
    RS=1;RW=0;E=0;
    P0=str;DelayNOPx();
    E=1;DelayNOPx();E=0;
    void LCD_Init()
    {
        LCD_Wcmd(0x38);DelayMS(1);
        LCD_Wcmd(0x06);DelayMS(1);
        LCD_Wcmd(0x01);DelayMS(1);
    }
    void LCD_Pos(uchar pos)
    {
        LCD_Wcmd(pos|0x80);
    }
    void T0_INT()interrupt 1
    {
        TH0=-600/256;
        TL0=-600%256;
        BEEP=~BEEP;
        if(++tCount==200)
        {
            tCount=0;TR0=0;
        }
    }
    uchar GetKey()
    {
        uchar i,j,k=0;
        uchar KeyScanCode[]={0xEF,0xDF,0xBF,0x7F};
        uchar KeyCodeTable[]=
        {0xEE,0xED,0xEB,0xDE,0xDD,0xDB,0xBE,0xBD,0xBB,0x7E,0x7D,0x7B};
        P3=0x0F;
        if (P3!=0x0F) DelayMS(20);
        if (P3!=0x0F)
        {
            for (i=0;i<4;i++)
            {
                P3=KeyScanCode[i];
                for(j=0;j<3;j++)
                {
                    k=i*3+j;
                    if(P3==KeyCodeTable[k]return k;
                }
            }
        }else return 0xFF;
    }
    void main()
    {
        uchar i=-1,j;
        P0=P2=P1=0xFF;
        IE=0x82;
        TMOD=0x01;
        LCD_Init();
        Display_String(Title_Text,0x00);
        while(1)
        {KeyNo=GetKey();
            if(KeyNo==0xFF)continue;
            i++;
            if(KeyNo==9) {Dial_Code_Str[i-1]=' ';i=i-2;}
            else {if(KeyNo==11) {for(i=0;i<16;i++)Dial_Code_Str[i]=' ';i=-1;}
            else if(i==11)
            {for(j=0;j<16;j++)Dial_Code_Str[j]=' ';i=0;}
            Dial_Code_Str[i]=Key_Table[KeyNo];}
            Display_String(Dial_Code_Str,0x40);
            TR0=1;
            while(GetKey()!=0xFF);
        }
    }

然后Proteus的运行报告里有一句这个：Controller received command whilst busy. [LCD0]
我用的是C51接LCD1602，但是运行程序LCD亮，但是不显示任何字符，麻烦大家帮帮我，真的很着急，也很无奈。