使用三星S3F9488单片机，编写的程序，感觉老是重启，请们指点

使用三星S3F9488单片机，编写的程序，感觉老是重启，请大虾们指点
#include "ioS3C9488.h"// 
#include "intrinsics.h"//包含内部函数 
#include "math.h"
#pragma vector = __TIMERB_UNDERFLOW_vector  
__root __interrupt void interrupt0();
#define uchar unsigned char
#define uint unsigned int
#define Set_Bit(byte,bit) (byte|=(1<<bit)
#define Clr_Bit(byte,bit) (byte&=~(1<<bit)
__code const volatile uchar SmartOption[4] @0x003c = {0xFF,0x00,0xBB,0xFB}; //定义P0.0-P0.2为次晶振，EESET
void delay(uint i); //单位为1ms
void Err1( );
void Err2( );
void Winter( );  
void Summer( );  
void Cotton( );  
void Wool( uchar m2);  
void Shoes( );  
void Clothes(uchar m4 );  
void Flea( );  

void Temp( );  
void Booking( uchar temp1);  
//void Interrupt0( );
void initialize( ); //初始化程序
void scan( ); //
void heat_work(); //加热
void heat_stop();  
void fan_work(); //风扇
void fan_stop();
void modify_time(); //修改时间
void buz();

uchar LCD0[11]={0x00,0x60,0x40,0x20,0x80,0x80,0x40,0x00,0x00,0x80,0xE0}; //显示0-9，E-
uchar LCD1[11]={0x10,0xB0,0X20,0XA0,0X20,0X00,0XB0,0X00,0X20,0x40,0XE0}; //显示0-9，E-
uchar KEY[6]={0XEF,0XDF,0XBF,0X7F,0XFE,0XFD}; //按钮1-6
uchar LED[]={0x01,0x02,0x04,0x08,0x80,0x10,0x20,0x40}; //数码管高电位
uchar time[6];
uchar ID=0;
uchar hour=0,min=0,sec=0;
uint flag=0;
uchar temp=0;

/*****************************************************************/
  //主函数
/****************************************************************/
void main( )
{ 
  //BTCON=0XFF;
  SP=0XC0;
  asm("DI");
  //ADCON=0X8D; //1vs采样一次
  BTCON=0XFB; //稳定晶振为62.5ms
  OSCCON=0X04;
  CLKCON=0X8F; //没有分频
  LCDCON=0X94; //LCD的占空比，信号为FW/128
  LCDVOL=0X89; // LCD的亮度设置
 
  P0CONH=0XFF;P0CONL=0X80;P0PUR=0XFF; //p0.3为采样口
  P1CONH=0XFF;P1CONL=0XA6; P1PUR=0XFF; //P1.0有待最后确定
  P2CONH=0XFF;P2CONL=0XFF; 
  P3CONH=0XFA;P3CONL=0X00; //P3.0为输入，全是输入  
  P3INT=0X00; //不启用外部中断
  P4CONH=0x16;//0X02;
  P4CONL=0X7F;//0X3F;
  //STPCON=0XA5; //允许STOP指令
  TACON=0X00; //初始化
  TBCON=0X00;
  //TINTPND=0X00; //待定???
 // VLDCON=0X1D;  
  //VLDCON=0XDD;  
  //WTCON=0X52; //待定
  //SYM=0X08; //允许所有中断运行
  //asm("DI");
  asm("EI");
  
  initialize( ); //初始化
  while(1)
  {
  if (P3==KEY[3])  
  delay(10);
  if(P3==KEY[3])
  {
  void buz();
  Winter( );
  Err2();
  Err1();
  /*if(P3==KEY[0])  
  delay(10);
  if(P3==KEY[0])
  {
  void buz();
  Booking( ); 
  while(P3==KEY[0]);
  }*/
  if(P3==KEY[1])  
  delay(10);
  if(P3==KEY[1] )
  {
   
  void buz();
  void Flea();
  while(P3==KEY[1]);
   
  if(P3==KEY[5])