/*---用兩個(gè)89S52作的異步串行雙工通信之發(fā)送程序--*/
#include <reg52.h>
#define uchar unsigned char 
#define uint unsigned int
uchar code c[10]={0xc0,0xf9,0xa4,0xb0,0x99,
                  0x92,0x82,0xf8,0x80,0x90};
void serial_inti();                       //聲明
void delay();
main()
{
 char i;
 serial_inti();                          //初始化
do
 {
  for(i=0;i<4;i++)                       //P0顯示0-4
    {
     SBUF="c"[i];
     P0=c[i];
     delay();
    }
   
 }while(1);

}

void serial_inti()                       //初始化  
{
 TMOD=0x20;                              //用定時(shí)器T1，工作方式2
 TH1=0xfa;                               //頻率為11.0592MHz