help for serial communication PC and 89c51

org 0h

main:



Serial_Init:
        ;Set timer 1 mode to 8-bit Auto-Reload
        mov TMOD,#20H
        ;Enable reception
        ;Set Serial port mode to 8-bit UART
        mov SCON,#50H
        ;Set baudrate to 9600 at 11.0592MHz
        mov TH1,#0FDH
	mov TH2,#0FDH
        mov TL1,#0FDH
	mov TL2,#0FDH
        ;Start Timer
        setb TR1
        
	Serial_Send:
        ;wait for last data to be
        ;sent completely
        jnb TI,Serial_Send
        ;clear the transmit interrupt flag
        clr TI
        ;Then move the data to send in SBUF
        mov SBUF,A
        

	Serial_Read:
        ;Wait for Receive interrupt flag
        jnb RI,Serial_Read
        ;If falg is set then clear it
        clr RI
        ;Then read data from SBUF
        mov A,SBUF
	mov p1,a
	acall delay
	jmp main


	DELAY:
	MOV R6 ,#0FFH
wait1:
	MOV R7 ,#0FFH

wait3: 
	
	DJNZ R7,wait3
	
	DJNZ R6,wait1

	RET
        
       
end

ORG 0
	AJMP BEGIN
ORG 40h
BEGIN:
	MOV SCON,#01010000B 	; (50H) Mode 1/Rec en
					; bit 4 = REN receive enable				
					; bit 6 = mode 1. -  8 bit uart variable baud rate	
	MOV TH1,#0FDH 		; Reload value for 9600 Bd @11.0592 MHz
	MOV TMOD,#00100000B	; (21H) Gate1/Timer/Mode 2 / Gate0/Timer/Mode 1
					; bit 5 = 8 bit auto reload for timer 1 (Mode2)
	setb	TR1			; start timer 1

START: 
	JNB RI,START
	CLR RI
	MOV A,SBUF              ;read incoming byte
	MOV SBUF,A              ;send it back
	AJMP START
end

#include <at89x51.h>

volatile char acceptext;
volatile bit status=0;

void IntSerial()Interrupt 4 using 1
{
Es=0;
RI=0;
status = 1;
acceptext = SBUF;
ES=1
}


Void inituart(void)   // serial port initialization
{
SCON = 0x50; // uart in mode 3
TMOD = TMOD | 0X20; // timer 1 in mode2
TH1 = 0xfd  ;// setting baudrate 9600 bps
TL1 = 0xfd;
ES=1        ; // enable serial interrupt 
EA = 1      ; // enable global interrupt
TR1 = 1      ; // start timer 1 running
}

void sendchar(char datasent) // for sending one charater
{
   SBUF = datasent;
   while (!TI)
   {;}
   TI = 0;
} 

void sendtext(char *text) //for sending text
{
  char i=0;
  while (text[i]!=0)
 {
  sendchar(text[i]);
  i++;
  }
}

Void main(void)
{
   inituart();
   sendtext("TRIAL 1");
}