// Serial I/O using hardware RS232 port
#include <16F877A.h>
#use delay(clock= 8000000) // Delay function needed for RS232
#use rs232(UART1) // Select hardware UART
void main() //************************************
{
int incode;
setup_uart(9600); // Set baud rate
while(1)
{ incode = getc(); // Read character from UART
printf( " ASCII = %d " ,incode); // Display it on
putc(13); // New line on display
}
}

#include <16F876.h>
#use delay(clock=4000000)
#use rs232(baud=9600, xmit=pin_c6, rcv=pin_c7) // Define speed and pins
#include <LCD.C>
#define use_portb_lcd TRUE

void main() {

   int value;

   lcd_init();
   
while(1){
   for (value=0;value<10;value++) {
     PUTC(value);
     printf(lcd_putc,"\fSend=%1D",value);
     delay_ms(500);
       }
    }
}

#include <16F876.h>
#use delay(clock=4000000)
#use rs232(baud=9600, xmit=pin_c6, rcv=pin_c7, bits=8)
#define use_portb_lcd TRUE
#include <LCD.C>

int value;

#int_RDA
RDA_isr() 
{
 value=GETC();
}

void main() {

   lcd_init();
   
   enable_interrupts(INT_RDA);
   enable_interrupts(GLOBAL);

for (;;) {
     lcd_gotoxy(1,1);
     printf(lcd_putc,"Receive=%1D",value);
   }
}

#int_RDA
void RDA_isr() 
{
 value=GETC();
}