Need Help: TV Remote to replace push button

[Don_dody]

I've built a simple code (AVR) that contain 12 push buttons. I'm planning to replace all of them with TV Remote so that they can be accessed using one Remote control only.

Well, is this possible? (12 buttons)

This is my code:

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Code C - [expand]
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#include <mega8535.h>
#include <stdio.h>
 
void main()
{
PORTA=0xFF;
DDRA=0x00;
 
PORTB=0xFF;
DDRB=0x00;
 
PORTC=0x00;
DDRC=0xFF;
 
PORTD=0x00;
DDRD=0xFF;
 
while(1)
   {
    if(PINA.0==0)
    {
        PORTC.0 = 1;
    }
 
    if(PINA.1==0)
    {
        PORTC.1 = 1;
    }
 
    if(PINA.2==0)
    {
        PORTC.2 = 1;
    }
 
    if(PINA.3==0)
    {
        PORTC.3 = 1;
    }
 
    if(PINA.4==0)
    {
        PORTC.4 = 1;
    }
 
    if(PINA.5==0)
    {
        PORTC.5 = 1;
    }
 
    if(PINA.6==0)
    {
        PORTC.6 = 1;
    }
 
    if(PINA.7==0)
    {
        PORTC.7 = 1;
    }
 
    if(PINB.0==0)
    {
        PORTD.0 = 1;
    }
 
    if(PINB.1==0)
    {
        PORTD.1 = 1;
    }
 
    if(PINB.2==0)
    {
        PORTD.2 = 1;
    }
 
    if(PINB.3==0)
    {
        PORTD.3 = 1;
    }        
   }
}

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Now I want to replace all that buttons by the Remote's buttons. Can somebody help me?