#include "sys/alt_stdio.h"
#include "system.h"

int main()
{
	unsigned long regval;
	char onechar;

    while (1) {

		regval = *(volatile unsigned long *)PIO_1_BASE;

		*(volatile unsigned long *)PIO_0_BASE = regval;

	    regval = 0;
	    while((regval & 0x0080) == 0) { // check RRDY
	    	regval = *(volatile unsigned long *)(UART_0_BASE+2*4); // one word is 32bit(4 byte)
	    }

	    onechar = alt_getchar();
	    if(onechar == 'p') { // product name
	    	alt_putstr("ACKPNDFAL3C10\n");
	    }

    }

	return 0;
}