// connect 8 leds to port A its row 1 
// CONNECT 8 leds to port B its row 2 on 1st row led and 2nd row
//all the assignments are simulated here codes are on different projects
#include <stdint.h>

#define DDRA  (*(volatile uint8_t*)0x21)
#define PORTA (*(volatile uint8_t*)0x22)

#define DDRB  (*(volatile uint8_t*)0x24)
#define PORTB (*(volatile uint8_t*)0x25)

void setup() {
    DDRA = 0xFF;   
    DDRB = 0xFF;  
}

void loop() {
  // put your main code here, to run repeatedly:
  PORTA = 0xFF;
  PORTB = 0xFF;

}