// Connect two LEDs to port C bit 6 & bit 7. Glow MSB 2 LEDs only (bit 7 & bit 6)
//27ddr 28 port


#include <stdint.h>

#define cport (*(volatile uint8_t*)0x28)
#define cddr  (*(volatile uint8_t*)0x27)

void setup() {
  cddr |= (1<<6) | (1<<7);
}

void delayy(void){
  volatile uint32_t i;
  for(i = 0; i < 100000; i++);
}

void loop() {
  cport |= (1<<6) | (1<<7);
  delayy();
  cport &= ~((1<<6) | (1<<7));
  delayy();
}