#define AHB_LED_BASE				0x50000000

//////////////////////////////////////////////////////////////////
// Main Function
//////////////////////////////////////////////////////////////////

int main(void) {

volatile int i;

// set delay to 2 for simulation
// set delay to 1000000 for synthesis
int delay = 1000000;

  *(volatile unsigned int*) AHB_LED_BASE;

  while(1){

    *(volatile unsigned int*) AHB_LED_BASE = 0x54;

    for(i=0;i<delay;i++);

    *(volatile unsigned int*) AHB_LED_BASE = 0x2A;

    for(i=0;i<delay;i++);
  }
}