#pragma GCC optimize (-O0)
#include "ArduinoTrace.h"

byte count;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  asm volatile(
    //"lds r16,0x2A \n"
    "in r16,0x0A \n"
    "ori r16,0x54 \n"
    //"sts 0x2A,r16 \n"
    "out 0x0A,r16 \n"
  );
  asm volatile(
    // "lds r16,0x24 \n"
    // "ori r16,0x01 \n"
    // "sts 0x24,r16 \n"
    "sbi 0x04,0 \n"
  );           
}

void loop() {
  // put your main code here, to run repeatedly:
  if(bitRead(count,0)==1){
    asm volatile(
      // "lds r16,0x2B \n"
      // "ori r16,0x04 \n"
      // "sts 0x2B,r16 \n"
      "sbi 0x0B,2 \n"
    );
  }
  else{
    asm volatile(
      // "lds r16,0x2B \n"
      // "andi r16,~0x04 \n"
      // "sts 0x2B,r16 \n"
      "cbi 0x0B,2 \n"
    );
  }
  if(bitRead(count,1)==1){
    asm volatile(
      // "lds r16,0x2B \n"
      // "ori r16,0x10 \n"
      // "sts 0x2B,r16 \n"
      "sbi 0x0B,4 \n"
    );
  }
  else{
    asm volatile(
      // "lds r16,0x2B \n"
      // "andi r16,~0x10 \n"
      // "sts 0x2B,r16 \n"
      "cbi 0x0B,4 \n"
    );
  }
  if(bitRead(count,2)==1){
    asm volatile(
      // "lds r16,0x2B \n"
      // "ori r16,0x40 \n"
      // "sts 0x2B,r16 \n"
      "sbi 0x0B,6 \n"
    );
  }
  else{
    asm volatile(
      // "lds r16,0x2B \n"
      // "andi r16,~0x40 \n"
      // "sts 0x2B,r16 \n"
      "cbi 0x0B,6 \n"
    );
  }
  if(bitRead(count,3)==1){
    asm volatile(
      // "lds r16,0x25 \n"
      // "ori r16,0x01 \n"
      // "sts 0x25,r16 \n"
      "sbi 0x05,0 \n"
    );
  }
  else{
    asm volatile(
      // "lds r16,0x25 \n"
      // "andi r16,~0x01 \n"
      // "sts 0x25,r16 \n"
      "cbi 0x05,0 \n"
    );
  }

  DUMP(count);

  if(count<15){
    count++;
  }
  else{
    count=0;
  }
  delay(1000);
}