const calc = ()=>{

    let str = byte.map((x,i)=>x*mult[i]).reduce((a,b)=>a+b,0).toString(2);

  byte = str.slice(str.length-8,str.length).split("");

  mult = mult.map((x,i)=>{

    if(i!=mult.length-1) return mult[i+1];

    return mult[0];

  });

  document.getElementById("o").innerHTML = (byte.join("") + " " + parseInt(byte.join(""),2));

};

new p5();

createCanvas(0,0);

createButton("Next").mousePressed(calc);

let mult = [48,7957,7084,7756,7418,5062,2528,5199,380,6104,6854,5627,7037,4253,4650];

let byte = mult.map(x=>x**2).slice(mult.length-8,mult.length);

​