const logMemory = (x) => {
  console.log(`┌────────┬────────┬────────┐`);
  console.log(`│  addr  │   op   │   arg  │`);
  console.log(`├────────┼────────┼────────┤`);
  for (let i = 0; i < x.length; i += 2) { 
    console.log(`│   ${num2hex(i)}   │   ${num2hex(x[i])}   │   ${num2hex(x[i+1])}   │`);
    if (((i + 2) % 8) === 0) {
      console.log(`│        │        │        │`);
    }
  }
  console.log(`└────────┴────────┴────────┘`);
}

const logRunningHeader = () => {
  console.log();
  let time = new Date();
  console.log( `┌─────────────────────┐`);
  console.log( `│ Running at ${time.toLocaleTimeString('en-GB')} │` );
  console.log( `└─────────────────────┘`);
}

const num2hex = (num) => num.toString(16).toUpperCase().padStart(2, "0");
const hex2num = (hex) => parseInt(hex, 16);

module.exports = {
  "logMemory": logMemory,
  "logRunningHeader": logRunningHeader,
  "num2hex": num2hex,
  "hex2num": hex2num,
}