Method fetch_adr

2019/src/intcoder.rs:96–104

(&self, offset: i64)

  }

  fn fetch_adr(&self, offset: i64) -> i64 {
    let value = self.get(self.pc + offset);
    match self.get_mode(offset) {
      0 => self.get(value),
      1 => value,
      2 => self.get(value + self.rel_base),
      _ => unreachable!("invalid mode")
    }
  }

  fn fetch_write_adr(&self, offset: i64) -> i64 {
    let value = self.get(self.pc + offset);