Method fetch_write_adr

2019/src/intcoder.rs:106–113

(&self, offset: i64)

  }

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

  fn fetch_inst(&mut self) -> (i64,i64,i64,i64) {
    let a = self.fetch_adr(1);