The Newsboy Map format is loosely based on XDR, wherein the minimum block size is 4 bytes long and stored in network-byte order(big-endian).

The basic format is as follow:
  <magic number, 1 block>
  <name>
    <int name_len, 1 block>
    <string, name_len/4 * block>
  </name>
  <session>
    <int ses_len, 1 block>
    <string session, ses_len/4 * block>
  </session>
  <int location, 1 block> // cyberspace(0) or meatspace(1)
  <int width, 1 block>
  <int height, 1 block>
  <cells>
    . . .
    <flags, 1 block>
    <decor, 1+n blocks>
      <int, 1 block>
      <decor item, 1+n blocks>
        <int animated, 1 block>
        <int anim_len, 1 block>
        <string anim, anim_len/4 * block>
        <int set_len, 1 block>
        <string set, set_len/4 * block>
        <int face_len, 1 block>
        <string face, face_len/4 * block>
        <int frame_len, 1 block>
        <string frame, frame_len/4 * block>
      </decor item>
    </decor>
    . . .
  </cells>
  <player>
    <int player_x, 1 block>
    <int player_y, 1 block>
    <int pl_set_len, 1 block>
    <string pl_set, pl_set_len/4 * block>
    <int pl_face_len, 1 block>
    <string pl_face, pl_face_len/4 * block>
    <int pl_frame, 1 block>
  </player>
  <entities>
    <int entity_count, 1 block>
    . . .
    <int x, 1 block>
    <int y, 1 block>
    <int set_len, 1 blocks>
    <string set, chars/4 * block>
    <int face_len, 1 blocks>
    <string face, chars/4 * block>
    <int frame, 1 block>
    . . .
  </entities>
  <triggers>
    <int trigger_count, 1 block>
    . . .
    <int x>
    <int y>
    <int width>
    <int height>
    <int activator, 1 block> // player, enemy, neutral, enemy bullet, player bullet, etc.
    <int type, 1 block> // collide, activate, hack
    <int event_len, 1 block>
    <string event_name, chars/4 * block>
    . . .
  </triggers>
  <events>
    <int event_count, 1 block>
    . . .
    <int name_len, 1 block>
    <string name, chars/4 * block>
    <int type, 1 block>
    <int param_count, 1 block>
    <params>
      . . .
      <int param_len, 1 block>
      <string param_data, chars/4 * block>
      . . .
    </params>
    . . .
  </events>