MAP GRID 13 × 12 (col × row)
Ready — load a VMAP file or select a round to edit.
Encoding: read via TextDecoder('shift-jis'). Save: binary Uint8Array output; half-width katakana (ア=0xB1 / イ=0xB2 / ウ=0xB3) written as raw CP932 bytes. DOS EOF (0x1A) appended.