Offset TileMap for fonts used in GBDK-2020

tileMapOffset.js

/*
  font tiles in GBDK are always inserted at the start.
  This script will offset existing tile maps by the number of
  tiles in the font.
*/

const fontTileSize = 37;

const tileMap = [/* Tile map array of hex values */];

const parsed = tileMap
  .map(t => {
    const parsed = parseInt(t) + fontTileSize;

    return `0x${parsed.toString(16)}`;
  })
  .join(',');
  
document.body.textContent = parsed;