Custom
There are a lot of games that do unusual things to display their maps. The Custom dropdown allows you to include custom code for certain games to display their maps correctly:
- Action Fighter - The game assembles 16x16 pixel tiles into blocks of 256x32 and then uses those blocks to draw the map upwards! Selecting this option will draw the tiles from the bottom of the map to the top.
- Captain Fizz - The game uses 12x12 pixel tiles but stores walls as tile 0. When drawing the map, the tile is substituted based on other surrounding walls.
- Quadralien - If the tile index is 0 in the main map, merge in the tile from the 2nd map ($400 bytes away = 32 x 32).
- Yo! Joe! - The game has 512 unique tiles but instead of using a word value to store each tile index, it stores the lower bytes continuously in memory (for $4000 bytes) and then the subsequent $4000 bytes include the final bit. This option combines the values by combining the 2 bytes.
Any other custom hacks can be added as they are discovered!
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