Motocross Maniacs/Notes

Motocross Maniacs
Internal Name	xxx
Region Code	xxx
Type	Grayscale Game
SGB Support	xxx
Cartridge Type	xxx
License Code	xxx
ROM Size	xxx
ROM Checksum	xxx
SRAM Size	xxx
Header Checksum	xxx

Level data

General idea

Track definitions

A track is simply a sequence of objects, such as ramps, bumps, etc.
Below is the level 1 track: floor, small triangular ramp, floor, etc.
 

In the ROM data, a track is a sequence of 3-byte words YY XX ZZ:
 * ZZ = objectID
 * YY XX = coordinates from top left of the level
Below is level 1 data, with each 3-byte word highlighted.
 
The first floor object (ID=x0F) is at (x00,x00), the second small triangular ramp object (ID=x0E) is at (x0A,x01), etc.

Object definitions

An object is an array of metatiles, where each metatile is itself a 2x2 array of regular 8x8px tiles.
Below is a small triangular ramp object: it's made of 4 metatiles (each in a different color), and each metatile is made of 4 tiles.
  
In the ROM data, a track object is a sequence of bytes XX YY AA BB....
 * XX YY define the metatile array's dimensions, XX rows, YY columns.
 * AA BB... are the metatileIDs that will fill the array, one line at a time.
Below are the first two objects of level 1: a floor object, followed by a small triangular ramp object.
 
 * The floor object is a row of x0A metatiles with ID x09.
 * The small triangular ramp object is a 2x2 array of metatiles x0A, x0B, xC and x0D.