Note: This coordinate system seems to be a remnant of a removed feature for Mario's cap location. The Course ID specified is used for misc flag 0x09:0. When Mario is blown away in Snowman's Land, the coordinates of his hat is saved here, but are never used. Mario's cap is always with the snowman in that level. Likewise, in Tall Tall Mountain, a cloud can blow Mario's cap away, sending it into the abyss. The coordinates are saved in this case as well. Upon re-entering the stage, the monkey will have his cap.

Note: The misc flag bytes are listed in reverse (0x0B to 0x09), to highlight the order of bits. The short description text would be assuming the bit is ON.

Lost cap: bit 0x09:0 relies on the Level ID contained in the coordinate chunk. If multiple "lost cap" bits are enabled, Mario will have to collect his cap in each location before it will return.

Note:
For saving stars and cannons in levels ("Level flags"), there are 26 bytes that follow the same format. Rather than list out the names of each star here, I will describe the general format, and provide a list of each level and its offset.

There are only 120 stars in the game, but the data format allows for up to 182 stars (7*26). This is made possible because each level is assigned a byte that can store up to 7 individual stars, but not all levels use them all. The last byte does not store any stars normally, however some ROM hacks like Star Road can use it.

Bit 0: Star 1
Bit 1: Star 2
Bit 2: Star 3
Bit 3: Star 4
Bit 4: Star 5
Bit 5: Star 6
Bit 6: Star 7
Bit 7: Cannon unlocked for previous level

Strangely, bit 7 doesn't affect the level that the byte references like the stars do. Instead it affects the previous level in the list. For example, if bit 7 bit is set on the "Whomp's Fortress" byte, the cannon is then activated in Bob-omb Battlefield. It is possible to activate cannons on levels that originally had no cannon. The cannon object can be added through a ROM hack, however not all levels can have a cannon hacked in. Specifically it is not possible in The Secret Aquarium, and anywhere inside the interior castle or the Bowser boss battle maps. I have no clue about the "The End" screen with a cake painting. I do know that a working cannon can be activated on the outside of the castle (courtyard included).

The high scores are simply unsigned 8-bit integers (0-255).