Config file format
Total: 148 bytes

* File header: 32 bytes
Contains the control string "DOUKUTSU20041206" followed with \0s to fill the 32 bytes.

* Font name: 64 bytes
A null-terminated string containing the name of the font used in the game (Linux version ignores this)

* "move button mode": 4 bytes
Either 0 or 1.

* "attack button mode": 4 bytes
Either 0 or 1

* "ok button mode": 4 bytes
Either 0 or 1

* "display mode": 4 bytes
Integer between 0 and 4
0: Fullscreen 16 bit
1: Windowed 320x240
2: Windowed 640x480
3: Fullscreen 24 bit
4: Fullscreen 32 bit

* "use gamepad": 4 bytes
Either 0 or 1

* "gamepad buttons": 8 * 4 = 32 bytes
8 Integers between 1 and 6
Each integer represents a button action for one of the gamepad's buttons. The first integer is the action for the first button of the controller and so on.
1: Jump
2: Attack
3: Weapon +
4: Weapon -
5: Map
6: Item