The game's board in C follows the behavior and tables of these files of MAME 0.289
(https://github.com/mamedev/mame), each under the BSD 3-Clause License below:

- src/mame/konami/simpsons.cpp: the board of The Simpsons (its memory map, banks, inputs and interrupts,
  the sprite DMA, the EEPROM's port, its sound board, the tile and sprite callbacks, the palette and the
  layers' order); copyright Ernesto Corvi.
- src/mame/konami/k052109.cpp and k053251.cpp: the K052109's tile layers and the K053251's priorities and
  colour bases; copyright Fabio Priuli, Acho A. Tang, R. Belmont.
- src/mame/konami/k053246_k053247_k055673.cpp and konami_helper.cpp: the K053246/K053247's sprites;
  copyright David Haywood.
- src/devices/sound/k053260.cpp: the K053260; copyright Ernesto Corvi, Alex W. Jackson.
- src/devices/machine/eepromser.cpp and eeprom.cpp: the ER5911's serial interface and its timing;
  copyright Aaron Giles.

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