Files:
- code/SoundSystem.asm, originally Driver/SoundSystem.asm
- constants/SoundSystem.def, originally Driver/SoundSystem.def
- constants/SoundSystem.inc, originally Driver/SoundSystem.inc
- constants/SoundSystemNotes.inc, originally Driver/SoundSystemNotes.inc
- code/jukebox.asm, originally Example/Example.asm
- data/jukebox-font.bin, originally Example/font.bin
The files listed above are originally from Bob Koon's SoundSystem Driver. It is licensed under the MIT License. Note, however, that SoundSystem.asm has been modified from the original to work better with Rhythm Land, and SoundSystem.def contains driver configuration specifically for Rhythm Land. jukebox.asm has also been modified to use in the game.
Files:
- code/vwf.asm, originally vwf.asm
- tools/make_font.py, originally make_font.py
The files listed above are from Eldred Habert's gb-vwf text engine. It is licensed under the MIT License.
Found in code/rating.asm. From Libbet's
src/bcd.z80, originally called pctdigit.
Original code from Damian Yerrick's Libbet and the Magic Floor. It is licensed under the zlib License.
Found in code/utils.asm. From µCity's
source/engine/utils.asm, originally called mul_u8u8u16.
Original code from Antonio Niño Díaz's µCity. It is licensed under version 3 of the GNU General Public License.