Update: new version 2.1 uploaded with some bug fixes and a new album (Space Harrier).
It has been 2 years since the Japanese user Mstz80ax, well-known for his amazing ZANAC EX OPLL soundtrack composed for the same game patch, officially introduced his own player called X-PLA and ADX music file format.
Over the past year, Mstz80ax has been experimenting with new techniques such as the addition of PCM samples, stereo FM and double PSG in order to improve the sound capabilities. You can see some nice examples of these implementations with Nausicaä of the Valley of the Wind, Metroid or Thunder Cross compositions.
It is worth mentioning that the development of this powered ADX file format has been performed with openMSX thanks to its available performances and flexibility. In case we would like to play these songs in real hardware, taking as a reference an MSX computer with built-in FM sound source, and according to the Mstz80ax conclusions we should make significant changes at the hardware level. First of all splitting the PSG and internal FM outputs, also the PCM channel in MSX turbo R computers (the audio fix is well recommended for these computers). After that, these three sound sources should be taken out separately so the sound balance can be adjusted externally with a mixer. The sound output of the built-in FM should be on the left channel and the PSG and PCM sound sources should be on the center channel. Finally the external FM-PAC audio output should be on the right channel. Please check the picture attached from openMSX for a recommended sound balance.
Regarding PSG sound, the tests were done with MegaFlashROM SCC + SD implementation.
Thanks to Mstz80ax this new player plus 28 new songs has just been uploaded to our database for your enjoyment. English manual included!
Relevant link: Quick ADX Player download
Relevant link: Mstz80ax on Twitter
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