Deutsch 
English
Deutsch English15 presets. 2 custom slots. 8 bytes each. Retro synth perfection.
Just extracted and mapped the instrument bank from the classic (OPLL) FM synth chip. 🎹 Ym2413 Instruments.bin
Ym2413 Instruments.bin contains the 15 preset + 2 custom instrument parameters used in MSX, Mega Drive (FM sound mode), and arcade classics. 15 presets
#YM2413 #OPLL #ChipMusic #ReverseEngineering #FMArchives Subject: Inside Ym2413 Instruments.bin – Understanding the OPLL Sound Bank Mega Drive (FM sound mode)
🔧 Format insight: Each instrument entry is 8 bytes — carrier/modulator envelope, feedback, FM depth, and more.