itch.io

this is made to be used with the opl3/opl2 sound chips which are way more capable than the famicom chips, on the opl3 for example you have up to 22 simultaneous voices and stereo output and all of this can be played back also on real hardware like the sound blaster 16 sound cards which featured this chi

Man that could have been answered by actually reading the page and seeing that it's for a completely different sound chip... A better question would have been how does it compare to Deflemask...