Relevant datasheets: [[Media:YMF288.pdf|OPN3 (ymf288) (Japanese)]] and [[Media:YM2608J Translated.pdf|OPNA (ym2608) (English)]]
Also Although their names are similar, be aware that despite the naming similarities, the OPN3 and OPL3 soundchips are soundchip is entirely incompatible with each otherthe OPL3 soundchip (such as the one found in the [[Willy]] OPL3 soundcard).
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