Reply 240 of 257, by ElBrunzy
I feel so silly, I forgot what was the RP2A03 and a search lead me to believe it was a soundcard like the opl2ltp with an arduino-like device. I hope you forgive me, I know very little about the NES. I've read about the DPCM and it's usage. I see it does not affect the few music I like to listen with your player (ninja gaiden, castlevania and super mario bros). I did test the ghostbuster speech and it was effectively silent. I'm not sure if I would bother implementing that either. I found some SAA1099 technical manual, you must have considered using one's SAA1099 for the noise channel and maybe playing with register 20/21 of the second SAA1090 to emulate the DPCM? Reading the documentation of both chips made me realize your players if certainly most complex than just remapping the chip data pinout and feeding it the vgm stream as I originally thought so.
As I keep an history of your versions I could compare the music I know from the NES with player 1.27 and 1.28 and I cannot pretend I could notice any difference.