A silly question regarding mod tracker performace, since I never coded this myself so I don't know how exactly it works:
I know it needed at least 286/12 to just "barely" play some 16kHz mods via lpt. How can A8 (or even worse - 1Mhz C64) - which are (I roughly assume) about 30-50 times slower - play 8bit/11kHz over Covox or (4bit) even stock Pokey? Ok, it does not have to mix samples in one channel in sw, but that's just three adds per sample value (providing they were 6 bit most) no?