Prophet 600 filter test.
First sample pair: original Z80 firmware (7 bit)
Second sample pair: AVR 8 bit ADC
Third sample pair: AVR 10 bit ADC
Awesome.
AVR 10 bit ADC filter opens, pauses, then closes
AVR 8 bit ADC filter opens, pauses, then closes
Z80 firmware. Filter opens and closes, then repeats