Shamus wrote:I am having trouble with the NeoGeo sound which I grab as analog audio from GPIO 1 and feed into the audio jack of my monitor. It is hardly hearable and seems distorted. No problems here with the other cores, though. Apart from this, fantastic work!
you can't use GPIO pin directly for analog audio as it's digital output. You need to use sigma-delta DAC (same as on I/O board).