SID replacement board based on the design by Swinkel. For more information visit http://www.swinkels.tvtom.pl/swinsid/ and https://www.forum64.de/index.php?thread/36481-swinsid-atmega88/.
**WIP!** The circuit has been successfully tested on a breadboard, firmware exists. Will update here with all source codes when it's fully working.
This is my version of an USB SID adapter.
- plug in a original MOS8580 SID chip
- access it from the microcontroller
- interface with USB
The SID is directly connected to port B of the microcontroller, so one register write is sufficient. The DC boo...