C64 Hardware - Dual SID solutions - reasons, how it works, possible solutions

It is long and it is very techie but I hope I provide an in-depth view on the topic of adding a second SID to your C64. Why it makes sense, how it works, what solution may fit best. Here's a little time table: 00:20 - Introduction 03:15 - Presentation of different solutions 16:10 - Reasons for a 2nd SID - Examples 25:35 - Installation example of a Mixsid on a 469 board 27:20 - Second example of a Mixsid on a 469 board - different approach 30:13 - How does it work - background 35:30 - How does it work - addresses 40:35 - How does it work - a look at real data (oscilloscope, logic analyser) 52:44 - Summary 54:22 - Example of 3 SIDs playing on a real C64 - Tree Angel Demo Info about the FPGASID: http://www.fpgasid.de/home Ordering of the FPGASID: https://webstore.kryoflux.com/catalog... Info and ordering of the Ultimate64: https://ultimate64.com/Ultimate-64 Info about Mixsid: http://henning-liebenau.de/mixsid/ Info and ordering Reloaded MK2: https://icomp.de/shop-icomp/de/produc... Info about Modulator Mod (German) Modulator Mod: https://www.forum64.de/index.php?thre... Info and ordering of Mssiah https://www.mssiah.com/ Info and ordering of Sid2Sid board: https://www.mssiah.com/features.php#s... The Tree Angel: https://csdb.dk/release/?id=132168 International Karate Ultimate: https://csdb.dk/release/?id=160800 Spaceman Splorf: http://pondsoft.uk/splorf.html Blade Runner Main Theme Demo: https://csdb.dk/release/?id=138582 Singularity: https://csdb.dk/release/?id=135891 Sidplay64: https://csdb.dk/release/?id=161475 ________________________________________________________________ Follow me on Twitter @kieferkn   / kieferkn   Support me on Patreon:   / kieferknistern   Support me on Ko-Fi: https://ko-fi.com/c64customs Thank you very much for subscribing, joining, liking, providing feedback or supporting me :) _________________________________________________________________________________________