hi
i’m in the final part of my Sid works (2 sids with CS step C).
My 2 sids was working perfectly when i realised the main part of the project.
But now, after i got my control surface working well, my master sid don’t give any sound ! More, my second sid works, but only via the “link”, if i play on the chanel defined (2) it doesn’t work… And there is an hudge noise (like psu probs, but strange)
I checked my wiring, my Sid app, i changed the 2 74HC595, everything seem to be ok…
any idea ? ;D
ok, i checked my slave.asm and now my second sid respond to the good chanel.
But the master one (i checked and reuploaded the main file) don’t sound at all… i think maybe my SID chip is dead 
but how can i be sure ?
i’ll try to intervert the 2 sid chips, but i don’t want to kill my workin’ one…
help :-\
problem solved:
i had to drill bigger hole for the screws and i think drilling vibrations have created some ‘micro-cuts’ in my solders,
i had to “resold” every pins of my PCB
hope my probs could help ;D
anyway thanks to TK 
Great that some problems get solved even if nobody answers
Best Regards, Thorsten.