moxi Posted July 20, 2006 Report Share Posted July 20, 2006 http://www.prophet64.com/http://www.prophet64.com/sid2sid.phpdon't know if that could be usefull (maybe the sid to sid pcb is suitable for MIDIbox SID?.... Quote Link to comment Share on other sites More sharing options...
TK. Posted July 20, 2006 Report Share Posted July 20, 2006 My thoughts: building a dedicated PCB for mounting two SIDs is much more error prone than building two MBHP_SID modules, because you will have more than 15..16 (or so) connections to the IC socket + an additional CS signal.Instead, two MBHP_SID modules are more compact, and you can stack them ("doubledecker") in order to save space in the case (it works, I already tried this in my C64 case to estimate, if I can build 8 SIDs into the case, or if I need to design a new PCB). Note that the second module doesn't need to be populated completely (the 12V/9V circuit can be used for both, or for all SID in the case modules). So, you would even don't save money when building an 2*SID adapter instead of using an additional MBHP_SID module, it would only increase the propability for loose contacts.Best Regards, Thorsten. Quote Link to comment Share on other sites More sharing options...
Jaicen Posted July 21, 2006 Report Share Posted July 21, 2006 Am I right in thinking that the up-coming MBSID V2 will support two SIDS per core in a similar fashion to the SID2SID? Ie, using the CS pin?? That would save a whole lot (well, not that much ::) ) of components (ie, no second core!). Quote Link to comment Share on other sites More sharing options...
stryd_one Posted July 21, 2006 Report Share Posted July 21, 2006 yep :) Quote Link to comment Share on other sites More sharing options...
Wilba Posted July 22, 2006 Report Share Posted July 22, 2006 I recently realised while designing a new PCB for MBSID v2, that since each SID module in a stereo pair will have common data shifted in from the one Core, and only the separate CS pins used to set SID registers on each SID differently, then you can use a common pair of shift registers for two SIDs. This reduces the amount of PCB space a lot... in my current design I have the two shift registers underneath the two SIDs (in perpendicular orientation) and a sort of common bus between the two SIDs. Looks pretty cool ;D Quote Link to comment Share on other sites More sharing options...
Jaicen Posted July 22, 2006 Report Share Posted July 22, 2006 Very clever indeed! I'm looking forward to seeing it released! Quote Link to comment Share on other sites More sharing options...
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