[XCSSA] Tim, are you going to the meeting on Monday 18th ?

Wed Aug 13 08:13:27 CDT 2008

I believe the R3's still use the same caps and voltage as the 6581 so  
I can bring my MidiBox into the meeting no problem. If I can find a  
patch that is a good all around test then I should be able to use my  
laptop to fire it off. I think the bassline patches should do nicely  
and, this time around, they should actually work :) Of course, if I  
can't get that together, I I'd be happy to pick them up and bring them  
back next meeting. Actually, on the chance I cannot make the meeting,  
you can give them to Tweeks and he can bring them to be at work. I  
*should* be there, but this month is so busy with other things I can't  
keep track of what things are when anymore :)

Are you building your own sound card? You may be able to get ideas  
from Hard-SID, or may be able to get one of their older sound cards  
off eBay or something if you don't want to build your own (but, then  
again, what fun would that be? :)

On an aside, if your main goal is to play old C64 SIDs, you could  
still build a tiny MidiBox SID and simply load it with the SID player  
(it emulates the SID-Station). You can then use a program on Windows  
(I *think* there is a Linux version but am not sure) to playback SIDs.  
The program understands the common SID format that the High Voltage  
SID Collection uses. It works well, except digital in doesn't work (so  
you can't hear some of the sounds).

Checking out those CDs would be awesome too! I don't have any of  
myself, but I get quite a few from 'remix.kwed.org'. It's worth  
checking out if you haven't yet.

Tim

On Aug 12, 2008, at 10:17 PM, X-otic Computer Systems of San Antonio  
wrote:

> I just checked my SIDs and they are both 6581...
> One is 6581 and the other one is 6581 R3 if that makes any difference.
>
> I'm not building a MidiBox but I'm planning of making a "sound card"  
> for
> my 6502 project with the two SIDs.
> However before I start building it would be nice to know if the SIDs
> still work... ;-)
> But it's no hurry so bring them home, test them and bring them back to
> the next meeting or so...
>
> I'm glad you got your order in, you'll have to make another demo when
> everything is finished.
> Or record a CD... ;-)
> Speaking of CDs, I have two CDs with remixes of C=64 tunes somewhere,
> I'll bring them as well...
>
> /Fredrik
>
>> Hi Fredrik!
>>
>> I'm not 100% sure yet but I do plan on making the meeting. I was  
>> going
>> to say I can bring my MidiBox and test the chips there but the only
>> thing I can test is a testtone without a keyboard and/or computer. I
>> may be able to use some of the MidiBox apps to run a test on,  
>> however.
>> I'll have to look. Only catch is I only currently have parts for the
>> 6581 SIDs. I have parts in the mail for the 8580/6582a's but I don't
>> think I'll have the boards in or ready by then.
>>
>> Either way, I don't mind testing them. I can mail them back to you as
>> well if you don't want to wait an entire month :)
>>
>> Also, I'm not sure if you plan on building a MidiBox but I may not
>> need my 6581 SID board if you want to use that in your MidiBox since
>> I''m likely going to use the 6582a's (my order came in woohoo!).
>> Technically, the board can be easily modified for running an
>> 8580/6582a but the socket uses rounded holes and I've had the chip
>> fall out before :P The kit (with the board, volt. reg and caps for
>> both SID variants) is $15 though. I'm also getting printed boards  
>> made
>> for a C64 PSU board and memory chip board. I can send you the schems
>> if you want (they are in the mail so I don't know if they work  
>> yet :).
>>
>> Tim
>>
>>
>>
>>
>> On Aug 12, 2008, at 9:44 PM, X-otic Computer Systems of San Antonio
>> wrote:
>>
>>
>>> Tim,
>>> I got an empty C=64 case for your SID project...
>>> I also wonder if you could test my two SID chips?
>>> I'll bring them to you at the meeting and you can test them at home,
>>> just bring them back for the September meeting...
>>>
>>> /Fredrik
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>>>
>>>
>>
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>
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