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Author Topic: Looking to purchase bulk SID chips!  (Read 3230 times)

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Offline downix

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Re: Looking to purchase bulk SID chips!
« on: November 18, 2003, 03:32:13 PM »
@bloodline

Fairly easily.  Could even do it in CPLD.
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Offline downix

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Re: Looking to purchase bulk SID chips!
« Reply #1 on: November 18, 2003, 03:39:07 PM »
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Offline downix

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Re: Looking to purchase bulk SID chips!
« Reply #2 on: November 18, 2003, 03:59:54 PM »
@bloodline

From what I can tell, the only issue with cloning a SID is the analog filter, namely SID's filter is a hack put on the last moment.

If you can opt for an external filter, wouldn't take long to clone SID at all.  
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Re: Looking to purchase bulk SID chips!
« Reply #3 on: November 18, 2003, 05:30:35 PM »
@bloodline

It is:

3 tone occilators
3 Envelope Generators
3 Amplitude Modulators
4 mixers
1 Filter
A volume control
and the analog converter.

yes, a simple breadboard could do it.
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Offline downix

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Re: Looking to purchase bulk SID chips!
« Reply #4 on: November 18, 2003, 05:41:37 PM »
@bloodline

Yes:
triangle
Pulse
sawtooth
ring
and noise

A good page for detail on the SID can be found here
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