[sdiy] TOG Substitute - CPLD

[Scott Gravenhorst]

See, we love ya, Tim!  Got it covered.  I don't know how much
work that entails (and sorry to hear about the loss of the
files, I hate it when that happens), but it seems that there
is at least some passive interest.  While I do have an
MK50240, I have only the one, I don't know if it still works
even (been in a drawer for years), but I do want to play with
a TOG synth one day again.  I had a 4 voice synth working
with it years ago, powered by a ONE MEGAHERTZ CPU (6800).

Curious, how expensive are the CPLD devices you used?  and
how expensive is the programmer?  Is a CPLD like a PROM or
does it need to be loaded with data each time it's powered up?

Tim Ressel <madhun2001 at yahoo.com> wrote:
>Yo,
>
>Hey, its Me!!  I'm still around. Sorry for the website
>snafu. Here is the new URL:
>
>http://home.comcast.net/~t.ressel/synthdiy.html
>
>Thanks for bringing it to my attention.  
>
>As for the TOG effort, the status is 'Not Quite Ready
>Yet'. The CPLDs had a problem, then by machine got
>funny and I futz-fingered during the fix and lost the
>files for the TOG development. If there is interest I
>can get back on it and rebuild the TOG files.
>
>--Tim Ressel
>
>
>
>
>--- Scott Gravenhorst <music.maker at gte.net> wrote:
>> Thanks to my Synth-DIY website archive, I found out
>> who did
>> this.  It was Tim Ressel, but unfortunately, the
>> site
>> http://home.attbi.com/~t.ressel/ is gone.  Wayback
>> doesn't
>> seem to know anything about it either.  Is Tim still
>> around
>> here?  Did I miss his web site change announcement? 
>> 
>> 
>> My archive shows that he had done this with a CPLD,
>> but the
>> list item on his Synth-DIY page has no link to a
>> page for
>> details about this.  Content searches of the files
>> in that
>> directory come up empty.
>> 
>>
>=========================================================
>>  
>> - Where merit is not rewarded, excellence fades.
>> - Hydrogen is pointless without solar.
>> - What good are laws that only lawyers understand?
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>> 
>> -- Scott Gravenhorst | LegoManiac / Lego Trains /
>> RIS 1.5
>> -- Linux Rex         | RedWebMail by RedStarWare
>> -- FatMan: home1.gte.net/res0658s/FatMan/
>> -- NonFatMan: home1.gte.net/res0658s/electronics/
>> -- Master of Arcane and Hidden Knowledge.
>> 
>
>
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=========================================================  
- Where merit is not rewarded, excellence fades.
- Hydrogen is pointless without solar.
- What good are laws that only lawyers understand?
- The media's credibility should always be questioned.
- Governments do nothing well, save collect taxes.

-- Scott Gravenhorst | LegoManiac / Lego Trains / RIS 1.5
-- Linux Rex         | RedWebMail by RedStarWare
-- FatMan: home1.gte.net/res0658s/FatMan/
-- NonFatMan: home1.gte.net/res0658s/electronics/
-- Master of Arcane and Hidden Knowledge.