Z80 home brew with FDC

Ethan Dicks ethan.dicks at usap.gov
Mon Sep 22 14:24:51 CDT 2008


On Mon, Sep 22, 2008 at 12:56:56PM -0400, Roy J. Tellason wrote:
> On Monday 22 September 2008 10:12, dwight elvey wrote:
> > Hi
> >  Its a shame that the more easily available 555 chips don't
> > work well into the Megaherts. They are easy to get and a
> > pair of them would have made a reasonable separator.
> >  I have a schematic for the separator used on my Polymorphic
> > computer. It uses another hard to get VCO chip. It uses
> > a MC4024, an external charge pump, 96L02 oneshot and
> > a few more TTLs.
> > Dwight
> 
> I may actually have some of those,  they were used in certain versions of the 
> c64 along with the 74LS629...

Where was there a 96L02 in the C-64?

As it happens, I do have quite a few 96L02s lying around.  I was just
wondering what they were good for.  Now I know.

-ethan
 
-- 
Ethan Dicks, A-333-S     Current South Pole Weather at 22-Sep-2008 at 19:20 Z
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Ethan.Dicks at usap.gov            http://penguincentral.com/penguincentral.html



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